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ME4055AM6G-N
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MICRONE Battery Management, SOT-23-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+46@@ -0,0 +1,46 @@+# ME4055AM6G-N++**MICRONE** · Battery Management · SOT-23-6++ME4055AM6G-N from MICRONE, 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 | CHRG | output | Open-drain charge-status indicator. Internal switch pulls CHRG low while the battery is being charged; high-impedance in all other states. VOL ≈ 0.3 V (max 0.6 V) at ICHRG = 5 mA. Absolute-max pin voltage -0.3 V to 10 V. |+| 2 | GND | power_in | Device ground / power return. |+| 3 | BAT | power_out | Battery-connection pin. Delivers charge current to the single-cell Li-Ion battery and senses cell voltage for regulation. Float voltage is 4.2 V (ME4055A) or 4.34 V (ME4055D). Absolute-max pin voltage -0.3 V to 10 V; absolute-max pin current 800 mA. |+| 4 | VCC | power_in | Chip supply input from adapter or USB. Operating range 4.0 V-9.0 V (recommended ≤5.5 V for full 0.8 A charging). When VCC falls to within 80 mV of VBAT the internal pass device turns off and the part enters sleep mode (battery leakage < 2 µA). UVLO ≈ 3.7 V with ~200 mV hysteresis. |+| 5 | STDBY | output | Open-drain charge-termination status indicator. Internal switch pulls STDBY low when the charge cycle has terminated (C/10); high-impedance otherwise. VOL ≈ 0.3 V (max 0.6 V) at ISTDBY = 5 mA. Absolute-max pin voltage -0.3 V to 10 V. |+| 6 | PROG | bidirectional | Constant-current program and charge-current monitor. Program the fast-charge current with a resistor RPROG to GND: IBAT = (VPROG / RPROG) × 1270, VPROG ≈ 1.0 V. Voltage on PROG mirrors the actual charge current (÷1270). Absolute-max pin current 1200 µA; internal pull-up ≈ 2 µA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | MICRONE |+| Package | SOT-23-6 |+| Category | PMIC |+| Pins | 6 |++## Ordering variants++- `ME4055AM6G-NAM6G-N`+- `ME4055AM6G-NDM6G-N`++## CAD (KiCad official)++- Symbol: `ME4055AM6G-N`+- 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:** [MICRONE datasheet](docs/me4055am6g-n-datasheet.pdf) (14 pp, sha256 `7c380d4bc9fd02c9`, 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/me4055am6g-n-datasheet.pdf)
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