VNQ5E050AK-E datasheet(10/37 Pages) STMICROELECTRONICS

Part #	VNQ5E050AK-E

Description	Quad channel high-side driver with analog current sense for automotive applications

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Electrical specifications

VNQ5E050AK-E

10/37

Doc ID 13519 Rev 6

ICSDH

High level CS_DIS current

VCSD =2.1 V

10

µA

VCSD(hyst) CS_DIS hysteresis voltage

0.25

V

VCSCL

CS_DIS clamp voltage

ICSD =1mA

5.5

7

V

ICSD =-1mA

-0.7

Table 8.

Protections and diagnostics (1)

1.

To ensure long term reliability under heavy overload or short circuit conditions, protection and related

diagnostic signals must be used together with a proper software strategy. If the device is subjected to

abnormal conditions, this software must limit the duration and number of activation cycles.

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

IlimH

DC short circuit

current

VCC = 13 V

19

27

38

A

5V<VCC <28V

38

A

IlimL

Short circuit current

during thermal cycling

VCC =13V; TR <Tj <TTSD

7A

TTSD

Shutdown

temperature

150

175

200

°C

TR

Reset temperature

TRS + 1 TRS + 5

°C

TRS

Thermal reset of

STATUS

135

°C

THYST

Thermal hysteresis

(TTSD-TR)

7°C

VDEMAG

Turn-off output voltage

clamp

IOUT =2A; VIN =0;

L=6mH

VCC-41

VCC-46 VCC-52

V

VON

Output voltage drop

limitation

IOUT =0.1 A;

Tj = -40 °C...150 °C

(see Figure 8)

25

mV

Table 9.

Current sense (8 V < VCC <18V)

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

K0

IOUT/ISENSE

IOUT =0.05A;

VSENSE = 0.5 V; VCSD =0 V;

Tj = -40 °C...150 °C

1050 2110 3170

K1

IOUT/ISENSE

IOUT =1A;

VSENSE =4V; VCSD =0V;

Tj = -40 °C...150 °C

Tj = 25 °C...150 °C

1510

1890

2650

2270

dK1/K1

(1)

Current sense ratio

drift

IOUT =1A; VSENSE =4V;

VCSD =0V;

Tj = -40 °C to 150 °C

-13

13

%

Table 7.

Logic inputs (continued)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

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