component
TPS55340QRTERQ1
Public Made by Adomby adom
Texas Instruments DC-DC Converters, WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads on click. Unloads only if this page sits in the background.
PCB Footprint
Open full view ↗Loads on click. Unloads only if this page sits in the background.
Datasheet
Open in new tab ↗Loads on click. Unloads only if this page sits in the background.
README
markdownTPS55340QRTERQ1
Texas Instruments · DC-DC Converters · WQFN-16-EP(3x3)
TPS55340QRTERQ1 from Texas Instruments, in a WQFN-16-EP(3x3). 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 | SW | output | Internal 5A, 40V MOSFET drain serving as power switch output to inductor or transformer in boost, SEPIC, or flyback topology. |
| 2 | VIN | power_in | Regulated input supply pin accepting 2.9V to 32V, independent of boost power stage input. |
| 3 | EN | input | Enable control input with 0.92V falling and 1.08V rising thresholds (nominal); IC disables when held below threshold for >1ms. |
| 4 | SS | input | Soft-start timing pin connected to external capacitor charged by 6µA internal current source for controlled startup ramp. |
| 5 | SYNC | input | External synchronization clock input (0.4V to 1.2V logic levels) synchronized within ±20% of FREQ-programmed frequency (200kHz to 1MHz); tie to AGND if unused. |
| 6 | AGND | power_in | Analog signal ground providing reference for error amplifier, feedback network, and all control circuits. |
| 7 | COMP | output | Error amplifier output with 240µmho to 440µmho transconductance; external RC network provides feedback loop compensation. |
| 8 | FB | input | Feedback input to error amplifier non-inverting input; compares resistor divider voltage to 1.229V ±0.7% internal reference for output voltage setting. |
| 9 | FREQ | input | Frequency programming pin; external resistor to AGND sets switching frequency from 100kHz to 2.5MHz per equation fS = 41600 × R(FREQ)^-0.97. |
| 10 | NC | unconnected | Reserved no-connect pin; must be connected to AGND per device recommendation. |
| 11 | PGND | power_in | Power ground connected to internal MOSFET source; multiple pins provide low-inductance return path for switch current. |
| 12 | PGND | power_in | Power ground connected to internal MOSFET source; multiple pins provide low-inductance return path for switch current. |
| 13 | PGND | power_in | Power ground connected to internal MOSFET source; multiple pins provide low-inductance return path for switch current. |
| 14 | NC | unconnected | Reserved no-connect pin; must be connected to AGND per device recommendation. |
| 15 | SW | output | Internal 5A, 40V MOSFET drain serving as power switch output to inductor or transformer in boost, SEPIC, or flyback topology. |
| 16 | SW | output | Internal 5A, 40V MOSFET drain serving as power switch output to inductor or transformer in boost, SEPIC, or flyback topology. |
| 17 | PowerPad | power_in | Exposed thermal pad soldered directly to AGND with thermal vias to ground plane layers for enhanced heat dissipation and thermal performance. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | WQFN-16-EP(3x3) |
| Category | Power Management (PMIC) |
| Pins | 17 |
CAD (KiCad official)
- Symbol:
TPS55340QRTERQ1 - Footprint:
Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm - 3D model: WQFN-16-EP(3x3) (KiCad packages3D, STEP)
- 3D model files:
tps55340qrterq1-etched.step/tps55340qrterq1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tps55340qrterq1.step/tps55340qrterq1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (41 pp, sha256
19365bc2b7bfe053, retrieved 2026-09-27, 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-4-6(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).