1 Features
1• Dual Single-Pole Double-Throw (SP2T) USB 2.0
High Speed Switch
– UART Path Supports either UART or USB 2.0
High Speed Signals
• Integrated Single-Cell Charger
– Integrated Low Dropout Linear Regulator
(LDO)
– 1% Charge Voltage Regulation Accuracy
– 8% Charge Current Accuracy
– Programmable Charging Current Limit up to
950 mA for Wall Adapters
• USB Battery Charging Specification v1.1 (BCv1.1)
Compliant Charger Detection
– VBUS Detection
– Data Contact Detection
– Primary and Secondary Detection
– USB Chargers (DCP, CDP, SDP) Supported
• 5-bit Accessory Detection on ID pin
– Automatic Switching by Accessory Type
• I2C Interface
– Manual Switching Capability
– Interrupts Generated for Attach and Detach
– Supports Control Signals Used in
Manufacturing (JIG, BOOT)
• 28-V Tolerance on VBUS Pin With Overvoltage
Protection
• Thermal Regulation and Thermal Shutdown for
Output Current Control
• JESD 22 ESD Performance
– 12-kV Human Body Model
(VBUS/DP_CON/DM_CON/ID_CON)
– 2-kV Human Body Model (All Other Pins)
• IEC ESD Performance
– ±4-kV Contact Discharge (IEC 61000-4-2)
(VBUS/DP_CON/DM_CON/ID_CON to GND)
• Surge Protection on
VBUS/DP_CON/DM_CON/ID_CON to GND
– Protects USB Connector Pins Without External
Components

2 Applications
• Mobile Phones
• Netbooks/Notebooks
• Tables
• Portable Handheld Devices

3 Description
The TSU8111 is a dual single-pole double-throw
(SP2T) micro-USB switch with an integrated linear
charger. The integrated charger eliminates the need for an external charger IC, reducing cost and board
space. The device operates from either a USB port or
dedicated charger and supports charging currents of
up to 950 mA. Power for the device is supplied
through VBAT or through VBUS when attached. The
TSU8111 detects BCv1.1-compatible chargers as
well as accessories that use an ID resistor. The USB
switch matrix can be controlled either by automatic
detection or manually through I2C.