Техническая Спецификация для Infineon Technologies Door Module Power IC TLE 8201R DEMOBOARD TLE8201R DEMOBOARD TLE8201R
Модели
DEMOBOARD TLE8201R
TLE 8201R
Data Sheet Rev. 2.0
35
2006-06-07
4.6
Power-Outputs 8 - 11 (Lamp drivers)
Outputs 8 - 11 are a high-side switches intended to drive ohmic loads 5W or 10W lamp
(bulb) loads.
(bulb) loads.
4.6.1
Protection and Diagnosis
4.6.1.1
Short Circuit of Output to Ground
The high-side switches are protected against short to GND.
The high-side switches Out 8 - 11 are protected against short to GND.
Short Circuit during switch-on
During switch-on of an output a current an voltage level is used to check for a short
circuit. If a switch is turned on and the short circuit condition is valid after
circuit. If a switch is turned on and the short circuit condition is valid after
t
dSDon8
the
output transistor is turned off and the corresponding diagnosis bit is set. A short circuit
condition is valid if the current rises above the shutdown threshold
condition is valid if the current rises above the shutdown threshold
I
SD8
and the voltage
at the output stays below V
SD8
. During the delay time, the current is limited to
I
SC8
as
shown in
Figure 16
Short circuit protection during switch-on
t
dSDon8
I
SC8
I
SD8
I
OUT
OUT 8...11
short to GND
t
V
OUT
V
SD8
V
OUT
I
OUT