RAJ240091GNP

3 to 7 Series Li-ion Battery Fuel Gauge IC

特性

Fully integrated battery management with capacity measurement and programmable protection
Supports 3 to 7 series Li-ion or Li-Polymer cells
Operation voltage range: 4.0V to 50V
Low Power Sleep Mode with Hardware Protection: (25uA typ.)
Memory: 128kB Code Flash, 4kB Data Flash, and 7kB SRAM
19 GPIO ports
Communication: I2C, UART, and CSI
High-precision A/D converters, 15-bit ADC for Voltage/Temperature, 18-bit coulomb counter
Protection: Short circuit, Charge/Discharge over current, Over/Under voltage
Regulator: 3.3V or 5.0V selectable
High-side N-channel MOSFET drive for charge/discharge control
Cell balancing
Compact 48-pin QFN package, 6.0mm x 6.0mm

查找电池电量计的其他产品

RAJ240091GNP Functional Diagram

RAJ240091GNP Functional Diagram

描述

The RAJ240091 is a Renesas Li-ion battery fuel gauge IC (FGIC), which consists of an MCU device and an AFE device in a single package. It features the RL78 CPU core with multiple low-power modes, enabling high performance during ultra-low power operation.

This fuel gauge IC includes control firmware stored in embedded flash memory, which manages the operation of its analog and digital circuits. Its core functions include measuring battery voltage, current, and temperature, estimating remaining capacity, and providing protection against overcurrent, overvoltage, and excessive temperature, as well as executing other battery management operations.

产品参数

属性	值
Series Cells	3 to 7 Cells
Supply Voltage (V)	4 - 50
Comm. Interface	I2C, UART
Flash Memory (KB)	128
Charge/Discharge FET Control	High / Low Side

封装选项

Pkg. Type	Pkg. Dimensions (mm)	Lead Count (#)
QFN	6 x 6 x 1.0	48

应用方框图

Humanoid battery management system block diagram features cell balancing and monitoring, charge and discharge protection, pack voltage and current sensing, battery pack control, communications, auxiliary power, and active cooling.

人形机器人电池管理系统

集成式人形机器人 BMS，可实现安全、实时的功率管理、保护及电池状态控制。

其他应用

E-Bike
E-Scooter
Pedal-Assist Bicycle
Power Tool
Vacuum Cleaner
Drone
Battery Backup System
Energy Storage System (ESS)

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模拟信号开关

Monolithic CMOS Analog Switches

模拟信号开关

Low-Voltage, Single Supply, Dual SPST, SPDT Analog Switches

模拟信号开关

Ultra Low ON-Resistance, +1.1V to +4.5V Single Supply, SPDT Analog Switch

电流感测放大器

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电流感测放大器

Micropower, Rail to Rail Input Current Sense Amplifier with Voltage Output

Single Power Supply Quad Comparator

Single Power Supply Quad Comparator

General-purpose Comparators Utilizing CMOS Process Suitable for Low Voltage, Low Power Consumption, and Fast Response

Small Package Single Power Supply Dual Comparator

Small Package Single Power Supply Dual Comparator

High Performance Comparator

High-speed Dual Comparator

非易失性存储器

256K, 32K x 8 Bit; 5 Volt, Byte Alterable EEPROM

非易失性存储器

64k, 8k x 8 Bit; 5 Volt, Byte Alterable EEPROM

DC/DC 转换器

带集成式高压侧 MOSFET 的 2.5A 稳压器，可用于同步降压或升压降压转换器

DC/DC 转换器

宽输入电压 1A 同步降压稳压器

DC/DC 转换器

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DC/DC 转换器

Wide VIN 800mA Synchronous Buck Regulator

RS-485/422、RS-232 和多协议收发器

5V, RS-485/RS-422 Transceiver with 16kV ESD Protection

RS-485/422、RS-232 和多协议收发器

±10kV ESD Protected, +125°C, 40Mbps, 5V, Full-Duplex, Full Fail-Safe RS-485/RS-422 Transceiver

RA Arm Cortex-M MCU

带有 48MHz Arm Cortex-M23 并集成有 24 位 Sigma-Delta ADC 的 32 位微控制器

RA Arm Cortex-M MCU

适用于 HMI 的 32 位微控制器，带有 48MHz Arm Cortex-M4 以及 LCD 控制器和电容式触控

Part Number	Status	Samples	Stock	Package	Lead Count (#)	Carrier Type	Moisture Sensitivity Level (MSL)	Pkg. Dimensions (mm)	Target applications	Pb (Lead) Free
RAJ240091A20GNP#HA3	Active	N/A	Out of Stock	QFN	48#	Tape & Reel	3	6 x 6 x 1.0	Industrial/Hi-power equipment, Battery Management Unit	Yes

完成您的设计

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多通道电源管理集成电路（PMIC）

包含三个同步降压稳压器和一个低压降线性稳压器的汽车摄像头电源管理 IC

运算放大器

高电压双极双路运算放大器，双电源、低噪声、内置相位校正电路，适用于工业产品

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模拟信号开关

Monolithic CMOS Analog Switches

模拟信号开关

Low-Voltage, Single Supply, Dual SPST, SPDT Analog Switches

模拟信号开关

Ultra Low ON-Resistance, +1.1V to +4.5V Single Supply, SPDT Analog Switch

电流感测放大器

Micropower, Rail-to-Rail Input Current Sense Amplifier with Voltage Output

电流感测放大器

Micropower, Rail to Rail Input Current Sense Amplifier with Voltage Output

Single Power Supply Quad Comparator

Single Power Supply Quad Comparator

General-purpose Comparators Utilizing CMOS Process Suitable for Low Voltage, Low Power Consumption, and Fast Response

Small Package Single Power Supply Dual Comparator

Small Package Single Power Supply Dual Comparator

High Performance Comparator

High-speed Dual Comparator

非易失性存储器

256K, 32K x 8 Bit; 5 Volt, Byte Alterable EEPROM

非易失性存储器

64k, 8k x 8 Bit; 5 Volt, Byte Alterable EEPROM

DC/DC 转换器

带集成式高压侧 MOSFET 的 2.5A 稳压器，可用于同步降压或升压降压转换器

DC/DC 转换器

宽输入电压 1A 同步降压稳压器

DC/DC 转换器

宽范围 VIN 500mA 同步降压稳压器

DC/DC 转换器

Wide VIN 800mA Synchronous Buck Regulator

RS-485/422、RS-232 和多协议收发器

5V, RS-485/RS-422 Transceiver with 16kV ESD Protection

RS-485/422、RS-232 和多协议收发器

±10kV ESD Protected, +125°C, 40Mbps, 5V, Full-Duplex, Full Fail-Safe RS-485/RS-422 Transceiver

RA Arm Cortex-M MCU

带有 48MHz Arm Cortex-M23 并集成有 24 位 Sigma-Delta ADC 的 32 位微控制器

RA Arm Cortex-M MCU

适用于 HMI 的 32 位微控制器，带有 48MHz Arm Cortex-M4 以及 LCD 控制器和电容式触控

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数据手册1

推荐文档 (1)

数据手册
英语
RAJ240091GNP Datasheet
RECOMMENDED
PDF 2.6 MB r01ds0452ej0100-raj240091 2025年3月31日

数据手册 (1)

数据手册
英语
RAJ240091GNP Datasheet
RECOMMENDED
PDF 2.6 MB r01ds0452ej0100-raj240091 2025年3月31日

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Partner Solutions (1)

Model-Based Development Platform
中文
Battery Management Systems
Offers electrochemical battery models designed to run on Renesas battery management solution platforms, enabling more accurate state estimation and improved overall battery performance.
提供方: BattGenie

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