TPS61040DBVRG

@@ -0,0 +1,44 @@+# TPS61040DBVRG++**HANSCHIP semiconductor** · LED Drivers · SOT-23-5++TPS61040DBVRG from HANSCHIP semiconductor, in a SOT-23-5. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | SW | power_out | Switch node; drain of the internal N-channel power MOSFET. Connect the boost inductor and the Schottky rectifier diode to this pin. Absolute maximum switch voltage is 30 V. |+| 2 | GND | power_in | Device ground reference. All internal grounds and the network ground terminal for absolute-maximum voltage references. |+| 3 | FB | input | Feedback input to the error comparator. Connect to the external output resistor divider to program the output voltage; internal reference VREF = 1.233 V. Absolute maximum: -0.3 V to VIN + 0.3 V. |+| 4 | EN | input | Active-high enable input. Pulling EN to ground puts the device into shutdown, reducing supply current to less than 1 uA (typ). Must be terminated (not left floating). Absolute maximum: -0.3 V to VIN + 0.3 V. |+| 5 | VIN | power_in | Supply voltage input. Operating range 1.8 V to 6 V; absolute maximum -0.3 V to 7 V. Bypass with a 4.7 uF (typ) ceramic capacitor close to the pin. Undervoltage lockout trips near 1.5 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HANSCHIP semiconductor |+| Package | SOT-23-5 |+| Category | LED-drv |+| Pins | 5 |++## Ordering variants++- `TPS61040DBVRGDBVRG`++## CAD (KiCad official)++- Symbol: `TPS61040DBVRG`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-23-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HANSCHIP semiconductor datasheet](docs/tps61040dbvrg-datasheet.pdf) (19 pp, sha256 `4d1a0bbce7677c8d`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/tps61040dbvrg-datasheet.pdf)

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