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VN5050AJTR-E

Single channel high side driver with analog current sense for automotive applications

STMicroelectronics 

Electrical specifications

VN5050AJ-E

Table 10. Current sense (8V<VCC<16V) (continued)

Symbol

Parameter

Test conditions

Delay response

VSENSE<4V, 0.5A<Iout<4A

tDSENSE1H time from falling

ISENSE=90% of ISENSEmax

edge of CS_DIS pin (see Figure 4.)

Delay response

VSENSE<4V, 0.5A<Iout<4A

tDSENSE1L time from rising

ISENSE=10% of ISENSEmax

edge of CS_DIS pin (see Figure 4.)

Delay response

tDSENSE2H time from rising

edge of INPUT pin

VSENSE<4V, 0.5A<Iout<4A

ISENSE=90% of ISENSE max

(see Figure 4.)

Delay response

time between rising

∆tDSENSE2H

edge of output

current and rising

edge of current

sense

VSENSE < 4V,

ISENSE = 90% of ISENSEMAX,

IOUT = 90% of IOUTMAX

IOUTMAX=2A (see Figure 6)

Delay response

tDSENSE2L time from falling

edge of INPUT pin

VSENSE<4V, 0.5A<Iout<4A

ISENSE=10% of ISENSE max

(see Figure 4.)

1. Parameter guaranteed by design; it is not tested.

Min. Typ. Max. Unit

50 100 µs

5 20 µs

80 250 µs

65 µs

100 250 µs

Figure 4. Current sense delay characteristics

INPUT

CS_DIS

LOAD CURRENT

SENSE CURRENT

tDSENSE2H tDSENSE1L

tDSENSE1H tDSENSE2L

Figure 5. Output voltage drop limitation

Vcc-Vout

Tj=150oC

Tj=25oC

Tj=-40oC

12/31

Von

Iout

Von/Ron(T)

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