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SD8054

SHOUDING · Battery Management ICs · SOT-23-5

SD8054 from SHOUDING, 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 that is pulled low by an internal N-channel MOSFET while charging and goes high impedance when the charge cycle completes or reverse battery lockout is detected.
2 GND power_in Ground reference pin for the charger.
3 BAT output Charge current output to the battery that regulates the final float voltage to 4.2V and should be bypassed with at least a 1uF capacitor.
4 VCC power_in Positive input supply that powers the charger, can range from 4.30V to 6.5V, and should be bypassed with at least a 1uF capacitor.
5 PROG bidirectional Charge current program, monitor and shutdown pin: a 1% resistor to ground sets the charge current, the pin servos to 1V in constant-current mode, and a 1.21V shutdown threshold stops charging.

Key specifications

Parameter Value
Manufacturer SHOUDING
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 Supply Voltage VCC 4.5 5 6.5 V 4
Regulated Output (Float) Voltage VFLOAT 4.15 4.2 4.24 V 0℃≤TA≤85℃, IBAT = 50mA 4
BAT Pin Current, Current Mode IBAT 83 89 97 mA RPROG = 10k, Current Mode 4
BAT Pin Current, Current Mode IBAT 410 445 470 mA RPROG = 2k, Current Mode 4
Trickle Charge Current ITRIKL 15 39 65 mA VBAT < VTRIKL, RPROG = 2k 4
PROG Pin Voltage VPROG 0.94 1.02 1.08 V RPROG = 10k, Current Mode 4
Efficiency Power FET ON Resistance (Between VCC and BAT) RON 660 m Between VCC and BAT 4
Input Supply Voltage (absolute maximum) VCC -0.3 7 V 3
PROG Pin Voltage (absolute maximum) PROG -0.3 V Maximum is VCC + 0.3V 3
BAT Pin Voltage (absolute maximum) BAT -0.3 7 V 3
CHRG Pin Voltage (absolute maximum) CHRG -0.3 7 V 3
BAT Pin Current 800 mA 3
Maximum Junction Temperature 125 ℃ 3
Operating Ambient Temperature Range TA -40 85 ℃ 3
Storage Temperature Range -65 125 ℃ 3
Lead Temperature (Soldering) 300 ℃ 10 sec 3

CAD (KiCad official)

  • Symbol: SD8054
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: sd8054-etched.step / sd8054-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sd8054.step / sd8054.glb are the bare package body.

Provenance

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

  • Datasheet: SHOUDING datasheet (6 pp, sha256 716e4c462271ec57, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed (audit)), 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