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TPS54615PWPR

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by adom

Texas Instruments DC-DC Converters, HTSSOP-28-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TPS54615PWPR

Texas Instruments · DC-DC Converters · HTSSOP-28-EP

TPS54615PWPR from Texas Instruments, in a HTSSOP-28-EP. 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 AGND power_in Analog ground for slow-start capacitor, VBIAS capacitor, and RT resistor; requires PowerPAD thermal connection.
2 VSENSE input Error amplifier inverting input connected directly to output voltage sense point.
3 NC unconnected No connection.
4 PWRGD tri_state Powergood open-drain output, high-impedance when VSENSE ≥ 90% Vref, otherwise low.
5 BOOT power_in Bootstrap supply input with 0.022-µF to 0.1-µF low-ESR capacitor connection to PH for high-side FET driver.
6 PH output Phase switching node and junction of internal high-side and low-side power MOSFETs.
7 PH output Phase switching node and junction of internal high-side and low-side power MOSFETs.
8 PH output Phase switching node and junction of internal high-side and low-side power MOSFETs.
9 PH output Phase switching node and junction of internal high-side and low-side power MOSFETs.
10 PH output Phase switching node and junction of internal high-side and low-side power MOSFETs.
11 PH output Phase switching node and junction of internal high-side and low-side power MOSFETs.
12 PH output Phase switching node and junction of internal high-side and low-side power MOSFETs.
13 PH output Phase switching node and junction of internal high-side and low-side power MOSFETs.
14 PH output Phase switching node and junction of internal high-side and low-side power MOSFETs.
15 PGND power_in Power ground return for low-side driver and power MOSFET.
16 PGND power_in Power ground return for low-side driver and power MOSFET.
17 PGND power_in Power ground return for low-side driver and power MOSFET.
18 PGND power_in Power ground return for low-side driver and power MOSFET.
19 PGND power_in Power ground return for low-side driver and power MOSFET.
20 VIN power_in Input supply for power MOSFETs and internal bias regulator, bypass with 1-µF to 10-µF ceramic capacitor to PGND.
21 VIN power_in Input supply for power MOSFETs and internal bias regulator, bypass with 1-µF to 10-µF ceramic capacitor to PGND.
22 VIN power_in Input supply for power MOSFETs and internal bias regulator, bypass with 1-µF to 10-µF ceramic capacitor to PGND.
23 VIN power_in Input supply for power MOSFETs and internal bias regulator, bypass with 1-µF to 10-µF ceramic capacitor to PGND.
24 VIN power_in Input supply for power MOSFETs and internal bias regulator, bypass with 1-µF to 10-µF ceramic capacitor to PGND.
25 VBIAS power_out Internal bias regulator output, bypass with 0.1-µF to 1-µF ceramic capacitor to AGND.
26 SS/ENA input Slow-start and enable input supporting external capacitor for adjustable start-up time and logic control.
27 FSEL input Frequency select input to choose between two internally set switching frequencies.
28 RT input Frequency setting input, connect resistor to AGND to set switching frequency.
29 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package HTSSOP-28-EP
Category Power Supply Chip
Pins 29

CAD (KiCad official)

  • Symbol: TPS54615PWPR
  • Footprint: Package_SO:TSSOP-28-1EP_4.4x9.7mm_P0.65mm_EP2.85x6.7mm
  • 3D model: HTSSOP-28-EP (KiCad packages3D, STEP)
  • 3D model files: tps54615pwpr-etched.step / tps54615pwpr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps54615pwpr.step / tps54615pwpr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (29 pp, sha256 c94c631e87d000c3, retrieved 2026-10-03, tier: lcsc)
  • 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