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Contents

Pinout
Key specifications
CAD (KiCad official)
Provenance

README

markdown

TPS274160ARLHR

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

TPS274160ARLHR from Texas Instruments, in a WQFN-28(4x5). 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	EN3	input	Input control for channel 3 activation; internal pulldown.
2	EN4	input	Input control for channel 4 activation; internal pulldown.
3	ST1	tri_state	Open-drain diagnostic status output for channel 1.
4	ST2	tri_state	Open-drain diagnostic status output for channel 2.
5	ST3	tri_state	Open-drain diagnostic status output for channel 3.
6	ST4	tri_state	Open-drain diagnostic status output for channel 4.
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 channel 4 high-side switch, connect to load.
13	OUT4	output	Output of channel 4 high-side switch, connect to load.
14	OUT3	output	Output of channel 3 high-side switch, connect to load.
15	OUT3	output	Output of channel 3 high-side switch, connect to load.
16	NC	unconnected	No internal connection.
17	VS	power_in	Power supply, 5 V to 36 V DC.
18	VS	power_in	Power supply, 5 V to 36 V DC.
19	VS	power_in	Power supply, 5 V to 36 V DC.
20	VS	power_in	Power supply, 5 V to 36 V DC.
21	NC	unconnected	No internal connection.
22	OUT2	output	Output of channel 2 high-side switch, connect to load.
23	OUT2	output	Output of channel 2 high-side switch, connect to load.
24	OUT1	output	Output of channel 1 high-side switch, connect to load.
25	OUT1	output	Output of channel 1 high-side switch, connect to 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	WQFN-28(4x5)
Category	Power Management (PMIC)
Pins	29

CAD (KiCad official)

Symbol: TPS274160ARLHR
Footprint: Package_DFN_QFN:QFN-28-1EP_4x5mm_P0.5mm_EP2.65x3.65mm
3D model: WQFN-28(4x5) (KiCad packages3D, STEP)
3D model files: tps274160arlhr-etched.step / tps274160arlhr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps274160arlhr.step / tps274160arlhr.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 2026-09-23, 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 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-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