USB OTG Companion Device With Vbus Overvoltage, Overcurrent Protection, and Four-Channel ESD Clamp

USB OTG Companion Device With Vbus Overvoltage, Overcurrent Protection, and Four-Channel ESD Clamp - TPD4S214


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
  • Internal 16ms Startup Delay
  • Space Saving WCSP (12-YFF) Package
  • UL Listed and CB File No. E169910

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Parametrics Compare all products in Application-Specific Port Protection

IO Capacitance (Typ) (pF)
Breakdown Voltage (Min) (V)
IEC 61000-4-2 Contact (+/- kV)
IEC 61000-4-2 Air-Gap (+/- kV)
IO Leakage Current (Max) (nA)
Operating Temperature Range (C)
Package Group
Package Size: mm2:W x L (PKG)
Dynamic Resistance (Typ) (Ω)
Clamping Voltage (V)
TPD4S214 TPD1S414 TPD1S514 TPD4S014
2        1.5   
6    6    6    6   
15    15    15    15   
15    15    15    15   
USB 2.0    USB 2.0
USB 3.0   
USB 2.0
USB 3.0   
USB 2.0   
Current Limit
Over Voltage Protection   
Over Voltage Protection
Surge Protection   
Over Voltage Protection
Surge Protection   
Over Voltage Protection   
Uni-Directional    Uni-Directional    Uni-Directional    Uni-Directional   
100    1000      1000   
Catalog    Catalog    Catalog    Catalog   
-40 to 85    -40 to 85    -40 to 85    -40 to 85   
DSBGA        WSON   
See datasheet (DSBGA)        See datasheet (WSON)   
1        1   
9      8    15   

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