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Digital Control

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DC Input<br />

Voltage<br />

Ramp<br />

Network<br />

R<br />

C<br />

Power<br />

Switch<br />

PWM<br />

Generator<br />

CLK<br />

C<br />

Shut<br />

Down<br />

Serial Interface<br />

Current<br />

Analog<br />

Compensator<br />

Network<br />

LC<br />

Filter<br />

GPIO<br />

Voltage<br />

Analog vs. <strong>Digital</strong> Power <strong>Control</strong> System<br />

DC Output<br />

REF<br />

Analog<br />

Compensator<br />

Network<br />

SCALE<br />

Voltage<br />

Fan<br />

Current<br />

Temperature<br />

Analog <strong>Control</strong> System With <strong>Digital</strong> Management<br />

DC Input<br />

Temperature<br />

Fan<br />

Power<br />

Switch<br />

<strong>Digital</strong><br />

PWM<br />

Generator<br />

Freescale, the Freescale logo, AltiVec, C-5, CodeTEST, CodeWarrior, ColdFire, C-Ware, mobileGT, PowerQUICC, StarCore, and Symphony are trademarks of Freescale Semiconductor, Inc.,<br />

Reg. U.S. Pat. & Tm. Off. BeeKit, BeeStack, CoreNet, the Energy Efficient Solutions logo, Flexis, MXC, Platform in a Package, Processor Expert, QorIQ, QUICC Engine, SMARTMOS, TurboLink<br />

and VortiQa are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © 2010 Freescale Semiconductor, Inc. 16<br />

GPIO<br />

LC<br />

Filter<br />

SCALE<br />

DC Output<br />

SCALE<br />

Current<br />

A to D Converter<br />

DSC <strong>Control</strong>ler<br />

Serial Interface<br />

MCU Both MCU and Analog PWM controller<br />

A to D Converter<br />

are replaced by one DSC<br />

Full <strong>Digital</strong> <strong>Control</strong> System<br />

Voltage<br />

TM

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