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Texas Instruments LM5141 | Demoboard PMP15019
Automotive High Current, Wide VIN Synchronous Buck Controller Reference Design Featuring LM5141-Q1
Overview
| Topology | Buck Converter |
| Input voltage | 5.5-42 V |
| Output 1 | 5 V / 20 A |
| IC revision | E1 |
Description
PMP15019 uses the LM5141-Q1 low Iq synchronous buck controller as the centerpiece of a high current automotive DC/DC power supply. The PMP15019 operates over the input voltage range of VOUT + 0.5V to 42V. The EVM provides a 5.0V output (default) with a maximum load current of 15A, 20A transient. The device offers configurability and VOUT can be set to 3.3V and the oscillator frequency can be set up to switch at 440 kHz (default) or 2.2 MHz.
Features
REMARK:BOM SCHEMATIC IS ADDED WITH TEST RESULT PDF
5.5V to 42Vin, 5V @15A continuous, 20A peak~93.5% efficiencySolution size: 2.0 inch x 3.0 inch (max component height: 0.4 inch)
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | Material | LR (µH) | fres (MHz) | C | VR (V (DC)) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | RESR (mΩ) | ILeak (µA) | DF (%) | Ø D (mm) | L (mm) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7443330220 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCC SMT High Current Cube Inductor | 2.2 | 17.4 | 22.5 | 25.6 | 4.8 | Ferrite | 2.1 | 80 | – | – | – | -40 °C up to +125 °C | – | – | – | – | – | 10.9 | – | ||
 | 875105344009 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-PSLP Aluminum Polymer Capacitors | – | – | – | – | – | – | – | – | 82 µF | 16 | 2000 | -55 °C up to +105 °C | 2200 | 35 | 400 | 8 | 6.3 | 5.8 | 15" Tape & Reel |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7443330220 | SPEC | |
| 875105344009 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | Material | LR (µH) | fres (MHz) | C | VR (V (DC)) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | RESR (mΩ) | ILeak (µA) | DF (%) | Ø D (mm) | L (mm) | Packaging | Samples |
|---|
