TSU6721

SCDS338B – JANUARY 2013 – REVISED JUNE 2013

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These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

DESCRIPTION

TSU6721 is a high performance USB port multimedia switch featuring automatic switching and accessory

detection. The device connects a common USB port to pass audio, USB data, charging, On The Go (OTG) and

factory mode signals. The audio path has negative signal capability includes left (mono/stereo), right (stereo) as

well as microphone signals. Furthermore, TSU6721 is compatible with the MCPC specification.

TSU6721 features impedance detection which supports the detection of various accessories that are attached

through DP, DM and ID pins of the USB connector. The switch is controlled by automatic switching or manually

TSU6721 has an integrated low resistive Load Switch that is used to isolate the charger from the external

connector. OverVoltage Protection and programmable OverCurrent Limiter/Protection are additional features

included to the Load Switch.

The charger detection satisfies USB charger specification v1.2. In addition to DCP, CDP and SDP, the device

also detects Apple Chargers.

Power for this device is supplied through VBAT of the system or through VBUS when attached. TSU6721

supports factory mode testing when a USB/UART JIG cable is used in development and manufacturing.

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