LTM4636-1 PolyPhase 160A Step-Down Power μModule Regulator Demo Manual
A demo manual for the DC2448A-D circuit featuring the LTM4636-1 PolyPhase 160A step-down regulator with overvoltage and overtemperature protection.
Overview
The DC2448A-D demonstration circuit features a PolyPhase design utilizing the LTM4636-1EY, a 40A high-efficiency switch-mode step-down power μModule regulator. This four-phase configuration delivers a nominal 160A output current from an input range of 9V to 15V, with an adjustable output voltage range of 0.6V to 3.3V. The circuit includes an on-board hot swap controller (LTC4218) to disconnect the supply during overvoltage or overtemperature conditions. It supports Burst Mode and pulse-skipping operation for optimized efficiency at low loads, along with external clock synchronization. The manual provides a performance summary, setup instructions, a complete bill of materials, and detailed schematics.
Use Cases
- High-current power supply design
- Evaluating PolyPhase regulator performance
- Step-down voltage conversion (12V to 0.9V)
- OVP and OTP circuit evaluation
Topics
Referenced Parts
LTM4636EY#PBF
Analog Devices
IC, HIGH EFFICIENCY 40A μMODULE
SMBJ12A
Fairchild Semiconductor
DIODE, TVS, 12V, 600W, SMB/DO-214AA
NMC0603X7R105K16TRPF
NIC
CAP., 1μF, X7R, 16V, 10%, 0603
NRC06F1003TRF
NIC
RES., 100k, 1%, 1/10W, 0603
NRC06F1073TRF
NIC
RES., 107k, 1%, 1/10W, 0603
NRC06F4991TRF
NIC
RES., 4.99k, 1%, 1/10W, 0603
NRC06F6652TRF
NIC
RES., 66.5k, 1%, 1/10W, 0603
NRC06J100TRF
NIC
RES., 10Ω, 5%, 1/10W, 0603
NRC06ZOTRF
NIC
RES., 0Ω, 1/10W, 0603
PSMN2R0-30YLE, 115
NXP Semiconductors
XSTR., MOSFET, N-CH, 30V, 100A, LFPAK, SO8(SOT669)
RC0603FR-076K49L
Yageo
RES., 6.49k, 1%, 1/10W, 0603
SSOP-16
Analog Devices
26 1 U5 IC, HOTSWAP CONTROLLER, SSOP-16 ANALOG DEVICES, LTC4218CGN#PBF
AEC-Q200
Panasonic
12 8 R4, R5, R12, R15, R28, R31, R35, R36 RES., 10k, 5%, 1/10W, 0603, AEC-Q200 PANASONIC, ERJ3GEYJ103V
D3L
Panasonic
CAP., 470μF, TANT. POLY., 4V, 20%, 7343, D3L PANASONIC, 4TPE470MCL
2mm
Samtec
11 4 XJP1, XJP2, XJP3, XJP4 CONN., SHUNT, FEMALE, 2 POS, 2mm SAMTEC, 2SN-BK-G
AEC-Q200
Vishay
17 4 R24, R26, R32, R37 RES., 0Ω, 3/4W, 2010, AEC-Q200 VISHAY, CRCW20100000Z0EF
AEC-Q200
Vishay
16 4 R18, R49, R58, R67 RES., 2.2Ω, 5%, 1/8W, 0805, AEC-Q200 VISHAY, CRCW08052R20JNEA
AEC-Q200
Vishay
23 1 R41 RES., 1k, 5%, 1/10W, 0603, AEC-Q200 VISHAY, CRCW06031K00JNEA
TO-252
Vishay
9 3 Q1, Q2, Q3 XSTR., MOSFET, N-CH, 40V, TO-252 VISHAY, SUD50N04-8M8P-4GE3
| 06031C103KAT2A | AVX | CAP., 0.01μF, X7R, 100V, 10%, 0603 |
| 06033C104KAT2A | AVX | CAP., 0.1μF, X7R, 25V, 10%, 0603 |
| 06035C101KAT2A | AVX | CAP., 100pF, X7R, 50V, 10%, 0603 |
| 06035C222KAT2A | AVX | CAP., 2200pF, X7R, 50V, 10%, 0603 |
| 0603YC105KAT2A | AVX | CAP., 1μF, X7R, 16V, 10%, 0603 |
| 0603ZC474KAT2A | AVX | CAP., 0.47μF, X7R, 10V, 10%, 0603 |
| 12103D226KAT2A | AVX | CAP., 22μF, X5R, 25V, 10%, 1210 |
| LTC4218CGN#PBF | Analog Devices | IC, HOTSWAP CONTROLLER, SSOP-16 |
| RK73H1JTTD1002F | KOA Speer | RES., 10k, 1%, 1/10W, 0603 |
| 73391-0060 | Molex | CONN., SMA RF COAX, PCB JACK RCPT, THT, STR |
| GRM1885C1H220JA01J | Murata | CAP., 22pF, C0G, 50V, 5%, 0603 |
| GRM188R71A474KA61D | Murata | CAP., 0.47μF, X7R, 10V, 10%, 0603 |
| GRM21BR60J106KE19L | Murata | CAP., 10μF, X5R, 6.3V, 10%, 0805 |
| GRM21BR61E475MA12L | Murata | CAP., 4.7μF, X5R, 25V, 20%, 0805 |
| GRM31CR71A226KE15L | Murata | CAP., 22μF, X7R, 10V, 10%, 1206 |
| GRM32ER60J107ME20L | Murata | CAP., 100μF, X5R, 6.3V, 20%, 1210 |
| GRM32ER61E226KE15L | Murata | CAP., 22μF, X5R, 25V, 10%, 1210 |
| 4TPE470MCL | Panasonic | CAP., 470μF, TANT. POLY., 4V, 20%, 7343, D3L |
| ERJ3EKF1002V | Panasonic | RES., 10k, 1%, 1/10W, 0603 |
| ERJ3EKF1003V | Panasonic | RES., 100k, 1%, 1/10W, 0603 |
| ERJ3GEYJ103V | Panasonic | RES., 10k, 5%, 1/10W, 0603, AEC-Q200 |
| TMM-103-02-L-S | Samtec | CONN., HDR., MALE, 1x3, 2mm, THT, STR |
| TMM-104-02-L-S | Samtec | CONN., HDR., MALE, 1x4, 2mm, THT, STR |
| 35HVH150M | Sun Electronic Industries | CAP., 150μF, ALUM., 35V, 20%, 10x10.5mm, SMD, HVH SERIES |
| C1608X7R1C105K080AC | TDK | CAP., 1μF, X7R, 16V, 10%, 0603 |
| CRCW06030000Z0EA | Vishay | RES., 0Ω, 1/10W, 0603 |
| CRCW0603100KFKEA | Vishay | RES., 100k, 1%, 1/10W, 0603 |
| CRCW0603107KFKEA | Vishay | RES., 107k, 1%, 1/10W, 0603 |
| CRCW060310K0FKEA | Vishay | RES., 10k, 1%, 1/10W, 0603 |
| CRCW060310K0JNEA | Vishay | RES., 10k, 5%, 1/10W, 0603, AEC-Q200 |
| CRCW060310R0JNEA | Vishay | RES., 10Ω, 5%, 1/10W, 0603 |
| CRCW06031K00JNEA | Vishay | RES., 1k, 5%, 1/10W, 0603, AEC-Q200 |
| CRCW060320K0FKEA | Vishay | RES., 20k, 1%, 1/10W, 0603 |
| CRCW060334K8FKEA | Vishay | RES., 34.8k, 1%, 1/10W, 0603 |
| CRCW06034K99FKEA | Vishay | RES., 4.99k, 1%, 1/10W, 0603 |
| CRCW060351R0JNEA | Vishay | RES., 51Ω, 5%, 1/10W, 0603 |
| CRCW060366K5FKEA | Vishay | RES., 66.5k, 1%, 1/10W, 0603 |
| CRCW06036K49FKEA | Vishay | RES., 6.49k, 1%, 1/10W, 0603 |
| CRCW06039K53FKEA | Vishay | RES., 9.53k, 1%, 1/10W, 0603 |
| CRCW08052R20JNEA | Vishay | RES., 2.2Ω, 5%, 1/8W, 0805, AEC-Q200 |
| CRCW20100000Z0EF | Vishay | RES., 0Ω, 3/4W, 2010, AEC-Q200 |
| SUD50N04-8M8P-4GE3 | Vishay | XSTR., MOSFET, N-CH, 40V, TO-252 |
| WSL2010R0100FEA18 | Vishay | RES., 0.01Ω, 1%, 1W, 2010, HIGH POWER |
| WSL25121L000FEA | Vishay | RES., 0.001Ω, 1%, 1W, 2512, SENSE |
| RC0603FR-0720KL | Yageo | RES., 20k, 1%, 1/10W, 0603 |
| RC0603FR-0734K8L | Yageo | RES., 34.8k, 1%, 1/10W, 0603 |
| RC0603FR-0766K5L | Yageo | RES., 66.5k, 1%, 1/10W, 0603 |
| 150060GS75000 | Wurth Electronics | LED, GREEN, WATERCLEAR, 0603 |
| 150060SS75000 | Wurth Electronics | LED, SUPER RED, WATERCLEAR, 0603 |
| LTM4636EY#PBF | Analog Devices | IC, HIGH EFFICIENCY 40A μMODULE |
| SMBJ12A | Fairchild Semiconductor | DIODE, TVS, 12V, 600W, SMB/DO-214AA |
| NMC0603X7R105K16TRPF | NIC | CAP., 1μF, X7R, 16V, 10%, 0603 |
| NRC06F1003TRF | NIC | RES., 100k, 1%, 1/10W, 0603 |
| NRC06F1073TRF | NIC | RES., 107k, 1%, 1/10W, 0603 |
| NRC06F4991TRF | NIC | RES., 4.99k, 1%, 1/10W, 0603 |
| NRC06F6652TRF | NIC | RES., 66.5k, 1%, 1/10W, 0603 |
| NRC06J100TRF | NIC | RES., 10Ω, 5%, 1/10W, 0603 |
| NRC06ZOTRF | NIC | RES., 0Ω, 1/10W, 0603 |
| PSMN2R0-30YLE, 115 | NXP Semiconductors | XSTR., MOSFET, N-CH, 30V, 100A, LFPAK, SO8(SOT669) |
| RC0603FR-076K49L | Yageo | RES., 6.49k, 1%, 1/10W, 0603 |
| SSOP-16 | Analog Devices | 26 1 U5 IC, HOTSWAP CONTROLLER, SSOP-16 ANALOG DEVICES, LTC4218CGN#PBF |
| AEC-Q200 | Panasonic | 12 8 R4, R5, R12, R15, R28, R31, R35, R36 RES., 10k, 5%, 1/10W, 0603, AEC-Q200 PANASONIC, ERJ3GEYJ103V |
| D3L | Panasonic | CAP., 470μF, TANT. POLY., 4V, 20%, 7343, D3L PANASONIC, 4TPE470MCL |
| 2mm | Samtec | 11 4 XJP1, XJP2, XJP3, XJP4 CONN., SHUNT, FEMALE, 2 POS, 2mm SAMTEC, 2SN-BK-G |
| AEC-Q200 | Vishay | 17 4 R24, R26, R32, R37 RES., 0Ω, 3/4W, 2010, AEC-Q200 VISHAY, CRCW20100000Z0EF |
| AEC-Q200 | Vishay | 16 4 R18, R49, R58, R67 RES., 2.2Ω, 5%, 1/8W, 0805, AEC-Q200 VISHAY, CRCW08052R20JNEA |
| AEC-Q200 | Vishay | 23 1 R41 RES., 1k, 5%, 1/10W, 0603, AEC-Q200 VISHAY, CRCW06031K00JNEA |
| TO-252 | Vishay | 9 3 Q1, Q2, Q3 XSTR., MOSFET, N-CH, 40V, TO-252 VISHAY, SUD50N04-8M8P-4GE3 |