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FH9261-G3M
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XIN FEI HONG Battery Management, SOT-23-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+59@@ -0,0 +1,59 @@+# FH9261-G3M++**XIN FEI HONG** · Battery Management · SOT-23-6++FH9261-G3M from XIN FEI HONG, 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 | OD | output | Discharge control MOSFET gate drive output. Drives the gate of the external N-MOSFET that controls the discharge path. Goes low (VDL ~0.1V) when overdischarge, discharge overcurrent, or load short-circuit is detected; otherwise high (VDH ~ VDD-0.02V). |+| 2 | CS | input | Overcurrent detection input / charger detection terminal. Senses the voltage across the series MOSFETs (Rds(on)) for discharge overcurrent (VDIP=100mV), charge overcurrent (VCIP=-100mV), and load short-circuit (VSIP≈0.58V) protection. Absolute max: VDD-25 V to VDD+0.3 V. |+| 3 | OC | output | Charge control MOSFET gate drive output. Drives the gate of the external N-MOSFET that controls the charge path. Goes low (VCL ~0.1V) when overcharge or charge overcurrent is detected; otherwise high (VCH ~ VDD-0.02V). High-voltage tolerant (absolute max VDD-25V to VDD+0.3V) for reverse-charger protection. |+| 4 | NC | unconnected | No connection. Leave floating on the PCB. |+| 5 | VDD | power_in | Positive power supply input; connects to the battery positive terminal through a series resistor R1 (typ. 100Ω) with a 0.1µF bypass capacitor to VSS. Operating range VDD-VSS = 1.5V to 8V. Absolute max VSS-0.3 V to VSS+10 V. Operating current typ. 3.0 µA at VDD=3.9V. |+| 6 | VSS | power_in | Ground / negative power supply input. Connects to the battery negative terminal. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | XIN FEI HONG |+| Package | SOT-23-6 |+| Category | PMIC |+| Pins | 6 |++## Ordering variants++- `FH9261-G3MG3M`+- `FH9261-G3MG3P`+- `FH9261-G3MG3J`+- `FH9261-G3MDAI`+- `FH9261-G3MDAW`+- `FH9261-G3MDAN`+- `FH9261-G3MDCJ`+- `FH9261-G3MDAF`+- `FH9261-G3MDAM`+- `FH9261-G3MDCH`+- `FH9261-G3MDAP`+- `FH9261-G3MDAU`+- `FH9261-G3MDBG`+- `FH9261-G3MDAH`+- `FH9261-G3MDAQ`++## CAD (KiCad official)++- Symbol: `FH9261-G3M`+- 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:** [XIN FEI HONG datasheet](docs/fh9261-g3m-datasheet.pdf) (18 pp, sha256 `3215be66c4cfc32f`, 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/fh9261-g3m-datasheet.pdf)
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