Datasheet > RAA227063

RAA227063

更新时间： 2024-11-30 14:58:23

品牌	Logo	应用领域
瑞萨 - RENESAS		栅
页数	文件大小	规格书
74页	3691K
描述
Smart 3-Phase Gate Driver

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RAA227063 数据手册

Datasheet

RAA227063

4.5V to 60V 3-Phase Smart Gate Driver

The RAA227063 is a smart gate driver IC for 3-phase

Brushless DC (BLDC) motor applications. It

Features

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

integrates three half-bridge smart gate drivers that are

capable of driving up to three N-channel MOSFET

bridges and supports bridge voltages from 4.5V to

60V. Each gate driver supports up to 1A source and

2A sink peak drive current with programmable drive

strength control. Adjustable and adaptive dead-times

are implemented to ensure robustness and flexibility.

The active gate holding mechanism prevents a Miller

effect-induced cross-conduction and further

▪ 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

enhances robustness.

▪ Fully integrated power supply architecture

The device integrates power supplies that power

internal analog and logic circuitry, high-side and

low-side drivers, and a dedicated supply for powering

external microcontrollers. The device also features a

low-power Sleep mode that consumes only 20µA to

maximize battery life in portable applications.

• Two VCC LDOs allow for Sleep mode low I

• 500mA buck-boost switching regulator

generates drive voltage (5V to 15V adjustable)

• 200mA adjustable output LDO for MCU supplies

▪ Flexible configuration

The driver control inputs can be configured to either

3-phase LI/HI or 3-phase PWM modes. Three

accurate differential amplifiers with adjustable gain

are integrated to support ground-side shunt current

• 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

sensing or low-side r

current sensing for each

DS(ON)

• Supports DC offset calibration during power-up

and on-the-fly

bridge. The device can also support sensorless

operation using back EMF in brushless DC motors.

• Supports both ground-side shunt sense or

The device can be configured to use either a

hardware interface or SPI interface. For hardware

interface configuration, key driver operating

parameters can be set using resistor pin-straps. For

SPI configuration, all the parameters can be set

through the SPI Bus, which allows better monitoring.

low-side MOSFET r

sense

DS(ON)

▪ 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

Extensive protection functions include bridge voltage

UV protection, buck-boost OV/UV/OC protection,

charge pump UV protection, MOSFET drain-to-

source voltage OC protection, current sense

overcurrent protection, thermal warning, and

shutdown. Fault conditions are indicated on a

dedicated nFAULT pin and in SPI status registers.

warning/shutdown, buck-boost current limiting,

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

▪ Supports reverse battery protection by additional

external circuitry

▪ 7mmx7mm 48 Ld QFN package (0.5mm pitch)

Applications

▪ Power tools, fans, pumps, E-bikes

▪ Industrial automation, robotics, drones

R16DS0045EU0103 Rev.1.03

Aug 5, 2022

Page 1

12 3 4 5 6 7...74

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与RAA227063相关器件

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RAA230123	RENESAS	获取价格	16V Input, 3A, Step-Down DC/DC Converter
RAA23012X	RENESAS	获取价格	16V Input, 3A, Step-Down DC/DC Converter
RAA230131	RENESAS	获取价格	16V Input, 3A, Step-Down DC/DC Converter
RAA230132	RENESAS	获取价格	16V Input, 3A, Step-Down DC/DC Converter

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