VN7040ASTR datasheet(2/55 Pages) STMICROELECTRONICS

2 / 55 page

Contents

VN7040AJ, VN7040AS

2/55

DocID027400 Rev 3

Contents

Block diagram and pin description................................................7

Electrical specification....................................................................9

2.1

Absolute maximum ratings................................................................9

2.2

Thermal data...................................................................................10

2.3

Main electrical characteristics .........................................................10

2.4

Waveforms......................................................................................22

2.5

Electrical characteristics curves ......................................................24

Protections.....................................................................................28

3.1

Power limitation...............................................................................28

3.2

Thermal shutdown...........................................................................28

3.3

Current limitation.............................................................................28

3.4

Negative voltage clamp...................................................................28

Application information ................................................................29

4.1

GND protection network against reverse battery.............................29

4.1.1

Diode (DGND) in the ground line ..................................................... 30

4.2

Immunity against transient electrical disturbances..........................30

4.3

MCU I/Os protection........................................................................31

4.4

Multisense - analog current sense ..................................................31

4.4.1

Principle of Multisense signal generation......................................... 33

4.4.2

TCASE and VCC monitor................................................................. 35

4.4.3

Short to VCC and OFF-state open-load detection ........................... 36

Maximum demagnetization energy (VCC = 16 V) ........................37

Package and PCB thermal data....................................................38

6.1

PowerSSO-16 thermal data ............................................................38

6.2

SO-8 thermal data...........................................................................41

Package information .....................................................................44

7.1

PowerSSO-16 package information ................................................44

7.2

SO-8 package information ..............................................................46

7.3

PowerSSO-16 packing information .................................................47

7.4

SO-8 packing information................................................................49

7.5

PowerSSO-16 marking information.................................................51

7.6

SO-8 marking information ...............................................................52

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