component
STI3508C
Public Made by Adomby adom
TMI DC-DC Converters, SOT-23-6. 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
markdownSTI3508C
TMI · DC-DC Converters · SOT-23-6
STI3508C from TMI, in a SOT-23-6. 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 | LX | output | Power switch output and drain of the internal MOSFET switch; connect the power inductor and output rectifier to LX, which has an absolute maximum rating of 35 V. |
| 2 | GND | power_in | Ground pin. |
| 3 | FB | input | Feedback input regulated to 0.6 V for the STI3508C (1.2 V for the STI3508CA); connect the output resistor divider to FB, with an absolute maximum range of -0.3 V to 7 V. |
| 4 | EN | input | Regulator on/off control where a high input (at least 1.5 V) turns the converter on and a low input (at most 0.3 V) turns it off; when unused, connect EN to the input supply for automatic startup, with an absolute maximum of 7 V. |
| 5 | IN | power_in | Input supply pin that must be locally bypassed; the input voltage range is 2.5 V to 5.5 V. |
| 6 | NC | unconnected | No connection. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TMI |
| Package | SOT-23-6 |
| Category | Power Management (PMIC) |
| Pins | 6 |
CAD (KiCad official)
- Symbol:
STI3508C - Footprint:
Package_TO_SOT_SMD:SOT-23-6 - 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files:
sti3508c-etched.step/sti3508c-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sti3508c.step/sti3508c.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TMI datasheet (12 pp, sha256
5cb8eb1359a05b92, retrieved 2026-10-09, 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).