VN7140ASTR datasheet(2/55 Pages) STMICROELECTRONICS

2 / 55 page

Contents

VN7140AJ, VN7140AS

2/55

DocID027401 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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