BQ24210DQCR

@@ -0,0 +1,53 @@+# BQ24210DQCR++**Texas Instruments** · Battery Management · WSON-10-EP(2x3)++BQ24210DQCR from Texas Instruments, in a WSON-10-EP(2x3). 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 | VBUS | power_in | Charging-mode input from external DC supply (solar panel, inductive charging pad, or wall adapter); operating range 3.5-7.0 V (absolute max 20 V with OVP at ~7.5 V). In load mode, this pin becomes a current-limited output at battery voltage. Bypass with 1-10 uF to VSS. |+| 2 | ISET | input | Fast-charge current programming pin. External resistor from ISET to VSS (675 Ω to 10.8 kΩ) sets the fast-charge current up to 800 mA. |+| 3 | VSS | power_in | Device ground terminal. Must be connected to ground at all times; thermal pad must tie to the same potential as VSS but must not be used as the primary ground input. |+| 4 | VTSB | power_out | TS bias reference voltage output, regulated and only enabled during charge. No external capacitor required from VTSB to VSS (optional up to 0.1 uF). |+| 5 | TS | input | Temperature sense input; connect to NTC thermistor in the battery pack. Valid charging window is 12%-57% of VTSB. Pulling TS high places the part in limited power charging mode; must not be left floating. |+| 6 | PG | output | Active-low Power-Good indication (open-drain). Pulls low (FET ON) when input voltage is in the normal range (VBUS>BAT and VBUS>UVLO); high-impedance otherwise. Max sink current 15 mA. |+| 7 | EN | input | Active-low chip enable. Low enables charge or load mode; high places device in suspend mode. |+| 8 | CHG | output | Active-low charge status indication (open-drain). Pulls low (FET ON) to indicate charging; high-impedance in other cases. Max sink current 15 mA. |+| 9 | VDPM | input | Programs the input voltage regulation (VBUS_DPM) threshold via a 1 kΩ-10 kΩ resistor from VDPM to VSS. When left floating, the VIN DPM loop operates in battery tracking mode (threshold = BAT+100 mV if BAT>3.6 V, else 3.7 V). Must be programmed above the battery voltage. |+| 10 | BAT | power_out | Battery connection; system load may be connected here. Delivers up to 800 mA charge current with 1% voltage regulation accuracy; short-circuit protected. Bypass with 1-10 uF to VSS. |+| 11 | EP | passive | Exposed thermal pad on the package underside. Internally connected to VSS; must be soldered to a PCB pad at the same potential as VSS for thermal performance. Do not use as the primary ground input; VSS pin must always be connected to ground. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | WSON-10-EP(2x3) |+| Category | PMIC |+| Pins | 11 |++## Ordering variants++Same part, different packaging or reel option.++- `BQ24210DQCR`+- `BQ24210DQCRDQCT`++## CAD (KiCad official)++- Symbol: `BQ24210DQCR`+- Footprint: `Package_SON:WSON-10-1EP_2x3mm_P0.5mm_EP0.84x2.4mm`+- 3D model: WSON-10-EP(2x3) (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/bq24210dqcr.pdf) (32 pp, sha256 `c0743e68a1b201c0`, retrieved 2026-08-17, tier: manufacturer)+- **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/bq24210dqcr-datasheet.pdf)

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