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Name	Last commit message	Last updated
docs	tps62143rgtr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	2d ago
viewers	tps62143rgtr: viewers · Ray	12d ago
package.json	Publish 0.1.0 · Ray	12d ago
page.json	Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout") · Ray	10d ago
README.md	Initial commit: component/tps62143rgtr · Ray	12d ago
tps62143rgtr-etched.fit.json	tps62143rgtr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	2d ago
tps62143rgtr-etched.glb	tps62143rgtr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	2d ago
tps62143rgtr-etched.step	tps62143rgtr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	2d ago
tps62143rgtr.glb	Publish 0.1.0 · Ray	12d ago
tps62143rgtr.kicad_mod	Publish 0.1.0 · Ray	12d ago
tps62143rgtr.kicad_sym	Publish 0.1.0 · Ray	12d ago
tps62143rgtr.lbr	Publish 0.1.0 · Ray	12d ago
tps62143rgtr.step	Publish 0.1.0 · Ray	12d ago

TPS62143RGTR

Texas Instruments · DC-DC Converters · TQFN-16-EP(3x3)

TPS62143RGTR from Texas Instruments, in a TQFN-16-EP(3x3). 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	SW	output	Switch node connected to the internal MOSFET switches; inductor is connected between this pin and the output capacitor.
2	SW	output	Switch node connected to the internal MOSFET switches; inductor is connected between this pin and the output capacitor.
3	SW	output	Switch node connected to the internal MOSFET switches; inductor is connected between this pin and the output capacitor.
4	PG	tri_state	Open-drain power good output that signals high impedance when VOUT is ready at nominal regulation and pulls low when VOUT falls below nominal threshold.
5	FB	input	Voltage feedback input internally pulled down for fixed 5.0-V output version; recommend connecting to AGND for improved thermal performance.
6	AGND	power_in	Analog ground reference that must be connected directly to the exposed thermal pad and common ground plane.
7	FSW	input	Switching frequency select input with internal pulldown; low selects ~2.5 MHz, high selects ~1.25 MHz for typical operation.
8	DEF	input	Output voltage scaling input with internal pulldown; low selects nominal output voltage, high selects nominal output voltage plus 5%.
9	SS/TR	input	Soft-start and tracking input where external capacitor sets the internal voltage reference rise time and enables voltage tracking and sequencing.
10	AVIN	power_in	Supply voltage for control circuitry that must be connected to the same source as PVIN.
11	PVIN	power_in	Supply voltage for power stage switching circuit that must be connected to the same source as AVIN.
12	PVIN	power_in	Supply voltage for power stage switching circuit that must be connected to the same source as AVIN.
13	EN	input	Enable input with internal ~400 kΩ pulldown resistor; high enables device operation, low or floating disables device and initiates shutdown mode.
14	VOS	input	Output voltage sense pin for the control loop feedback that must connect to the actual VOUT at the output capacitor.
15	PGND	power_in	Power ground reference that must be connected directly to the exposed thermal pad and common ground plane for proper dissipation.
16	PGND	power_in	Power ground reference that must be connected directly to the exposed thermal pad and common ground plane for proper dissipation.
17	EP	passive	Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter	Value
Manufacturer	Texas Instruments
Package	TQFN-16-EP(3x3)
Category	Power Management (PMIC)
Pins	17

CAD (KiCad official)

Symbol: TPS62143RGTR
Footprint: Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm
3D model: TQFN-16-EP(3x3) (KiCad packages3D, STEP)
3D model files: tps62143rgtr-etched.step / tps62143rgtr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps62143rgtr.step / tps62143rgtr.glb are the bare package body.

Provenance

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

Datasheet: Texas Instruments datasheet (42 pp, sha256 7151fc4cb879c36e, retrieved 2026-09-23, tier: manufacturer)
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