L99H92 datasheet(39/77 Pages) STMICROELECTRONICS

tên linh kiện	L99H92

Giải thích chi tiết về linh kiện	Half-bridge pre-driver for automotive applications

PDF	77 Pages

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nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

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5.12

Watchdog

Table 34. Watchdog

Item

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

5.12.1

tLOW

Long open window

Tested by scan

5.12.2

tCW

Closed window

Tested by scan

5.12.3

tWDP

Watchdog period

Tested by scan

Figure 19. Watchdog early, late, and safe window

GADG120920221035SA

5.13

SPI electrical characteristics

The voltages are referred to ground and currents are assumed positive, when the current flows into the pin. 6 V ≤

VS ≤ 18 V; TJ = -40 °C to 150 °C, unless otherwise specified.

Table 35. Inputs: CSN, CLK, PWM, DIR, EN and SDI

Item

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

5.13.1

VIL

Low-level input

voltage

1.0

5.13.2

VIH

High-level input

voltage

2.3

5.13.4

ICSN_in

Pull-up resistor CSN

VCSN= 0V

kΩ

5.13.5

ICLK_in

Pull-down current at

input

CLK

VCLK = 1.5 V

μA

5.13.6

ISDI_in

Pull-down current at

input DI

VDI = 1.5 V

μA

5.13.7

IDIR_in

Pull-down current at

input DIR

VDIR = 1.5 V

μA

5.13.8

IPWM_in

Pull-down current at

input

PWM

VPWM = 1.5 V

μA

5.13.10

Cin(1)

Input capacitance at

input

0 V < VDD < 5.3

L99H92

Watchdog

DS14069 - Rev 4

page 39/77

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