AN1661 Freescale Semiconductor / Motorola, AN1661 Datasheet
AN1661
Related parts for AN1661
AN1661 Summary of contents
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... Such a low-cost microcontroller is powerful enough to do the whole job necessary for driving a closed loop chopper drive. © Motorola, Inc., 2001 For More Information On This Product, Figure 1. Low-Cost Motor Control Chopper Board Go to: www.freescale.com Order this document by AN1661/D Rev. 1.0 AN1661 ...
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... EMC (electromagnetic compliance) behavior. MOTOR VOLTAGE Motor Voltage 50% DUTY CYCLE 50% duty cycle dc VOLTAGE DC Voltage GATE SIGNAL Gate Signal 2 Figure 2. Pulse-Width Modulation Technique — Chopper For More Information On This Product, Go to: www.freescale.com Figure 2). Modulation of the PWM’s AN1661 MOTOROLA ...
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... In addition, the MC68HC705MC4 has specific features including: • • • AN1661 MOTOROLA For More Information On This Product, Choice between different control algorithms Choice between any shape of speed command (acceleration and deceleration phase) Choice between any type of tachometer Software that can make the hardware simpler ...
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... Table 1. Electrical Characteristics of the MGP7N60E Parameter 3, the schematic of a chopper motor control board is shown. Power stage Relay Current measurement Circuitry for a tachometer connection Power supply Microcontroller For More Information On This Product, Go to: www.freescale.com Table 1. Value 600-V max 7-A max 2.2-V typ 6-V typ 59/150-ns typ AN1661 MOTOROLA ...
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... When working with this board, do not connect any computer, scope, or development system. This could damage the equipment and the board. In this case necessary to use an isolation transformer. AN1661 MOTOROLA For More Information On This Product, Go to: www.freescale.com Application Note ...
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... MP4-GND are provided on-board. Figure 3. Low-Cost Motor Control Chopper Drive START/STOP DIRECTION 0–5 VOLTS SPEED GND 3 2 STOP = OPEN START = GND Figure 4. External Control Panel For More Information On This Product, Go to: www.freescale.com Figure 4) should be SW2 SW1 START/STOP DIRECTION AN1661 MOTOROLA ...
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... The same principle is used for all time conditions. AN1661 MOTOROLA For More Information On This Product, shows a state diagram. The software consists of a control block Go to: www ...
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... RTS RAMPE Figure 5. Program State Diagram ON — START/STOP MODE Figure 6. DIP Switch SW1 For More Information On This Product, Go to: www.freescale.com MOTOR STOP PUSH ON TEST START BUTTON UPDATED UPDATED WATCHDOG Figure 6) is NOT CONNECTED AVAILABLE OFF — DEMO CYCLE AVAILABLE MOTOROLA AN1661 ...
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... Subroutine subroutine changes the slope of the command speed’s signal. The slope is the same for the rising and falling edges and can be modified through a change in the time interval for the RAMPE subroutine. AN1661 MOTOROLA For More Information On This Product, MIN = Minimal number of counts between two edges of Min Go to: www ...
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... The input capture interrupt service routine (ICISR) is allowed to run six times every 87 ms (TOISR occurred), and it calculates an average value of the time interval between the rising edges of the tachometer signal. INPUT CAPTURE INTERRUPT RUN APPLICATION For More Information On This Product, Go to: www.freescale.com SENSE TACHO SIGNAL RTI AN1661 MOTOROLA ...
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... Table 2 and ROM Used significant part of the memory is still available. I/O Use Table 3 I/O Port A Port B Port C Port D AN1661 MOTOROLA For More Information On This Product, shows how much memory is needed to run the chopper drive. A Table 2. Memory Usage Memory Available SRAM 176 bytes ROM 3 ...
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... V, 500 mA MPS8099 6 MHz Resonator Bridge rectifier, 4.0 A, 600 V KBU4J Fast diode 8.0 A, 600 V MSR860 Schottky diode 1 1N5817 1 Diode, 1N4001 Bridge rectifier, 1.0 A, 500 V B250D 0. Resistor 2 1/4 W Resistor 1/4 W Resistor 150 , 1/4 W Resistor 1/4 W Resistor 2 1/4 W Resistor 4 1/4 W Resistor AN1661 MOTOROLA ...
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... Freescale Semiconductor, Inc. Component C2, C3, C5, C6, C8, C9, C10, C13, C15 C11, C12 MP1–MP4 AN1661 MOTOROLA For More Information On This Product, Table 4. Parts List (Continued) Quantity R10 1 R15 1 R18 1 R19 C4 C14 1 C16 J1–J8 ...
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... Freescale Semiconductor, Inc. Application Note 14 Figure 8. PCB Layout Component Side Figure 9. PCB Layout Copper Side For More Information On This Product, Go to: www.freescale.com AN1661 MOTOROLA ...
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... This application note describes a real application, which can be used in a low-cost product. The unused memory and some performance capacity are still available for other customer purposes. These facts make this application especially suitable for the appliance market. AN1661 MOTOROLA For More Information On This Product, Input voltage — 220-volt RMS Input current — ...
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... Rail-to-Rail Dual Operational Amplifier, document order number MC33502/D MC68HC705MC4 General Release Specification, document order number HC705MC4GRS/D are registered trademarks of Motorola, Inc. Motorola, Inc Equal Opportunity/Affirmative Action Employer. For More Information On This Product, Go to: www.freescale.com © Motorola, Inc., 2001 AN1661/D ...