TC650AEVUA Microchip Technology, TC650AEVUA Datasheet

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... Data Communications • Power Supplies • Projectors Related Literature • Application Note 771 (DS00771)  2004 Microchip Technology Inc. TC650/TC651 General Description The TC650/TC651 are integrated temperature sensors and brushless DC fan speed controllers. The TC650/ TC651 measure the junction temperature and control ...

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... TC650/TC651 Typical Application Circuit ® PICmicro Microcontroller SHDN Control Overtemperature Alert DS21450C-page 2 + TC650 TC651 PWM DD C SLOW NC 2 GND SHDN OVER NC 4 GND 5 GND +12V DC Fan 500 mA GND  2004 Microchip Technology Inc. ...

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... T OVER HYST Note 1: Transition from 90% to 100% Duty Cycle.  2004 Microchip Technology Inc. † Notice: Stresses above those listed under "Absolute Maxi- mum Ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of the specifications is not implied ...

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... Package Thermal Resistances Thermal Resistance, 8L-MSOP DS21450C-page 4 = 2.8V to 5.5V, SHDN = V DD Sym Min Typ Max T –40 — +125 A T — — +150 J T –65 — +150 A — 206.3 — - +125 Units Conditions °C °C °C °C/W  2004 Microchip Technology Inc. ...

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... V SINK 1.0 0.9 0 2.8V DD 0.7 0 5.5V 0.5 DD 0.4 0.3 0 +25°C 0 (mA) I SOURCE FIGURE 2- OVER SOURCE (V –  2004 Microchip Technology Inc. = 2.8V to 5.5V, SHDN = – +125 FIGURE 2- FIGURE 2- – vs. TC650/TC651 3.0 2.5 2.0 1.5 1 5 2 ...

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... OVER factory set point. 3.3 Ground Ground return for all TC650/TC651 functions. DS21450C-page 6 Description 3.4 Overtemperature Alert Active-low output. 3.5 PWM Fan Drive Output Pulse width modulated rail-to-rail logic output. Nominal frequency is 15 Hz.  2004 Microchip Technology Inc. ...

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... Start-up Timer (see Section 4.2 “Start-Up Timer”). The PWM duty cycle has a range of 40% to 100% for the TC650 and 50% to 100% for the TC651.  2004 Microchip Technology Inc. 4.2 Start-Up Timer To ensure reliable fan start-up, the Start-up Timer turns PWM high for about 2 seconds whenever the fan is started from the off state ...

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... T are 40% speed at 25°C or less and go to full- speed at 45°C. You would order the part number TC650AEVUA. 30°C and go to full speed at 45°C. You would order the part number TC651BEVUA. DEVICE CODES FOR TEMPERATURE THRESHOLDS Threshold T ...

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... See Application Note 771, “Suppressing Acoustic Noise in PWM Fan Speed Control (DS00771), for more information. ® PICmicro Microcontroller SHDN Control Overtemperature Alert FIGURE 5-1: Reducing Switching Noise.  2004 Microchip Technology Inc. Systems” + TC650 TC651 V 1 PWM SLOW NC 2 ...

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... In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line thus limiting the number of available characters for customer specific information. * Standard device marking consists of Microchip part number, year code, week code, and traceability code. DS21450C-page 10 Example: 650ACV 406256  2004 Microchip Technology Inc. ...

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... Mold Draft Angle Top Mold Draft Angle Bottom *Controlling Parameter Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010" (0.254mm) per side. JEDEC Equivalent: MO-187 Drawing No. C04-111  2004 Microchip Technology Inc φ Units ...

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... FIGURE 1: MSOP DEVICES Pin 1 Standard Reel Component Orientation DS21450C-page Carrier Cavity Dimensions Dimensions 5.3 3.6 1.4 User Direction of Feed P, Pitch Reverse Reel Component Orientation W Output Reel Quantity Diameter in Units mm 2500 330 W, Width Pin 1 of Carrier Tape  2004 Microchip Technology Inc. ...

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... T Threshold H f) Limit Code TC650/TC651 . TC650ACVUA: Temp Sensor TC651ACVUATR: Temp Sensor Tape and Reel TC650AEVUA: Temp Sensor TC651AGVUA: Temp Sensor TC650BEVUA: Temp Sensor TC651CGVUA: Temp Sensor TC650CGVUATR: Temp Sensor Tape and Reel DS21450C-page 13 ...

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... TC650/TC651 NOTES: DS21450C-page 14  2004 Microchip Technology Inc. ...

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... PICLAB, PICtail, PowerCal, PowerInfo, PowerMate, PowerTool, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel and Total Endurance are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...

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... Fax: 65-6334-8850 Taiwan - Kaohsiung Tel: 886-7-536-4816 Fax: 886-7-536-4817 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Taiwan - Hsinchu Tel: 886-3-572-9526 Fax: 886-3-572-6459  2004 Microchip Technology Inc. EUROPE Austria - Weis Tel: 43-7242-2244-399 Fax: 43-7242-2244-393 Denmark - Ballerup Tel: 45-4420-9895 Fax: 45-4420-9910 France - Massy Tel: 33-1-69-53-63-20 ...