Datasheet

Data Sheet 20 Rev. 2.0, 2010-05-28
High Current H-Bridge
BTM7752G
Block Description and Characteristics
6.4.5 Electrical Characteristics - Control and Diagnostics
Pos. Parameter Symbol Limit Values Unit Test Conditions
Min. Typ. Max.
Control Inputs (IN and INH)
High level threshold voltage
INH, IN1, IN2
V
INH(H)
,
V
IN1(H)
, V
IN2(H)
– 1.6 2 V –
Low level threshold voltage
INH, IN1, IN2
V
INH(L)
,
V
IN1(L)
, V
IN2(L)
1.1 1.4 – V –
Input voltage hysteresis V
INHHY
,V
INHY
– 200 – mV
1) Not subject to production test, specified by design.
Input current I
INH(H)
,
I
IN1(H)
, I
IN2(H)
– 30 200 µA V
IN1
,V
IN2
,V
INH
= 5.5 V
Input current I
INH(L)
,
I
IN1(L)
, I
IN2(L)
– 25 125 µA V
IN1
, V
IN2
, V
INH
= 0.4 V
Current Sense
Current sense ratio in static
on-condition
k
ILIS
= I
L
/ I
IS
k
ILIS
2
1.7
1.5
3.1
3.1
3.1
4.2
4.6
5
10
3
R
IS
= 1 kΩ
I
L
= 6 A
I
L
= 2 A
I
L
= 1 A
Differential Current sense
ratio in static on-condition
dk
ILIS
= dI
L
/dI
IS
dk
ILIS
2 3.1 4.2
10
3
R
IS
= 1 kΩ
I
L
> 0.5 A
1)
Maximum analog sense
current - Sense current in
fault condition
I
IS(lim)
4.25 5 7 mA V
S
= 13.5 V
R
IS
= 1 kΩ
Isense leakage current I
ISL
– – 1 µA V
IN1
= V
IN2
= 0 V,
no error detected
Isense leakage current,
active high side switch
I
ISH
– 1 100 µA V
IN1
or V
IN2
= 5 V
I
L
= 0 A
1)
V
S
= 8 V to 18 V, T
j
= -40 °C to +150 °C, VS pins shorted, all voltages with respect to ground, positive current
flowing into pin (unless otherwise specified)
6.4.1
6.4.2
6.4.3
6.4.4
6.4.5
6.4.6
6.4.7
6.4.8
6.4.9
6.4.10