RAJ240045DNP

• Fully integrated battery management solution with battery capacity measurement and programmable protection capability.
• Supports 2-4 series Li-ion or Li-Polymer battery cells
• Integrated with Renesas Ultra Low Power RL78 CPU core for multi-function process
• Memory
  • Code flash memory: 64KB
  • Data flash memory (up to 100,000 erase/write cycles): 4 KB
  • SRAM: 4 KB
• Clock generator
  • High-Speed on-chip oscillator: up to 32 MHz
  • Low speed on-chip oscillator: 15 KHz
  • AFE on-chip oscillator: 4.194MHz
• General Purpose I/O Ports
  • Total: 12 pins
  • CMOS input/output: 6
  • CMOS input: 2
  • N-ch open drain: 2
  • High voltage input [VCC tolerance]: 1
  • High voltage output [VCC tolerance]: 1
• Serial interface
  • CSI (SPI): 1 channel
  • I2C: 1 channel
  • UART: 1 channel
  • Simplified I2C: 1 channel
• Timer
  • MCU 16-bit timer: 5 channels
  • MCU 12-bit interval timer: 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
  • AFE 15-bit resolution sigma-delta A/D converter
• Current integration circuit
  • 18-bit resolution sigma-delta A/D converter
• Impedance measurement circuit
  • Simultaneous measurement of battery voltage and current
• Over current detection circuit
  • Short circuit current detection
  • Charge overcurrent detection
  • Discharge overcurrent detection
  • Charge wakeup current detection
  • Discharge wakeup current detection
• Series regulator
  • 3.3V CREG2
  • 1.8V CREG1
• Charge and Discharge MOSFET control
  • High side Nch MOSFET drive circuit embedded
  • Programmable MOSFET control by 8-bit PWM
• Fuse control
  • FUSEOUT pin can support fuse blow function.
• Support Intel® Dynamic Battery Power Technology (Intel® DBPT) ^Note
• Voltage and temperature condition
  • Power supply voltage: VCC = 4.0 to 25 V
  • Operating ambient temperature: Ta = -20 to +85°C
• Package Information
  • 32 pin plastic mold QFN ([Body] 4.0 mm x 4.0 mm, 0.4 mm pitch)

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