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1 Features

? Integrate Advanced Power MOSFET with Equivalent of 48m? RSS(ON)

? Low Current Consumption Operation Mode: 2.8μA typ. Power-down Mode: 1.6μA typ.

? Charge over voltage protection and release

? Discharge under voltage protection and release

? Two-step Overcurrent Detection: Over discharge Current Load Short Circuiting

? Over-temperature Protection

? Support 0V battery charging function

? Ultra-small SOT23-5 Package

2 Applications

? One-Cell Lithium-ion Battery Pack

? Lithium-Polymer Battery Pack

? Wearable device ? Power Bank

3 Description The

MX4131 is a single chip protection solution specially designed for 1-cell Li+ rechargeable battery pack application. Also it integrates highly accurate detection circuits and detection delay circuits to prevent batteries from over-charging, over-discharging, over-current discharging and over-current charging. The MX4131 consumes very low standby current for cell longtime storing. The integrated low-Rdson MOSFET ensures that battery delivers the maximum power. The device is not only targeted for digital cellular phones, but also for any other Li-Ion and Li-Poly battery-powered information appliances requiring longterm battery. The MX4131 is available in SOT23-5 package.