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Texas Instruments TPS254900AIRVCTQ1 — Power Management (PMIC / Gate Driver)

TPS254900AIRVCTQ1 USB Power Switch, Automotive AEC-Q100

MPNTPS254900AIRVCTQ1
Active

Texas Instruments TPS254900AIRVCTQ1, Automotive AEC-Q100 USB power switch, 1-channel low-side N-Channel, 3.2A max, 4.5V-6.5V supply, 20-WQFN exposed pad, -40°C~85°C.

$3.6900Ref. price · indicative, final on quote
Packaging20-WFQFN Exposed Pad
RoHSROHS3 Compliant
SeriesAutomotive, AEC-Q100
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

TPS254900AIRVCTQ1 specifications
ParameterValue
SeriesAutomotive, AEC-Q100
Input typeDifferential
Output typeN-Channel
TypeUSB Switch
MountingSurface Mount
Voltage - load0.5V ~ 0.7V
Voltage - supply (Vcc (Vdd))4.5V ~ 6.5V
Output current3.2A
I/O channels1
Operating temperature-40°C~85°C(TJ)
PackageTape & Reel (TR); Cut Tape (CT)
Case20-WFQFN Exposed Pad
Fault protectionCurrent Limiting, Over Voltage, UVLO
Output configurationLow Side
Ratio - Input:Output1:1

Product details

USB power switch for automotive charging ports

It delivers up to 3.2 A continuous output from a 4.5 V to 6.5 V supply rail, making it a direct fit for USB charging ports in infotainment consoles, rear-seat entertainment, and telematics control units. The integrated fault protection set — current limiting, over-voltage, and undervoltage lockout (UVLO) — reduces external component count and simplifies the BOM for a dedicated charging port.

The 3.2 A current rating covers the USB dedicated charging port profile. The low-side N-Channel output configuration with a 1:1 input-to-output ratio means the switch sits between the load and ground. The differential input type allows the switch to work with USB data-line handshaking for charger detection. Fault protection is self-contained: current limiting prevents latch-up under a short, over-voltage protection clamps the output if the input rail spikes, and UVLO holds the switch off until the supply is stable.

It is ROHS3 compliant. No second-source or pin-compatible alternate is documented in the Texas Instruments portfolio for this exact automotive-grade ordering code.

Frequently asked questions

Does TPS254900AIRVCTQ1 work for automotive USB charging?

Yes. It is AEC-Q100 qualified and operates over a -40°C to 85°C junction temperature range, covering cabin and under-dash automotive environments. The 3.2 A output supports USB BC1.2 and fast-charge protocols for dedicated charging ports in infotainment and telematics systems.

Does TPS254900AIRVCTQ1 have an equivalent part from Texas Instruments or another brand?

No pin-compatible equivalent or second-source alternate is documented in the Texas Instruments portfolio for this exact automotive-grade ordering code. The base product number is TPS254900; other suffix variants may differ in package, temperature grade, or qualification.