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Contents

README

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TPS274160BRLHR

Texas Instruments · Power Distribution Switches · QFN-28-EP(4x5)

TPS274160BRLHR from Texas Instruments, in a QFN-28-EP(4x5). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 EN3 input Input control for channel 3 activation; internal pulldown.
2 EN4 input Input control for channel 4 activation; internal pulldown.
3 SEH input CS channel-selection high bit; internal pulldown (version B only).
4 SEL input CS channel-selection low bit; internal pulldown (version B only).
5 FAULT output Global fault report with open-drain structure, ORed logic for quad-channel fault conditions (version B only).
6 CS output Current-sense output (version B only).
7 CL output Adjustable current limit; connect to device GND if external current limit is not used.
8 NC unconnected No internal connection.
9 GND power_in Ground pin.
10 THER input Thermal shutdown behavior control, latch off or auto-retry; internal pulldown.
11 DIAG_EN input Enable-disable pin for diagnostics; internal pulldown.
12 OUT4 output Output of the channel 4 high side-switch, connect to the load.
13 OUT4 output Output of the channel 4 high side-switch, connect to the load.
14 OUT3 output Output of the channel 3 high side-switch, connect to the load.
15 OUT3 output Output of the channel 3 high side-switch, connect to the load.
16 NC unconnected No internal connection.
17 VS power_in Power supply pin; continuous supply operating range is specified in Section 7.3.
18 VS power_in Power supply pin; continuous supply operating range is specified in Section 7.3.
19 VS power_in Power supply pin; continuous supply operating range is specified in Section 7.3.
20 VS power_in Power supply pin; continuous supply operating range is specified in Section 7.3.
21 NC unconnected No internal connection.
22 OUT2 output Output of the channel 2 high side-switch, connect to the load.
23 OUT2 output Output of the channel 2 high side-switch, connect to the load.
24 OUT1 output Output of the channel 1 high side-switch, connect to the load.
25 OUT1 output Output of the channel 1 high side-switch, connect to the load.
26 GND power_in Ground pin.
27 EN1 input Input control for channel 1 activation; internal pulldown.
28 EN2 input Input control for channel 2 activation; internal pulldown.
29 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package QFN-28-EP(4x5)
Category Power Management (PMIC)
Pins 29

CAD (KiCad official)

  • Symbol: TPS274160BRLHR
  • Footprint: Package_DFN_QFN:QFN-28-1EP_4x5mm_P0.5mm_EP2.65x3.65mm
  • 3D model: QFN-28-EP(4x5) (KiCad packages3D, STEP)
  • 3D model files: tps274160brlhr-etched.step / tps274160brlhr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps274160brlhr.step / tps274160brlhr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (38 pp, sha256 43cdc091460d5673, retrieved 2026-10-10, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF