RAJ240080 is 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. RAJ240080 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.


  • Fully integrated battery management solution with battery capacity measurement and programmable protection capability.
  • Supports up to 5 Li-ion or Li-Polymer battery cells in series.
  • Integrated with Renesas Ultra Low Power RL78 CPU core for multi-function process
  • Memory Code flash memory: 64KB Data flash memory (up to 100,000 erase/write cycles): 4 KB SRAM: 5.5KB
  • Clock generator 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: 22 pins CMOS input/output: 16 CMOS input: 2 High voltage input [VCC tolerance]: 1 High voltage input/output [VCC tolerance]: 1
  • Serial interface CSI (SPI): 1 channel I2C: 1 channel UART: 2 channels Simplified I2C: 1 channel
  • Timer MCU 16-bit timer: 5 channels MCU 12-bit interval timer: 1 channel AFE timer: 2 channels AFE timer A: setting range: 125 ms to 64 s AFE timer B: setting range:30.52 us to 125 ms
  • Embedded A/D converter AFE 15-bit resolution sigma-delta A/D converter
  • Current integration circuit 18-bit resolution sigma-delta A/D converter
  • Impedance measurement circuit Simultaneous measurement of battery voltage and current
  • Over current detection circuit Short circuit current detection Charge overcurrent detection Discharge overcurrent detection Charge wakeup current detection Discharge wakeup current detection
  • Series regulator 3.3V CREG2 1.8V CREG1
  • Charge and Discharge MOSFET control High side Nch MOSFET drive circuit embedded Programmable MOSFET control by 8-bit PWM
  • Fuse control FUSEOUT pin can support fuse blow function.
  • Intel® Dynamic Battery Power Technology support
  • Voltage and temperature condition Power supply voltage: VCC = 4.0 to 28 V Operating ambient temperature: Ta = -20 to +85°C
  • Package Information 48 pin plastic mold QFP ([Body] 9.0 mm x 9.0 mm, 0.5 mm pitch)


文档标题 language 类型 文档格式 文件大小 日期
star RAJ240080 Data Sheet 数据手册 PDF 2.12 MB
AN1681: Grounding Techniques 应用文档 PDF 509 KB
AN1684: Nonideality of Ground 应用文档 PDF 397 KB
Unification of a JEDEC tray and a embossed carrier tape for LQFP package (Additional Information & Correction) 日本語 产品变更通告 PDF 4.86 MB
Unification of a JEDEC tray and a embossed carrier tape for LQFP package ( PC-WRP-A001B/E ) 日本語 产品变更通告 PDF 3.74 MB
Unification of a JEDEC tray and a embossed carrier tape for LQFP package ( PC-WRP-A001A/E ) 日本語 产品变更通告 PDF 1.46 MB
[Notes] Renesas Flash Programmer 日本語 Tool News - Note PDF 29 KB
Battery Fuel Gauge IC Starter Kit 手册 PDF 207 KB
[Flyer] 闪存编程器 PG-FP6 English, 日本語 传单 PDF 345 KB
可靠性手册 其他 PDF 15.93 MB



类型 日期 升序排列
Low Dose Rate Acceptance Testing 基本页面 2020年3月26日
Standard Data Package 基本页面 2020年3月20日
Rad Hard SMD Test Flow 基本页面 2020年3月20日
Rad Hard Test Reports 基本页面 2020年3月20日