BTS54040-LBF_15 Datasheet, PDF (47/67 Pages) Infineon Technologies AG – SPI Power Controller

BTS54040-LBF
Diagnosis
Table 11 Electrical Characteristics Diagnosis (cont’d)
Parameter
Symbol
Min.
Values
Typ.
Max.
Unit Note /
Number
Test Condition
Current Sense Drift of Unaffected Channel during Inverse Current of other Channels
One channel with I_L(IC) = - I_Ln, all other channels with I_Ln
DCR.MUX ≠ <111, 110> and set to sense any of the channels not in Inverse current condition
Current sense drift of
Δk_ILIS(IC) -20
–
unaffected channels during
inverse current of one
channel
20
%
1)
I_L1 = 2.6 A
I_L2 = 2.6 A
I_L3 = 2.6 A
I_L4 = 2.6 A
Sense Pin - Currents
P_8.5.84
Maximum steady state
I_IS(MAX)
3.8
–
current sense output
current
39 mΩ ch.
Current sense leakage / I_IS(en)
–
–
offset current
Current sense leakage / I_IS(en)
–
–
offset current
Open load detection
I_L(OL)
–
–
threshold in ON state
39 mΩ ch.
15
mA V_IS = 0 V
V_S ≥ 8 V
P_8.5.88
1
3.2
21.5
μA
1)
P_8.5.118
T_j ≤ 85 °C
I_L = 0 mA
DCR.MUX ≠
<111,110>_B
μA T_j = 150 °C
I_L = 0 mA
DCR.MUX ≠
P_8.5.90
<111,110>_B
mA I_IS(OL) = 4 μA
P_8.5.95
LGCR.LEDn = 0
Open load detection
I_L(OL)
–
–
7.5
mA I_IS(OL) = 4 μA
P_8.5.96
threshold in ON state
LGCR.LEDn = 1
39 mΩ ch. in LED mode
Current sense leakage, I_IS(dis)
–
while diagnosis disabled
Sense Pin - Timings
0.01
1
μA I_L2 = 2.6 A
P_8.5.98
DCR.MUX = 110_B
Current sense settling time t_sIS(ON) –
–
250
μs
V_S = 13.5 V
P_8.5.103
after channel activation
R_IS = 2.7 kΩ
39 mΩ ch.
LGCR.LEDn = 0
Current sense settling time t_sIS(ON) –
–
100
μs
V_S = 13.5 V
P_8.5.104
after channel activation
R_IS = 2.7 kΩ
39 mΩ ch. in LED mode
LGCR.LEDn = 1
Current sense desettling t_dIS(OFF) –
–
25
μs
P_8.5.106
time after channel
V_S = 13.5 V
deactivation
R_IS = 2.7 kΩ
Data Sheet
47
Rev. 2.1, 2014-12-05