component
SD8052
Public Unreviewedby Ray
SHOUDING Battery Management, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSD8052
SHOUDING · Battery Management · SOT-23-5
SD8052 from SHOUDING, 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 while charging; goes high-impedance when charge completes. In the low-battery lockout condition CHRG also goes high-impedance; with ~1 μF from BAT to GND this pin will flash quickly when no battery is present, giving a battery-present indication. Typical weak pull-down current 20 μA at VCHRG=5 V. |
| 2 | GND | power_in | Device ground / return. |
| 3 | BAT | power_out | Charge current output to the Li-Ion cell. Supplies charge current and regulates the float voltage to 4.2 V ±1%. An internal precision resistor divider senses this pin; when the battery is reversed the internal protection prevents damage to the VBAT ESD diode and about 0.7 mA flows from GND to BAT. |
| 4 | VCC | power_in | Positive supply input to the charger. Operates from 4.25 V to 6.5 V and requires at least a 1 μF bypass capacitor. When VCC drops within 30 mV of VBAT the SD8052 enters standby and BAT current falls below 2 μA. |
| 5 | PROG | bidirectional | Charge-current program, monitor, and shutdown pin. A resistor from PROG to GND (1% tolerance) sets constant-current charge current: IBAT = (VPROG/RPROG) × 1000, with VPROG ≈ 1.0 V in constant-current mode. Pulling PROG above the ~1.21 V manual-shutdown threshold (via a ~3 μA pull-up from an external source) puts the part into shutdown (input current drops to ~25 μA); driving PROG above the ~2.4 V clamp yields about 1.5 mA sink to that pin. Reconnecting PROG to GND resumes normal charging. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | SHOUDING |
| Package | SOT-23-5 |
| Category | PMIC |
| Pins | 5 |
CAD (KiCad official)
- Symbol:
SD8052 - 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: SHOUDING datasheet (7 pp, sha256
d4f0cebb981b1ecc, retrieved 2026-08-17, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- 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).