CN3300

@@ -0,0 +1,46 @@+# CN3300++**ShangHai Consonance Elec** · Battery Management · SOT-23-6++CN3300 from ShangHai Consonance Elec, in a SOT-23-6. 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 | CSN | input | Inductor current sense negative input. A current-sense resistor RCS is connected between VIN and CSN. Normal operation upper threshold (VIN-CSN) is 150 mV typ, lower threshold 120 mV typ. Input current 1 uA max. |+| 2 | FB | input | Battery voltage feedback input. Normally connected to an external resistor divider from the battery. Charge terminates when FB rises to 1.205V typ; recharge is initiated when FB drops to 1.155V typ. Pin current +/-100 nA. |+| 3 | VIN | power_in | Positive supply input, 4V to 28V. Provides operating power to CN3300 internal circuitry and serves as the positive input of the inductor (input) current sense. |+| 4 | VCC | power_out | 5V internal LDO regulator output. Requires a 4.7 uF or 10 uF bypass capacitor to GND. Maximum output current 5 mA; output may drop below 5V when VIN is between 4V and 5.5V. |+| 5 | DRV | output | Gate drive output for the external N-channel power MOSFET. Rail-to-rail swing between GND and VCC; source capability 0.5 A, sink capability 1 A. |+| 6 | GND | power_in | Power ground / device ground return. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | ShangHai Consonance Elec |+| Package | SOT-23-6 |+| Category | PMIC |+| Pins | 6 |++## Ordering variants++- `CN3300`++## CAD (KiCad official)++- Symbol: `CN3300`+- Footprint: `Package_TO_SOT_SMD:SOT-23-6`+- 3D model: SOT-23-6 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [ShangHai Consonance Elec datasheet](docs/cn3300-datasheet.pdf) (9 pp, sha256 `6be70a4607e4f497`, 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/cn3300-datasheet.pdf)

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