TDA7572 datasheet(11/64 Pages) STMICROELECTRONICS

11 / 64 page

TDA7572

Pins description

11/64

MOD2

Modulator2 Inverting / Summing node

HSD2SS

Highside2 Source sense

HSD2GD

Highside2 Gate Drive

HSD2GS

Highside2 Gate sense

HB2Out

Half-bridge2 output, HSD 1 drain sense, LSD1 Drain Sense

HB2OutFilt

Half bridge2 post-LC filter – for diagnostics

LSD2GS

Lowside2 Gate sense

LSD2GD

Lowside2 Gate Drive

LSD2SS

Lowside2 Source Sense

VSM1

Die tab connection to lowest supply voltage – gnd for single ended supplies,

negative supply for split supplies

VSM2

Die tab connection to lowest supply voltage – gnd for single ended supplies,

negative supply for split supplies

VSM3

Die tab connection to lowest supply voltage – gnd for single ended supplies,

negative supply for split supplies

VSM4

Die tab connection to lowest supply voltage – gnd for single ended supplies,

negative supply for split supplies

ShuntDriver

Shunt Driver

DC-DC

BSTVSense

Voltage feedback input for Voltage Booster

BSTSource

Boost Converter NFET Source

BSTGate

Boost Converter NFET gate drive

CSense

Inverting input for Booster Current Sensing and Digital Test Enable (operating

when is more then about 3V under the V14 pin level)

V14Sense

Non-inverting input for Booster Current Sensing

V14

Power for Boost converter gate drive and Output LSD’s

Oscillator

CLKIN/Out

Clock input

DITH

Dither capacitor

OscOut

Oscillator output

Diagnostics / Bus

I2CDATA/AttackSel

I2C data (I2C mode)

Compressor aggressiveness selection (non-bus mode)

I2CLK

I2C Clock

Table 2.

Pin list by argument (continued)

Pin #

Pin name

Description

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