component
ATL431AQDBZR
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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 @@+# ATL431AQDBZR++**Texas Instruments** · Voltage Reference · SOT-23++ATL431AQDBZR 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 | CATHODE | bidirectional | Parallel current/voltage input; recommended cathode voltage is up to 36 V (Vref to 36 V) and cathode current 35 µA to 100 mA, with absolute maximums of 40 V and -100 mA to 150 mA. |+| 2 | REF | input | Reference input that regulates to the internal 2.5 V reference relative to ANODE; it must not float and needs Iref of at least 0.1 µA, with an absolute maximum reference input current of 10 mA. |+| 3 | ANODE | passive | Common pin, normally grounded, to which all voltages are referenced per the absolute maximum ratings note; the datasheet lists it as an output (O) type. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23 |+| Category | Power Management (PMIC) |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `ATL431AQDBZR`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)+- 3D model files: `atl431aqdbzr-etched.step` / `atl431aqdbzr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `atl431aqdbzr.step` / `atl431aqdbzr.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/atl431) (31 pp, sha256 `f56404f009dc2b08`, retrieved 2026-10-08, 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-5-5` (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/atl431aqdbzr-datasheet.pdf)
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