RAJ240047
Features
Fully integrated battery management product including battery capacity measurement and protection. Supports 2-4 Li-Ion or Li-Polymer battery cells in series. Ultra-low power Renesas RL78 CPU core Built-in flash memory (block erase/write protection)
- Flash ROM: 128KB
- Data flash: 4 KB Internal SRAM: 5.5 KB Current integrating circuit (18-bit ΔΣA/D) 15-bit ΔΣA/D converter (external 3 channels, internal 5 channels including simple temperature sensor) High side N-ch FET control circuit for charge and discharge current protection Overcurrent detection circuit (discharge short-circuit current (2 channels), charge/discharge overcurrent, and wake-up current) Battery voltage detection circuit (4 cells) Battery cell conditioning circuit (4 cells) Pack+ terminal voltage detection circuit FUSE control circuit MCU built-in high speed on-chip clock generator AFE on-chip oscillator clock (4.194 MHz) MCU runaway detection circuit MCU build-in watchdog timer Series regulator (VREG2: 3.3 V,...