component
LM20125MHE
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 | 17d ago |
| viewers | 17d ago |
| lm20125mhe-etched.glb | 17d ago |
| lm20125mhe-etched.step | 17d ago |
| lm20125mhe-hero.glb | 17d ago |
| lm20125mhe-hero.overlay.json | 17d ago |
| lm20125mhe.glb | 17d ago |
| lm20125mhe.kicad_mod | 17d ago |
| lm20125mhe.kicad_sym | 17d ago |
| lm20125mhe.lbr | 17d ago |
| lm20125mhe.step | 17d ago |
| package.json | 17d ago |
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| README.md | 17d ago |
LM20125MHE
Texas Instruments · DC-DC Converters · HTSSOP-16-EP
LM20125MHE 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 | SS/TRK | input | Soft-start or tracking control input: an internal 5 µA source charges the external capacitor to set the soft-start ramp, a driven source below 800 mV overrides the internal reference, and an internal 1 ms ramp is used if left open. |
| 2 | FB | input | Feedback input to the inverting input of the internal transconductance error amplifier, which regulates to the 800 mV reference. |
| 3 | PGOOD | output | Open-drain power-good output indicating the output voltage is regulating within tolerance, with a 10 kΩ to 100 kΩ pull-up resistor recommended. |
| 4 | COMP | passive | External compensation pin, where a resistor and capacitor are connected to compensate the device. |
| 5 | NC | unconnected | Labeled NC but must be connected to GND to ensure proper operation. |
| 6 | PVIN | power_in | Input voltage to the internal power switches, rated 2.95 V to 5.5 V; tie PVIN pins together at the device with a low-ESR capacitor placed near them. |
| 7 | PVIN | power_in | Input voltage to the internal power switches, rated 2.95 V to 5.5 V; tie PVIN pins together at the device with a low-ESR capacitor placed near them. |
| 8 | SW | output | Switch pin that is the PWM output of the internal power switches. |
| 9 | SW | output | Switch pin that is the PWM output of the internal power switches. |
| 10 | PGND | power_in | Power ground for the internal power switches. |
| 11 | PGND | power_in | Power ground for the internal power switches. |
| 12 | EN | input | Precision enable input with hysteresis, where an external voltage divider sets the turn-on threshold and the pin must connect to PVIN if not used. |
| 13 | VCC | power_out | Internal 2.7 V sub-regulator output that should be bypassed with a 1 µF ceramic capacitor. |
| 14 | AVIN | power_in | Analog input supply that generates the internal bias, rated 2.95 V to 5.5 V, and must connect to VIN through a low-pass RC filter. |
| 15 | AGND | power_in | Quiet analog ground for the internal bias circuitry. |
| 16 | NC | unconnected | Labeled NC but must be connected to GND to ensure proper operation. |
| 17 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | HTSSOP-16-EP |
| Category | Power Supply Chip |
| Pins | 17 |
CAD (KiCad official)
- Symbol:
LM20125MHE - Footprint:
Package_SO:TSSOP-16-1EP_4.4x5mm_P0.65mm - 3D model: HTSSOP-16-EP (KiCad packages3D, STEP)
- 3D model files:
lm20125mhe-etched.step/lm20125mhe-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm20125mhe.step/lm20125mhe.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (32 pp, sha256
bd9ed15653c896bc, retrieved 2026-10-08, 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).