BTM7752G Datasheet, PDF (20/25 Pages) Infineon Technologies AG – High Current H-Bridge Trilith IC 3G

High Current H-Bridge
BTM7752G
Block Description and Characteristics
6.4.5 Electrical Characteristics - Control and Diagnostics
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)
Pos. Parameter
Symbol
Limit Values
Unit Test Conditions
Min. Typ. Max.
Control Inputs (IN and INH)
6.4.1
High level threshold voltage V_INH(H),
–
INH, IN1, IN2
V_IN1(H), V_IN2(H)
1.6
2
V
–
6.4.2 Low level threshold voltage V_INH(L),
1.1
1.4
–
INH, IN1, IN2
V_IN1(L), V_IN2(L)
6.4.3 Input voltage hysteresis
V_INHHY,V_INHY –
200
–
V
–
mV ¹⁾
6.4.4 Input current
I_INH(H),
–
I_IN1(H), I_IN2(H)
30
200
µA
V_IN1,V_IN2,V_INH = 5.5 V
6.4.5 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
6.4.6
Current sense ratio in static k_ILIS
on-condition
k_ILIS = I_L / I_IS
6.4.7
Differential Current sense
ratio in static on-condition
dk_ILIS = dI_L /dI_IS
dk_ILIS
10³ R_IS = 1 kΩ
2
3.1
4.2
I_L = 6 A
1.7
3.1
4.6
I_L = 2 A
1.5
3.1
5
I_L = 1 A
10³ R_IS = 1 kΩ
2
3.1
4.2
I_L > 0.5 A
1)
6.4.8
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
6.4.9 Isense leakage current
I_ISL
–
–
1
µA
V_IN1 = V_IN2 = 0 V,
no error detected
6.4.10 Isense leakage current,
I_ISH
active high side switch
–
1
100
µA
V_IN1 or V_IN2 = 5 V
I_L = 0 A
1) Not subject to production test, specified by design.
Data Sheet
20
Rev. 2.0, 2010-05-28