TLE8242-2 Datasheet, PDF (27/78 Pages) Infineon Technologies AG – 8 Channel Fixed Frequency Constant Current Control With Current Profile Detection

TLE8242-2
Functional Description and Electrical Characteristics
V5D = 4.75V to 5.25V, Vbat = 5.5V to 42V, T_j = -40 °C to +150 °C, all voltages with respect to ground, positive
current flowing into pin (unless otherwise specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min. Typ. Max.
5.3.8 POS Fault Threshold Voltage
V_FLT
0.6
0.7
0.8
V
POS voltage
required to trigger a
short to battery
fault: config bits =
00
5.3.9 POS Fault Threshold Voltage
V_FLT
0.8
0.9
1.0
V
POS voltage
required to trigger a
short to battery
fault: config bits =
01
5.3.10 POS Fault Threshold Voltage
V_FLT
1.0
1.1
1.2
V
POS voltage
required to trigger a
short to battery
fault: config bits =
10
5.3.11 POS Fault Threshold Voltage
V_FLT
1.2
1.3
1.4
V
POS voltage
required to trigger a
short to battery
fault: config bits =
11
5.3.12 Fault Filter Timer
n_fault
10
11
clock DIAG_TMR = 00,
cycles 01 and 11
5.3.13 Fault Filter Timer
n_fault
2
3
clock DIAG_TMR = 10
cycles
5.3.14 Fault Filter Time
T_ff
Clock Divider (SPI
n_fault ⋅ predivider
Message 7)
00, 10- Predivider
f _CLK
128
01 - Predivider 192
11 - Predivider 256
5.3.15 Tested Timer Time
T_tt
n_fault ⋅ predivider
f _CLK
Clock Divider (SPI
Message 7)
00, 10 - Predivider
128
01 - Predivider 192
11 - Predivider 256
Data Sheet
27
Rev. 1.0, 2010-02-09