Texas Instruments TPS254900AIRVCRQ1, Automotive AEC-Q100 USB Switch, Low Side, 1 Output, 3.2A, 4.5V-6.5V Supply, 20-WFQFN Exposed Pad, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Series | Automotive, AEC-Q100 |
| Input type | Differential |
| Output type | N-Channel |
| Type | USB Switch |
| Mounting | Surface Mount |
| Voltage - load | 0.5V ~ 0.7V |
| Voltage - supply (Vcc (Vdd)) | 4.5V ~ 6.5V |
| Output current | 3.2A |
| I/O channels | 1 |
| Operating temperature | -40°C~85°C(TJ) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Case | 20-WFQFN Exposed Pad |
| Fault protection | Current Limiting, Over Voltage, UVLO |
| Output configuration | Low Side |
| Ratio - Input:Output | 1:1 |
Over-voltage protection and UVLO are sized for the 12 V battery rail where load-dump and cranking events push the bus outside the normal 4.5 V to 6.5 V operating window. Current limiting prevents the USB port from collapsing the supply during a short.
Surface-mount assembly with the pad soldered to a copper plane is assumed for the 3.2 A output rating.
Buyers need to know authorized distributors to ensure genuine parts and competitive pricing.
Engineers need to verify specifications and pinout for design-in validation.
Sourcing buyers compare prices across distributors to optimize BOM cost.
Immediate availability affects production timelines and expedite fees.
If the part is obsolete or unavailable, maintenance techs and brokers need drop-in alternatives.
Designers and sourcing teams evaluate cross-reference options for second sourcing or cost reduction.