ICE3PCS01G from Infineon, in a SOIC-14. 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	BOFO	output	Boost Follower setting. An external DC voltage on this pin indicates the PWM output power level; used to select the boost follower low step. Set with an external resistor divider (R_BOFO1..2, ~200 kΩ).
2	ISENSE	input	Current Sense Input. Senses the voltage drop across the external shunt resistor R_SHUNT for average current control loop and peak current limitation. A series resistor R_CS (~50 Ω) is recommended in series to limit inrush current into the pin.
3	SGND	power_in	Signal Ground. Ground reference of the IC signal-level circuitry; kept separate from the power/gate switching ground (PGND).
4	ICOMP	output	Current Loop Compensation. Low-pass filter/compensation node for the current control loop; external capacitor C_ICOMP (~4.7 nF/25 V) to SGND integrates the OTA6 output and averages the current sense signal. Internally shorted to 5 V in standby.
5	FREQ	input	Switching Frequency Setting. Set the operating frequency (21 kHz to 100 kHz) via a resistor R_FREQ to SGND (e.g. 67 kΩ → ~65 kHz). Also serves as the external synchronization input when driven by an external pulse >2.5 V.
6	VB_OK	output	Bulk Voltage OK signal. Internally pulled up to 5 V once the bulk voltage exceeds 95% of the rated level; pulled to ground when VSENSE falls below the VBTHL_EN threshold. Can be used to enable the downstream PWM IC or an inrush relay.
7	VBTHL_EN	input	PFC Enable Function / VB_OK turn-off threshold. An external reference sets the VB_OK signal turn-off threshold. Pulling this pin below 0.5 V shuts down the IC.
8	VREF	power_out	Voltage Reference. 5 V internal regulator output with minimum 5 mA sourcing capability; bypass with ~100 nF/25 V to SGND.
9	BOP	input	Brownout Protection. Monitors the AC input voltage for brownout protection and line-range selection via an external RC divider from the rectified AC (BOP threshold >1.25 V for start-up).
10	OVP	input	Over Voltage Protection. Additional resistive divider from bulk voltage to SGND sets the secondary over-voltage protection threshold to ensure safe system operation.
11	VSENSE	input	Bulk Voltage Sense. Connected via a resistive divider to the boost output bulk voltage; feeds the sigma-delta ADC (2.5 V internal reference, 3.55 kHz sampling) used for voltage regulation, over-voltage and open-loop protection.
12	VCC	power_in	IC Supply Voltage. Main supply for the IC section, up to 25 V. UVLO turn-on at 12.0 V (with VSENSE >0.5 V and BOP >1.25 V); turn-off below 11 V. Typical operating current 6.7 mA, standby ~1.4 mA.
13	GATE	output	Gate Drive Output for the external PFC boost MOSFET. Gate drive voltage is clamped at 15 V (typical); series resistor R_GATE ~3.3 Ω recommended.
14	PGND	power_in	Power Ground / Gate Switching Ground. Return path for the gate driver current; kept separate from SGND for noise isolation.

Key specifications

Parameter	Value
Manufacturer	Infineon
Package	SOIC-14
Category	PMIC
Pins	14

Ordering variants

Same part, different packaging or reel option.

ICE3PCS01GG

CAD (KiCad official)

Symbol: ICE3PCS01G
Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
3D model: SOIC-14 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File	Size	Use it when
`ice3pcs01g.step`	195 KB	You want the bare part, or you mark your own boards.
`ice3pcs01g-etched.step`	2.5 MB	You want the part with `ICE3PCS01G` already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 624 faces against 237 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: Infineon datasheet (22 pp, sha256 24cecdf8968137bc, 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