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 RDS(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 VBUS pin can handle continuous voltage ranging from –7 V to 30 V. The over voltage lock-out (OVLO) at the VBUS pin ensures that if there is a fault condition at the VBUS line, TPD4S214 is able to isolate it and protect the internal circuitry from damage. Similarly, the under voltage lock out (UVLO) at the VOTG_IN pin ensures that there is no power drain from the internal OTG supply to external VBUS if VOTG_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.
Input Voltage Protection at VBUS 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 RDS(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 VBUS
Under Voltage Lock Out for VOTG_IN
Thermal Shutdown and Short Circuit Protection
Auto Retry on any Fault; No Latching Off States
Integrated VBUS Detection Circuit
Low Capacitance TVS ESD Clamp for USB2.0 High Speed Data Rate
