Gate Drive Board Interface Signal Definitions
Pin
1
2
Signal Name
Shield
PWM -
Description
Connected to circuit ground
0-15 V signal controlling the duty cycle of - IGBT
3
4
Phase Error
PWM +
1
Open collector output, external pull-up resistor required
LOW = No Error; Floating = Phase overcurrent or short circuit
0-15 V signal controlling the duty cycle of + IGBT
5
Error
1,5
Open collector output, external pull-up resistor required
LOW = No Error; Floating = heatsink overtemp, DC link overvoltage, or UVLO
6
7
8
9
24 VDC input power
24 VDC input power
15 VDC input power
15 VDC input power
2
2
2
2
20 – 30 VDC input voltage range
20 – 30 VDC input voltage range
14.4 – 18 VDC input voltage range
14.4 – 18 VDC input voltage range
10
11
12
GND
GND
Heatsink Temperature
Ground reference for 15 and 24 VDC inputs
Ground reference for 15 and 24 VDC inputs
Analog voltage representation of heatsink temperature
13
14
GND
I out
3
Ground reference for analog signals
Analog voltage representation of output current
15
4
GND
3
Ground reference for analog signals
16
4
DC Link Voltage
Analog voltage representation of DC link voltage
Notes:
1.
2.
3.
4.
5.
Open collectors can be pulled up to 30 V max and sink 50mA continuous.
Do not connect a 15 VDC and 24 VDC source to the unit at the same time, use one or the other.
GND signals to be used for analog feedback signals, i.e. twisted pair with I out
Optional outputs for DC link voltage feedback
Error signal is logic “OR” of the overvoltage, overtemperature, and power supply UVLO faults.
Gate Drive Board Interface Connector
Description
Symbol
Type
Manufacturer
With DC Link Voltage Feedback Option
Gate Drive Board Interface Header
Recommended Mating Socket
Recommended Strain Relief
J1
-
-
0.100” x 0.100” latching header, 16 pin
0.100” x 0.100” IDC socket, 16 pin
Plastic strain relief
3M# 3408-6002 or equivalent
3M# 3452-7600 or equivalent
3M# 3448-3014 or equivalent
Without DC Link Voltage Feedback Option
Gate Drive Board Interface Header
Recommended Mating Socket
Recommended Strain Relief
J1
-
-
0.100” x 0.100” latching header, 14 pin
0.100” x 0.100” IDC socket, 14 pin
Plastic strain relief
3M# 3314-6002 or equivalent
3M# 3385-7600 or equivalent
3M# 3448-3014 or equivalent
4
5/08 rev. 1
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