component
TPS54615PWPR
Public Made by Adomby adom
Texas Instruments DC-DC Converters, HTSSOP-28-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownTPS54615PWPR
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tps54615pwpr.step/tps54615pwpr.glbare 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, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).