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BD30A Series
B-19
PIN FUNCTIONS:
CONNECTOR
PIN
NAME
DESCRIPTION / NOTES
I/O
1
PWM+
Same as pin 9
I
2
PWM-
Pulse width modulated digital input
I
3
DIR+
Same as pin 9
I
4
DIR-
Direction input
I
5
INH+
Same as pin 9
I
6
INH-
Pull low to enable
I
7
+FAULT
8
-FAULT
Output transistor turns on and becomes high during
output short circuit, over-voltage, over temperature,
inhibit, and during power-up reset. Fault condition
indicated by red LED.
O
9
+5 IN
+5 V @ 150 mA in to drive opto coupler inputs.
I
10
+V HALL OUT
O
11
GND
Power for HALL sensors, Short circuit protected,
+ 6 V @ 30 mA. See optical signal isolation option
below.
GND
12
HALL 1
13
HALL 2
14
HALL 3
HALL sensor inputs, logic levels, internal 5 K
Ω pull-
up. Maximum low level input is 1.5 V, Minimum high
level input is 3.5 V. See optical signal isolation option
below.
I
15
CURRENT MONITOR
OUT
Current monitor. This signal is proportional to the
actual current in the motor leads. See current limit
adjustments section below for scaling.
O
P1
16
Reserved
1
MOTOR A
Motor phase A connection
O
2
MOTOR B
Motor phase B connection
O
3
MOTOR C
Motor phase C connection
O
4
POWER GND
Power ground
GND
P2
5
HIGH VOLTAGE
DC power input
I
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