Analog Devices LTP8803-1A Quick setup guide

1
DEMO MANUAL DC3190A-D
Rev. 0
DESCRIPTION
LTP8803-1A
54V Input, High Current DC/DC Power
µModule with PMBus Interface
Demonstration circuit 3190A-D is a high current, high
density, high efficiency open-frame μModule
®
regula-
tor with 45V to 65V input range. The demo board has
a LTP™8803-1A μModule regulator which provides
microprocessor 1.15V voltage from 54V power distri-
bution architecture with digital power system manage-
ment. The maximum output current for the demo board
is 160A. Please see LTP8803-1A data sheet for more
detailedinformation.
DC3190A-D powers up to default settings and produces
power based on configuration resistors without the need
for any serial bus communication. This allows easy evalu-
ation of the DC/DC converter. To fully explore the extensive
power system management features of the part, download
All registered trademarks and trademarks are the property of their respective owners.
BOARD PHOTO
the GUI software LTpowerPlay
®
onto your PC and use
ADI’s I2C/SMBus/PMBus dongle DC1613A to connect to
the board. LTpowerPlay allows the user to reconfigure the
part on-the-fly and store the configuration in EEPROM,
view telemetry of voltage, current, temperature and
faultstatus.
GUI Download
The software can be downloaded from: LTpowerPlay
For more details and instructions of LTpowerPlay,
please refer to LTpowerPlay GUI for LTP8803-1A Quick
StartGuide.
Design files for this circuit board are available.
Part marking is either ink mark or laser mark

2
DEMO MANUAL DC3190A-D
Rev. 0
PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Voltage Range VIN 45 65 V
Output Voltage 1.144 1.15 1.156 V
Default Switching Frequency 582 600 618 kHz
Maximum Output Current Derating is Necessary for Certain VIN and Thermal Conditions 160 A
Converter Efficiency VIN = 54V • fSW = 600kHz, VOUT = 1.15V, IOUT = 160A 90.5 %
PERFORMANCE SUMMARY
Specifications are at TA= 25°C, air cooling 900LFM
Demonstration circuit 3190A-D is easy to set up to evalu-
ate the performance of the LTP8803-1A. Refer to Figure1
for the proper measurement equipment setup and follow
the procedure below.
1. With power off, connect the input power supply to VIN
(45V to 65V) and GND.
2. With power off, connect the auxiliary power supply to
BIAS (7V) and GND.
3. With power off, connect the auxiliary power supply to
3V3 (3.3V) and GND.
4. With power off, connect the load from VOUT to GND.
5. Connect the DMMs to the input and outputs.
6. Turn on the auxiliary power supply and the input power
supply and check for the proper output voltage. VOUT
should be 1.15V ±0.5%.
7. Once the input and output voltages are properly es-
tablished, adjust the load current within the operating
range of 0A to 160A max. Observe the output voltage
regulation, output voltage ripples, load transient re-
sponse and other parameters.
8. Connect the dongle and control the output voltages
fromtheGUI.SeeLTpowerPlayGUIfortheLT P 8803-1A
Quick Start Guide for details.
NOTE: When measuring the output or input voltage
ripple, do not use the long ground lead on the oscil-
loscope probe. See Figure2 for the proper scope probe
technique. Short, stiff leads need to be soldered to
the (+) and (−) terminals of an output capacitor. The
probe’s ground ring needs to touch the (−) lead and
the probe tip needs to touch the (+) lead.

3
DEMO MANUAL DC3190A-D
Rev. 0
LOAD
dc3190adF01
+
+
+
–
+
–
3.3V 7V
45V TO 65V
Figure1. Proper Measurement Equipment Setup
+ –
VOUT GND
COUT
Figure2. Measuring Output Voltage Ripple
QUICK START PROCEDURE

4
DEMO MANUAL DC3190A-D
Rev. 0
CONNECTING PC TO DC3190A-D
Use a PC to reconfigure the power management features
of the LTP8803-1A such as:nominal VOUT, margin set
points, OV/UV limits, temperature fault limits, sequenc-
ing parameters, the fault log, fault responses, GPIOs and
other functionalities. LTpowerPlay utilizes the DC1613A
USB-to-SMBus controller to communicate with one of
demo system, or a customer board. The software also
provides an automatic update feature to keep the software
current with the latest set of device drivers and docu-
mentation. The LTpowerPlay software can be downloaded
from: LTpowerPlay
To access technical support documents for Analog
Devices Digital Power Products visit the LTpowerPlay Help
menu. Online help also available through the LTpowerPlay.
Figure3. LTpowerPlay Main Interface

5
DEMO MANUAL DC3190A-D
Rev. 0
(a)
Figure6. LTP8803-1A Thermal Performance at VIN = 54V, ILOAD = 160A, TA= 25°C, 900LFM Forced Airflow
(b)
(a) (b)
TYPICAL PERFORMANCE CHARACTERISTICS
Figure4. Measured LTP8803-1A Efficiency at VIN = 54V, fSW = 600kHz, Forced Air Cooled with 900LFM
Figure5. LTP8803-1A Thermal Performance at VIN = 54V, ILOAD = 160A, TA= 25°C, 500LFM Forced Airflow
V
IN
= 54V
V
BIAS
= 7V
1V
OUT
1.15V
OUT
1.3V
OUT
LOAD CURRENT (A)
0
20
40
60
80
100
120
140
160
55
60
65
70
75
80
85
90
95
EFFICIENCY (%)
dc3190ad F03

6
DEMO MANUAL DC3190A-D
Rev. 0
TYPICAL PERFORMANCE CHARACTERISTICS
Figure7. LTP8803-1A Load Transient Responses with Load Steps 0A to 40A to 0A at dI/dt = 40A/µs
Figure8. LTP8803-1A Output Voltage Ripple Measured through J3 (54V Input, IOUT = 160A, 20MHz BW Limit)
dc3190ad F07
100μs/DIV
VOUT(PK-PK) = 57.50mV
VOUT
10mV/DIV
LOAD STEP
0A TO 20A/DIV
dc3190ad F08
1μs/DIV
VOUT(PK-PK) = 4.22mV
VOUT
5mV/DIV

7
DEMO MANUAL DC3190A-D
Rev. 0
PARTS LIST
ITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER
Required Circuit Components
1 18 C5-C22 CAP., 10μF , X7S, 6.3V, 20%, 0603 TDK, C1608X7S0J106M080AC
2 5 C45, C46, C76-C78 CAP., 2.2μF , X7R, 100V, 10%, 1206 SAMSUNG, CL31B225KCHSNNE
3 1 C48 CAP., 10μF , X7S, 16V, 10%, 0805 MURATA, GRM21BC71C106KE11L
4 1 C49 CAP., 2.2μF , X7R, 16V, 10%, 0805 KEMET, C0805C225K4RACTU
5 4 C52-C55 CAP., 100μF , X5R, 6.3V, 20%, 1206 TDK, C3216X5R0J107M160AB
6 4 C58-C61 CAP., 100μF, X6S, 6.3V, 20%, 1210 SAMSUNG, CL32X107MQVNNNE
7 10 C66-C75 CAP., 560μF , ALUM POLY, SP-CAP, 2V,
20%,7343
PANASONIC, EEFGX0D561R
8 1 CVS CAP., 100pF, X7R, 16V, 10%, 0603 AVX, 0603YC101KAT2A
9 4 J6-J9 EVAL BOARD STUD HARDWARE SET, #10-32 ANALOG DEVICES, 720-0010
10 1 LB1 LABEL SPEC, DEMO BOARD SERIAL NUMBER BRADY, THT-96-717-10
11 4 M1-M4 XSTR., MOSFET, N-CH, 25V, 70A, LFPAK55,
Power-SO8
NEXPERIA, PSMN5R4-25YLDX
12 4 R1-R4 RES., 24.9Ω, 1%, 1/10W, 0603, AEC-Q200 PANASONIC, ERJ3EKF24R9V
13 8 R5-R8, R13-R16 RES., 200Ω, 1%, 1/10W, 0603 VISHAY, CRCW0603200RFKEA
14 4 R9-R12 RES., 0.006Ω, 1%, 3W, 2512, LONG-SIDE
TERM., METAL, SENSE, AEC-Q200
SUSUMU, KRL6432E-M-R006-F-T1
15 1 R17 RES., 49.9Ω, 1%, 1/10W, 0603 PANASONIC, ERJ3EKF49R9V
16 5 R18-R22 RES., 4.99k, 1%, 1/10W, 0603, AEC-Q200 PANASONIC, ERJ3EKF4991V
17 1 R25 RES., 750Ω, 1%, 1/10W, 0603, AEC-Q200 STACKPOLE ELECTRONICS, INC., RMCF0603FT750R
18 1 R26 RES., 10k, 1%, 1/10W, 0603, AEC-Q200 VISHAY, CRCW060310K0FKEA
19 1 R27 RES., 10k, 1%, 1/16W, 0402, AEC-Q200 VISHAY, CRCW040210K0FKED
20 1 R31 RES., 1.3k, 0.1%, 1/10W, 0603, METAL FILM,
AEC-Q200
PANASONIC, ERA3AEB132V
21 1 R32 RES., 1k, 0.1%, 1/10W, 0603 YAGEO, RT0603BRD071KL
22 1 R33 RES., 7.5Ω, 1%, 1/10W, 0603 YAGEO, RC0603FR-077R5L
23 1 RSN RES., 0Ω, 1/10W, 0603, AEC-Q200 PANASONIC, ERJ3GEY0R00V
24 1 RSP RES., 1Ω, 1%, 1/10W, 0603, AEC-Q200 NIC, NRC06F1R00TRF
25 1 U1 IC, 170A DC/DC CONVERTER, PRELIM. ANALOG DEVICES, LTP8803-1AIPV#PBF
Additional Demo Board Circuit Components
1 0 C23-C34 CAP., 22μF , FEEDTHRU, 4V, 20%, 05035, SMD,
3-TERM., EMI FILTER, 2A
MURATA, NFMJMPC226R0G3D
2 0 C47 CAP., 22μF , ALUM, 100V, 20%, 8mm ×
10.2mm, SMD, RADIAL, AEC-Q200, CE-BS
SUN ELECTRONIC INDUSTRIES CORP, 100CE22BS
3 0 C62-C65 CAP., OPTION, 1206
4 0 CFF CAP., OPTION, 0603
5 0 D1 DIODE, OPTION, SOD-323
6 1 PCB1 PCB, DC3190A ADI APPROVED SUPPLIER, 600-DC3190A
7 0 R34, R37-R39, RFF RES., OPTION, 0603

8
DEMO MANUAL DC3190A-D
Rev. 0
ITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER
Hardware: For Demo Board Only
1 12 E3-E14 TEST POINT, TURRET, 0.064" MTG. HOLE,
PCB0.062" THK
MILL-MAX, 2308-2-00-80-00-00-07-0
2 2 J1, J3 CONN., RF, BNC, RCPT, JACK, 5-PIN, ST,
THT,50Ω
AMPHENOL RF, 112404
3 1 J2 CONN., HDR, MALE, 1×3, 2.54mm, VERT,
ST,THT
SAMTEC, TSW-103-07-L-S
4 1 J4 CONN., HDR, SHROUDED, MALE, 1×4, 2.54mm,
VERT, ST, THT
AMPHENOL, 69167-104HLF
5 1 J5 CONN., SOCKET, FEMALE, 2×12, 2mm, SMD,
BOTTOM ENTRY
SAMTEC, CLT-112-02-F-D-BE-A-K-TR
6 2 J10, J11 CONN., BANANA JACK, FEMALE, THT, NON-
INSULATED, SWAGE, 0.218"
KEYSTONE, 575-4
7 4 MH1-MH4 STANDOFF, NYLON, SNAP-ON, 0.375" KEYSTONE, 8832
8 1 STNCL1 TOOL, STENCIL, 700-DC3190A ADI APPROVED SUPPLIER, 830-DC3190A
PARTS LIST

9
DEMO MANUAL DC3190A-D
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog
Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications
subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
SCHEMATIC DIAGRAM
5
5
4
4
3
3
2
2
1
1
D D C C B B A A
ALL CAPACITORS ARE 0603.
NOTES: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS ARE 0603.
10-32 STUD
ASSY TYPE U1 R31 DC3190A-A DC3190A-B DC3190A-C DC3190A-D
LTP8800-1A LTP8800-4A LTP8802-1A LTP8803-1A
1k 1k 2.87k 1k
* VERISON TABLE
*
*
FOR VIN: 45V ~ 65V INPUT RANGE DEPENDS ON THE FIRMWARE + OUTPUT VOLTAGE
R32 2k 511 1.3k
*
C66, C67, C68, C69, C70, C71, C72, C73, C74, C75: DC3190A-A LTP8800-1A EEFGX0D561R (2.5V 560uF 3mOhm 2-terminal) DC3190A-B LTP8800-4A EEFGX0D561R (2.5V 560uF 3mOhm 2-terminal) DC3190A-C LTP8802 6TPE680MI (6.3V 680uF 18mOhm 2-terminal) DC3190A-D LTP8803 EEFGX0D561R (2.5V 560uF 3mOhm 2-terminal)
C66 C67 C68 C69 C70 C71 C72 C73 C74 C75 560uF 560uF 560uF 680uF
560uF 560uF 560uF 680uF
560uF 560uF 560uF 680uF
560uF 560uF 560uF 680uF
560uF 560uF 560uF 680uF
560uF 560uF 560uF 680uF
560uF 560uF 560uF 680uF
560uF 560uF 560uF 680uF
560uF 560uF 560uF 680uF
560uF 560uF 560uF 680uF
PCA ADDITIONAL PARTS
2k
DATE:
SHEET OF
TITLE: SCHEMATIC
APPROVALS
PCB DES. APP ENG.
SIZE:
SCHEMATIC NO. AND REVISION:
CUSTOMER NOTICE
THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND
SUPPLIED FOR USE WITH ANALOG DEVICES PARTS.
SKU NO. IC NO.
ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT ANALOG DEVICES APPLICATIONS ENGINEERING FOR ASSISTANCE.
www.analog.com
ANALOG
DEVICES
11
LTP88xx
54V Input, High Current DC/DC Power uModule with PMBUS Interface
DC3190A
710-DC3190A_REV05
N/A
Tuesday, December 20, 2022
<Variant Name>
DATE:
SHEET OF
TITLE: SCHEMATIC
APPROVALS
PCB DES. APP ENG.
SIZE:
SCHEMATIC NO. AND REVISION:
CUSTOMER NOTICE
THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND
SUPPLIED FOR USE WITH ANALOG DEVICES PARTS.
SKU NO. IC NO.
ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT ANALOG DEVICES APPLICATIONS ENGINEERING FOR ASSISTANCE.
www.analog.com
ANALOG
DEVICES
11
LTP88xx
54V Input, High Current DC/DC Power uModule with PMBUS Interface
DC3190A
710-DC3190A_REV05
N/A
Tuesday, December 20, 2022
<Variant Name>
DATE:
SHEET OF
TITLE: SCHEMATIC
APPROVALS
PCB DES. APP ENG.
SIZE:
SCHEMATIC NO. AND REVISION:
CUSTOMER NOTICE
THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND
SUPPLIED FOR USE WITH ANALOG DEVICES PARTS.
SKU NO. IC NO.
ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT ANALOG DEVICES APPLICATIONS ENGINEERING FOR ASSISTANCE.
www.analog.com
ANALOG
DEVICES
11
LTP88xx
54V Input, High Current DC/DC Power uModule with PMBUS Interface
DC3190A
710-DC3190A_REV05
N/A
Tuesday, December 20, 2022
<Variant Name>
RFF
OPT
E13 REMOTE_VOUT+
C22 10uF
J10
VIN
MH3 STANDOFF, NYLON, SNAP-ON,0.375"
R11
0.006 SUSUMU-KRL6432
R19
4.99k
J6
VOUT
CFF OPT
C24 22uF
05035 OPT
R20
4.99k
C31 22uF
05035 OPT
E5
ISHARE
C10 10uF
M3
PSMN5R4-25YLDX
1
2
5
3
4
R5
200
J1
RF,BNC
1
2
3
4
5
C11 10uF
R8
200
J11
GND
KEY-575-4
R14
200
+
C47 22uF 100V
100CE22BS
C45 2.2uF 100V 1206
+
C72 150uF
12
C27 22uF
05035 OPT
R9
0.006 SUSUMU-KRL6432
C34 22uF
05035 OPT
C65 OPT
M4
PSMN5R4-25YLDX
1
2
5
3
4
R25
750
R27
10k 0402
C55 100uF 6.3V 1206
U1
SDA
21
CTRL
3
VIN
22
ISHARE
2
ADD
4
7V0
10
GND
9
GND
15
VOUT
16
VOUT
17
VOUT
18
GND
19
3V3
8
SYNC
7
VS-
6
VS+
5
VOUT
11
VOUT
12
VOUT
13
GND
14
SMBALERT
1
SCL
20
R39
OPT
PCB1 PCB, DC3190A REV05
C63 OPT
R22
OPT
R6
200
E10
BIAS
C46 2.2uF 100V 1206
E7
VOUTS
R12
0.006 SUSUMU-KRL6432
C12 10uF
C52 100uF 6.3V 1206
E6
CTRL
MH1 STANDOFF, NYLON, SNAP-ON,0.375"
J9
GND
+
C66 150uF
12
C14 10uF
R18
4.99k
+
C70 150uF
12
C54 100uF 6.3V 1206
+
C68 150uF
12
J2
1 3 2
C23
22uF
05035 OPT
MH4 STANDOFF, NYLON, SNAP-ON,0.375"
C30 22uF
05035 OPT
C13 10uF
R15
200
E14
REMOTE_VOUT-
C15 10uF
R10
0.006 SUSUMU-KRL6432
+
C75 150uF
12
C26 22uF
05035 OPT
R17 49.9
C33 22uF
05035 OPT
C53 100uF 6.3V 1206
C48 10uF 16V 0805
C16 10uF
R34
OPT
M1
PSMN5R4-25YLDX
1
2
5
3
4
RSN
0
RSP
1
E12
GND
C5 10uF
R13
200
J8
GND
D1
OPT
E9
GND
R32
R3
24.9
C76 2.2uF 100V 1206
+
C74 150uF
12
MH2 STANDOFF, NYLON, SNAP-ON,0.375"
C29 22uF
05035 OPT
C6 10uF
R2
24.9
C17 10uF
C7 10uF
C64
OPT
C78 2.2uF 100V 1206
C49 2.2uF 0805 16V
J3
RF,BNC
1
2
3
4
5
R31
R16
200
R37
OPT
R21
4.99k
C25 22uF
05035 OPT
R1 24.9
C32 22uF
05035 OPT
STNCL1 TOOL, STENCIL, 700-DC3190A REV05
C62 OPT
C18 10uF
E3
SYNC
J7
VOUT
C19 10uF
+
C71 150uF
12
C61 100uF 1210 6.3V
R26
10k
C60 100uF 1210 6.3V
E4
SMB
CVS
100pF
C59 100uF 1210 6.3V
C8 10uF
C58 100uF 1210 6.3V
+
C67 150uF
12
+
C69 150uF
12
J5
SOCKET
2 4 6 8 10 12 14 16 18 20 22 24
1 3 5 7 9
11 13 15 17 19 21 23
C77 2.2uF 100V 1206
J4
1 3 2 4
E11
GATE
+
C73 150uF
12
C28 22uF
05035 OPT
R33 7.5
1%
E8
3V3
C21 10uF
M2
PSMN5R4-25YLDX
1
2
5
3
4
C9 10uF
R7
200
C20 10uF
R4
24.9
R38
OPT
LB1 LABEL SPEC, DEMO BOARD SERIAL NUMBER
RSENSE+ RSENSE-
RSENSE+ RSENSE-
RSENSE+ RSENSE-
VOUT
VOUT VOUT
LOADGATE
LOADGATE LOADGATE
RSENSE- RSENSE+
SDA SCL
VOUT
SYNC
SMBALERT
SDA SCL
ISHARE
VDDEXT VIN VDD
SYNC SDA SCL SMBALERT ISHARE CTRL VDDEXT VIN VIN VIN
VIN VDD
RSENSE- RSENSE+
LOADGATE
VOUT
VOUT
LOADGATE
RSENSE+ RSENSE-
VOUT
VOUT VOUT
VOUT VOUT
LOADGATE
VOUT
VOUT VOUT
VOUTCTRL

10
DEMO MANUAL DC3190A-D
Rev. 0
 ANALOG DEVICES, INC. 2023
2/23
www.analog.com
REVISION HISTORY
REV DATE DESCRIPTION PAGE NUMBER
0 02/23 Initial Release. —
ESD Caution
ESD (electrostatic discharge) sensitive device. Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection
circuitry, damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality.
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HUNDRED US DOLLARS ($100.00). EXPORT. Customer agrees that it will not directly or indirectly export the Evaluation Board to another country, and that it will comply with all applicable United States
federal laws and regulations relating to exports. GOVERNING LAW. This Agreement shall be governed by and construed in accordance with the substantive laws of the Commonwealth of Massachusetts
(excluding conflict of law rules). Any legal action regarding this Agreement will be heard in the state or federal courts having jurisdiction in Suffolk County, Massachusetts, and Customer hereby submits
to the personal jurisdiction and venue of such courts. The United Nations Convention on Contracts for the International Sale of Goods shall not apply to this Agreement and is expressly disclaimed.