RAJ240310GNP

Features

• Fully integrated battery management solution with battery capacity  measurement and programmable protection capability.
• Supports 3-10 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: 4.19MHz, AFE low speed on-chip oscillator: 131.072 KHz
• General Purpose I/O Ports: Total: 15 pins, CMOS input/output: 6 pins, CMOS input: 2 pins, N-ch open drain input/output [6.5V tolerance]: 2 pins, N-ch open drain input/output [VREG2 tolerance]: 2 pins, High voltage input/output [VCC tolerance]: 3 pins
• Serial interface: CSI (SPI): 1 channel, I2C: 1 channel, UART: 2 channels, 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 msec to 64 sec, AFE timer B: setting range: 30.52 usec to 2 sec )
• Embedded A/D converter: AFE 15-bit resolution delta-sigma A/D converter
• Current measurement circuit: AFE 18-bit resolution delta-sigma A/D converter
• Battery cell voltage and temperature (AN port voltage) detection circuit: Monitoring over/under voltage and temperature by delta-sigma, A/D converter (AFE) without controlling from MCU
• Impedance measurement circuit: Simultaneous measurement of battery voltage and current
• Over current detection circuit: Short circuit: 1 filter, Discharge over current: 4 filters, Charge over current: 1 filter, Charge wakeup: 1 filter, Discharge wakeup: 1 filter
• Series regulator: 3.3 V output (> 20mA)
• Charge and Discharge MOSFETs control: Low side N-ch Dual MOSFETs drive circuit embedded, Support individual FET control
• Low Power mode: 
• Low Power Mode (< 25uA): RAM Retention, LF Oscillator
• Power Down Mode (< 2uA)
• Additional features: Internal Cell Balancing Circuit (>10mA), Internal Watchdog Timer (MCU), MCU Runaway Detection Circuit (AFE), 4 Thermistor Sensor Ports with On-chip Pull-up Resistors, Integrated Hardware Diagnostics function, Load detection circuit, Random cell connection tolerant
• Voltage and temperature condition
• Power supply voltage: VCC = 8.0 to 50V, Operating Ambient Temperature: Ta = -40°C to 85°C
• Package Information: 40pin QFN Package ([Body] 5 mm x 5 mm, 0.4 mm pitch)

Comparison

Applications