CN3152

@@ -0,0 +1,48 @@+# CN3152++**ShangHai Consonance Elec** · Battery Management · ESOP-8++CN3152 from ShangHai Consonance Elec, in a ESOP-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 | TEMP | input | Battery temperature sense input. Connect to the output of the battery pack NTC divider. Charging is suspended when the pin voltage is below 45% or above 80% of VIN (indicating over/under temperature). Tie to GND to disable temperature monitoring. Input current <0.5µA. |+| 2 | ISET | passive | Constant-current charge setpoint and charge-current monitor. Connect a resistor RISET from this pin to GND to program charge current: ICH = (VISET × 1011) / RISET. VISET = 1.205V in CC mode and 0.12V in precharge. End-of-charge threshold Vterm = 0.12V. |+| 3 | GND | power_in | Power ground. |+| 4 | VIN | power_in | Positive input supply, 3.8V to 6V (absolute max 6.5V). Powers the internal circuitry and the pass transistor. UVLO threshold ~3.2-3.8V. When VIN falls within 10mV of VBAT the chip enters sleep mode (IBAT <3µA). |+| 5 | BAT | power_out | Battery connection. Sources the regulated 4.2V (±1%) charging voltage and up to 1A charge current to the Li-ion/Li-poly cell. Sinks <3µA from the battery when disabled or in sleep mode. Recharge threshold VREG − 0.15V; precharge threshold 2.93V. |+| 6 | DONE | output | Charge-complete status indicator, open-drain (active-low, /DONE). Pulled low when the charge current drops below 10% of the programmed CC value, indicating end-of-charge; otherwise high-impedance. Sink capability 10mA at VDONE = 0.3V; leakage <1µA at 6V. Can be tied to GND if unused. |+| 7 | CHRG | output | Charging status indicator, open-drain (active-low, /CHRG). Pulled low while CN3152 is charging; high-impedance otherwise. Sink capability 10mA at VCHRG = 0.3V; leakage <1µA at 6V. |+| 8 | CE | input | Chip enable input. Logic high (VIH ≥2.2V) enables normal operation; logic low (VIL ≤0.7V) disables the chip (IBAT <3µA). TTL/CMOS compatible. Input current ±1µA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | ShangHai Consonance Elec |+| Package | ESOP-8 |+| Category | PMIC |+| Pins | 8 |++## Ordering variants++- `CN3152`++## CAD (KiCad official)++- Symbol: `CN3152`+- Footprint: `Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm`+- 3D model: ESOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [ShangHai Consonance Elec datasheet](docs/cn3152-datasheet.pdf) (11 pp, sha256 `093054baa2dcd287`, 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/cn3152-datasheet.pdf)

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