TC652DEMO Microchip Technology, TC652DEMO Datasheet

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... TC652 Fan Control Demo Board 2002 Microchip Technology Inc. User’s Guide DS21506B ...

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... Serialized Quick Turn Programming (SQTP service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. © 2002, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received QS-9000 quality system ...

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... TC652 Functional Description ........................................................ 5 2.2 Typical Module Configurations ....................................................... 6 Appendix A. Board Layout A.1 Introduction ..................................................................................... 9 A.2 Board Layout and Schematics ........................................................ 9 A.3 Demo Board Components ............................................................ 10 Worldwide Sales and Service 2002 Microchip Technology Inc. TC652 Fan Control Demo Board Table of Contents ............................................................................. 12 User’s Guide DS21506B-page iii ...

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... NOTES: DS21506B-page iv 2002 Microchip Technology Inc. ...

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... Complete implementation of TC652 or TC653 fan control circuitry on a 1.0" x 1.2" board. 2. Temperature proportional fan speed control. 3. Over temperature alert. 4. Installs directly into user's end equipment. 5. Speeds up prototyping, system development and system thermal characterization. 2002 Microchip Technology Inc. TC652 Fan Control Demo Board User’s Guide DS21506B-page 1 ...

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... Chip Capacitor (C 9. TC652AEVUA Fan Control IC. If any component is damaged or missing, please contact your nearest Microchip sales office listed on the back of this publication. FIGURE 1-1: DS21506B-page SENSE ). SENSE The TC652 Fan Control Demo Board 2002 Microchip Technology Inc. ...

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... Speed Error in Pulse Width Modulation (PWM) Fan Control Systems Application Note, (AN772) • TC65X Fan Speed Controller Family Sell Sheet, (DS21625) • TC650DEMO and TC652DEMO, Fan Controller Boards for the TC65X PWM Fan Control ICs Sell Sheet, (DS51254) 2002 Microchip Technology Inc. ...

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... NOTES: DS21506B-page 4 2002 Microchip Technology Inc. ...

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... This resistor is socketed on the demo board to allow for easy value changes (see Table 2-1 for resistor value selections). 2002 Microchip Technology Inc. TC652 Fan Control Demo Board ) of 25°C (40% duty cycle) and a maximum temperature limit L , and then grounding pin 3 ...

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... Standard) 1 — vs. Fan Current. SENSE R SENSE ( ) 9.1 4.7 3.0 2.4 2.0 1.8 1.5 1.3 1.2 1.0 ) OVER by 10ºC (typical). When the H +10°C = 45°C + 10°C), the H Bipolar Transistor (Optional — — — — — — — 2002 Microchip Technology Inc. ...

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... PWM output current of the TC652/TC653 device is enough to satu- rate the transistor for the given fan current range. A 2N2222A is a good choice. A base current limiting resistor is required with bipolar transistors. The correct value for this resistor can be determined as follows: EQUATION: 2002 Microchip Technology Inc Fan R ...

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... Typical Wiring Connections to Fan Module for 12V Fan and 5V Demo Board Supply (V = 5.0V mA BASE BASE (mA 150 800 150 800 100 820 100 820 250 780 250 780 = TC652DEMO V DD Fan GND TC652 Connector GND FAN V FAN Fan supply should be tied DD 2002 Microchip Technology Inc. ...

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... Figure A-1 depicts the top and bottom layers of the TC652 board. Figure A-2 shows a functional block diagram for the TC652 Demo Board. +5V V FAN FAN TC652 (Top Layer) FIGURE A-1: TC652 Demo Board, Top and Bottom Layer 2002 Microchip Technology Inc. TC652 Fan Control Demo Board TC652 (Bottom Layer) User’s Guide DS21506B-page 9 ...

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... LED) current limiting resistor. 2 Fan current sensing resistor. Value depends on full speed fan current. Typical values appear in Table 2-1. TC652 or TC653 fan control IC. 25°C, L 45° FAN + – ( Si2302 OVER LED (Green 0. User 4.7 selectable (Default) Comments 2002 Microchip Technology Inc. ...

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... NOTES: 2002 Microchip Technology Inc. Board Layout DS21506B-page 11 ...

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... Korea Microchip Technology Korea 168-1, Youngbo Bldg. 3 Floor Samsung-Dong, Kangnam-Ku Seoul, Korea 135-882 Tel: 82-2-554-7200 Fax: 82-2-558-5934 Singapore Microchip Technology Singapore Pte Ltd. 200 Middle Road #07-02 Prime Centre Singapore, 188980 Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan Microchip Technology (Barbados) Inc., Taiwan Branch 11F-3, No ...