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Product category: Power Supply ICs and Controllers
News Release from: Microchip Technology | Subject: MCP7381X family
Edited by the Electronicstalk Editorial Team on 28 March 2007

Charge-management controllers run from
USB

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Li-ion/Li-polymer charge-management controllers offer programmable charge currents up to 500mA.

Available now from Microchip, the cost-effective MCP7381X family of Li-ion/Li-polymer charge-management controllers offer programmable charge currents up to 500mA They feature integrated current sense, integrated pass transistor, thermal regulation and reverse battery protection, all in a 5-pin SOT-23 package

As they operate within USB output-power limits, the MCP7381X charge-management controllers can be powered via the USB ports on most PCs.

The charge-enable input of the new devices provides a very simple interface for designers to use.

The MCP73811 has a digital input and selectable USB charge currents of either 100 or 500mA, whereas the MCP73812 offers a user-programmable charge current via an external resistor.

The new devices are ideal for a range of consumer electronic devices, such as rechargeable toys and low-cost MP3 players.

Samples of the new devices are available now.

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