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PIC12F609/HV609, PIC12F615/HV615, PIC16F610/HV610 and PIC16F616/HV616
8-bit PIC(R) Microcontrollers with High Voltage Support and Fan Control Capabilities Summary
Designing the simplest solution to a complex problem such as fan/motor control on a system board can often be challenging. Microchip has simplified both the design and implementation of such applications by introducing the new PIC12F609/HV609, PIC12F615/HV615, PIC16F610/HV610 and PIC16F616/ HV616. The first PIC microcontrollers of their kind, the 14-pin PIC16F616 provide an increased feature set inclusive of an enhanced full bridge Enhanced Capture/Compare Pulse Width Modulation (ECCP), eight 10-bit ADC channels, 2 comparators with selectable hysteresis, 4/8 MHz internal oscillator and 2K words of Flash program memory. The 8-pin PIC12F615, provides a half bridge ECCP four 10-bit ADC channels, 1 comparator , with selectable hysteresis, 4/8 MHz internal oscillator and 1K words of Flash program memory. The simplified PIC16F610 and PIC12F609 provide similar features without the ADC and ECCP All of these PIC microcontrollers are available with . high voltage variants and provide an integrated shunt voltage regulator allowing high voltage VDD support. The PIC12HV609, PIC12HV615, PIC16HV610 and PIC16HV616 provide the ability to run as low as 2.0V, up to an unspecified user-defined maximum voltage. The shunt regulator is active when the external VDD input is greater than 5V and disabled otherwise. These high voltage variations are ideal for cost sensitive applications with high voltage power rails.
Comparator with Hysteresis
Features
* High Voltage VDD Support (available only on the HV variants) - Any application with native high voltage rails - Saves external component cost * PWM - Full ECCP with dead band control - Steerable * Comparator with hysteresis - Direct interface to Hall Effect element - Ideal for fan/motor control and monitoring - Any application requiring the ability to monitor speed and/or position * TMR1 Gate - Running directly from 4/8 MHz internal oscillator - Ideal for power supplies and battery chargers - Ideal for any application requiring conditional event or error counting - Applications needing pulse width measurements
As with most PIC microcontrollers, the PIC12F609, PIC12F615, PIC16F610, PIC16F616, and High Voltage variants PIC12HV609, PIC12HV615, PIC16HV610 and PIC16HV616, can easily be utilized in a wide array of general purpose applications. Additional unique features make them particularly well suited for focused applications such as motor or fan control. The comparator on all variants is steerable and designed with greater hysteresis to provide the ability to use a Hall Effect element for speed monitoring of a fan or motor. Due to the differential signaling of the Hall Effect element, traditional comparators do not always provide the ability to accurately translate the varying frequency of the Hall Effect element into a manageable digital signal. With the addition of hysteresis, these newly designed comparators will in effect provide a trigger window and ultimately greater ease in such translations. This, paired with the integrated PWM, makes these products a robust fan-control solution that is more cost effective and flexible than traditional dedicated fan control methods.
Microchip Technology Incorporated
Additional Information
* PIC16F616/16HV616 Data Sheet, DS41288 * PIC12F615/12HV615, PIC16F616/16HV616 Product Brief, DS41272 * AN1035 - Designing with HV Microcontrollers, DS01035 * 8-bit PIC Microcontroller Solutions Brochure, DS39630 * Low Cost Development Tools Guide, DS51560 * 2006 Product Line Card, DS00890 * Microchip Product Selector Guide, DS00148
Microchip Fan Control Solution
Component Cost Savings: * Voltage Regulator * Input Signal Conditioning * Hall Effect Sensor Improvements: * Hardware PWM * Greater control and response * Meets latest industry fan control specifications
VDD Internal shunt regulator allows 12, 24, 48V operation
Links/Sample/Purchasing Information
* * * * * Web Link: www.microchip.com/fancontrol Web Link: www.microchip.com/motorcontrol Web Link: www.microchip.com/startnow Online Sampling: www.sample.microchip.com Online Purchasing: www.microchipdirect.com
Timer1 gate feature enables all-digital period and duty cycle sensing Internal pull-up resistors reduce component count
PWM Control
PIC12HV615 PIC16HV616
Hardware PWM output for half- and full-bridge drive Motor Drive Hall
Direct Hall Element Sensor interface with built-in comparator hysteresis reduces component cost
Programmable control for customizeable features such as: * PID control * Alert output * Tachometer output * Temperature-based control * Failure detect and retry
High Voltage and Fan Control 8-bit PIC(R) Microcontrollers
Flash Program Memory Words 1K 1K 1K 1K 1K 1K 2K 2K Analog RAM Bytes 64 64 64 64 72 72 128 128 I/O Pins 6 6 6 6 12 12 12 12 ECCP* --Half Bridge Half Bridge --Full Bridge Full Bridge ADC --4 x 10-bit 4 x 10-bit --8 x 10-bit 8 x 10-bit Comp. 1 1 1 1 2 2 2 2 Internal Oscillator 4/8 MHz 4/8 MHz 4/8 MHz 4/8 MHz 4/8 MHz 4/8 MHz 4/8 MHz 4/8 MHz Digital Timers/WDT 1 16-bit, 2 8-bit, 1 EWDT 1 16-bit, 2 8-bit, 1 EWDT 1 16-bit, 2 8-bit, 1 EWDT 1 16-bit, 2 8-bit, 1 EWDT 1 16-bit, 2 8-bit, 1 EWDT 1 16-bit, 2 8-bit, 1 EWDT 1 16-bit, 2 8-bit, 1 EWDT 1 16-bit, 2 8-bit, 1 EWDT High Voltage Support No Yes No Yes No Yes No Yes Packages 8MD, 8P 8SN , 8MD, 8P 8SN , 8MD, 8P 8SN , 8MD, 8P 8SN , 14P 14SL, 14ST, 16ML , 14P 14SL, 14ST, 16ML , 14P 14SL, 14ST, 16ML , 14P 14SL, 14ST, 16ML ,
Product PIC12F609 PIC12HV609 PIC12F615 PIC12HV615 PIC16F610 PIC16HV610 PIC16F616 PIC16HV616
Package Key: MD = DFN, ML = QFN, P = PDIP SL = SOIC (14-lead .150), SN = (8-lead .150), ST = TSSOP , Tape & reel as well as extended temperature options are available. *Enhanced Capture/Compare Pulse Width Modulation Comparator hysteresis can be disabled and used like a typical comparator.
www.microchip.com/startnow
Visit our web site for additional product information. Microchip Technology Inc. * 2355 W. Chandler Blvd. * Chandler, AZ 85224-6199
Information subject to change. The Microchip name and logo, the Microchip logo, PIC and PICmicro are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. All other trademarks mentioned herein are property of their respective companies. (c) 2006, Microchip Technology Incorporated. All Rights Reserved. Printed in the U.S.A. 7/06 DS41294A
*DS41294A*

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