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Texas Instruments LM5140 | Demoboard PMP15032
Automotive High Current, Wide VIN Synchronous Buck Controller Reference Design Featuring LM5140-Q1
Overview
| Topology | Buck Converter |
| Input voltage | 5.5-42 V |
| Output 1 | 5 V / 45 A |
| IC revision | A |
Description
PMP15032 demonstrates the operation and performance of the LM5140-Q1 synchronous buck controller in a high current dual-phase application. The PMP15032 operates over the input voltage range of 5.5 to 42V. The EVM provides a 5.0V output with a maximum load current of 45A (22.5A per phase). The LM5140-Q1 switching frequency is set to 440 kHz to minimize switching losses and obtain maximum efficiency.
Features
Remark: Test result & BOM PDF are added.
5.5V to 42VIN, 5VOUT @ 45A, 22.5A per phase93.54% efficiencySolution size: 2.5 inch x 3.8 inch maximum component height: 0.25 inch
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCI SMT Flat Wire High Current Inductor, 1.9 µH, 42.1 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance1.9 µH | Performance Rated Current42.1 A | Saturation Current @ 10%23 A | Saturation Current @ 30%52 A | DC Resistance1.2 mΩ | Self Resonant Frequency51 MHz | MaterialWE-PERM 2 |