VN7140AS12 datasheet(2/39 Pages) STMICROELECTRONICS

2 / 39 page

Contents

VN7140AS12

2/39

DocID029756 Rev 2

Contents

Block diagram and pin description ................................................ 5

Electrical specification.................................................................... 7

2.1

Absolute maximum ratings ................................................................ 7

2.2

Thermal data ..................................................................................... 8

2.3

Main electrical characteristics ........................................................... 8

2.4

Waveforms ...................................................................................... 17

2.5

Electrical characteristics curves ...................................................... 17

Protections..................................................................................... 21

3.1

Power limitation............................................................................... 21

3.2

Thermal shutdown........................................................................... 21

3.3

Current limitation ............................................................................. 21

3.4

Negative voltage clamp ................................................................... 21

Application information ................................................................ 22

4.1

GND protection network against reverse battery............................. 22

4.1.1

Diode (DGND) in the ground line ..................................................... 23

4.2

Immunity against transient electrical disturbances .......................... 23

4.3

MCU I/Os protection........................................................................ 24

4.4

Multisense - analog current sense .................................................. 24

4.4.1

Principle of Multisense signal generation ......................................... 25

4.4.2

Short to VCC and OFF-state open-load detection ........................... 28

Maximum demagnetization energy (VCC = 16 V) ........................ 29

Package and PCB thermal data .................................................... 30

6.1

SO-8 thermal data........................................................................... 30

Package information ..................................................................... 33

7.1

SO-8 package information .............................................................. 33

7.2

SO-8 packing information................................................................ 34

7.3

SO-8 marking information ............................................................... 36

Order code ..................................................................................... 37

Revision history ............................................................................ 38

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