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LP4060B5F

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by Ray

LOWPOWER Battery Management, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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LP4060B5F

LOWPOWER · Battery Management · SOT-23-5

LP4060B5F from LOWPOWER, in a SOT-23-5. 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 (~5mA sink capability, VOL=0.35V typ at 5mA) while charging. Goes high-impedance on charge complete or under-voltage lockout; a ~5uA weak pull-down is present in manual shutdown while VCC exceeds UVLO.
2 GND power_in Device ground reference.
3 BAT power_out Charge current output to the single-cell Li-Ion battery. Regulates the final float voltage to 4.2V/4.35V (±1%) via an internal precision resistor divider. Sources up to 800mA; short-circuit tolerant continuously.
4 VCC power_in Positive input supply from a wall adapter or USB source. Operating range 3.9V to 6.5V (abs max 7V); bypass with at least 1uF. When VCC drops within 30mV of BAT, the LP4060 enters shutdown (IBAT < 1uA).
5 PROG bidirectional Charge current program and monitor pin. A 1% resistor RPROG to GND sets IBAT = 1000V / RPROG (e.g. 2kΩ = 500mA, 10kΩ = 100mA). In constant-current mode the pin servos to 1V; measuring VPROG gives an instantaneous readout of charge current. Floating this pin (RPROG removed) forces manual shutdown.

Key specifications

Parameter Value
Manufacturer LOWPOWER
Package SOT-23-5
Category PMIC
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • LP4060B5F

CAD (KiCad official)

  • Symbol: LP4060B5F
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: LOWPOWER datasheet (7 pp, sha256 e2bf429d449af837, 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