描述 Description

RAJ240071 and RAJ240075 (hereafter these are written as RAJ24007X) are Renesas Li-ion battery fuel gauge ICs (FGIC) which consists of an MCU device and an AFE device in a single package. Packed 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.

特性 Features

? 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: 32KB (RAJ240071), 64KB (RAJ240075)
? Data flash memory (up to 100,000 erase/write cycles): 4KB
? SRAM: 1.5KB (RAJ240071), 4KB (RAJ240075)

應(yīng)用 Application

? Li-ion Battery Management Solution