Automotive High Current: Wide VIN Synchronous Buck Controller Reference Design Featuring LM5140-Q1
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
- 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
Applications
- Oscilloscopes & digitizers
- Digital multimeter (DMM)
- Full authority digital engine control (FADEC)
- Automotive test
- Radar
- Battery cell formation & test equipment
Product Categories
- Power management