AP5054HTCER

@@ -0,0 +1,46 @@+# AP5054HTCER++**Wuxi Chipown Micro electronics** · Battery Management · SOT-23-6L++AP5054HTCER from Wuxi Chipown Micro electronics, in a SOT-23-6L. 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 output. Pulled low by an internal N-channel MOSFET while charging; goes high-impedance during undervoltage lockout or upon completion of the charge cycle. Typical low-level output voltage is 1.2V at 1mA (max 1.5V). |+| 2 | GND | power_in | Device ground reference. |+| 3 | BAT | power_out | Charge current output to the Li-Ion battery. Regulates the final float voltage to 4.2V (4.16-4.24V) and supplies up to ~750mA. An internal precision resistor divider from this pin sets the float voltage and is disconnected in shutdown mode. |+| 4 | VCC | power_in | Positive input supply. Operates from 4.25V to 5.5V (absolute range 4.25V-20V with 5.8-6.4V OVP). Bypass with at least a 1uF capacitor. When VCC drops within ~30mV of VBAT the device enters shutdown, dropping IBAT to <2uA. |+| 5 | STDBY | output | Open-drain standby/charge-complete status output. Pulled low by an internal switch when the battery charge is complete; otherwise high-impedance. Typical low-level output voltage is 1.2V at 1mA (max 1.5V). Used to drive a 'charge done' indicator (e.g., green LED). |+| 6 | PROG | bidirectional | Charge current program, charge current monitor, and shutdown pin. Program charge current with a 1% resistor RPROG to GND: IBAT = (VPROG/RPROG) * 1000. Servos to 0.1V in trickle mode and 1.0V in constant-current mode. Floating RPROG lets an internal 3uA pull-up drive the pin to the 1.21V shutdown threshold, entering shutdown (Icc drops to ~180uA); pin is clamped near 2.4V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Wuxi Chipown Micro electronics |+| Package | SOT-23-6L |+| Category | PMIC |+| Pins | 6 |++## Ordering variants++- `AP5054HTCERHTCER`+- `AP5054HTCERHTBER`++## CAD (KiCad official)++- Symbol: `AP5054HTCER`+- Footprint: `Package_TO_SOT_SMD:SOT-23-6`+- 3D model: SOT-23-6L (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Wuxi Chipown Micro electronics datasheet](docs/ap5054htcer-datasheet.pdf) (9 pp, sha256 `f9660d41db9e14d7`, 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/ap5054htcer-datasheet.pdf)

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