SA303 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'SA303' PDF : 14 Pages View PDF
SA303
Product Innova tionFrom
Figure 4. System Diagram
VDD
SC
TEMP
ILIM/D IS 1
Current Ia
monitor Ib
Signals Ic
Fault
Logic
Vs (phase A)
Vs +
Vs (phase B&C)
GND
D IS 2
At
Ab
PWM B t
Signals B b
Ct
Cb
SGND
M icrocontroller
or DSC
BRUSHLESS
MOTOR
Control
Gate
A
Logic
Control
B
OUT A
OUT B
C
OUT C
SA303 Switching Amplifier
PGND (A&B)
SGND
Sensing
circuits
PGND (C)
GND
Sensor – Hall Sensors
or
Sensorless – Input from Stator leads
SA303U
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