VNF9D5F datasheet(102/108 Pages) STMICROELECTRONICS

102 / 108 page

SOCR ....................................................................... 40

CTRL ........................................................................ 41

FSITCRx ..................................................................... 43

OUTSRx ..................................................................... 44

ADCxSR ..................................................................... 45

ADC9SR ..................................................................... 46

ADCLSR ..................................................................... 47

ADCMSR ..................................................................... 48

ADCHSR ..................................................................... 49

ITCNTSR ..................................................................... 50

ITSTSR ...................................................................... 51

Diagnostic........................................................................52

5.1

Digital current sense diagnostic.................................................. 52

5.1.1

ADC characteristics...................................................... 52

5.1.2

ADC operating principle .................................................. 52

5.1.3

Registers.............................................................. 54

5.1.4

Synchronous, asynchronous mode .......................................... 54

5.2

Integrated LP (progressive average) filter ......................................... 57

5.3

Digital diagnostic .............................................................. 58

5.3.1

Status register.......................................................... 59

5.4

Overload (VDS high voltage, overload - OVL)...................................... 59

5.5

Open-load on-state detection ................................................... 59

5.6

Open-load off-state detection.................................................... 60

5.7

Direct input status bits in OUTSRx (DIENSR) ...................................... 60

5.8

Channel feedback status bit in OUTSRx (CHFBSR) ................................ 60

5.9

Channel Latch-off status bit in OUTSRx (CHLOFFSR) .............................. 61

Programmable blanking window (PBW) ...........................................62

6.1

Timer........................................................................ 62

6.2

Blanking window values ........................................................ 63

6.3

Power limitation counter ........................................................ 64

6.4

Fail-safe mode................................................................ 64

6.5

Registers .................................................................... 65

6.6

Digital power management ..................................................... 65

Capacitive charging mode (CCM) .................................................66

Parallel mode.....................................................................67

Safety-related functions ..........................................................68

VNF9D5F

Contents

DS13946 - Rev 8

page 102/108

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