Power Supply Function
4.6.3.6 LV124
The built-in curves LV124 can meet general requirements, test conditions and
tests of electrical and electronic components in motor vehicles up to 3.5 t. Re-
lated parameters are as below:
LV124 LV124 waveform protocol
E-02 Transient overvoltage test waveform
E-04 Jump start test waveform
E-05 Load dump test waveform
E-07 Slow decrease and increase of the supply
voltage test waveform
Ubmax Start voltage
Ubmin Holding voltage
Ubmin
Holding
Time
Voltage holding time at
Ubmin
E-08 Slow decrease, quick increase of the sup-
ply voltage test waveform
Ubmax Start voltage
Ubmin Holding voltage
Ubmin
Holding
Time
Voltage holding time at
Ubmin
E-09 Reset behavior test waveform
Ubmin Holding voltage
E-11 Start pulses
Cold-Start Cold start
Normal Standard experi-
mental pulse
Severe Enhanced experi-
mental pulse
Warm-Start Warm start
E-12 Voltage curve with intelligent generator
control
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