Texas Instruments TPD4S311YBFR
- Part Number:
- TPD4S311YBFR
- Manufacturer:
- Texas Instruments
- Ventron No:
- 6395030-TPD4S311YBFR
- Description:
- USB Type-C? port protector: short-to-Vbus overvoltage and IEC ESD protection
- Datasheet:
- tpd4s311
- Number of switches4
- IEC 61000-4-2 air-gap (±V)15000
- FeaturesCC dead battery resistors
- Bi-/uni-directionalUnidirectional
- RatingCatalog
- Operating temperature range (°C)-40 to 85
- Clamping voltage (V)8
- Interface typeUSB Type-C
The TPD4S311 is a single-chip USB Type-C port protection device that provides 20-V Short-to-VBUS overvoltage and IEC ESD protection.
Since the release of the USB Type-C connector, many products and accessories for USB Type-C have been released that do not meet the USB Type-C specification. One example of this is USB Type-C Power Delivery adaptors that only place 20 V on the VBUS line. Another concern for USB Type-C is that mechanical twisting and sliding of the connector could short pins due to the close proximity they have in this small connector. This can cause 20-V VBUS to be shorted to the CC and SBU pins. Also due to the proximity of the pins in the Type-C connector, there is a heightened concern that debris and moisture will cause the 20-V VBUS pin to be shorted to the CC and SBU pins.
These non-ideal equipments and mechanical events make it necessary for the CC and SBU pins to be 20-V tolerant, even though the pins only operate at 5 V or lower. The TPD4S311 enables the CC and SBU pins to be 20-V tolerant without interfering with normal operation by providing over-voltage protection on the CC and SBU pins. The device places high voltage FETs in series on the SBU and CC lines. When a voltage above the OVP threshold is detected on these lines, the high voltage switches are opened up, isolating the rest of the system from the high voltage condition present on the connector.
Finally, most systems require IEC 61000-4-2 system level ESD protection for external pins. The TPD4S311 integrates IEC 61000-4-2 ESD protection for the CC1, CC2, SBU1, and SBU2 pins, eliminating the need to place high voltage TVS diodes externally on the connector.
Overvoltage Protection Controller 16-DSBGA (1.69x1.69)
USB Device Type-C Four Channel 2.7 to 4.5 16-Pin DSBGA
IC OVERVOLTAGE PROT CTRL 16DSBGA
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