STW TC1, User Manual

Page: 364 / 374

13 Qualification Tests
User Manual 364/374
Standard Test description Parameter
Short circuit test of PWM outputs and
digital outputs
to low resistance loads against GND.
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Standard Polarity protection Interchanged battery terminals
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Standard Current consumption Current consumption without D+ (9 V
UB):
1.42 mA
Current consumption without D+ (16 V
UB):
1.77 mA
Current consumption without D+ (32 V
UB):
2.56 mA
Current consumption with D+ (9 V UB):
361 mA
Current consumption with D+ (16 V UB):
209 mA
Current consumption with D+ (32 V UB):
126 mA
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Standard Data retention Non-volatile memory keep data when
supply voltage is disconnected
NOR-Flash: 20 years
NAND-Flash: 10 years
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Standard Load test Operate 48 hours at minimum
temperature with minimum voltage and
maximum current. ( -40 °C, 9V, 350 mA)
Afterwards operate 48 hours at maximum
temperature with maximum voltage and
maximum current.
(+70 °C, 32V, 350 mA)
ISO 16750-2 Direct current supply voltage Operation at minimum and maximum
supply voltage
ISO 16750-2 Overvoltage - Systems with 12V / 24V
nominal voltage 24 V system: Apply 36 V for 60 minutes
at a temperature that is 20 °C below the
maximum operating temperature
(=50 °C).
ISO 16750-2 Superimposed alternating voltage Maximum supply voltage = 16 V (12 V
system) and
Maximum supply voltage = 32 V (24 V
system)
Sweep duration: 120 seconds
Number of sweeps: 5
UN: 24 V: Severity 2: Peak to peak
voltage 4 V
UN: 12 V: Severity 4: Peak to peak
voltage 2 V