TPB7462

4s High Accuracy Secondary Hardware Protector With CTL and LDO

Datasheet

TPB7462.pdf

Features

  • Maximum Voltage Input 28V

  • Wide Operation Voltage Range from 4V to 24V

  • Low Current Consumption

    − Normal Mode 4μA at +25°C

    − Shutdown Mode 0.4μA at +25°C

  • High Accuracy Voltage Detection Circuit for each cell

    − Programmable Overcharge Threshold Voltage from 4.1V to 4.8V in 50mV step

    − Overcharge Threshold Accuracy ±20mV(+25°C)

    − Overcharge Threshold Accuracy ±25mV (-10°C to +60°C)

    − Overcharge Hysteresis Voltage −380mV

  • Internal Delay Timer for Overcharge

    − Selectable Overcharge Detection Delay Time 2s, 4s, 6s, and 8s

    − Selectable Delay Time for Shutdown 2s, 4s, 6s, and 8s

  • High CO Pull Up Voltage

    − Selectable CMOS Active High or Low output

  • Test Mode to Shorten Mass Production Time

  • Integrated Linear Regulator

    − Selectable LDO Output 3.0V, and 3.3V

    − LDO output Cut off Voltage 2.5V

    − Output Current 2mA

    − Short Circuit Protector

Applications

  • Notebook

  • Portable Equipment

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