The RAJ240080A20DFP#BC0 is a Li-ion battery management and fuel gauge IC that supports two to five series connected cells. This device provides complete battery and pack monitoring and control, including automatic shutdown and recovery from out-of-bounds conditions, automatic cell balancing, and high accuracy remaining state of charge reporting.
The RAJ240080 combines an RL78 MCU and tailored analog front end to serve as a programmable standalone battery management solution.
Feature
- Two to five cell voltage monitors support various Li-ion chemistries
- Flexible, stand-alone pack control with built-in microcontroller
- Programmable voltage protection and overcurrent protection levels
- Programmable detection/recovery times for overvoltage, undervoltage, overcurrent, and short-circuit conditions
- Integrated charge/discharge FET drive circuitry with a built-in charge pump supports high-side N-channel FETs
- Selectable cell balancing using internal FETs
- Multiple low power modes
- Charge or discharge current detection resumes normal scan rates
