Datasheet > RAJ240075DNP

RAJ240075DNP

更新时间： 2024-11-08 14:57:31

品牌	Logo	应用领域
瑞萨 - RENESAS		电池仪表
页数	文件大小	规格书
58页	4506K
描述
2 to 5 Series Li-ion Battery Fuel Gauge IC

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RAJ240075DNP 数据手册

R01DS0316EJ0104

Rev.1.04

RAJ240071 / RAJ240075

2 to 5 Series Li-ion Battery Manager

Dec. 14, 2018

1. Introduction

1.1

Features

 Fully integrated battery management solution with

battery capacity measurement and programmable

protection capability.

 Impedance measurement circuit

Simultaneous measurement of battery voltage and current

 Over current detection circuit

Short circuit current detection

 Supports up to 5 Li-ion or Li-Polymer battery cells in

series.

Charge overcurrent detection

 Integrated with Renesas Ultra Low Power RL78 CPU core

for multi-function process

 Memory

Discharge overcurrent detection

Charge wakeup current detection

Discharge wakeup current detection

Code flash memory: 32 to 64 KB

Data flash memory (up to 100,000 erase/write cycles): 4 KB

SRAM: 1.5 to 4 KB

 Series regulator

3.3V CREG2

 Clock generator

1.8V CREG1

High speed on-chip oscillator: up to 32 MHz

Low speed on-chip oscillator: 32 KHz

AFE on-chip oscillator: 4.194MHz

 General Purpose I/O Ports

Total: 11 pins

 Charge and Discharge MOSFET control

High side Nch MOSFET drive circuit embedded

Programmable MOSFET control by 8-bit PWM

CMOS input/output: 6

 Fuse control

CMOS input: 2

FUSEOUT pin can support fuse blow function.

N-ch open drain: 2

High voltage output [VCC tolerance]: 1

 Serial interface

 Intel® Dynamic Battery Power Technology support

CSI (SPI): 1 channel

 Voltage and temperature condition

I2C: 1 channel

Power supply voltage: VCC = 4.0 to 25 V

Operating ambient temperature: Ta = -20 to +85°C

UART: 1 channel

Simplified I2C: 1 channel

 Timer

 Package Information

MCU 16-bit timer: 3 channels

MCU 12-bit interval timer: 1 channel

AFE timer: 2 channels

32 pin plastic mold QFN

([Body] 4.0 mm x 4.0 mm, 0.4 mm pitch)

AFE timer A: setting range: 125 ms to 64 s

 Device Lineup

AFE timer B: setting range：30.52 us to 125 ms

Device

Flash ROM Data Flash

RAM

1.5KB

4KB

 Embedded A/D converter

4KB

RAJ240071

RAJ240075

32KB

64KB

AFE 15-bit resolution sigma-delta A/D converter

 Current integration circuit

18-bit resolution sigma-delta A/D converter

1.2

Applications

• E-Bike, E-Scooter, Pedal-Assist Bicycle

• Power Tool, Vacuum Cleaner, Drone

• Battery Backup System, Energy Storage System (ESS)

1.3

Description

RAJ240071 and RAJ240075 (hereafter these are written as RAJ24007X) are Renesas Li-ion battery fuel gauge IC (FGIC)

which consists of a MCU device and an AFE device in a single package. Pack with a variety of battery management features

and Renesas RL78 CPU core which has multiple low power modes and capable of achieving high performance in ultra-low

power operation. RAJ24007X fuel gauge IC has control firmware stored in embedded flash memory to control attached

embedded analog and digital circuits to execute battery voltage / current / temperature measurement, remaining capacity

estimation, over current / voltage / temperature protection and other battery management operations.

R01DS0316EJ0104 Rev.1.04

Dec. 14, 2018

Page 1 of 58

12 3 4 5 6 7...58

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