component
LM5101AMX
Public Made by Adomby adom
Texas Instruments Gate Drivers, SOIC-8. Datasheet-verified pinout, 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
markdownLM5101AMX
Texas Instruments · Gate Drivers · SOIC-8
LM5101AMX from Texas Instruments, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VDD | power_in | Positive gate drive supply; locally decouple to VSS using low ESR/ESL capacitor located as close to the IC as possible. |
| 2 | HB | power_in | High-side gate driver bootstrap supply; connect positive terminal of bootstrap capacitor to HB and negative terminal to HS, with capacitor placed close to the IC. |
| 3 | HO | output | High-side gate driver output; connect to the gate of high-side MOSFET with short, low inductance path. |
| 4 | HS | power_in | High-side MOSFET source connection; connect to bootstrap capacitor negative terminal and the source of the high-side MOSFET. |
| 5 | HI | input | High-side driver control input with TTL type thresholds for LM5101A/B/C; unused inputs must be tied to ground and not left open. |
| 6 | LI | input | Low-side driver control input with TTL type thresholds for LM5101A/B/C; unused inputs must be tied to ground and not left open. |
| 7 | VSS | power_in | Ground return; all signals are referenced to this ground. |
| 8 | LO | output | Low-side gate driver output; connect to the gate of low-side MOSFET with short, low inductance path. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-8 |
| Category | Motor Driver ICs |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
LM5101AMX - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
lm5101amx-etched.step/lm5101amx-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm5101amx.step/lm5101amx.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (48 pp, sha256
391d008aa275b045, retrieved 2026-09-22, tier: lcsc) - 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).