and start-up
5 Use and limits of the product
5.1 Proper use
Taking into consideration the limits indicated in chapter 5.2 Improper use / Limits of the product, the product
BDC546 has been designed for the following applications:
Installation in a drive train for hybrid vehicles (cars, utility vehicles, buses)
Installation in a drive train for electric vehicles (cars, utility vehicles, buses)
Installation in a drive train for fuel cell vehicles (cars, utility vehicles, buses)
On-board charger for DC quick charging (in combination with a stationary transformer)
Installation in a drive train for electric boats
Test bench applications
If the device is to be used for applications in areas other than those previously defined, the buyer is obliged to
coordinate these applications with the manufacturer and to obtain a written approval for these uses.
5.2 Improper use / Limits of the product
Applications that do not conform to the conditions and requirements stated in the technical documents and data
sheets of the manufacturer are regarded as improper use. Taking into consideration the proper use indicated in
chapter 5.1 , the following limit values have been stipulated for the operation of the product BDC546. The product
may not be used outside these limit values. Operation outside these limit values can lead to life-threatening
situations.
Highside overvoltage, the switch-off threshold of the power stage can be set up to 800 V
DC
Lowside overvoltage, the switch-off threshold of the power stage can be set up to 650 V
DC
Max. voltage on highside, no operation, max. 1 min 900 V
DC
Max. voltage on highside, no operation, max. 1 min 900 V
DC
Max. voltage for signals at the control connector (AUX) 16 V
DC
Max. pre charging current on lowside / highside 50 A
Min. coolant temperature at the input -40 °C
Max. coolant temperature at the input 65 °C
Cooling water flow rate max. 17 l/min
Cooling water flow rate min. 15 l/min
Ambient temperature range for storage -40 to +105 °C
Ambient temperature range in operation -40 to +85 °C
Max. cooling system pressure 2.0 bar
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