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SD8003

Public Made by Adom

by adom

SHOUDING Battery Management ICs, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SD8003

SHOUDING · Battery Management ICs · SOT-23-6

SD8003 from SHOUDING, in a SOT-23-6. 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 N-channel MOSFET while charging; high impedance when the charge cycle is completed.
2 GND power_in Ground.
3 BAT power_out Charge current output to the battery that regulates the final float voltage to 4.2V, should be bypassed with at least a 1uF capacitor, and is disconnected from the internal divider in shutdown.
4 VCC power_in Positive input supply voltage ranging from 4.5V to 6V, should be bypassed with at least a 10uF capacitor.
5 LD output Open-drain charge status output that is pulled low when the charge cycle is completed, indicating an AC present condition (complementary to CHRG).
6 PROG bidirectional Charge current program, charge current monitor and shutdown pin; a 1% resistor RPROG to ground sets the current, the pin servos to 1V in constant-current mode, and IBAT = (VPROG/RSET)*900.

Key specifications

Parameter Value
Manufacturer SHOUDING
Package SOT-23-6
Category Power Management ICs
Pins 6

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 4.75 5 6 V 4
Regulated Output (Float) Voltage VFLOAT 4.15 4.2 4.24 V 0℃≤TA≤85℃, IBAT = 50mA 4
Input Supply Voltage (VCC) abs max VCC -0.3 7 V 3
PROG pin voltage abs max PROG -0.3 V max is VCC + 0.3V 3
BAT pin voltage abs max BAT -0.3 7 V 3
CHRG pin voltage abs max CHRG -0.3 7 V 3
BAT Pin Current 800 mA 3
Maximum Junction Temperature 125 ℃ 3
Operating Ambient Temperature Range -40 85 ℃ Note 2 3
Storage Temperature Range -65 125 ℃ 3
Lead Temperature 300 ℃ Soldering, 10 sec 3
Input Supply Current, Standby ICC 48 uA Standby Mode (Charge Terminated) 4
Input Supply Current, Shutdown ICC 80 uA Shutdown Mode (RPROG Not Connected, VCC < VBAT) 4
BAT Pin Current IBAT 90 mA RPROG = 10k, Current Mode 4
BAT Pin Current IBAT 450 mA RPROG = 2k, Current Mode 4
BAT Pin Current, Standby IBAT 7 uA Standby Mode, VBAT = 4.2V 4
BAT Pin Current, Shutdown IBAT 13 uA Shutdown Mode (RPROG Not Connected) 4
BAT Pin Current, Sleep IBAT 0.1 uA Sleep Mode, VCC = 0V 4
Trickle Charge Current ITRIKL 45 mA VBAT < VTRIKL, RPROG = 2k 4
Trickle Charge Threshold Voltage VTRIKL 2.9 V RPROG = 10k, VBAT Rising 4
C/10 Termination Current Threshold ITERM 45 mA RPROG = 2k 4
PROG Pin Voltage VPROG 1 V RPROG = 2k, Current Mode 4
Recharge Battery Threshold Voltage ΔVRECHRG 250 mV VFLOAT - VRECHRG 4
Power FET ON Resistance RON 660 mΩ Between VCC and BAT 4

CAD (KiCad official)

  • Symbol: SD8003
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: sd8003-etched.step / sd8003-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sd8003.step / sd8003.glb are the bare package body.

Provenance

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

  • Datasheet: SHOUDING datasheet (7 pp, sha256 9e250bd95c7332e1, retrieved 2026-10-23, 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