component
XC9145B33CMR-G
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Torex Semicon DC-DC Converters, SOT-25. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+46@@ -0,0 +1,46 @@+# XC9145B33CMR-G++**Torex Semicon** · DC-DC Converters · SOT-25++XC9145B33CMR-G from Torex Semicon, in a SOT-25. 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 | CE | input | Chip Enable. H = Active, L = Stand-by. Do not leave open (undefined state). VCEH ≥ 1.50V (max 6.0V); VCEL ≤ 0.30V. Input current ≤ 0.1µA. |+| 2 | GND | power_in | Ground reference for the IC. All voltages in the datasheet are referenced to this pin. |+| 3 | BAT | power_in | Power Supply Input (battery pin). Operating input voltage VBAT = 0.65V to 5.5V, operation start voltage 1.6V, operation hold voltage 0.65V. Absolute max 6.6V. |+| 4 | VOUT | power_out | Regulated boost output (fixed 3.3V for this option). Also serves as the output-voltage sense/feedback node for the internal divider, load-disconnect controller, and VDD MAX selector. Absolute max 6.6V. |+| 5 | Lx | output | Switching node connecting to the external boost inductor (typ. 4.7µH). Internal 200mΩ N-ch driver FET low-side and 270mΩ P-ch synchronous rectifier high-side. Max continuous ILx = 2.0A; absolute max voltage 6.6V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Torex Semicon |+| Package | SOT-25 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `XC9145B33CMR-GMR-G`+- `XC9145B33CMR-GER-G`+- `XC9145B33CMR-G0R-G`++## CAD (KiCad official)++- Symbol: `XC9145B33CMR-G`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: SOT-25 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Torex Semicon datasheet](docs/xc9145b33cmr-g-datasheet.pdf) (29 pp, sha256 `4583a91f3e201771`, 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/xc9145b33cmr-g-datasheet.pdf)
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