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tps2051bdr

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by Ray

Texas Instruments AC-DC Controllers and Regulators, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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TPS2051BDR

Texas Instruments · AC-DC Controllers and Regulators · SOIC-8

TPS2051BDR from Texas Instruments, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 GND power_in Device ground reference. All voltages in the datasheet are referenced to this pin.
2 IN power_in Input supply voltage, 2.7V to 5.5V. Source for the internal 70mΩ high-side MOSFET power switch. Pins 2 and 3 are internally tied together and should both be connected to the input rail; a 0.1µF ceramic decoupling capacitor from IN to GND is recommended.
3 IN power_in Input supply voltage, 2.7V to 5.5V (second IN pad). Internally tied to pin 2; connect both pins to the input rail to share the pad current.
4 EN input Enable input, active-high (TPS205xB series). Drive high (VIH ≥ 2V) to turn on the power switch; drive low (VIL ≤ 0.8V) to turn it off. Input current ±0.5µA over 0V to 5.5V. Do not float.
5 OC output Overcurrent fault, open-drain, active-low (asserted logic-low during current limit or thermal shutdown). Requires an external pull-up resistor to a logic rail. Fault is deglitched to reject transient inrush events, and does not glitch during power-up.
6 OUT power_out Power-switch output, switched IN through the internal 70mΩ MOSFET. Continuous output current rated 500mA; internally current-limited (0.75A to 1.25A) with short-circuit protection. Pins 6, 7, 8 are internally tied together and should all be connected to the load; recommend a 22µF/0.1µF bulk+bypass network on OUT.
7 OUT power_out Power-switch output (second OUT pad). Internally tied to pins 6 and 8; connect all three to the load rail to share current.
8 OUT power_out Power-switch output (third OUT pad). Internally tied to pins 6 and 7; connect all three to the load rail to share current.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-8
Category PMIC
Pins 8

Ordering variants

  • TPS2051BDR
  • TPS2051BDR.A
  • TPS2051BDRG4
  • TPS2051BDRDGNR
  • TPS2051BDRDGNR.A
  • TPS2051BDRDGNRG4
  • TPS2051BDRDBVR
  • TPS2051BDRDBVR.A
  • TPS2051BDRDBVR1G4

CAD (KiCad official)

  • Symbol: TPS2051BDR
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (None pp, sha256 b8e3d6d124f7aa62, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF

Symbol & Footprint

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Datasheet

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