PMS150C-U06 from PADAUK Tech, 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	PA4/CIN+/CIN4-/TM2PWM	bidirectional	Port A bit 4. General-purpose digital I/O with software-selectable pull-up (~100 kΩ @5V), Schmitt-trigger input, and normal/low drive strength (typ 14.5 mA sink / -10.5 mA drive @5V normal). Muxed alternate functions: comparator plus-input (CIN+), comparator minus-input 4 (CIN4-), and 8-bit Timer2 PWM output (TM2PWM). Can serve as a wake-up source in sleep mode.
2	GND	power_in	Ground / negative supply reference (0 V). All VSS reference for logic, IO, oscillators, comparator, and analog blocks.
3	PA6/CIN2-	bidirectional	Port A bit 6. General-purpose digital I/O with software-selectable pull-up, Schmitt-trigger input, and two-state output; drive/sink current as per IO spec (typ 14.5 mA sink / -10.5 mA drive @5V normal). Alternate function is comparator minus-input source 2 (CIN2-). Can wake the system from sleep mode.
4	PA5/PRST#	bidirectional	Port A bit 5. Digital input or open-drain output with pull-up resistor. Alternate function is hardware reset input (PRST#, active low). VIH threshold is 0.8·VDD (higher than other IOs which use 0.6·VDD). Can wake the system from sleep mode when enabled in padier.
5	VDD	power_in	Positive supply, 2.0 V to 5.5 V (subject to LVR tolerance). Powers digital core, IO, oscillators, and analog blocks. Selectable LVR levels: 4.0/3.5/3.0/2.75/2.5/2.2/2.0/1.8 V.
6	PA3/CIN1-/TM2PWM	bidirectional	Port A bit 3. General-purpose digital I/O with software-selectable pull-up, Schmitt-trigger input, and two-state output. Alternate functions: comparator minus-input source 1 (CIN1-) and 8-bit Timer2 PWM output (TM2PWM). Can wake the system from sleep mode.

Key specifications

Parameter	Value
Manufacturer	PADAUK Tech
Package	SOT-23-6
Category	MCU
Pins	6

Ordering variants

Same part, different packaging or reel option.

PMS150C-U06
PMS150C-U06S08
PMS150C-U06D08

CAD (KiCad official)

Symbol: PMS150C-U06
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
`pms150c-u06.step`	97 KB	You want the bare part, or you mark your own boards.
`pms150c-u06-etched.step`	2.3 MB	You want the part with `PMS150C-U06` already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 542 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: PADAUK Tech datasheet (67 pp, sha256 ca7c532a9958e4de, 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