MC34827A2EP

Micro/Mini USB Interface IC, 28V over-voltage protection, QFN 20; • Automatically Identifies the Power Supply Type and Sets One of Two Battery-Charge-Current Levels\n• Internal Power Switch Protects the Phone System against 28V Power Supply Input\n• Supports Stereo/mono Headset with or without Micro Phone and Remote Control\n• Supports USB or UART Test and R/D cables\n• High-Speed USB2.0 Compliant\n• Supports 32 ID resistance values with a High-Accuracy 5-bit ADC\n• I2C Interface with Interrupt to the Host\n• 10μA Quiescent Current in Standby Mode\n;

The NXP® MC34827 is a dedicated integrated circuit (IC) for managing charging and signal multiplexing between a cell phone and its accessory via a 5-pin Mini or Micro-USB connector.\nAn external power source, such as a dedicated ac/dc adapter or a standard USB port, is able to charge the battery in the cell phone via the connector\nThe MC34827 is capable of identifying the type of the external power source and selecting one of two battery charge current levels according to the type\n