component
TPS78408QDBVRQ1
Public Made by Adomby adom
Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, 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 @@+# TPS78408QDBVRQ1++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++TPS78408QDBVRQ1 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 | IN | power_in | Input power supply pin; operating voltage range 1.65V to 6.0V; place ceramic capacitor 0.47-µF or larger to ground close to pin. |+| 2 | GND | power_in | Ground reference pin; must be connected to ground plane on the board. |+| 3 | EN | input | Enable input pin; driving to logic high enables device, logic low disables device; do not float; if unused, connect to IN. |+| 4 | NC | unconnected | No-connect pin; not internally connected; connect to ground for best thermal performance or leave floating. |+| 5 | OUT | power_out | Regulated output pin; 0.47-µF or greater capacitance required to ground for stability; place 1-µF or larger ceramic capacitor close to pin; 300mA maximum output current. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-5 |+| Category | Power Management (PMIC) |+| Pins | 5 |++## CAD (KiCad official)++- Symbol: `TPS78408QDBVRQ1`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)+- 3D model files: `tps78408qdbvrq1-etched.step` / `tps78408qdbvrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps78408qdbvrq1.step` / `tps78408qdbvrq1.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/tps784-q1) (56 pp, sha256 `0c6f0cf1abccc5c1`, retrieved 2026-10-03, 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/tps78408qdbvrq1-datasheet.pdf)
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