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Accessory Power & Communication Interface

General description

The AS3442 POW:COM host is a digital power and communication chip. The device is utilizing two signal lines for data transmission and power transfer to an accessory. The device is equipped with a standard I2C interface for data exchange with its client device (AS3447), an interrupt input as well as an enable pin. Combining these features together the device is ideally suited for True Wireless (TWS) headsets applications to reduce number of interconnects between charger cradle and earbud. A user-friendly I2C communication interface is assembled on both boards. The technical documentation and the software comes conveniently in one box with the evaluation board.

Please note that ams-OSRAM AG is discontinuing production of AS3442.

Other information

Type Description Language
Image AS3442 Eval Board Image English
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