VNH7070BAS datasheet(11/38 Pages) STMICROELECTRONICS

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VNH7070BAS

Electrical specifications

Table 9. Protections and diagnostics (VCC = 7 V up to 18 V; -40 °C < Tj < 150 °C)

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

VUSD

Undervoltage shutdown

VUSDreset

Undervoltage shutdown

reset

VUSDHyst

Undervolatge shutdown

Hysteresis

0.4

ILIM_H

High-side current

limitation

ISD_LS

Shutdown LS current

tSD_LS

Time to shutdown for the

low-side

INA = 5 V; INB = 0 V;

PWM = 5 V (see Figure 8)

μs

VCL_HSD

High-side clamp voltage

(VCC to OUTA = 0 or

OUTB = 0)

IOUT = 100 mA; tclamp = 1 ms 38

VCL_LSD

Low-side clamp voltage

(OUTA = VCC or

OUTB = VCC to GND)

IOUT = 100 mA; tclamp = 1 ms 38

TTSD_HS

High-side thermal

shutdown temperature

INx = 2.1 V

150 175

200

°C

TTR_HS

High-side thermal reset

temperature

135

°C

THYST_HS

High-side thermal

hysteresis (TSD_HS - T

R_HS)

7°C

TTSD_LS

Low-side thermal

shutdown temperature

INx = 0 V

150 175

200

°C

VCL

Total clamp voltage

(VCC to GND)

IOUT = 100 mA; tclamp = 1 ms 38

VOL

OFF-state open-load

voltage detection

threshold

INA = INB = 0 V; PWM = 0;

VSEL0 = 5 V for CHA;

VSEL0 = 0 V and within

td_stby for CHB

IL(off2)

OFF-state output sink

current

INA = INB = 0; VOUT = VOL;

PWM = 0 V;

VSEL0 = 5 V for CHA;

VSEL0 = 0 V and within

td_stby for CHB

-100

-15

μA

tDSTKON

OFF-state diagnostic

delay time from falling

edge of INPUT (see

Figure 4)

INA = 5 V to 0 V; INB = 0;

VSEL0 = 5 V; PWM = 0;

IOUT = 0 A; VOUTA = 4 V

140

350

μs

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