TPS7A2045PDBVR

@@ -0,0 +1,49 @@+# TPS7A2045PDBVR++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5++TPS7A2045PDBVR from Texas Instruments, 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 | IN | power_in | Input voltage supply, 1.6 V to 6.0 V. Place input capacitor (typ 1 μF) as close to IN and GND as possible to minimize input impedance. |+| 2 | GND | power_in | Common ground reference for the device. |+| 3 | EN | input | Enable input. VEN > VEN(HI) (0.9 V typ) turns the regulator on; VEN < VEN(LOW) (0.3 V max) disables the regulator and discharges VOUT to GND. Internal 500 kΩ pulldown holds the regulator off by default; the pulldown is disconnected when EN is high to reduce input current. |+| 4 | NC | unconnected | No internal electrical connection. |+| 5 | OUT | power_out | Regulated output voltage (4.5 V nominal for TPS7A2045). Requires a low-ESR output capacitor (typ 1 μF, 0.47 μF min to 200 μF max, ESR ≤ 100 mΩ) to GND for stability. Internal 150 Ω (typ) pulldown discharges VOUT when the regulator is in shutdown. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `TPS7A2045PDBVRDBVR`+- `TPS7A2045PDBVRDBVT`+- `TPS7A2045PDBVRDQNR`+- `TPS7A2045PDBVRYCJR`+- `TPS7A2045PDBVRYCKR`++## CAD (KiCad official)++- Symbol: `TPS7A2045PDBVR`+- 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:** [Texas Instruments datasheet](docs/tps7a2045pdbvr-datasheet.pdf) (57 pp, sha256 `0c6942715f398ba4`, retrieved 2026-08-17, 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:** `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/tps7a2045pdbvr-datasheet.pdf)

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