CN3768

@@ -0,0 +1,48 @@+# CN3768++**ShangHai Consonance Elec** · Battery Management · SOP-8++CN3768 from ShangHai Consonance Elec, in a SOP-8. 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 | VG | power_out | Internal voltage regulator output. Supplies power to the internal gate-driver circuit. A 100nF capacitor must be connected between VG and VCC. |+| 2 | GND | power_in | Ground. Negative input of the input supply and negative terminal of the battery. |+| 3 | CHRG | output | Charge status indicator, open-drain output (active-low, denoted /CHRG). Internal transistor pulls the pin low during trickle, constant-current, and over-charge modes; otherwise the pin is high-impedance. Pull-down current typically 12mA at VCHRG=1V; leakage 1uA max at VCHRG=25V. |+| 4 | COM | input | Loop compensation input. Connect a 120Ω resistor in series with a 220nF capacitor from this pin to GND to stabilize the current and voltage regulation loops. Absolute max 6.5V to GND. |+| 5 | BAT | input | Battery positive-terminal connection and negative input of the charge-current sense. Connects to the battery '+' terminal; together with CSP it senses the voltage across the current-sense resistor RCS for current regulation. Typical BAT-pin current draw ~10uA at VBAT=12V. |+| 6 | CSP | input | Positive input of the charge-current sense. Together with BAT it senses the voltage across the external current-sense resistor RCS; constant-current charging current ICH = 0.12V / RCS. |+| 7 | VCC | power_in | External positive supply input; also powers the internal circuitry. Requires a decoupling/filter capacitor to GND. Operating input range 6.6V to 30V; UVLO typ 5.2V. |+| 8 | DRV | output | Gate-drive output for the external P-channel MOSFET. Low level is clamped to (VCC − 6.5V typ, max 8V below VCC), enabling use of low-Vgs P-channel FETs. Rise/fall times typ 40ns into 2nF. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | ShangHai Consonance Elec |+| Package | SOP-8 |+| Category | PMIC |+| Pins | 8 |++## Ordering variants++- `CN3768`++## CAD (KiCad official)++- Symbol: `CN3768`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [ShangHai Consonance Elec datasheet](docs/cn3768-datasheet.pdf) (10 pp, sha256 `c4aac3eff069c435`, 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/cn3768-datasheet.pdf)

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