STNRGPF01 datasheet(20/40 Pages) STMICROELECTRONICS

20 / 40 page

Pinout and pin description

STNRGPF01

20/40

DocID030377 Rev 2

SIN_REF

This pin generates a PWM signal with the sinusoidal duty cycle. This PWM signal

must be filtered in order to have the current sinusoidal reference that is synchronized

with input voltage mains.

FAN

It generates a CMOS/TTL signal that is low until the PFC output power is below a

threshold defined during device customization.

RELAY

It generates a CMOS/TTL signal. This signal becomes high after a settable time

defined during device customization. It is useful to perform the inrush current limiter

function.

PTX

Programming data transmit

PRX

Programming data receive

OUT_PI[3]

Positive input of the internal analog comparator 3. It receives the out of the analog PI

current.

OUT_PI[2]

Positive input of the internal analog comparator 3. It receives the out of the analog PI

current.

TRIANG

REF

Negative input analog comparators 3 and 2. It receives the voltage triangular

waveform.

OCP[0]

Input overcurrent protection

OCP[1]

Inductor overcurrent protection

VDDA

Analog supply voltage

VSSA

Analog ground

VIN

This pin measures the RMS input voltage.

TEMP

This pin measures the ambient board temperature. This measurement is performed

using the STLM20 device, which gives an output voltage proportional to temperature.

IOUT

This pin measures the PFC output current.

VOUT

This pin measures the PFC output voltage.

RI[1]

Reserved. This pin must be pulled down by means a 10 k

 resistor.

RI[2]

Reserved. This pin must be pulled down by means a 10 k

 resistor.

RI[3]

Reserved. This pin must be pulled down by means a 10 k

 resistor.

RI[4]

Reserved. This pin must be pulled down by means a 10 k

 resistor.

1. In Table 3 a legend describing pin type is provided.

Table 2. Pin description (continued)

No. Type(1)

Name

Pin description

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