MC73110 Datasheet, PDF (38/40 Pages) List of Unclassifed Manufacturers – Advanced 3-Phase Motor Control IC

5
73110 Electrical Reference
5.2.5 Remote Switcher Connector (J5)
The remote switcher connector inputs and outputs various signals that make it possible for the user to develop a
separate switching block, while still using the digital logic of the DK card to power the motor control IC.
Signal
Pin # Description
AmpliferEnable
1
This signal is connected to the AmplifierDisable signal from MC73110. It can be
programmed to go inactive under certain erroneous MCP conditions
PWMOutputDisable 2
This signal provides a digital input connected to the MC73110 pin of the same name.
A high level on this signal indicates that PWMOutputDisable is not active, a low
indicates it is active.
I₂CClk
3
This signal connects
connection.
to
the
remote
switcher’s
temperature
sensor
I₂C
clock
I₂Cdata
4
This signal connects
connection.
to
the
remote
switcher’s
temperature
sensor
I₂C
data
PWMCHigh/PWMC 5
PWMLow
6
PWMBHigh/PWMB 7
PWMBLow
8
PWMAHigh/PWMA 9
PWMALow
10
These signals connect to the PWM drive signals of the same name at the MC73110.
+3.3V
11
+3.3V power for digital logic
AGND
12
13
14
These signals are analog returns.
CurrentA
CurrentB
15
These analog input signals hold the instantaneous current through phase A and phase
16
B of the motor coils. The input voltage range is 0 to 3.3V, referenced at to 1.65V.
38
MC73110 Developer’s Kit Manual