SA60 Datasheet, PDF (4/6 Pages) Cirrus Logic – H-BRIDGE MOTOR DRIVER/AMPLIFIERS



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12-pin Power SIP
PACKAGE
STYLE DP
Formed Leads Available
See package style EE
TYPICAL APPLICATION
A wide variety of loads can be driven in either the voltage
mode or the current mode. The most common applica-
tions use three external blocks: a low pass filter convert-
ing pulse width data to an analog output, a difference am-
plifier to monitor voltage or current and an error amplifier.
Filter inductors must be suitable for square waves at the


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switching frequency (laminated steel is generally not ac-
ceptable). Filter capacitors must be low ESR and rated
for the expected ripple current. A difference amplifier with
gain of less than one translates the differential output voltage to a single feedback voltage. Dashed line connections
and a higher gain difference amplifier would be used for current control. The error amplifier integrates the difference
between the input and feedback voltages to close the loop.

SA60U