VNH5180A-E Electrical specifications
Doc ID 17074 Rev 6 11/31
Table 11. Protections and diagnostics
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
USD
Undervoltage shutdown 3 5 V
V
USDhyst
Undervoltage shutdown
hysteresis
0.5 V
I
LIM_H
High-side current limitation 8 12 16 A
I
SD_LS
Shutdown LS current 16 30 52 A
V
CLPH
High-side clamp voltage (V
CC
to
OUT
A
=0 or OUT
B
=0)
I
OUT
= 2.5 A 41 46 52 V
V
CLPLS
Low-side clamp voltage
(OUT
A
=V
CC
or
OUT
B
= V
CC
to GND)
I
OUT
=2.5A 41 46 52 V
T
TSD
(1)
1. T
TSD
is the minimum threshold temperature between HS and LS
Thermal shutdown temperature V
IN
= 2.1 V 150 175 200 °C
T
TR
(2)
2. Valid for both HSD and LSD.
Thermal reset temperature 135 °C
T
HYST
(2)
Thermal hysteresis (T
SD
-T
R
)7°C
T
TSD_LS
Low-side thermal shutdown
temperature
V
IN
= 2.1 V 150 175 200 °C
V
CLP
Total clamp voltage (V
CC
to GND) I
OUT
=2.5A 41 46 52 V
t
SD_LS
Time to shutdown for the low-side 10 µs
Table 12. Current sense (9 V < V
CC
<18V)
Symbol Parameter Test conditions Min. Typ. Max. Unit
K
0
I
OUT
/I
SENSE
I
OUT
=0.35A; V
SENSE
= 0.32 V;
V
CSD
=0V; T
j
= - 40 to 150 °C
645 840 1140
K
1
I
OUT
/I
SENSE
I
OUT
= 1 A; V
SENSE
= 0.98 V;
V
CSD
=0V; T
j
= - 40 to 150 °C
700 820 955
K
2
I
OUT
/I
SENSE
I
OUT
= 2.5 A; V
SENSE
= 2.4 V;
V
CSD
= 0 V; T
j
= - 40 to 150 °C
710 810 900
K
3
I
OUT
/I
SENSE
I
OUT
= 4 A; V
SENSE
= 4 V; V
CSD
= 0 V;
T
j
= - 40 to 150 °C
690 790 900
dK
0
/K
0
(1)
Analog sense
current drift
I
OUT
= 0.35A;
V
SENSE
= 0.32V;
V
CSD
= 0 V; T
j
= - 40 to 150 °C
-18 18 %
dK
1
/K
1
(1)
Analog sense
current drift
I
OUT
=1A;
V
SENSE
= 0.98 V;
V
CSD
= 0 V; T
j
= - 40 to 150 °C
-13 13 %
dK
2
/K
2
(1)
Analog sense
current drift
I
OUT
=2.5A;
V
SENSE
= 2.4V;
V
CSD
= 0 V; T
j
= - 40 to 150 °C
-13 13 %
dK
3
/K
3
(1)
Analog sense
current drift
I
OUT
=4A;
V
SENSE
= 4V; V
CSD
= 0 V;
T
j
= - 40 to 150 °C
-13 13 %
V
SENSE
Max analog sense
output voltage
I
OUT
= 2.5A; V
CSD
=0V;
R
SENSE
=2KΩ
5V
