DW01 from JSMSEMI, in a SOT-23-6. 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	OD	output	Discharge control FET gate drive output. Drives the gate of external discharge N-MOSFET (M1). High (~VDD) in normal mode, pulled to VSS to disable discharge on overdischarge or overcurrent detection.
2	CSI	bidirectional	Current sense input and charger detect pin. Monitors voltage between VSS and battery negative terminal via external 1kΩ resistor for overcurrent/short-circuit sensing (VOI1=0.15V, VOI2=1.3V) and charger presence (VCH=-0.7V). Internally pulled to VSS during protection states.
3	OC	output	Charge control FET gate drive output. Drives the gate of external charge N-MOSFET (M2). High (~VDD) in normal mode, pulled low to disable charging on overcharge detection.
4	NC	unconnected	No internal connection. Leave floating or tie to any convenient net per PCB layout.
5	VDD	power_in	Positive supply input pin. Connect to the battery positive terminal through a 100Ω series resistor with a 0.1µF decoupling capacitor to VSS. Operating range 1.5V to 8V; typical operating current 4µA at 3.9V.
6	VSS	power_in	Negative supply / ground pin. Connect directly to the battery negative terminal; serves as reference for all voltage detection thresholds.

Key specifications

Parameter	Value
Manufacturer	JSMSEMI
Package	SOT-23-6
Category	PMIC
Pins	6

Ordering variants

Same part, different packaging or reel option.

DW01

CAD (KiCad official)

Symbol: DW01
Footprint: Package_TO_SOT_SMD:SOT-23-6
3D model: SOT-23-6 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File	Size	Use it when
`dw01.step`	97 KB	You want the bare part, or you mark your own boards.
`dw01-etched.step`	958 KB	You want the part with `DW01` already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 244 faces against 117 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

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

Datasheet: JSMSEMI datasheet (8 pp, sha256 b73811b36019c9c4, 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