STPM098C datasheet(104/110 Pages) STMICROELECTRONICS

104 / 110 page

Contents

Block diagram and pins description................................................3

1.1

Block diagram ................................................................. 3

1.2

Pins description ................................................................ 4

Maximum ratings ..................................................................7

2.1

Maximum operating range (MOR)................................................. 7

2.1.1

Functional operating range ................................................. 7

2.1.2

Parametrical operating range (recommended operating range) ..................... 7

2.1.3

Absolute maximum rating (AMR)............................................. 8

2.2

ESD resistivity ................................................................. 9

2.3

Temperature ranges and thermal data ............................................. 9

Functional description ............................................................11

3.1

Internal supply ................................................................ 11

3.1.1

VCC power supply ...................................................... 11

3.1.2

VREF1 regulator ........................................................ 13

3.1.3

VREF2 regulator ........................................................ 16

3.2

Device operation state machine ................................................. 19

3.3

BIST mode ................................................................... 21

3.4

Fault handling management (FHM) .............................................. 23

3.4.1

Fault handling configuration (FHC) registers ................................... 24

3.4.2

Fault reaction scenarios .................................................. 26

3.5

Recommended power-up/power-down sequences.................................. 34

3.5.1

Loop start/stop sequence ................................................. 37

3.6

Digital I/O .................................................................... 39

3.6.1

Digital input (DI) ........................................................ 39

3.6.2

Digital output (DO) ...................................................... 40

3.7

Internal clock ................................................................. 40

3.7.1

Spread spectrum modulation (SSM) ......................................... 41

3.7.2

Internal clock monitor (ICM) ............................................... 42

3.8

Ground loss monitor (GLM) ..................................................... 42

3.9

Overtemperature monitor (OTM)................................................. 43

3.10

Auxiliary voltage monitor (AVM) ................................................. 45

3.11

Input metrics telemetry (IMT).................................................... 47

3.11.1

Input voltage measurement................................................ 47

3.11.2

Input current measurement ................................................ 49

3.11.3

Input power calculation ................................................... 51

STPM098C

Contents

DS14440 - Rev 1

page 104/110

STPM098C 数据表(PDF) 104 Page - STMicroelectronics

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