L99H92 datasheet(72/77 Pages) STMICROELECTRONICS

72 / 77 page

Contents

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

1.1

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

1.2

Pinout ........................................................................ 3

1.3

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

Device description.................................................................6

2.1

Supply pins ................................................................... 6

2.1.1

VS overvoltage warning (VSOVW) ........................................... 6

2.1.2

VDH overvoltage (VDHOV) ................................................. 6

2.1.3

VDH undervoltage (VDHUV) ................................................ 6

2.1.4

VDD overvoltage (VDDOV) ................................................. 7

2.1.5

Digital input/output overvoltage (DIOOV) ...................................... 7

2.1.6

Power-on reset (POR)..................................................... 7

2.2

Standby mode (EN) ............................................................ 7

2.3

Active mode (OUTE)............................................................ 7

2.4

Thermal warning and thermal shutdown (TW/TSD) .................................. 8

2.5

Charge pump (CPOUT) ......................................................... 8

2.6

Gate drivers ................................................................... 9

2.6.1

Outputs driving signals (PWM/IN1 and DIR/IN2) ................................ 9

2.6.2

Slew rate control (SLEW) ................................................ 10

2.6.3

Short circuit detection / drain-source monitoring (DSHS/DSLS) ................... 11

2.6.4

Programmable cross current protection time (DT) .............................. 12

2.7

Diagnostic in off-mode (O1DS/O2DS) ............................................ 12

2.8

Fail-safe output switch-off input not pin (FSINB) .................................... 15

2.9

Diagnostic not output (DIAGN) .................................................. 15

2.10

Current monitors .............................................................. 15

2.11

Window watchdog (WDG) ...................................................... 16

Application .......................................................................17

Serial peripheral interface (SPI) ...................................................18

4.1

ST SPI 4.1 ................................................................... 18

4.1.1

Physical layer ......................................................... 19

4.1.2

Clock and data characteristics ............................................ 19

4.1.3

Communication protocol ................................................. 19

4.1.4

Address definition ....................................................... 22

Electrical characteristics..........................................................27

5.1

Absolute maximum ratings...................................................... 27

L99H92

Contents

DS14069 - Rev 4

page 72/77

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