• Part: RAJ240047
  • Description: Integrated Li-ION Battery Management
  • Manufacturer: Renesas
  • Size: 2.58 MB
Download RAJ240047 Datasheet PDF
Renesas
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,...