L99DZ320 datasheet(23/146 Pages) STMICROELECTRONICS

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2.4.12

Output current thresholds

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

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

Table 18. Output current thresholds

Symbol

Parameter

Test condition

Min. Typ. Max. Unit Item

|ISC6|

Short-current threshold HS and

VS = 13.5 V, V1 = 5 V, sink full VS

range is specified by design

D.049

|ISC4|

Short-current threshold HS and

VS = 13.5 V, V1 = 5 V, sink full VS

range is specified by design

D.119

|ISC5|

Short-current threshold HS and

VS = 13.5 V, V1 = 5 V, sink full VS

range is specified by design

D.120

|IOC4|

Overcurrent threshold HS and

VS = 13.5 V, sink and source

9.2

D.124

|IOC5th1|

Overcurrent threshold HS and

LS of HB5 (config. 1)

VS = 13.5 V,

Current limitation set by CR16,

bit 14 and 15

3.4

5.3

D.125

|IOC5th2|

Overcurrent threshold HS and

LS of HB5 (config. 2)

5.1

7.9

D.126

|IOC5th3|

Overcurrent threshold HS and

LS of HB5 (config. 3)

7.5

10.5

D.127

|IOC6th1|

Overcurrent threshold HS and

LS of HB6 (config. 1)

VS = 13.5 V,

Current limitation set by CR16,

bit 16 and 17

1.5

2.7

D.128

|IOC6th2|

Overcurrent threshold HS and

LS of HB6 (config. 2)

2.25

D.129

|IOC6th3|

Overcurrent threshold HS and

LS (config. 3)

4.9

D.052

|IOC7|

Overcurrent threshold HS in low

on-resistance mode

VS = 13.5 V, source

1.5

2.5

D.053

Overcurrent threshold HS in high

on-resistance mode

0.35

0.65

D.054

|IOC8|, |IOC9|

Overcurrent threshold HS

0.5

D.059

|IOC11|, |IOC12|,

|IOC13|, |IOC14|,

|IOC15|, |IOC0|

0.19

0.35

D.062

|ICCM7|, |ICCM8|,

|ICCM9|, |ICCM11|,

|ICCM12|, |ICCM13|,

|ICCM14|, |ICCM15|,

|ICCM0|

Constant current mode value for

HS7 (in high on-resistance

mode) to HS15 and HS0

VS = 13.5 V;

HSx_CCM = 1 (x = 7 to 15, 0 )

100

mA D.064

tCCMtimeout

Constant current mode

expiration time

HSx_CCM = 1 (x = 7 to 15, 0 )

tested by scan

ms D.065

tFSC

Filter time of short-current signal

in half bridge outputs

Tested by scan

6.5

µs

D.066

tFOC

Filter time of overcurrent signal

in HS11, .., HS15 and HS0

Tested by scan

38.4

67.6

µs

D.137

tBLK

Blanking time of overcurrent

signal (all outputs) and of short-

circuit current signal in half

bridges

Tested by scan

µs

D.067

L99DZ320

Electrical specifications

DS14235 - Rev 5

page 23/146

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