Broadcom ACPL-32JT User Manual - Page 4

Browse online or download pdf User Manual for Motherboard Broadcom ACPL-32JT. Broadcom ACPL-32JT 16 pages. Evaluation driver board for fuji m652 6-in-1 igbt

Broadcom ACPL-32JT User Manual
ACPL-32JT, ACPL-C87AT
Bus Voltage Sensing
Bus voltage is sensed through a precision resistor chain. ACPL-C87AT optically isolates the signal for transmission to a
microcontroller (output Voltage Sense Output (VSO) on P1 header).
The Bus Voltage Sense Ratio may be calculated as follows:
=
Bus Voltage Sense Ratio
=
=
Connection Interface (Connector Header P1)
Pin
Name
1
FLU
3
ULU
5
FLV
7
ULV
9
FLW
11
ULW
13
UHU
15
FHU
17
UHV
19
FHV
21
UHW
23
FHW
2
PWMLW
4
PWMHW
6
PWMLV
8
PWMHV
10
PWMLU
12
PWMHU
14
DC12
16
GND1
18
GND1
20
VSO
22
OT1
24
OT2
+
R146
R147
----------------------------------------------------------------------------------------------------------
+
+
+
R142
R143
R144
R145
+
2k
2k
-------------------------------------------------------------------------------------------
+
+
+
+
200k
200k
200k
200k
4.975 mV/V
Type
LEVEL
OUT
TTL
Fault Feedback for U-bottom
OUT
TTL
Under-Voltage Lock Out Feedback for
U-bottom
OUT
TTL
Fault Feedback for V-bottom
OUT
TTL
Under-Voltage Lock Out Feedback for
V-bottom
OUT
TTL
Fault Feedback for W-bottom
OUT
TTL
Under-Voltage Lock Out Feedback for
W-bottom
OUT
TTL
Under-Voltage Lock Out Feedback for U-top L: Under-Voltage Lock Out
OUT
TTL
Fault Feedback for U-top
OUT
TTL
Under-Voltage Lock Out Feedback for V-top L: Under-Voltage Lock Out
OUT
TTL
Fault Feedback for V-top
OUT
TTL
Under-Voltage Lock Out Feedback for W-top L: Under-Voltage Lock Out
OUT
TTL
Fault Feedback for W-top
IN
TTL
PWM input for W-bottom
IN
TTL
PWM input for W-top
IN
TTL
PWM input for V-bottom
IN
TTL
PWM input for V-top
IN
TTL
PWM input for U-bottom
IN
TTL
PWM input for U-top
Power
8V to 18V DC power supply
Ground
Ground
Low Voltage Side Ground
Ground
Ground
Low Voltage Side Ground
OUT
Analog
Bus Voltage Sensor Output
(0 to 2V)
OUT
Connection to IGBT NTC Thermistor Pin T1
OUT
Connection to IGBT NTC Thermistor Pin T2
+
+
R146
R147
+
2k
2k
Item
Broadcom
- 4 -
Logic
L: Fault
L: Under-Voltage Lock Out
L: Fault
L: Under-Voltage Lock Out
L: Fault
L: Under-Voltage Lock Out
L: Fault
L: Fault
L: Fault
H: Led on, L: Led off
H: Led on, L: Led off
H: Led on, L: Led off
H: Led on, L: Led off
H: Led on, L: Led off
H: Led on, L: Led off
Analog (0 to 2V)
User Guide