深圳市科瑞芯电子有限公司

微源半导体 LP5307A DFN-8(2*3) 过电压和过电流保护IC

General Description

The LP5307A is a highly integrated circuits, it used to protect low voltage system from abnormal high input voltage. The IC continuously check the input voltage, the input current, and the battery voltage. When the protection status is occur, the power MOS will turn off at the same time. The LP5307A is safety devices to ensure worked against accidents. In case of the input voltage exceeds a OVP threshold voltage level, the power MOS will turn off within 1μs. The current limit can is adjustable by external resistor between ISET and GND. And the current is also limited to prevent charging the battery with an excessive current.

The LP5307A also monitors the Li-ion battery voltage, when the battery voltage exceeds 4.35V, the IC will turn off the MOS. Other features include over temperature protection and under-voltage lockout (UVLO).

The LP5307A is available in a space saving DFN-8 package.

Applications

◆ Cell Phones

◆ Digital Cameras

◆ Portable Instruments

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