component
TPS61031PWPR
Public Made by Adomby adom
Texas Instruments DC-DC Converters, HTSSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 16d ago |
| viewers | 16d ago |
| package.json | 16d ago |
| page.json | 11d ago |
| README.md | 11d ago |
| tps61031pwpr-etched.glb | 16d ago |
| tps61031pwpr-etched.step | 16d ago |
| tps61031pwpr-hero.glb | 16d ago |
| tps61031pwpr-hero.overlay.json | 16d ago |
| tps61031pwpr.glb | 16d ago |
| tps61031pwpr.kicad_mod | 16d ago |
| tps61031pwpr.kicad_sym | 16d ago |
| tps61031pwpr.lbr | 16d ago |
| tps61031pwpr.step | 16d ago |
TPS61031PWPR
Texas Instruments · DC-DC Converters · HTSSOP-16-EP
TPS61031PWPR from Texas Instruments, in a HTSSOP-16-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 | SW | passive | Boost and rectifying switch input, connected to the inductor. |
| 2 | SW | passive | Boost and rectifying switch input, connected to the inductor. |
| 3 | PGND | power_in | Power ground. |
| 4 | PGND | power_in | Power ground. |
| 5 | PGND | power_in | Power ground. |
| 6 | VBAT | power_in | Supply voltage, 1.8 V to 5.5 V recommended operating range. |
| 7 | LBI | input | Low battery comparator input, comparator enabled with EN; absolute maximum 3.6 V. |
| 8 | SYNC | input | Enable/disable power save mode (1/VBAT disabled, 0/GND enabled) or clock signal input for synchronization. |
| 9 | EN | input | Enable input (1/VBAT enabled, 0/GND disabled). |
| 10 | LBO | output | Low battery comparator output (open drain). |
| 11 | GND | power_in | Control/logic ground. |
| 12 | FB | input | Voltage feedback input of adjustable versions. |
| 13 | VOUT | power_out | DC/DC converter output. |
| 14 | VOUT | power_out | DC/DC converter output. |
| 15 | VOUT | power_out | DC/DC converter output. |
| 16 | NC | unconnected | Not connected; no internal connection. |
| 17 | PowerPAD | passive | Exposed thermal pad that must be soldered for appropriate power dissipation and should be connected to PGND. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | HTSSOP-16-EP |
| Category | Power Supply Chip |
| Pins | 17 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input voltage on LBI | VI | -0.3 | 3.6 | V | 4 | ||
| Input voltage on SW, VOUT, LBO, VBAT, SYNC, EN, FB | VI | -0.3 | 7 | V | 4 | ||
| Maximum junction temperature | TJ | -40 | 150 | °C | 4 | ||
| Storage temperature range | Tstg | -65 | 150 | °C | 4 | ||
| Supply voltage at VBAT | VI | 1.8 | 5.5 | V | 4 | ||
| Operating ambient temperature range | TA | -40 | 85 | °C | 4 | ||
| Operating virtual junction temperature range | TJ | -40 | 125 | °C | 4 | ||
| Input voltage range | VI | 1.8 | 5.5 | V | 5 | ||
| Oscillator frequency | f | 500 | 600 | 700 | kHz | 5 | |
| Frequency range for synchronization | 500 | 700 | kHz | 5 | |||
| Switch current limit | 3600 | 4000 | 4500 | mA | VOUT= 5 V | 5 | |
| Total accuracy | -3 | 3 | % | 5 | |||
| Quiescent current into VBAT | 10 | 25 | µA | IO = 0 mA, VEN = VBAT = 1.8 V, VOUT =5 V | 5 | ||
| Quiescent current into VOUT | 10 | 20 | µA | IO = 0 mA, VEN = VBAT = 1.8 V, VOUT =5 V | 5 | ||
| Shutdown current | 0.1 | 1 | µA | VEN= 0 V, VBAT = 2.4 V | 5 | ||
| LBI voltage threshold | VIL | 490 | 500 | 510 | mV | VLBI voltage decreasing | 5 |
| LBI input current | 0.01 | 0.1 | µA | EN = VBAT or GND | 5 | ||
| LBO output low voltage | 0.04 | 0.4 | V | VO = 3.3 V, IOI = 100 µA | 5 | ||
| LBO output leakage current | 0.01 | 0.1 | µA | VLBO= 7 V | 5 | ||
| EN, SYNC input current | 0.01 | 0.1 | µA | Clamped on GND or VBAT | 5 | ||
| Junction-to-ambient thermal resistance | RθJA | 46.9 | °C/W | PWP package | 4 | ||
| Junction-to-case (top) thermal resistance | RθJC(top) | 25.8 | °C/W | PWP package | 4 | ||
| Junction-to-board thermal resistance | RθJB | 19.4 | °C/W | PWP package | 4 | ||
| Junction-to-top characterization parameter | ψJT | 0.8 | °C/W | PWP package | 4 | ||
| Junction-to-board characterization parameter | ψJB | 19.3 | °C/W | PWP package | 4 | ||
| Junction-to-case (bottom) thermal resistance | RθJC(bot) | 2.2 | °C/W | PWP package | 4 | ||
| SWN switch on resistance | 55 | mΩ | VOUT= 5 V | 5 | |||
| SWP switch on resistance | 55 | mΩ | VOUT= 5 V | 5 | |||
| Line regulation | 0.6 | % | 5 | ||||
| Load regulation | 0.6 | % | 5 | ||||
| Under voltage lockout threshold | VUVLO | 1.5 | V | VLBI voltage decreasing | 5 | ||
| LBI input hysteresis | 10 | mV | 5 | ||||
| LBO output low current | 100 | µA | 5 | ||||
| Overtemperature protection | 140 | °C | 5 | ||||
| Overtemperature hysteresis | 20 | °C | 5 |
CAD (KiCad official)
- Symbol:
TPS61031PWPR - Footprint:
Package_SO:TSSOP-16-1EP_4.4x5mm_P0.65mm - 3D model: HTSSOP-16-EP (KiCad packages3D, STEP)
- 3D model files:
tps61031pwpr-etched.step/tps61031pwpr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tps61031pwpr.step/tps61031pwpr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (33 pp, sha256
09d8799e40eac542, retrieved 2026-10-10, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(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).