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LP4063B5F

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LOWPOWER Battery Management ICs, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LP4063B5F

LOWPOWER · Battery Management ICs · SOT-23-5

LP4063B5F from LOWPOWER, in a SOT-23-5. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); 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 NMOS while charging, and pulled high by an external resistor when the charge cycle is complete (about 5mA strong pull-down, 0.1V max output low at 5mA).
2 GND power_in Connection to system ground.
3 BAT passive Connection to the battery; needs a 10µF tantalum capacitor for stability with no battery attached, or only a 1µF ceramic capacitor when a battery is attached.
4 VIN power_in Input power source connected to a wall adapter; operating range 4.4V to 6.5V, with a 3.3V typical undervoltage lockout, a 7V overvoltage threshold and a 28V absolute maximum.
5 ISET passive Charge current program pin; the charge current is set by a 1% resistor (RISET) to ground, with a recommended range of 1.3kΩ to 3.3kΩ and about 1V on the pin in current mode.

Key specifications

Parameter Value
Manufacturer LOWPOWER
Package SOT-23-5
Category Power Management ICs
Pins 5

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Input Voltage VIN 4.4 5 6.5 V TA=25°C, VIN=5V 4
Regulated Output (Float) Voltage VFLOAT 4.158 4.2 4.242 V IBAT=40mA 4
Input Supply Current IIN 1000 uA IBAT=0 4
VIN Under Voltage Lockout Threshold VUV 3.1 3.3 3.5 V From VIN Low to High 4
VIN Under Voltage Lockout Hysteresis VUV_HYS 150 mV 4
Input Voltage OVP VOVP 7 V VIN Rising 4
OVP Hysteresis VOVP_HYS 150 mV 4
BAT Pin Current IBAT 500 mA RISET=2k, Current Mode 4
BAT Pin Current IBAT 300 mA RISET=3.3k, Current Mode 4
Trickle Charge Current ITRIKL 10 % IBAT VBAT<VTRIKL, RISET=1k, Current Mode 4
Trickle Charge Threshold Voltage VTRIKL 2.6 V VBAT Rising 4
Trickle Charge Hysteresis Voltage VTRHYS 150 mV 4
Termination Current Threshold ITERM 10 % IBAT 4
ISET Pin Voltage VISET 1 V RISET=3.3k, Current Mode 4
CHRG Pin Weak Pull-Down Current ICHRG 5 uA VCHRG=5V 4
CHRG Pin Output Low Voltage VCHRG 0.1 V ICHRG=5mA 4
Recharge Battery Threshold Voltage ΔVRECHRG 150 mV VFLOAT-VRECHRG 4
Junction Temperature in Constant Temperature Mode TLIM 125 °C 4
Input Voltage to GND -0.3 28 V 3
BAT Voltage to GND -5 7 V 3
Other pin to GND -0.3 6.5 V 3
Maximum Junction Temperature 125 ℃ 3
Maximum Soldering Temperature 260 ℃ at leads, 10 sec 3
Operating Junction Temperature Range TJ -40 85 ℃ 3
Storage Temperature -65 165 ℃ 3
Maximum Power Dissipation PD 0.6 W TA=25°C 3
Thermal Resistance θJA 200 ℃/W 3
ESD HBM 2 kV Human Body Mode 3
ESD MM 200 V Machine Mode 3

CAD (KiCad official)

  • Symbol: LP4063B5F
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: lp4063b5f-etched.step / lp4063b5f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lp4063b5f.step / lp4063b5f.glb are the bare package body.

Provenance

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

  • Datasheet: LOWPOWER datasheet (6 pp, sha256 9694d86bd331ac05, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF