TDK-Lambda QM Series Supplement

QM range App Note, document number 260283, rev 15 Page 1 of 48
QM
AC/DC Modular Power Supply Series
APPLICATION NOTES

QM range App Note, document number 260283, rev 15 Page 2 of 48
Contents
Contents ..............................................................................................................................................................2
1. INPUT ..............................................................................................................................................................5
AC Input Line Requirements ...............................................................................................................................5
AC Input Connections..........................................................................................................................................5
2. HIPOT TESTING .............................................................................................................................................6
Isolation testing....................................................................................................................................................6
3. STANDBY / SIGNALS OPTION.......................................................................................................................6
Option Code E5L, E5H, T5L, T5H.......................................................................................................................6
Standby 1.........................................................................................................................................................6
Standby 2 (ExH and TxH options only)............................................................................................................6
PSU on/off........................................................................................................................................................6
AC Fail .............................................................................................................................................................7
Option Code P5H.................................................................................................................................................7
Standby............................................................................................................................................................7
The Fan Fail signal ..........................................................................................................................................7
Signal ratings.......................................................................................................................................................8
Connector Pin-out for standby / signals options..................................................................................................8
Molex mating connectors and pins......................................................................................................................8
4. DC OUTPUTS..................................................................................................................................................9
DH Modules.........................................................................................................................................................9
Signals .............................................................................................................................................................9
Signal ratings .................................................................................................................................................10
Connector pin-out for signals.........................................................................................................................10
Molex mating connectors and pins ................................................................................................................10
DM Modules.......................................................................................................................................................11
Signals ...........................................................................................................................................................11
Signal ratings .................................................................................................................................................12
Connector pin-out for signals.........................................................................................................................13
Molex mating connectors and pins ................................................................................................................13
SA Modules .......................................................................................................................................................14
Connector pin-out for signals (on 5V modules only)......................................................................................14
Molex mating connectors and pins ................................................................................................................14
SB Modules .......................................................................................................................................................15
Signals ...........................................................................................................................................................15
Signal ratings .................................................................................................................................................16
Connector pin-out for signals.........................................................................................................................16
Molex mating connectors and pins ................................................................................................................16
SC Modules.......................................................................................................................................................17
Signals ...........................................................................................................................................................17
Signal ratings .................................................................................................................................................18
Connector pin-out for signals.........................................................................................................................18
Molex mating connectors and pins ................................................................................................................18
YB Modules .......................................................................................................................................................19
Signals ...........................................................................................................................................................19
Signal ratings .................................................................................................................................................20
Connector pin-out for signals.........................................................................................................................20
Molex mating connectors and pins ................................................................................................................20
YC Modules.......................................................................................................................................................21
Signals ...........................................................................................................................................................21
Signal ratings .................................................................................................................................................22
Connector pin-out for signals.........................................................................................................................22
Molex mating connectors and pins ................................................................................................................22
YF Modules........................................................................................................................................................23
Signals ...........................................................................................................................................................23
Signal ratings .................................................................................................................................................24
Connector pin-out for signals.........................................................................................................................24
Molex mating connectors and pins ................................................................................................................24
ZC Modules .......................................................................................................................................................25
Signals ...........................................................................................................................................................25

QM range App Note, document number 260283, rev 15 Page 3 of 48
Signal ratings .................................................................................................................................................26
Connector pin-out for signals.........................................................................................................................26
Molex mating connectors and pins ................................................................................................................26
ZD Modules .......................................................................................................................................................27
Signals ...........................................................................................................................................................27
Signal ratings .................................................................................................................................................28
Connector pin-out for signals.........................................................................................................................28
Molex mating connectors and pins ................................................................................................................28
ZF Modules........................................................................................................................................................29
Signals ...........................................................................................................................................................29
Signal ratings .................................................................................................................................................30
Connector pin-out for signals.........................................................................................................................30
Molex mating connectors and pins ................................................................................................................30
5. EFFICIENCY..................................................................................................................................................31
6. POWER SUPPLY OPERATION....................................................................................................................31
No Load Operation ............................................................................................................................................31
Remote Sense...................................................................................................................................................31
Capacitive Load Operation................................................................................................................................32
Transient Load Operation –DM Module ...........................................................................................................32
Series Connection .............................................................................................................................................32
Parallel Connection ...........................................................................................................................................32
7. OUTPUT CHARACTERISTICS.....................................................................................................................32
Ripple and Noise ...............................................................................................................................................32
Power Supply Timing.........................................................................................................................................33
POWER SUPPLY PROTECTION.....................................................................................................................34
8. COOLING REQUIREMENTS ........................................................................................................................34
9. RELIABILITY..................................................................................................................................................35
MTBF.................................................................................................................................................................35
Electrolytic capacitor life calculations................................................................................................................36
10. EMC PERFORMANCE ..............................................................................................................................37
Conducted and Radiated Emissions Result for a QM7.....................................................................................37
Installation for Optimum EMC Performance......................................................................................................38
Mounting ........................................................................................................................................................38
EMC Susceptibility.........................................................................................................................................38
Cables............................................................................................................................................................38
PMBus™ Option ............................................................................................................................................38
Connecting between boxes............................................................................................................................38
Earth star point...............................................................................................................................................39
ESD Protection ..............................................................................................................................................39
Switching frequencies........................................................................................................................................39
11. MOUNTING................................................................................................................................................39
12. WEIGHT.....................................................................................................................................................40
13. AUDIBLE NOISE........................................................................................................................................40
14. PMBus™ ....................................................................................................................................................41
Overview of the PMBus™ Interface ..................................................................................................................41
Hardware Interface............................................................................................................................................41
Supported PMBus™ Commands ......................................................................................................................43
Controlling the Module Outputs of the Unit .......................................................................................................43
Modes of Operation .......................................................................................................................................43
On/Off Configuration –Command 02h ..........................................................................................................44
Operation –Command 01h............................................................................................................................44
Control Line Operation...................................................................................................................................44
Reading Status from the Unit - Errors and Warnings........................................................................................45
Status Byte –Command 78h.........................................................................................................................45
STATUS_FANS_1_2 Status Byte –Command 81h......................................................................................45
Clear Faults –Command 03h........................................................................................................................45
Reading Data from the Unit...............................................................................................................................45
Read Temperature –Command 8Dh ............................................................................................................45
Read Fan speed 1 –Command 90h..............................................................................................................45
Read Fan speed 2 –Command 91h..............................................................................................................46
Manufacturer ID –Command 99h .................................................................................................................46
Model ID –Command 9Ah.............................................................................................................................46

QM range App Note, document number 260283, rev 15 Page 4 of 48
Manufacture Date –Command 9Dh..............................................................................................................46
Serial Number –Command 9Eh....................................................................................................................46
Runtime –Command C4h .............................................................................................................................46
Power Cycle Count –Command C5h............................................................................................................46
S/W Version Number –Command C6h.........................................................................................................46
Miscellaneous Commands ................................................................................................................................46
Capability –Command 19h............................................................................................................................46
PMBus™ Revision – Command 98h .............................................................................................................47
LINEAR11 Data Format.....................................................................................................................................47
Recommended Operation .................................................................................................................................47
General Notes....................................................................................................................................................47
Recommended PMBus™ Interface Adapter .....................................................................................................48
References ........................................................................................................................................................48

QM range App Note, document number 260283, rev 15 Page 5 of 48
1. INPUT
AC Input Line Requirements
Please see the datasheet for the specification of input line requirements (including Input voltage range, input
frequency, input harmonics, input current and leakage current).
The power supply will automatically recover from AC power loss and start-up with maximum loading at 90VAC.
Repetitive ON/OFF cycling of the AC input voltage will not damage the power supply or cause the input fuse to
blow.
Input Fuses
One ('E' input fuse option) or two ('D' input fuse option) internal fuses are fitted. The fuses are not user
serviceable and are fast acting rated 25A / 250Vac HBC types.
Input Undervoltage
The power supply is protected against the application of an input voltage below the minimum specified so that it
shall not cause damage to the power supply.
AC Input Connections
QM with factory fitted fan –F or R type cooling
To access the AC terminal block remove terminal block
cover by pressing both tabs and pulling forward.
Perform the reverse operation to re-fit.
QM with customer supplied airflow –C type cooling
No fan or terminal block cover is fitted with the customer
supplied air option

QM range App Note, document number 260283, rev 15 Page 6 of 48
2. HIPOT TESTING
Isolation testing
During the manufacturing process, all QM units are subjected to safety Hipot testing. If conducting these tests
on the end equipment, it is important to ensure that the high voltage is ramped up and down over a period of
greater than 1 second to ensure that no damage occurs to the unit under test.
3. STANDBY / SIGNALS OPTION
When fitted, the standby / signals option module is situated in the far right hand position of the QM chassis
(when looking at the output end of the power supply).
Option Code E5L, E5H, T5L, T5H
Standby 1
An isolated 5V 0.25A output and is always present provided AC is applied to the QM
Standby 2 (ExH and TxH options only)
An isolated output, the voltage and current selectable at the time of ordering. The output is always present
provided AC is applied to the QM.
PSU on/off
Is controlled through an isolated opto-coupler diode input. Passing a minimum of 1mA (10mA maximum)
through the opto diode will either “enable”(turn on) the QM power supply (fitted with Exx option), or “inhibit”
(turn off) the QM (fitted with Txx option). Note, when turned off, the internal cooling fans will not operate.
Connection method 1
Connection method 2
Standby / signals type
Switch
state
T5L, T5H,
T12H
E5L, E5H,
E12H
Open
PSU OFF
PSU ON
Closed
PSU ON
PSU OFF
Standby / signals type
Switch
state
T5L, T5H,
T12H
E5L, E5H,
E12H
Open
PSU ON
PSU OFF
Closed
PSU OFF
PSU ON
J1-1
J1-2
J1-3 5V Standby 1 positive
J1-4 5V Standby 1 negative
J1-5 On/off + (Anode)
J1-6 On/off –(Cathode)
J1-7
J1-8
J1-9
J1-10
2.7kΩ
J1-1
J1-2
J1-3 5V Standby 1 positive
J1-4 5V Standby 1 negative
J1-5 On/off + (Anode)
J1-6 On/off –(Cathode)
J1-7
J1-8
J1-9
J1-10
2.7kΩ

QM range App Note, document number 260283, rev 15 Page 7 of 48
AC Fail
An isolated opto-coupler transistor output. Pin 7 is the collector and pin 8 the emitter. This signal provides a
warning that the AC is not present (or out of range) and the outputs will be losing regulation after 5ms. The
transistor is “on” when the AC is good. It is recommended that the AC Fail is connected to the 5V standby 1
supply with a 5.1kΩseries resistor to limit the current.
Option Code P5H
Standby
An isolated 5V 2A output and is always present provided AC is applied to the QM.
The Fan Fail signal
Provided by an internal FET which is referenced to pin 12 of the option connector. Pin 4 is the FET drain (+)
and pin 12 the source (-). This signal provides a warning that the QM fan has stopped or the fan speed is
slowing and should be replaced. The FET will be on when the fan is running less than 50% of the expected fan
speed for the ambient temperature and “off” if the fan speed is above 50%. It is recommended that the Fan Fail
is connected to the 5V standby supply with a 5.1kΩseries resistor to limit the current.
J5-1 5V Standby positive
J5-2 5V Standby negative
J5-3
J5-4 Fan Fail positive
J5-5
J5-6
J5-7
J5-8
J5-9
J5-10
J5-11
J5-12 Fan Fail negative (GND)
5.1kΩ
Fan Fail Output
Low on Fail

QM range App Note, document number 260283, rev 15 Page 8 of 48
Signal ratings
AC fail signal
Signal type (internal to PSU)
Uncommitted optocoupler transistor
Vce max
30V
Ic max
1mA
Fan fail signal
Signal type (internal to PSU)
Open drain FET with 10R series resistor (referenced to Fan
fail negative output)
Vce max
30V
Ic max
10mA
PSU on/off signal
Signal type (internal to PSU)
Uncommitted optocoupler diode with 390R series resistor
Min LED current
1mA
Max LED current
10mA
Connector Pin-out for standby / signals options
Pin No.
E5L or T5L
E5H, T5H, E12H or T12H
E13.5H or T13.5H
P5H
1
No connection
Standby 2 +
Standby +
2
Standby 2 -
Standby -
3
Standby 1 +
No connection
4
Standby 1 -
Fan Fail
5
PSU on/off + (Anode)
Address 0*
6
PSU on/off –(Cathode)
Address 1*
7
AC Fail Collector
Address 2*
8
AC Fail Emitter
Address 3*
9
No connection
On/off logic 0
SCL –Clock*
10
On/off logic 1
SDA –Data*
11
Control line in*
12
GND
*Refer to the PMBus section for further information
Molex mating connectors and pins
(Contact Molex for other pin alternatives)
Description
Molex part
number
TDK-Lambda
part number
10 way Milli-Grid with locking ramp
51110-1060
12934
12 way Milli-Grid with locking ramp
51110-1260
200401
Crimp terminal, gold flash, female, supplied on a reel
50394-8051
12935
Crimp terminal, gold flash, female, supplied in a bag
50394-8400
Crimp terminal, tin plated, female, supplied on a reel
51087-8101

QM range App Note, document number 260283, rev 15 Page 9 of 48
4. DC OUTPUTS
DH Modules
The output voltages can be adjusted across the range shown in the datasheet by using
the potentiometer situated to the right of the signal connector. Turning the
potentiometer clockwise will increase both the output voltages.
Channel 2 tracks channel 1. The output voltage for V2 = V2max* x V1(actual set point) /
V1max*
* Maximum adjustment voltage as shown in the datasheet
For example:
Signals
The Module Good signal is an isolated (200V from CH1) opto-coupler transistor output. The maximum current
allowed through the transistor is 1mA. This signal provides an indication that CH1 is above 90% of the output
set voltage. The transistor is on when the module is “good”.
Module inhibit is an isolated opto-coupler diode input. Passing a minimum of 1mA through the diode will inhibit
(turn off) both outputs of the module.
V1
V1 max
V2 max
V2
12.5V
13.8V
13.8V
12.5V

QM range App Note, document number 260283, rev 15 Page 10 of 48
Signal ratings
Module good signal
Signal type (internal to PSU)
Uncommitted optocoupler transistor
Vce max
30V
Ic max
1mA
Module inhibit signal
Signal type (internal to PSU)
Uncommitted optocoupler diode with 390R series resistor
Min LED current
1mA
Max LED current
10mA
Connector pin-out for signals
Pin
Function
1
Do not connect
2
3
Module good collector
4
Module good emitter
5
Module inhibit anode
6
Module inhibit cathode
7
Do not connect
8
9
10
Molex mating connectors and pins
(Contact Molex for other pin alternatives)
Description
Molex part
number
TDK-Lambda
part number
10 way Milli-Grid with locking ramp
51110-1060
12934
Crimp terminal, gold flash, female, supplied on a reel
50394-8051
12935
Crimp terminal, gold flash, female, supplied in a bag
50394-8400
Crimp terminal, tin plated, female, supplied on a reel
51087-8101

QM range App Note, document number 260283, rev 15 Page 11 of 48
DM Modules
Channel 1 and 2 output voltages can be adjusted across the range shown in the
datasheet by using the potentiometer situated to the right of the signal connector.
Channel 1 potentiometer is the upper one, closest to the Channel 1 output
terminals. Turning the potentiometer clockwise increases the output voltage.
Remote sense for Channel 1 and 2 provides compensation for a maximum total
load cable drop of 0.5V for each output. The voltage at the output terminals must
be within the specified adjustment range. See the Remote Sense section in the
POWER SUPPLY OPERATION chapter for connection advice.
To improve the transient load performance, it is recommended that a 120µF, low
ESR, electrolytic capacitor is fitted across the output terminals.
To reduce susceptibility to Electrical Fast Transients, it is recommended that a
120µF, low ESR, electrolytic capacitor is fitted across the output terminals of
channel 2 of the 12/12DM module.
Signals
The CH1 and CH2 Good signals are isolated (200V from each output) opto-coupler transistor outputs. The
maximum current allowed through the transistor is 1mA. These signals provide an indication that each output is
above 90% of the output set voltage. The transistor is on when the output is “good”.
CH2 Good connection shown, use J1-7 & J1-8 for CH2 Good
Module inhibit is an isolated opto-coupler diode input. Passing a minimum of 1mA through the diode will inhibit
(turn off) both outputs of the module.

QM range App Note, document number 260283, rev 15 Page 12 of 48
CH2 inhibit is an isolated opto-coupler diode input. Passing a minimum of 1mA through the diode will inhibit
(turn off) only Channel 2 of the module.
Signal ratings
Ch1 good signal
Signal type (internal to PSU)
Uncommitted optocoupler transistor
Vce max
30V
Ic max
1mA
Ch2 good signal
Signal type (internal to PSU)
Uncommitted optocoupler transistor
Vce max
30V
Ic max
1mA
Module inhibit signal
Signal type (internal to PSU)
Uncommitted optocoupler diode with 390R series resistor
Min LED current
1mA
Max LED current
10mA
Ch2 inhibit signal
Signal type (internal to PSU)
Uncommitted optocoupler diode with 390R series resistor
Min LED current
1mA
Max LED current
10mA

QM range App Note, document number 260283, rev 15 Page 13 of 48
Connector pin-out for signals
Pin
Function
1
CH2 Sense +
2
CH2 Sense -
3
CH2 Inhibit + (Anode)
4
CH2 Inhibit + (Cathode)
5
CH2 Good Collector
6
CH2 Good Emitter
7
CH1 Good Collector
8
CH1 Good Emitter
9
Module Inhibit + (Anode)
10
Module Inhibit –(Cathode)
11
CH1 Sense +
12
CH1 Sense -
Molex mating connectors and pins
(Contact Molex for other pin alternatives)
Description
Molex part
number
TDK-Lambda
part number
12 way Milli-Grid with locking ramp
51110-1260
200401
Crimp terminal, gold flash, female, supplied on a reel
50394-8051
12935
Crimp terminal, gold flash, female, supplied in a bag
50394-8400
Crimp terminal, tin plated, female, supplied on a reel
51087-8101

QM range App Note, document number 260283, rev 15 Page 14 of 48
SA Modules
The output voltage is fixed and cannot be adjusted.
The remote sense (on 5V modules only) provides compensation for a
maximum total load cable drop of 0.5V for the output. See the Remote Sense
section in the POWER SUPPLY OPERATION chapter for connection advice.
Connector pin-out for signals (on 5V modules only)
Pin
Function
1
No connection
2
3
4
5
6
7
Remote Sense +
8
Remote Sense -
9
No connection
10
Molex mating connectors and pins
(Contact Molex for other pin alternatives)
Description
Molex part
number
TDK-Lambda
part number
10 way Milli-Grid with locking ramp
51110-1060
12934
Crimp terminal, gold flash, female, supplied on a reel
50394-8051
12935
Crimp terminal, gold flash, female, supplied in a bag
50394-8400
Crimp terminal, tin plated, female, supplied on a reel
51087-8101

QM range App Note, document number 260283, rev 15 Page 15 of 48
SB Modules
The output voltage can be adjusted across the range shown in the datasheet
by using the potentiometer situated to the right of the signal connector.
Turning the potentiometer clockwise increases the output voltage.
The remote sense provides compensation for a maximum total load cable
drop of 0.5V for the output. The voltage at the output terminals must be within
the specified adjustment range. See the Remote Sense section in the
POWER SUPPLY OPERATION chapter for connection advice.
Signals
The Module Good signal is an isolated (200V from the output) opto-coupler transistor output. The maximum
current allowed through the transistor is 1mA. This signal provides an indication that the output is above 90% of
the output set voltage. The transistor is on when the output is “good”
Module inhibit is an isolated opto-coupler diode input. Passing a minimum of 1mA through the diode will inhibit
(turn off) the output of the module.

QM range App Note, document number 260283, rev 15 Page 16 of 48
Signal ratings
Module good signal
Signal type (internal to PSU)
Uncommitted optocoupler transistor
Vce max
30V
Ic max
1mA
Module inhibit signal
Signal type (internal to PSU)
Uncommitted optocoupler diode with 390R series resistor
Min LED current
1mA
Max LED current
10mA
Connector pin-out for signals
Pin
Function
1
No connection
2
3
Module Good Collector
4
Module Good Emitter
5
Module Inhibit + (Anode)
6
Module Inhibit - (Cathode)
7
Remote Sense +
8
Remote Sense -
9
No connection
10
Molex mating connectors and pins
(Contact Molex for other pin alternatives)
Description
Molex part
number
TDK-Lambda
part number
10 way Milli-Grid with locking ramp
51110-1060
12934
Crimp terminal, gold flash, female, supplied on a reel
50394-8051
12935
Crimp terminal, gold flash, female, supplied in a bag
50394-8400
Crimp terminal, tin plated, female, supplied on a reel
51087-8101

QM range App Note, document number 260283, rev 15 Page 17 of 48
SC Modules
The output voltage can be adjusted across the range shown in the
datasheet by using the potentiometer situated to the right of the signal
connector. Turning the potentiometer clockwise increases the output
voltage.
The remote sense provides compensation for a maximum total load cable
drop of 0.5V for the output. The voltage at the output terminals must be
within the specified adjustment range. See the Remote Sense section in
the POWER SUPPLY OPERATION chapter for connection advice.
Signals
The Module Good signal is an isolated (200V from the output) opto-coupler transistor output. The maximum
current allowed through the transistor is 1mA. This signal provides an indication that the output is above 90% of
the output set voltage. The transistor is on when the output is “good”.
Module inhibit is an isolated opto-coupler diode input. Passing a minimum of 1mA through the diode will inhibit
(turn off) the output of the module).

QM range App Note, document number 260283, rev 15 Page 18 of 48
Signal ratings
Module good signal
Signal type (internal to PSU)
Uncommitted optocoupler transistor
Vce max
30V
Ic max
1mA
Module inhibit signal
Signal type (internal to PSU)
Uncommitted optocoupler diode with 390R series resistor
Min LED current
1mA
Max LED current
10mA
Connector pin-out for signals
Pin
Function
1
No connection
2
3
Module Good Collector
4
Module Good Emitter
5
Module Inhibit + (Anode)
6
Module Inhibit - (Cathode)
7
Remote Sense +
8
Remote Sense -
9
No connection
10
Molex mating connectors and pins
(Contact Molex for other pin alternatives)
Description
Molex part
number
TDK-Lambda
part number
10 way Milli-Grid with locking ramp
51110-1060
12934
Crimp terminal, gold flash, female, supplied on a reel
50394-8051
12935
Crimp terminal, gold flash, female, supplied in a bag
50394-8400
Crimp terminal, tin plated, female, supplied on a reel
51087-8101

QM range App Note, document number 260283, rev 15 Page 19 of 48
YB Modules
The YB module consists of a DH module preconfigured with outputs connected in series.
The output voltage can be adjusted across the range shown in the datasheet by using the
potentiometer situated to the right of the signal connector. Turning the potentiometer clockwise
increases the output voltage.
Signals
The Module Good signal is an isolated (200V from the output) opto-coupler transistor outputs. The maximum
current allowed through the transistor is 1mA. This signal provides an indication that the output is above 90% of
the output set voltage. The transistor is on when the output is “good”.
Module inhibit is an isolated opto-coupler diode input. Passing a minimum of 1mA through the diode will inhibit
(turn off) the output of the module).

QM range App Note, document number 260283, rev 15 Page 20 of 48
Signal ratings
Module good signal
Signal type (internal to PSU)
Uncommitted optocoupler transistor
Vce max
30V
Ic max
1mA
Module inhibit signal
Signal type (internal to PSU)
Uncommitted optocoupler diode with 390R series resistor
Min LED current
1mA
Max LED current
10mA
Connector pin-out for signals
Pin
Function
1
No connection
2
3
Module Good Collector
4
Module Good Emitter
5
Module Inhibit + (Anode)
6
Module Inhibit - (Cathode)
7
No connection
8
9
10
Molex mating connectors and pins
(Contact Molex for other pin alternatives)
Description
Molex part
number
TDK-Lambda
part number
10 way Milli-Grid with locking ramp
51110-1060
12934
Crimp terminal, gold flash, female, supplied on a reel
50394-8051
12935
Crimp terminal, gold flash, female, supplied in a bag
50394-8400
Crimp terminal, tin plated, female, supplied on a reel
51087-8101