component
TPS54331DDA
Public Made by Adomby adom
Texas Instruments DC-DC Converters, ESOP-8. 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
markdownTPS54331DDA
Texas Instruments · DC-DC Converters · ESOP-8
TPS54331DDA from Texas Instruments, in a ESOP-8. 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 | output | Bootstrap voltage output for high-side MOSFET gate drive; requires 0.1μF capacitor between BOOT and PH pins to maintain gate bias voltage above 2.1V minimum. |
| 2 | VIN | power_in | Input power supply voltage pin; supports 3.5V to 28V operating range. |
| 3 | EN | input | Enable/disable control input; pull below 1.25V to disable converter or leave floating to enable; UVLO threshold programmable using external resistor divider. |
| 4 | SS | input | Slow start input; connect external capacitor to set output rise time from 1ms to 10ms using 2μA charge current. |
| 5 | VSENSE | input | Feedback input to inverting node of transconductance error amplifier for output voltage regulation and current limiting. |
| 6 | COMP | output | Error amplifier output and PWM comparator input; connect external frequency compensation network between this pin and ground. |
| 7 | GND | power_in | Ground reference pin; low-side MOSFET source connection and current return path. |
| 8 | PH | output | High-side MOSFET source output; internal 80mΩ MOSFET switch node with 570kHz fixed switching frequency. |
| 9 | PowerPAD | power_in | Exposed thermal pad for ground connection and heat dissipation; must be connected to ground plane for proper thermal performance (DDA package only). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | ESOP-8 |
| Category | Power Management (PMIC) |
| Pins | 9 |
CAD (KiCad official)
- Symbol:
TPS54331DDA - Footprint:
Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm - 3D model: ESOP-8 (KiCad packages3D, STEP)
- 3D model files:
tps54331dda-etched.step/tps54331dda-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tps54331dda.step/tps54331dda.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (40 pp, sha256
6ac89d4fddb009ba, retrieved 2026-09-24, 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, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).