L99H92 datasheet(36/77 Pages) STMICROELECTRONICS

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5.7.1

Open-load monitoring external full-bridges

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

6 V ≤ VDH ≤ 28 V; 6 V ≤ VS ≤ 28 V; TJ = -40 °C to 150 °C, unless otherwise specified.

Table 29. Open-load monitoring external full-bridges

Item

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

5.7.23

VODSL

Low-side drain-source

monitor low off-

threshold voltage

VSLx = 0 V;

VDH = 13.5 V

0.1 VDH

0.15 VDH

0.2 VDH

5.7.24

VODSH

Low-side drain-source

monitor high off-

threshold voltage

VSLx = 0 V;

VDH = 13.5 V

0.76 VDH

0.81 VDH

0.85 VDH

5.7.25

VOLSHx

Output voltage of

selected SHx in open-

load test mode

VSLx = 0 V;

VDH = 13.5 V

0.49 VDH

0.5 VDH

0.51 VDH

5.7.26

RpdOL

Pull-down resistance of

the non-selected SHx

pin in open-load mode

VSLx = 0 V;

VDH = 13.5 V;

VSHX = 4.5 V

kΩ

5.8

Current sense amplifiers (CSA)

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

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

Table 30. Current sense amplifiers

Item

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

5.8.1

VICM

Common mode input

voltage

-2

VDH+2

5.8.2

Operational amplifiers

gains

GCSAn [1:0]=0 n=1,2;

VDH=12.5V

-6%

5.8.3

GCSAn [1:0]=1 n=1,2;

VDH=12.5V

-6%

5.8.4

GCSAn [1:0]=2 n=1,2;

VDH=12.5V

-4%

5.8.5

GCSAn [1:0]=3 n=1,2;

VDH=12.5V

-4%

100

5.8.6

dG/dT

Gains thermal drifts

VDH=12.5V

-1%(1)

1%(1)

5.8.7

VO0

Offset on op-amp

output

CSAnOO = 0; n=1,2

VDD/22

5.8.8

VO1

CSAnOO = 1 n=1,2;

VDH=12.5V

VDD/2

5.8.9

VIO0

Input offset

GCSAn [1:0]=0 n=1,2;

VDH=12.5 V

VO0

-10

+10

5.8.10

VIO1

GCSAn [1:0]=1 n=1,2;

VDH=12.5V

VO0

-8.5

+8.5

5.8.11

VIO2

GCSAn [1:0]=2 n=1,2;

VDH=12.5 V

VO0

-3

L99H92

Current sense amplifiers (CSA)

DS14069 - Rev 4

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