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TLVH431BQDBZR
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Texas Instruments Voltage Reference, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+40@@ -0,0 +1,40 @@+# TLVH431BQDBZR++**Texas Instruments** · Voltage Reference · SOT-23++TLVH431BQDBZR from Texas Instruments, in a SOT-23. 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 | REF | input | Reference voltage input pin; voltage is internally compared to 1.24 V reference and must maintain a minimum Iref of 0.5 µA over the operating temperature range of -40°C to +125°C for proper device operation |+| 2 | CATHODE | output | Shunt regulated output node; provides adjustable voltage from 1.24 V to 18 V relative to anode with continuous cathode current rating of 0.1 mA to 70 mA |+| 3 | ANODE | power_in | Common (ground) return pin and voltage reference point for cathode voltage measurements; SOT-23 package thermal resistance is 206 °C/W from junction to ambient |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23 |+| Category | Power Management (PMIC) |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `TLVH431BQDBZR`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)+- 3D model files: `tlvh431bqdbzr-etched.step` / `tlvh431bqdbzr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tlvh431bqdbzr.step` / `tlvh431bqdbzr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/tlvh431) (58 pp, sha256 `324b75b7f91c0fb0`, retrieved 2026-09-24, 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`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-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).++[Datasheet PDF](docs/tlvh431bqdbzr-datasheet.pdf)
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