1 Features

• Input Voltage Protection at V_BUS from –7 V to 30 V
• IEC61000-4-2 Level 4 ESD Protection
  • ±15-kV Contact Discharge
  • ±15-kV Air Gap Discharge
• IEC 61000-4-5 Surge Protection
  • 7.8 A (8/20 μs)
• Low R_DS(ON) N-CH FET Switch for High Efficiency
• Compliant with USB2.0 and USB3.0 OTG spec
• User Adjustable Current Limit From 250 mA to Beyond 1.2 A
• Built-in Soft-start
• Reverse Current Blocking
• Over Voltage Lock Out for V_BUS
• Under Voltage Lock Out for V_{OTG_IN}
• Thermal Shutdown and Short Circuit Protection
• Auto Retry on any Fault; No Latching Off States
• Integrated V_BUS Detection Circuit
• Low Capacitance TVS ESD Clamp for USB2.0 High Speed Data Rate
• Internal 16ms Startup Delay
• Space Saving WCSP (12-YFF) Package
• UL Listed and CB File No. E169910

2 Applications

• Cell Phones
• Tablet, eBook
• Portable Media Players
• Digital Camera

3 Description

The TPD4S214 is a single-chip protection solution for USB On-the-Go (OTG) and other current limited USB applications. This device includes an integrated low R_DS(ON) N-channel current limited switch for the OTG current supply to peripheral devices. TPD4S214 offers low capacitance transient voltage suppression (TVS) electrostatic discharge (ESD) clamping diodes for the D+, D–, and ID pins for both USB2.0 and USB3.0 applications. The V_BUS pin can handle continuous voltage ranging from –7 V to 30 V. The over voltage lock-out (OVLO) at the V_BUS pin ensures that if there is a fault condition at the V_BUS line, TPD4S214 is able to isolate it and protect the internal circuitry from damage. Similarly, the under voltage lock out (UVLO) at the V_{OTG_IN} pin ensures that there is no power drain from the internal OTG supply to external V_BUS if V_{OTG_IN} droops below a safe operating level. When EN is high, the OTG switch is activated and the FLT pin indicates whether there is a fault condition. The soft start feature waits 16 ms to turn on the OTG switch after all operating conditions are met.

1. For all available packages, see the orderable addendum at the end of the datasheet.

4 Simplified Schematic