SABRE-LL-I datasheet(50/141 Pages) STMICROELECTRONICS

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Power bridges

SABRE-LL-I

50/141

14.2

Power bridges operating specifications

Table 29.

Power bridges operating specifications

Parameter

Description

Test condition

Min

Typ

Max Unit

RON_1_2

Bridge 1 and 2 diagonal Ron

I = 1.4A, VSupply = 36V,

Tjunction = 125°C

1.0

Ω

RON_3_4

Bridge 3 and 4 diagonal Ron

I = 1A, VSupply = 36V,

Tjunction = 125°C

1.5

Ω

IMax

Bridge 1 and 2 max operative

current

2.5

IMax

Bridge 3 and 4 max operative

current

1.5

Idss

Output leakage current.

Tjunction = 125°C

-50

+50

µA

IQlp

Output leakage current in

“Low Power Mode”

VSupply = 36V,

Tjunction = 125°C

-10

+10

µA

IprotL_1&2

Low side current protection

for bridges 1 & 2(1)

MtrXSideYILimSel[1:0]=00

MtrXSideYILimSel[1:0]=01

MtrXSideYILimSel[1:0]=10

MtrXSideYILimSel[1:0]=11(2)

0.6

1.4

2.4

1.6

2.6

3.6

IprotH_1&2

High side current protection

for bridges 1 & 2(1)

MtrXSideYILimSel[1:0]=00

MtrXSideYILimSel[1:0]=01

MtrXSideYILimSel[1:0]=10

MtrXSideYILimSel[1:0]=11(2)

0.7

1.5

2.5

1.7

2.7

3.7

Iprot_3

Low side current protection

for bridges 3 & 4(1)

MtrXSideYILimSel[1:0]=11(3)(4) 1.55

2.5

Iprot_4

High side current protection

for bridges 3 & 4(1)

MtrXSideYILimSel[1:0]=11(3)(4)

1.6

2.5

tfilter

Current limit

filter time

tdelay

Current limit

delay time

5us

toc_off

Over current off time

MtrXIlimitOffTimeY[1:0]=00

MtrXIlimitOffTimeY[1:0]=01

MtrXIlimitOffTimeY[1:0]=10

MtrXIlimitOffTimeY[1:0]=11(5)

120

240

480

tr1_2

Output rise time

bridges 1 &2

VSupply = 36V, Resistive load

between outputs:

R= 25 Ohm(6)

100

250

tr3_4

Output rise time

bridges 3 & 4

VSupply = 36V, Resistive load

between outputs:

R= 36 Ohm(6)

200

tf1_2

Output fall time

bridges 1 & 2

VSupply = 36V, Resistive load

between outputs:

R= 25 Ohm(6)

100

250

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