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Texas Instruments TPS62042DRCRG4 — Power Management (PMIC / Gate Driver)

TPS62042DRCRG4 Step-Down Regulator, 1.2 A, 1.25 MHz

MPNTPS62042DRCRG4
End of Life

Texas Instruments TPS62042DRCRG4, synchronous step-down buck regulator, 1.2 A output, 2.5 V to 6 V input, fixed 1.5 V output, 1.25 MHz switching, -40°C to 85°C, 10-VSON (3x3) package.

Texas Instruments TPS62042DRCRG4 datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

TPS62042DRCRG4 specifications
ParameterValue
Output typeFixed
MountingSurface Mount
Voltage - input2.5V
Voltage - output (Min (Fixed))1.5V
Output current1.2A
Frequency - switching1.25MHz
I/O channels1
Operating temperature-40°C~85°C(TA)
PackageTape & Reel (TR)
FunctionStep-Down
TopologyBuck
Case10-VFDFN Exposed Pad
Output configurationPositive
Synchronous rectifierYes

Product details

The TPS62042DRCRG4: The 1.25 MHz switching frequency supports smaller inductor values. The fixed 1.5 V output means this part is a direct fit for powering 1.5 V logic rails — DDR memory VTT, low-voltage MCU cores, or sensor supplies — with no external divider resistors. The synchronous rectifier improves efficiency at light loads compared to a diode-based buck, which matters for battery-powered or always-on systems where quiescent current adds up.

Package and thermal — the exposed pad drives the layout

The 10-VSON (3x3) exposed pad package requires a thermal land pattern on the PCB. The 3x3 mm footprint fits two-layer boards with a ground plane under the pad.

This is a standard catalog part from Texas Instruments, available through independent distribution channels.

Frequently asked questions

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