TDA7572 Datasheet, PDF (23/64 Pages) STMicroelectronics – 200W mono bridge PWM amplifier with built-in step-up converter

TDA7572
Electrical specifications
Table 11. Gate drive and output stage control (continued)
Symbol
Parameters
Test conditions
NV_{GS_ON}
NFET gate voltage that will
block PFET enhancement
NV_{GS_OFF}
NFET gate voltage that will
allow PFET enhancement
4.3.7 Diagnostics
Table 12. Diagnostics
Symbol
Parameters
Test conditions
Turn-on diagnostics/ Power up diagnostics
I_TEST Test current for short/open _{Ri set = 56ohm}
Min.
2.5
Typ. Max. Units
V
3.5
V
Min.
Typ. Max. Units
-15%
2.45/(3*
Riset)
+15%
mA
-15%
15
+15%
V_LSSHRT
R_ISET allowed range
Short threshold to lower
supply rail
V_NOP
Normal operation
thresholds
Short to supply
Shorted load
Normal load
Open load
Test charge current
t_TEST Test time
Permanent Diagnostics
V_offACT
V_offACT
DC offset detected
DC offset not detected,
normal operation allowed
Temperature
T_WARN
T
Chip thermal warning
Chip thermal warning
hysteresis
Chip thermal shutdown
Shutdown hysteresis
External thermal warning
External thermal warning
hysteresis
5.6
ohm
-Vs +1 V
-Vs+2
-Vs+8
.025
2
-30%
60
-Vs+5.5 V
6
mV
1
V
V
10µA +30% µA
80
100
ms
+-3
Volts
+-1.2 Volts
135
150
165
°C
3
5
7
155
160
175
°C
3
5
7
°C
-10% V_DIG *.4 +10%
V
Vdig*0.0
30
Vdig*0.
044
V
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