1.1 Features
◼ Fully integrated battery management solution with
battery capacity measurement and programmable
protection capability.
◼ Supports up to 10 Li-ion or Li-Polymer battery cells in
series. RAJ240090 supports 3 to 8 series cells,
RAJ240100 supports 3 to 10 series cells.
◼ Integrated with Renesas Ultra Low Power RL78 CPU core
for multi-function process
◼ Memory
Code flash memory: 128KB
Data flash memory (up to 100,000 erase/write cycles): 4 KB
SRAM: 7KB
◼ Clock generator
High speed on-chip oscillator: up to 32 MHz
Low speed on-chip oscillator: 32 KHz
AFE high speed on-chip oscillator: 4.194 MHz
AFE low speed on-chip oscillator: 131.072 KHz
◼ General Purpose I/O Ports
Total: 31 pins
CMOS input/output: 20
CMOS input: 4
N-ch open drain Input/output [6V tolerance]: 4
High voltage input/output [VCC tolerance]: 3
◼ Serial interface
CSI (SPI): 2 channels
I2C: 1 channel
UART: 2 channels
Simplified I2C: 2 channels
CAN interface (RS-CAN lite): 1 channel
◼ Timer
MCU 16-bit timer: 6 channels
MCU 12-bit interval timer: 1 channel
MCU Real time clock: 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