Flex Power Modules BMR473 series 40A digital PoL regulator
Flex Power Modules announces BMR473 series 40A digital PoL regulator
BMR473 is a digital Point of Load converter packaged in a space-saving SIP or horizontal mount format. The product is rated at 40A continuous and up to four can be paralleled for up to 160A, with synchronization and phase spreading for minimum EMI. Excellent thermal performance, a custom inductor design and efficiency levels up to 96.1% allow full load operation to 85 °C in free air (12V in/2.5V out) and up to 100°C ambient with suitable airflow and derating. Input is rated from 6V to 15V and the output is programmable from 0.6V to 5V.
A PMBus® interface is provided to enable monitoring and configuration, which includes input over- and under-voltage protection thresholds and output overcurrent limit. A programmable overtemperature protection limit is featured along with settable switching frequency and output rise/fall and on/off delay times. A power good signal is also provided. Output voltage can be set via the PMBus® or with external resistors. Back-channel communication between paralleled modules is implemented so that the modules can be represented by a single address, simplifying system software design.
The SIP version of the BMR473 is just 26.3 x 8.8 x 15.6 mm, occupying less than 2.3 cm2 board area. The solder bump version comes with following dimensions 19mm × 13mm ×7.5mm (L x W x H).
Features
- SIP or horizontal mount format
- Input 6V to 15V
- Output 0.6V to 5V
- Parallelable up to four units
- PMBUS®
- Supporting tools: evaluation board BMR473
- Supporting tools: Flex Power Designer tool
