TPS22918TDBVTQ1

Texas Instruments

Texas Instruments TPS22918TDBVTQ1, Automotive AEC-Q100, General Purpose Load Switch, High Side, N-Channel, 1 Output, 52 mOhm, 2 A, SOT-23-6, -40°C to 105°C.

Texas Instruments TPS22918TDBVTQ1
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MOQ 1 · Tape & Reel (TR); Cut Tape (CT) · RoHS · EIA-481 · DAP/DDP · T/T

Technical specifications

TPS22918TDBVTQ1 specifications
Parameter / AttributeSpecification / Value
SeriesAutomotive, AEC-Q100
Input typeNon-Inverting
Output typeN-Channel
TypeGeneral Purpose
MountingSurface Mount
Voltage - load1V ~ 5.5V
Voltage - supply (Vcc (Vdd))Not Required
Output current2A
I/O channels1
InterfaceOn/Off
Operating temperature-40°C~105°C(TA)
PackageTape & Reel (TR); Cut Tape (CT)
FeaturesLoad Discharge, Slew Rate Controlled
Rds on52mOhm
CaseSOT-23-6
Output configurationHigh Side
Ratio - Input:Output1:1

Technical details

52 mOhm Rds(on) — the conduction-loss floor for a 2 A automotive rail

The SOT-23-6 package keeps the footprint small, but the 2 A rating means the PCB copper area under the switch must handle the dissipation: at 2 A the I²R loss is 208 mW, which in still air at 105°C ambient pushes the junction temperature near the 150°C limit unless the pad is tied to a ground plane.

SOT-23-6 — what the reflow tech needs to know

The SOT-23-6 package is a standard small-outline transistor footprint with a 0.95 mm pitch and 1.9 mm body width. It places cleanly on a two-layer board with no via-in-pad requirement. The MSL rating for this package family is typically Level 1 (260°C reflow, unlimited floor life), so no pre-bake is needed before the reflow oven — it survives the profile without popcorning.

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