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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) | IRIPPLE(mA) | RESR(mΩ) | ILeak(µA) | DF(%) | Ø D(mm) | L(mm) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCC SMT High Current Cube Inductor, 2.2 µH, 17.4 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCC SMT High Current Cube Inductor | Inductance2.2 µH | Performance Rated Current17.4 A | Saturation Current @ 10%22.5 A | Saturation Current @ 30%25.6 A | DC Resistance4.8 mΩ | MaterialFerrite | Rated Inductance2.1 µH | Self Resonant Frequency80 MHz | – | – | – | – | – | – | – | – | Length10.9 mm | – | ||||
 | WCAP-PSLP Aluminum Polymer Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-PSLP Aluminum Polymer Capacitors | – | – | – | – | – | – | – | – | Capacitance82 µF | Rated Voltage16 V (DC) | Endurance 2000 | Ripple Current2200 mA | ESR35 mΩ | Leakage Current400 µA | Dissipation Factor8 % | Diameter6.3 mm | Length5.8 mm | Packaging15" Tape & Reel |