Datasheet

Electrical specifications VN920SP-E
10/27 Doc ID 10896 Rev 4
Table 10. Current sense
(1)
1. 9 V ≤ V
CC
≤ 16 V.
Symbol Parameter Test conditions Min. Typ. Max. Unit
K
1
I
OUT
/I
SENSE
I
OUT
= 1 A; V
SENSE
= 0.5 V;
T
j
= -40°C...150°C
3300 4400 6000
dK
1
/K
1
Current sense ratio drift
I
OUT
= 1 A; V
SENSE
= 0.5 V;
T
j
= - 40 °C...150 °C
-10 +10 %
K
2
I
OUT
/I
SENSE
I
OUT
= 10 A; V
SENSE
= 4 V;
T
j
= - 40 °C
T
j
= 25 °C...150 °C
4200
4400
4900
4900
6000
5750
dK
2
/K
2
Current sense ratio drift
I
OUT
= 10 A; V
SENSE
= 4 V;
T
j
= -40°C...150°C
-8 +8 %
K
3
I
OUT
/I
SENSE
I
OUT
= 30 A; V
SENSE
= 4 V;
T
j
= -40 °C
T
j
= 25 °C...150 °C
4200
4400
4900
4900
5500
5250
dK
3
/K
3
Current sense ratio drift
I
OUT
= 30 A; V
SENSE
= 4 V;
T
j
= -40°C...150°C
-6 +6 %
I
SENSE0
Analog sense leakage
current
V
CC
= 6...16 V; I
OUT
= 0 A;
V
SENSE
= 0 V;
T
j
= -40°C...150°C 0 10 µA
V
SENSE
Max analog sense
output voltage
V
CC
= 5.5 V; I
OUT
= 5 A;
R
SENSE
= 10 kΩ
V
CC
> 8 V, I
OUT
= 10 A;
R
SENSE
= 10 kΩ
2
4
V
V
V
SENSEH
Sense voltage in
overtemperature
condition
V
CC
= 13 V; R
SENSE
= 3.9 kΩ 5.5 V
R
VSENSEH
Analog sense output
impedance in
overtemperature
condition
V
CC
= 13 V; T
j
> T
TSD
;
output open
400 Ω
t
DSENSE
Current sense delay
response
To 90 % I
SENSE
(2)
2. Current sense signal delay after positive input slope.
500 µs