User Guide
7 of 46
Rev. 1.0
2022-03-09
48V Battery Switch Reference Design
R 48V BATT Switch10
The kit at a glance
1.4
Technical data
Table 2
System parameters
Parameter
Symbol
Comment
Value Unit
Board size power board
L x W x H
Including heat sink
75 x 100 x 31 mm
Board size adaptor board
L x W x H
53 x 64 x 19 mm
Operating voltage
V
BAT
24 … 54 V
Maximum supply voltage
V
max
70 V
Digital supply voltage
V
DD
Provided by microcontroller kit
3.3 V
Continuous Current Capability
I
max
Forced air cooling
300 A
Combined MOSFET on state resistance
R
DSON
typ. @ 25°C
400
µW
Precharge resistor
R
precharge
10
W
Shunt resistance
R
Shunt
50
µW
