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Contents

README

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TPS54361DPRR

Texas Instruments · AC-DC Controllers & Regulators · WSON-10-EP(4x4)

TPS54361DPRR from Texas Instruments, in a WSON-10-EP(4x4). 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 BOOT input Bootstrap capacitor connection pin between BOOT and SW requiring minimum voltage to enable high-side gate drive, with gate drive switching off if voltage is below minimum threshold.
2 VIN power_in Input supply voltage pin with operating range of 4.5 V to 60 V.
3 EN input Enable input pin with internal pullup current source enabling device when floating, disabled when pulled below 1.2 V, supporting adjustable input undervoltage lockout threshold via external resistor divider.
4 SS/TR input Soft start and tracking input pin with external capacitor setting output rise time, capable of overriding internal reference voltage for power supply sequencing and tracking applications.
5 RT/CLK input Resistor timing and external clock input pin supporting resistor-programmed switching frequency from 100 kHz to 2.5 MHz or high-impedance external clock synchronization mode above PLL upper threshold.
6 FB input Inverting input terminal of the transconductance (gm) error amplifier for output voltage feedback.
7 COMP output Error amplifier output node serving as input to the output switch current (PWM) comparator with external frequency compensation network components connected to this pin.
8 GND power_in Ground reference pin that must be electrically connected to the exposed thermal pad on the PCB for proper operation.
9 SW output Switching output node serving as the source of the internal high-side MOSFET and main switching node of the step-down converter.
10 PWRGD tri_state Open-drain Power Good output pin asserting low when output voltage is out of regulation due to thermal shutdown, dropout, overvoltage, or EN shutdown, with regulation window from 93% to 106% of nominal voltage.
11 Thermal Pad passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package WSON-10-EP(4x4)
Category Power Supply Chip
Pins 11

CAD (KiCad official)

  • Symbol: TPS54361DPRR
  • Footprint: Package_SON:WSON-10-1EP_4x4mm_P0.8mm_EP2.6x3mm
  • 3D model: WSON-10-EP(4x4) (KiCad packages3D, STEP)
  • 3D model files: tps54361dprr-etched.step / tps54361dprr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps54361dprr.step / tps54361dprr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (53 pp, sha256 ccffad2115b7c876, retrieved 2026-10-03, 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-4-5-20251001 (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