mc3phacvp Freescale Semiconductor, Inc, mc3phacvp Datasheet
mc3phacvp
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mc3phacvp Summary of contents
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... Low-power supply voltage detection circuit Included in the MC3PHAC are protective features consisting of dc bus voltage monitoring and a system fault input that will immediately disable the PWM module upon detection of a system fault. © Freescale Semiconductor, Inc., 2005. All rights reserved. MC3PHAC Rev. 2, 7/2005 ...
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... MC3PHAC is offered in these packages: • Plastic 28-pin dual in-line package (DIP) • Plastic 28-pin small outline integrated circuit (SOIC) • Plastic 32-pin quad flat pack (QFP) Device MC3PHACVP MC3PHACVDW MC3PHACVFA MC3PHAC Monolithic Intelligent Motor Controller, Rev RESISTIVE BRAKE CONTROL TO GATE DRIVES PWM’ ...
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See Figure 2 and Figure 3 for the pin connections. PWMPOL_BASEFREQ Figure 2. Pin Connections for PDIP and SOIC PLLCAP PWMPOL_BASEFREQ PWM_U_TOP PWM_U_BOT PWM_V_TOP MC3PHAC Monolithic Intelligent Motor Controller, Rev. 2 Freescale Semiconductor REF 2 27 RESET ...
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Electrical Characteristics Electrical Characteristics Maximum Ratings Characteristic Supply voltage Input voltage Input high voltage Maximum current per pin excluding V Storage temperature Maximum current out Maximum current into Voltages referenced This ...
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DC Electrical Characteristics Characteristic Output high voltage (I = –2.0 mA) Load All I/O pins except RBRAKE Output high voltage RBRAKE (I RBRAKE Output low voltage (I = 1.6 mA) Load All I/O pins except FAULTOUT and RETRY/TxD Output low ...
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Pin Descriptions Pin Descriptions Table pin-by-pin functional description of the MC3PHAC. The pin numbers in the table refer to the 28-pin packages (see Figure 2). Table 2. MC3PHAC Pin Descriptions (Sheet Pin Pin Name ...
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Table 2. MC3PHAC Pin Descriptions (Sheet Pin Pin Name Number 17 RETRY_TxD 18 RBRAKE 19 DT_FAULTOUT 20 VBOOST_MODE FWD 24 START 25 MUX_IN 26 SPEED 27 ACCEL 28 DC_BUS 1. ...
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Introduction Introduction The MC3PHAC is a high-performance intelligent controller designed specifically to meet the requirements for low-cost, variable-speed, 3-phase ac motor control systems. The device is adaptable and configurable, based on its environment. Constructed with high-speed CMOS (complementary metal- oxide ...
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High Precision Calculations — 32-bit variable resolution is employed for precision control and smooth performance. For example, the motor speed can be controlled with a resolution of 4 mHz. Smooth Voltage Transitions — When the commanded speed of ...
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Features MOTOR PHASE CURRENT WAVEFORMS COMPENSATED UNCOMPENSATED Figure 4. Dynamic Bus Ripple Cancellation In standalone mode, the base frequency and PWM polarity are specified at the same time during initialization by connecting either pin 25, 26, 27 exclusively ...
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Selectable PWM Frequency — The MC3PHAC accommodates four discrete PWM frequencies and can be changed dynamically while the motor is running. This resistor can be a potentiometer or a fixed resistor in the range shown in Table 4. In standalone ...
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Features illustrated in Figure 6. To compensate for this voltage loss, the voltage profile is boosted over the normal voltage curve in Figure 5, so that the magnetizing current remains constant over the speed range. 100% VOLTAGE BOOST Figure 5. ...
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The same noise spike applied to the input of a PLL clock circuit is perceived by the PLL as a change in its reference frequency, and the PLL output frequency begins to ...
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Features • Regeneration Control — Regeneration is a process by which stored mechanical energy in the motor and load is transferred back into the drive electronics, usually as a result of an aggressive deceleration operation. In special cases where this ...
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Digital Power Supply Bypassing V and V are the digital power supply and ground pins for the MC3PHAC Fast signal transitions connected internally on these pins place high, short-duration current demands on the power supply. To prevent noise ...
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Operation Operation The MC3PHAC motor controller will operate in two modes. The first is standalone operation, whereby the MC3PHAC can be used without any intervention from an external personal computer. In standalone mode, the MC3PHAC is initialized by passive devices ...
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V 10 kΩ NOTE RESET 0.1 µ MΩ 0.1 µ NOTE Notes: 1. See Figure ...
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Operation DEAD TIME (µs) 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 Figure 9. Dead Time as a Function of the RDEADTIME Resistor RETRY TIME (SECONDS) Figure 10. Fault Retry Time as a Function of the ...
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Standalone Application Example Figure 12 shows an application example of the MC3PHAC, configured in standalone mode. Resistor values and jumpers have been selected to provide the following performance: 1. Base frequency and positive PWM polarity (from 2. ...
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Operation + kΩ NOTE RESET 0.1 µ MΩ 0.1 µ NOTE Notes: 1. See ...
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V NOTE 2 10 kΩ RESET 0.1 µ MΩ 0.1 µF NOTE kΩ Notes external fault circuit is provided, connect Use ...
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Operation exception to this rule is that PC master software allows reading locations $0001, $0036 and $FE01, which are PORTB data register, Dead Time register and SIM Reset Status registers respectively. The addresses for the WRITEVARx commands are checked for ...
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Table 6. User Interface Variables for Use with PC Master Software (Continued) Name Address Maximum voltage $0075 (5), (10) V voltage $0079 Bus Fault timeout $006A Fault timer $006D (10) V decel value $00C9 Bus V RBRAKE Bus $0064 (10) ...
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Operation Each bit variable listed in Table 6 Address: $00C8 SPEED CHANGING W Reset Unimplemented or Reserved Table 7. Status Register Field Descriptions Field 6 SPEED CHANGING Bit — This read-only bit indicates if ...
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Address: $00AE Reset Unimplemented or Reserved Table 8. Setup Register Field Descriptions Field 4 BASE FREQUENCY SET Bit — This read-only bit indicates if the base frequency parameter has BASE been set. FREQUENCY ...
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Operation Address: $0001 START/ STOP W Reset Unimplemented or Reserved Table 9. Switch In Register Field Descriptions Field 6 START/STOP Bit — This read-only bit indicates the state of the START input pin. START/ ...
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Address: $FE01 POWER RESET UP PIN W Reset Unimplemented or Reserved Table 10. Reset Status Register Field Descriptions Field 7 POWER UP Bit — This read-only bit indicates the last system reset was caused ...
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Operation Command State Machine When using the PC master software mode of operation, the command state machine governs behavior of the device depending upon its current state, system parameters, any new commands received via the communications link, and the prevailing ...
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CmdBaseFreqxx CmdBaseFreqxx from any state from any state SetBaseFreq SetBaseFreq Done Done (return to (return to calling calling state) state) WRITEVAR16:Acceleration WRITEVAR16:Acceleration from any state from any state SetAccel SetAccel Done Done (return to (return to calling calling state) state) ...
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Operation • PWMPump — This state is entered from the PWM0RPM state when a CmdFwd or CmdRev command is received. In this state the top PWM outputs are driven off while the bottom PWM outputs are driven with a 50 ...
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Fault state to be automatically exited to the PWM0RPM state, where motion will once again be initiated if a CmdFwd or CmdRev has been received. The exceptions to this rule are the cases ...
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Optoisolated RS232 Interface Application Example shifting from the PC to the MC3PHAC’s serial port. An RS-232 line receiver, such as an MC1489, serves the same purpose without the optoisolation function. To send data from the MC3PHAC to the PC’s serial ...
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Mechanical Data This subsection provides case outline drawings for: • Plastic 28-pin DIP, Figure 20 • Plastic 28-pin SOIC, Figure 21 • Plastic 32-pin QFP, Figure - 28X 0.010 (0.25) ...
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Mechanical Data –T– DETAIL –AB– SEATING –AC– PLANE 0.10 (0.004 DETAIL AD Figure 22. Plastic 32-Pin QFP (Case 873A) MC3PHAC ...
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MC3PHAC Monolithic Intelligent Motor Controller, Rev. 2 Freescale Semiconductor Mechanical Data 35 ...
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... Freescale Semiconductor was negligent regarding the design or manufacture of the part. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2004. ...