TLE7242-2G Datasheet, PDF (23/50 Pages) Infineon Technologies AG – 4 Channel Fixed Frequency Constant Current Control IC

TLE7242-2G
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
5.3.13 Fault Filter Time
n_fault
9
T_ff
10
clocks
n _fault ⋅ predivider
f _CLK
Clock Divider (SPI
Message 7)
00 - Predivider 128
01, 10 - Predivider
192
11 - Predivider 256
5.3.14 Tested Timer Time
T_tt
n _fault ⋅ predivider
f _CLK
Clock Divider (SPI
Message 7)
00 - Predivider 128
01, 10 - Predivider
192
11 - Predivider 25
6
Data Sheet
23
Rev. 1.0, 2008-07-09