component
TLV431BQDBVR
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Texas Instruments Voltage Reference, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+42@@ -0,0 +1,42 @@+# TLV431BQDBVR++**Texas Instruments** · Voltage Reference · SOT-23-5++TLV431BQDBVR from Texas Instruments, in a SOT-23-5. 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 | NC | unconnected | No internal connection. |+| 2 | * | passive | Substrate connection; must be connected to ANODE or left open. |+| 3 | CATHODE | bidirectional | Shunt current/voltage input; cathode voltage recommended from VREF to 6V (7V absolute max) and cathode current 0.1mA to 15mA (±20mA absolute max). |+| 4 | REF | input | Threshold reference input relative to the common anode, with reference current absolute maximum of -0.05mA to 3mA. |+| 5 | ANODE | power_in | Common pin, normally connected to ground. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-5 |+| Category | Power Management (PMIC) |+| Pins | 5 |++## CAD (KiCad official)++- Symbol: `TLV431BQDBVR`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)+- 3D model files: `tlv431bqdbvr-etched.step` / `tlv431bqdbvr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tlv431bqdbvr.step` / `tlv431bqdbvr.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/tlv431b) (58 pp, sha256 `34e0c5a62c65546c`, retrieved 2026-10-06, 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 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-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).++[Datasheet PDF](docs/tlv431bqdbvr-datasheet.pdf)
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