RAA2270634GNPMA0中文资料瑞萨数据手册PDF规格书

特性 Features

▪ Wide VIN range: 4.5V to 60V (65V abs max)

▪ Switching frequency range up to 200kHz

▪ 3-Phase drive for BLDC application

• Peak 1A/2A source/sink current with

programmable drive strength

• Supports 8 adjustable levels of drive strength

through hardware interface and 16 adjustable

levels of drive strength through SPI interface

▪ Adaptive and adjustable dead time

▪ Fully integrated power supply architecture

• Two VCC LDOs allow for Sleep mode low IQ

• 500mA buck-boost switching regulator

generates drive voltage (5V to 15V adjustable)

• 200mA adjustable output LDO for MCU supplies

▪ Flexible configuration

• 3-phase HI/LI mode and 3-phase PWM mode

• Support half-bridge, full-bridge configuration

▪ Three current sense amplifiers

• Four levels of sense gain setting

• Supports DC offset calibration during power-up

and on-the-fly

• Supports both ground-side shunt sense or

low-side MOSFET rDS(ON) sense

▪ Back-EMF sensing for BLDC sensorless operation

▪ Features both hardware interface and SPI interface

▪ Extensive fault protection functions (VCC UV, VM/

VBRIDGE UV, charge pump UV, MOSFET VDS

OCP, current sense OCP, thermal

warning/shutdown, buck-boost current limiting,

buck-boost OCP, buck-boost UV/OV)

▪ Supports reverse battery protection by additional

external circuitry

▪ 7mm x 7mm 48 Ld QFN package (0.5mm pitch)

Applications

▪ Power tools, fans, pumps, E-bikes

▪ Industrial automation, robotics, drones