Huawei ADF10S48B User manual

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GLOBAL ENERGY EFFICIENCY SPECIALIST
Copyright © 2016 Huawei Technologies Co., Ltd. All Rights Reserved.
THIS DOCUMENT IS FOR INFORMATION PURPOSES ONLY AND DOES NOT CONSTITUTE A WARRANTY OF ANY KIND.
Description
Mechanical Features
Control Features
Protection Features
Operational Features
Full-Brick
AC-DC Converter 90–290 V AC Input 48 V DC Output 10.5 A Current Negative Logic
Safety Features
ADF10S48B
AC-DC Converter Technical Manual V1.1
The ADF10S48B is a new generation isolated
AC-DC converter that uses an industry standard
full-brick structure, featuring high efficiency and
power density with low output ripple and noise. It
operates over an input voltage range of 90 V AC
to 290 V AC, and provides the rated output voltage
of 48 V DC as well as the maximum output current
of 10.5 A.
Rated input voltage: 110/220 V AC
Output current: 0–10.5 A
Efficiency: 92.8% (48 V DC, 10.5 A)
Industry standard full-brick (L x W x H): 116.8
x 61.0 x 12.7 mm (4.60 x 2.40 x 0.50 in.)
Weight: 190 g
Remote On/Off
Remote sense
Output voltage trim
PMBus communication
Input undervoltage protection
Input overvoltage protection
Output overcurrent protection (self-recovery)
Output overvoltage protection (latch off)
Output short circuit protection (self-recovery)
Overtemperature protection (self-recovery)
TUV, UL, CE certification
UL60950-1, C22.2 NO. 60950-1, EN60950-1,
and IEC 60950-1 compliant
RoHS6 compliant
Applications
ADF10S48B
Servers/Storage equipment
Routers/Switches
Telecommunications equipment
Enterprise networks

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GLOBAL ENERGY EFFICIENCY SPECIALIST
Model Naming Convention
ADF10S48B
AC-DC Converter Technical Manual V1.1
1 —AC input, digital control, full-brick
2 —Output current: 10.5 A
3 —Single output
4 —Output voltage: 48 V
5 —With a baseplate
ADF 10 S48 B
1 2 3 4 5
Mechanical Diagram
Pin No.
Name
Function
Pin No.
Name
Function
1
AC1
AC input
11
COM
Common grounding
2
AC2
12
AUX
Auxiliary power supply
3
SP
Surge protection
13
CB
Current balance for parallel
operation
4
R
External resistor for inrush
current protection
14
ENA
Enable signal or input power
failure signal
5
+BC
Boost output voltage (+)
15
SDA
PMBus serial data line
6
-BC
Boost output voltage (-)
16
SCL
PMBus serial clock line
7
+Vout
Output voltage (+)
17
ALERT
PMBus alert
8
-Vout
Output voltage (-)
18
CNT
On/Off control (output side)
9
+S
Remote sense (+)
19
TRIM
Adjustment of output voltage
10
-S
Remote sense (-)
20
ADDR
Module address
Pin Description

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GLOBAL ENERGY EFFICIENCY SPECIALIST
Mechanical Diagram
ADF10S48B
AC-DC Converter Technical Manual V1.1
1. All dimensions in mm [in.]. Tolerances: x.x ±0.5 mm [x.xx ±0.02 in.] x.xx ±0.25 mm [x.xx ±0.010 in.]
unless otherwise specified.
2. Pins 1–6 are 1.00 ±0.05 mm [0.039 ±0.002 in.] diameter. Pin 7 and pin 8 are 2.0 ±0.05 mm [0.079 ±
0.002 in.] diameter.

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GLOBAL ENERGY EFFICIENCY SPECIALIST
Parameter Min. Typ. Max. Unit Notes & Conditions
Environment characteristics
Operating ambient temperature
(TA) –40 - 85 °C -
Storage and transportation
temperature –55 - 125 °C -
Operating and storage humidity 10 - 95 % RH Non-condensing
Altitude 0 - 5000 m Certified to 4000 m
Baseplate temperature –40 - 90 °C Conduction cooled
Absolute maximum ratings
Input voltage (continuous) - - 315 V AC -
VoltagetoSCL/SDA/ADDR/CB - - 3.6 V -
Number of modules for parallel
operation - - 2 PCS -
Input characteristics
Operating input voltage 90 - 290 V AC -
Rated input voltage 100 110/2
20 240 V AC -
Maximum input current - - 8 A Vin = 90 V AC, 100% load
Inrush current - - 20 A Vin = 110 V AC
- - 40 A Vin = 220 V AC
Input frequency 47 50/60 63 Hz -
Power factor 0.95 - - - TA= 25°C, Vin = 110/220 V AC, 100%
load
Total harmonic distortion (THD) - - 10 % TA= 25°C, Vin = 110/220 V AC, Pout =
500 W
No-load power - - 10 W TA= 25°C, Vin = 110 V AC
- - 12 W TA= 25°C, Vin = 220 V AC
Standby power - - 5 W TA= 25°C, Vin = 110/220 V AC
Output characteristics
Output voltage trim range 36 - 55 V DC The output voltage can be adjusted
by I2C or the Trim pin. Preferentially
use the Trim pin for output voltage
adjustment.
ADF10S48B
AC-DC Converter Technical Manual V1.1
Electrical Specifications

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GLOBAL ENERGY EFFICIENCY SPECIALIST
Parameter Min. Typ. Max. Unit Notes & Conditions
Output characteristics
Output voltage setpoint 47.52 48.00 48.48 V DC TA= 25°C, Vin = 110/220 V AC, 50%
load
Output power - - 500 W See Figure 3.
Line regulation –0.3 - 0.3 % Vout = 48 V DC, Pout = 500 W
Load regulation –0.8 - 0.8 % -
Regulated voltage precision –3 - 3 % Full range of Vin, Iout, and TA
Temperature coefficient –0.02 - 0.02 %/°C Full range of Vin, Iout, and TA
External load capacitance
470 x 3 - 470 x 11 µF
Output capacitor:
low ESR aluminum capacitor
(recommended product model:
EKY-630ELL471MK25S NCC)
390 - 390 x 2 µF
Boost voltage bulk capacitor:
long(5000 h) life aluminum capacitor
(recommended product model:
ELXS451VSN391MR50S NCC)
Output ripple and noise
(peak to peak)
- - 550 mV –5°C ≤TA ≤85°C
Oscilloscope bandwidth: 20 MHz
- - 800 mV –25°C ≤TA < –5°C
Oscilloscope bandwidth: 20 MHz
- - 800 mV –40°C ≤TA< –25°C
Oscilloscope bandwidth: 20 MHz
Hold-up time 10 - - ms
Output capacitor: 470 µF x 3
Bulk capacitor: 390 µF
TA= 25°C, 100% load, from input
power outage to 90% Vout
Output voltage delay time - - 8 s From Vin connection to 10% Vout
Output voltage rise time
- - 100 ms From 10% Vout to 90% Vout, TA ≥ –
25°C
- - 400 ms
From 10% Vout to 90% Vout,
–40°C ≤TA< –25°C
When the temperature is below –25°C,
there is no requirement on the output
voltage rise waveform.
Output voltage overshoot - - 5 %Vonom Full range of Vin, Iout, and TA
Current sharing accuracy -10 - 10 %
The output power of each module
must be greater than 200 W.
The voltage difference between
modules connected in parallel should
be less than 5%.
Electrical Specifications
ADF10S48B
AC-DC Converter Technical Manual V1.1

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GLOBAL ENERGY EFFICIENCY SPECIALIST
Parameter Min. Typ. Max. Unit Notes & Conditions
Protection characteristics
Input undervoltage protection
Protection threshold
Recovery threshold
Hysteresis
74
-
5
-
-
-
85
90
-
V AC
V AC
V AC
-
Input overvoltage protection
Protection threshold
Recovery threshold
Hysteresis
295
290
5
-
-
-
310
-
-
V AC
V AC
V AC
-
Output overvoltage protection - - 59.5 V Latch off
Output overcurrent protection 105 - 150 % Self-recovery
Output short circuit protection - - - - Self-recovery;
The module is not damaged even with
long-term short circuits.
Overtemperature protection
Baseplate
Hysteresis
90
5
-
-
-
-
°C
°C
Self-recovery;
The overtemperature protection
threshold is obtained by measuring
the temperature of the middle of the
baseplate.
Dynamic characteristics
Overshoot amplitude
Recovery time - - -
- 5
250 % µs
TA= 25°C, Vin = 110/220 V AC;
Current change rate: 0.1 A/μs;
Load: 25%–50%–25%;
50%–75%–50%
Efficiency
100% load 87.0 90.2 - % TA= 25°C, Vin = 110 V AC; Iout = 10.5 A
90.0 92.8 - % TA= 25°C, Vin = 220 V AC; Iout = 10.5 A
50% load 87.0 90.1 - % TA= 25°C, Vin = 110 V AC; Iout = 5.25 A
90.0 92.1 - % TA= 25°C, Vin = 220 V AC; Iout = 5.25 A
Other characteristics
Remote On/Off voltage
Low level
High level
0
2.4
-
-
0.8
3.5
V
V Negative logic
AUX 10 - 14 V Auxiliary power output. Its output
current is less than 20 mA.
ENA - - - - See Enable (ENA).
Electrical Specifications
ADF10S48B
AC-DC Converter Technical Manual V1.1

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GLOBAL ENERGY EFFICIENCY SPECIALIST
Parameter Min. Typ. Max. Unit Notes & Conditions
Other characteristics
+S - - 5 %Vout See Remote Sense.
-S - - 0.5 V
CB 0 - 3.3 V Current sharing pin that needs to be
connected to -S
TRIM 0 - 2.5 V Needs to be connected to -S if output
voltage adjustment is required
Input voltage precision –10 - 10 V TA= 25°C, Vin = 90–290 V AC
Insulation characteristics
Input to output insulation
voltage - - 4242 V DC Reinforced insulation;
The leakage current should be less
than 10 mA. The test voltage ramp up
less than 500 V per second.
Input to baseplate insulation
voltage - - 3535 V DC
Output to baseplate insulation
voltage - - 707 V DC
Input to output insulation
resistance 10 - - MΩ
Normal atmospheric pressure;
90% humidity;
500 V DC
Input to baseplate insulation
resistance 10 - - MΩ
Output to baseplate insulation
resistance 10 - - MΩ
Reliability characteristics
Mean time between failures
(MTBF) - 1.2 - Million
hours
TBaseplate = 25°C, Telcordia SR332
Method 1 Case 3; normal input/rated
output, 80% load
Electrical Specifications
ADF10S48B
AC-DC Converter Technical Manual V1.1
Specifications are subject to change without notice.

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GLOBAL ENERGY EFFICIENCY SPECIALIST
ADF10S48B
AC-DC Converter Technical Manual V1.1
Characteristic Curves
Figure 1: Efficiency
Figure 2: Power dissipation
Conditions: TA= 25°C unless otherwise specified
Figure 3: Output voltage vs. Output current
Figure 4: Thermal derating curve (Vin = 110/220 V,
ambient temperature TA= 85°C)

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GLOBAL ENERGY EFFICIENCY SPECIALIST
Typical Waveforms
Figure 7: Output voltage ripple
(for points A and B in the test set-up diagram,
Vin = 220 V AC, Vout = 48 V, Iout = 10.5 A)
Figure 6: Output voltage ripple
(for points A and B in the test set-up diagram,
Vin = 110 V AC, Vout = 48 V, Iout = 10.5 A)
Figure 5: Test set-up diagram
Points A and B, which are used
for testing the output voltage
ripple, must be 25 mm (0.98 in.)
away from the Vout (+) pin and the
Vout (-) pin, respectively.
Vout
ADF10S48B
AC-DC Converter Technical Manual V1.1
Vout
F1: 15 A, 250 V AC
C1, C2, C3: The 1 μF/275 V AC film capacitor is recommended.
C4, C5, C6: The 470 μF/63 V low ESR aluminum electrolytic capacitor is recommended.
C7, C8: The 1.5 μF/450 V film capacitor is recommended.
C9: The 390 μF/450 V long life (5000 h) aluminum electrolytic capacitor is recommended.
C10: The 2200 pF capacitor is recommended.
L1: Common-mode inductor (single phase, 3.5 mH).
L2: Common-mode inductor (single phase, 5 –12 mH).
R1, R2, R3, R4: 100 kΩ/0.25 W resistor
R5: Cement resistor 75 Ω/5 W
RT1: Negative temperature coefficient (NTC) resistor 1 Ω
D1: 1 kV/3 A

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GLOBAL ENERGY EFFICIENCY SPECIALIST
Figure 10: Shutdown from On/Off (Vin = 110 V AC,
100% load) Figure 11: Shutdown from On/Off (Vin = 110 V AC,
100% load)
Vout Vout
On/Off
Figure 8: Startup from On/Off (Vin = 110 V AC,
100% load) Figure 9: Startup from On/Off (Vin = 110 V AC,
100% load)
Conditions: TA= 25°C unless otherwise specified
Vout
On/Off
Vout
On/Off
Typical Waveforms
ADF10S48B
AC-DC Converter Technical Manual V1.1
On/Off
Figure 12: Startup from On/Off (Vin = 220 V AC,
100% load)
Figure 13: Startup from On/Off (Vin = 220 V AC,
100% load)
Vout Vout
On/Off On/Off

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GLOBAL ENERGY EFFICIENCY SPECIALIST
Figure 16: Startup by power-on (Vin = 110 V AC,
100% load)
Figure 17: Startup by power-on (Vin = 110 V AC,
100% load)
Vout
Vout
Vin
Figure 14: Shutdown from On/Off (Vin = 220 V AC,
100% load) Figure 15: Shutdown from On/Off (Vin = 220 V AC,
100% load)
Conditions: TA= 25°C unless otherwise specified
Vout
On/Off
Vout
On/Off
Typical Waveforms
ADF10S48B
AC-DC Converter Technical Manual V1.1
Vin
Figure 18: Shutdown by power-off (Vin = 110 V AC,
100% load) Figure 19: Shutdown by power-off (Vin = 110 V AC,
100% load)
Vout
Vin Vin
Vout

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GLOBAL ENERGY EFFICIENCY SPECIALIST
Figure 22: Shutdown by power-off (Vin = 220 V AC,
100% load) Figure 23: Shutdown by power-off (Vin = 220 V AC,
100% load)
Vout
Vout
Vin
Figure 20: Startup by power-on (Vin = 220 V AC,
100% load) Figure 21: Startup by power-on (Vin = 220 V AC,
100% load)
Conditions: TA= 25°C unless otherwise specified
Vout
Vin
Vout
Vin
Typical Waveforms
ADF10S48B
AC-DC Converter Technical Manual V1.1
Vin
Figure 24: Output voltage dynamic response (Vin =
110 V AC, load: 50%–25%–50%, di/dt = 0.1 A/µs) Figure 25: Output voltage dynamic response (Vin =
110 V AC, load: 75%–50%–75%, di/dt = 0.1 A/µs)
Vout Vout
Iout
Iout

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GLOBAL ENERGY EFFICIENCY SPECIALIST
Conditions: TA= 25°C unless otherwise specified
Vout Vout
Typical Waveforms
Figure 26: Output voltage dynamic response (Vin =
220 V AC, load: 50%–25%–50%, di/dt = 0.1 A/µs)
ADF10S48B
AC-DC Converter Technical Manual V1.1
Figure 27: Output voltage dynamic response (Vin =
220 V AC, load: 75%–50%–75%, di/dt = 0.1 A/µs)
Iout
Iout

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GLOBAL ENERGY EFFICIENCY SPECIALIST
ADF10S48B
AC-DC Converter Technical Manual V1.1
Typical Application Circuit
Figure 28: Typical application circuit
R1, R2, R3, R4: 0.25 W, 100 kΩ
R5: Cement resistor, 5 W, 75 Ω
F1: 15 A, 250 V AC
L1: 3.5 mH, L2: 5–12 mH
C1, C2: Ceramic capacitor, 1 nF, 250 V
C3, C6, C7: Film capacitor, 1 µF, 275 V AC
C4, C5: 10 nF, 250 V AC
C8, C9: Film capacitor, 1.5 µF, 450 V
C10: Long life (5000 h) aluminum electrolytic capacitor, 390 µF, 450 V
(recommended product model: ELXS451VSN391MR50S NCC)
C11: 2200 pF
C12, C13: 100 nF, 1 kV
C14, C15, C16: Low ESR aluminum electrolytic capacitor, 470 µF, 63 V
(recommended product model: EKY-630ELL471MK25S NCC)
D1: 1 kV, 3 A
RT1: NTC resistor 1 Ω
1. C10, C14, C15, C16: When the temperature is lower than –25°C, the recommended capacitance should be doubled.
2. When selecting an output capacitor, consider not only the ripple voltage but also the ripple current to prevent risks caused by
using a capacitor outside its specifications. A Γ-shaped filter circuit can be used to reduce the ripple current of an output
capacitor. For details, see the ADF500W Power Module Application Guide.

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GLOBAL ENERGY EFFICIENCY SPECIALIST
Remote Sense
Output Voltage Trim
Trim Up
Relationship between Rup and Vout:
Figure 30: Configuration diagram for Trim up
The output voltage can be increased by
connecting an external resistor between the Trim
pin and the +S pin.
1. If the Trim pin is not used, it should be left open.
2. When output voltage adjustment is used, ensure that
the output voltage is within the required range;
otherwise, the protection function will be activated.
3. Ensure that the actual output power does not exceed
the maximum output power when raising the voltage.
The output voltage can be adjusted within the
trim range by using the Trim pin.
Trim Down
The output voltage can be decreased by
connecting an external resistor between the Trim
pin and the -S pin.
Figure 31: Configuration diagram for Trim down
Relationship between Rdown and Vout:
AC1
AC2
SP
Vout (+)
+S
Trim
-S
Vout (-)
Rdown
Load
-BC
+BC
R
ADF10S48B
AC-DC Converter Technical Manual V1.1
Figure 29: Configuration diagram for remote sense
This function is used to compensate for voltage
drops on Rw, which indicates the line impedance
between the output and the load. +S, -S, Vout (+),
and Vout (-) should meet the following requirements:
AC1
AC2
SP
Vout (+)
+S
Trim
-S
Vout (-)
Rw
Load
-BC
+BCR Rw
If the remote sense function is not required, +S
should be connected to Vout (+) and -S should be
connected to Vout (-).
[Vout (+) –(+S)] ≤ 5% Vout
[(-S) –Vout (-)] ≤ 0.5 V
(Vout is the rated output voltage. 36 V ≤ [Vout (+) –Vout (-)] ≤ 55 V)
)(3300
48
46300 



out
out
up VV
R
)(3300
48
2000 



out
out
down VV
R
AC1
AC2
SP
Vout (+)
+S
Trim
-S
Vout (-)
Rup Load
-BC
+BC
R
Enable (ENA)
The Enable signal indicates that the output
voltage of the module is normal and can supply
power to the load (maximum sink current is 10
mA and maximum applied voltage is 75 V). When
the output voltage exceeds 30 V at startup, ENA
is in low resistance state. When the output
voltage drops below 28 V or input power fails,
ENA is in high resistance state. The logic of
Enable is as follows:
Logic
Enable ENA Output Voltage
Negative
Logic High resistance ≤ 28 V or input fault, input power
failure
Low resistance > 30 V

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GLOBAL ENERGY EFFICIENCY SPECIALIST
ADF10S48B
AC-DC Converter Technical Manual V1.1
The Enable signal is pulled up to the AUX by a 10
kΩ external resistor, indicated by an LED. The
recommended circuit diagram of Enable is shown
in Figure 32.
Figure 32: Recommended circuit diagram of Enable
CNT (On/Off)
The CNT (On/Off) pin provides the remote control
function without turning the input power supply on
or off. When the remote control function is not
required, short-circuit CNT and COM.
The logic of On/Off is as follows.
Logic
Enable On/Off Output
Negative
Logic Low level On
High level or left open Off
The configuration diagram of CNT (On/Off) is as
follows.
Figure 33: Configuration diagram of CNT (On/Off)
signal
Auxiliary Power Supply (AUX)
The AUX pin supplies auxiliary power to an
external circuit with a typical output voltage of 12 V.
Be careful not to short-circuit the AUX pin and
other pins on the module; otherwise, the module
will be damaged. Do not connect the AUX pin if
power supply to an external circuit is not required.
ADF10S48B S
CNT
COM
AUX
ENA
10 kΩ
ADF10S48B Parallel Operation (CB)
When several modules are used in parallel, an
output current can be equally drawn from each
module by connecting the CB pins of all modules.
A maximum of two modules can be connected.
The output power of two modules connected in
parallel is equal to or less than 90% of the power
of two fully loaded modules.
Figure 34: Circuit for parallel operation
1. L3: High frequency inductor 0.3 μH
2. C20: Aluminum electrolytic capacitor 63 V, 470 μF
3. C21: 1 μF, 16 V
4. For other capacitor parameters, see EMC.
Enable (ENA)

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GLOBAL ENERGY EFFICIENCY SPECIALIST
ADF10S48B
AC-DC Converter Technical Manual V1.1
PMBus Timing
The module supports both 100 kHz (default) and
400 kHz clock rates.
Tset is the duration for which SDA keeps its value
unchanged before SCL increases. Thold is the
duration for which SDA keeps its value unchanged
after SCL decreases.
SCL and SDA
Within the PSU, the SCL and SDA are each
connected to a pull-up resistor. Externally, the
SCL and SDA are connected to the system
through the fault isolation circuit.
Figure 35: Interconnect diagram of SCL and SDA
SCL
SDA
3.3 kΩ3.3 kΩ
3.3 V
MCU
PMBus Communication
Monitoring and Fault Detection
The module communicates with the system over
the PMBus. It provides the monitoring and fault
detection functions.
The module monitors the following:
Module information
Input voltage
Input power
Output voltage
Output power
Baseplate temperature
CNT (On/Off)
The module detects and reports the following:
Input faults
Output overvoltage
Output overcurrent
Baseplate overtemperature
The module communicates with the system over
the PMBus. The following table describes the
PMBus address.
R (ADDR Pull-Down Resistor)
Address
Left open
Invalid
200 kΩ
0x5F
174 kΩ
0x5E
150 kΩ
0x5D
124 kΩ
0x5C
100 kΩ
0x5B
75 kΩ
0x5A
49.9 kΩ
0x59
24.9 kΩ
0x58
Ground
Invalid
The address bit is as follows.
Bit
7
6
5
4
3
2
1
0
-
Address
Read/Write
Communication will fail if parameter values are
not consistent with those provided in the
following table. Figure 36 shows the timing
diagram of the PMBus interface.
Parameter
Min.
Typ.
Max.
Unit
Logic input low (VIL)
-
-
1.1
V
Logic input high (VIH)
2.1
-
-
V
Logic output low (VOL)
-
-
0.25
V
Logic output high (VOH)
2.7
-
-
V
PMBus setup time
100
-
-
ns
PMBus hold-up time
0
-
-
ns
Clock/Data fall time (tf)
20+
0.1Cb
-
300
ns
Clock/Data rise time (tr)
-
300
ns
Total capacitance of
one bus line (Cb)
-
-
400
pF

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GLOBAL ENERGY EFFICIENCY SPECIALIST
ADF10S48B
AC-DC Converter Technical Manual V1.1
PMBus Commands
PMBus Communication
Linear 11 data format
The linear data format is a two byte value with an
11-bit binary signed mantissa (two's complement)
and a 5-bit binary signed exponent (two's
complement), as shown in Figure 37.
The relationship between N, Y, and actual value X
is given by the following equation:
X = Y x 2N
Where:
Y is the 11-bit, two's complement mantissa.
N is the 5-bit, two's complement exponent.
Figure 37: Linear 11 data format
Data Format
VOUT data format
Commands related to output voltage are
VOUT_COMMAND, VOUT_MODE, and
READ_VOUT. The data for these commands is a
16 bit unsigned integer, as shown in Figure 38.
Hex
Code
Command
Name
Data Type
Data
Byte
Data
Format
Control commands
01h
OPERATION
Read/Write
Byte
1
-
03h
CLEAR_FAU
LTS
Send Byte
0
-
11h
STORE_DEF
AULT_ALL
Send Byte
0
-
Output commands
20h
VOUT_MOD
E
Read Byte
1
-
21h
VOUT_COM
MAND
Read/Write
Word
2
Linear 16
Alarm command
51h
OT_WARN_
LIMIT
Read/Write
Word
2
Linear 11
Status command
79h
STATUS_W
ORD
Read Word
2
-
Monitoring commands
88h
READ_VIN
Read Word
2
Linear 11
8Bh
READ_VOU
T
Read Word
2
Linear 16
8Ch
READ_IOUT
Read Word
2
Linear 11
8Dh
READ_TEM
PERATURE_
1
Read Word
2
Linear 11
96h
READ_POU
T
Read Word
2
Linear 11
Figure 36: PMBus timing diagram
Hex
Code
Command
Name
Data Type
Data
Byte
Data
Format
Monitoring commands
97h
READ_PIN
Read Word
2
Linear 11
98h
PMBUS_RE
VISION
Read Byte
1
-
E9h
MFR_STATU
S_WORD
Read Word
2
-
ECh
MFR_WRITE
_SYSTIME
Write Block
4
Time: S
Low byte
in the
former,
the high
byte in
the post
EFh
MFR_READ
_LAST_ACD
ROP_TIME
Read Block
8
F6h
WRITE_STA
NDBY
Write Byte
1
0x20:
RESET
0x00:
Standby

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GLOBAL ENERGY EFFICIENCY SPECIALIST
ADF10S48B
AC-DC Converter Technical Manual V1.1
To reset the module after it is turned OFF, wait at
least 10 seconds, and then turn it ON. All alarms
and shutdowns are cleared during a restart.
CLEAR_FAULTS (03h): Clears the latch fault.
VOUT_MODE (20h): Determines the data type
and parameters used by a PMBus command.
STATUS_WORD (79h): Reports module fault
information. The module latches off after a fault
occurs.
Bit
Fault Name
Fault Definition
b6–b15
-
-
b5
VOUT_OV
1 - Overvoltage
0 - Normal
b4
IOUT_OC
1 - Overcurrent
0 - Normal
b3
-
-
b2
OVER_TEMP
ERATURE
1 - Overtemperature
0 - Normal
b0, b1
-
-
PMBus Communication
VOUT_COMMAND (21h): Changes the output
voltage of the module.
The default value is 48 V. Voltage range: 36–55 V
MFR_STATUS_WORD (E9h): Reports the module
state.
Bit
Fault Name
Fault Definition
b1–b15
-
-
b0
REMOTE
ON/OFF
1 - OFF
0 - ON
Command Descriptions
OPERATION (01h): By default, the module is turned
ON as long as Enable is active-low.
The OPERATION command is used to turn the
module ON or OFF via the PMBus. It uses the
following data bytes.
Function
Data Byte
ON
0x80
RESET
0x00
OFF
0x55
The output voltage is calculated as follows:
Voltage = V x 2N
Where:
Voltage is the output voltage value.
V is the 16-bit unsigned integer.
N is the 5-bit signed integer (two's complement).
Figure 38: VOUT data format
MFR_WRITE_SYSTIME (ECh): As the module
does not have a time chip, the system uses the
ECh command to deliver the system time to the
module. The module then runs based on the
delivered system time in unit of seconds. To
ensure time accuracy, it is recommended that the
system synchronize time to the module every 10
minutes. The MFR_WRITE_SYSTIME command
format is shown in Figure 39.
Figure 39: MFR_WRITE_SYSTIME command
format
S: Start condition; R: Read bit value of 1; W: Write bit
value of 0; A: Acknowledge bit, may be ACK or NACK;
P: Stop condition
STORE_DEFAULT_ALL (11h): Saves calibrated
or modified data. If this command is not sent,
calibrated or modified data cannot be saved in
the event of a power failure.

20
GLOBAL ENERGY EFFICIENCY SPECIALIST
ADF10S48B
AC-DC Converter Technical Manual V1.1
Cooling Characteristics
When the module is running, the temperature of
the baseplate must not exceed 90°C. The module
supports natural cooling and fan cooling.
Customers can select heat sink models
depending on the onsite conditions.
Input Overvoltage Protection
The module will shut down after the input voltage
exceeds the input overvoltage protection
threshold. The module will start to work again
after the input voltage reaches the input
overvoltage recovery threshold. For the
hysteresis, see the Protection characteristics.
Output Overcurrent Protection
When the output voltage exceeds the output
overvoltage protection threshold, the module will
enter hiccup mode. If the module experiences five
or more times of overvoltage due to an internal fault
within 20s, the module latches off. You need to
restart the module to unlock it. You must power on
the module at least 20s after powering off it. The
module dynamic overvoltage does not exceed 69 V.
Output Overvoltage Protection
When the output current exceeds the output
overcurrent protection threshold, the module will
enter hiccup mode. When the fault condition is
removed, the converter will automatically restart.
Overtemperature Protection
A temperature sensor on the module senses the
average temperature of the module. It protects the
module from being damaged at high temperatures.
When the temperature exceeds the
overtemperature protection threshold, the output
will shut down. If the temperature drops below the
overtemperature protection recovery threshold
more than 5 minutes after the module shuts down,
the output recovers. Note that the sensor does not
sense the temperature within 5 minutes after the
output shuts down. Therefore, even if the
temperature drops to a very low level within 5
minutes after the output shuts down, there is still
no output.
Input Undervoltage Protection
The module will shut down after the input voltage
drops below the undervoltage protection
threshold. The module will start to work again
after the input voltage reaches the input
undervoltage recovery threshold. For the
hysteresis, see the Protection characteristics.
MFR_READ_LAST_ACDROP_TIME (EFh):
Reads the last disconnection time recorded by the
module. The EFh data format is shown in the
figure. The time occupies four bytes and the high-
order byte takes precedence over the low-order
byte during transmission.
The MFR_READ_LAST_ACDROP_TIME
command format is shown in Figure 40.
PMBus Communication
Figure 40: MFR_READ_LAST_ACDROP_TIME
command format
The module uses 8-bit cyclic redundancy check
(CRC). The generator polynomial is C(x) = x8 + x2
+ x1 + 1, or 0b100000111 if expressed in binary
form.
The module complies with the PMBus Protocol
Specification rev1.2 requirements. For details about
the PMBus commands, see the PMBus Protocol
Specification rev1.2.