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三相BLDC和PMSM设计的低压马达控制方案

发布时间:2020-06-30 21:58:02 阅读: 来源:电动泵厂家

三相BLDC/PMSM低压马达控制方案采用MC9S08AC16系列器件.这种8位MCU采用增强的HCS08内核,具有低成本和高性能,系列有各种模块,存储器容量,存储器类型和封装形式.MC9S08AC16和MC9S08AC8用于消费类电子和工业,MC9S08AW16A和MC9S08AW8A用于汽车电子.本文介绍了MC9S08AC16系列主要特性,方框图,以及三相BLDC和PMSM低压马达控制方案主要特性,详细电路图以及材料清单(BOM).3-Phase BLDC/PMSM Low- Voltage Motor Control DriveThe MC9S08AC16 Series devices are members of the low-cost, high-performance HCS08 Family of 8-bit microcontroller units (MCUs). All MCUs in the family use the enhanced HCS08 core and are available with a variety of modules, memory sizes, memory types, and package 9S08AC16 Series Devices Consumer Industrial― MC9S08AC16MC9S08AC8 Automotive― MC9S08AW16A― MC9S08AW8A8-Bit HCS08 Central Processor Unit (CPU) 40-MHz HCS08 CPU (central processor unit) 20-MHz internal bus frequency HC08 instruction set with added BGND instruction Background debugging system Breakpoint capability to allow single breakpoint setting during in-circuit debugging (plus two more breakpoints in on-chip debug module) Debug module containing two comparators and nine trigger modes. Eight deep FIFO for storing change-of-flow addresses and event-only data. Debug module supports both tag and force breakpoints. Support for up to 32 interrupt/reset sourcesMemory Options Up to 16 KB of on-chip in-circuit programmable FLASH memory with block protection and security options Up to 1 KB of on-chip RAMClock Source Options Clock source options include crystal, resonator, external clock, or internally generated clock with precision NVM trimmingSystem Protection Optional computer operating properly (COP) reset with option to run from independent internal clock source or bus clock Low-voltage detection with reset or interrupt Illegal opcode detection with reset Illegal address detection with resetPower-Saving Modes Wait plus two stopsPeripherals ADC ― 8-channel, 10-bit analog-to-digital converter with automatic compare function SCI ― Two serial communications interface modules with optional 13-bit break SPI ― Serial peripheral interface module IIC ― Inter-integrated circuit bus module to operate at up to 100 kbps with maximum bus loading; capable of higher baud rates with reduced loading Timers ― Three 16-bit timer/pulse-width modulator (TPM) modules ― Two 2-channel and one 4-channel; each has selectable input capture, output compare, and edge-aligned PWM capability on each channel. Each timer module may be configured for buffered,centered PWM (CPWM) on all channels KBI ― 7-pin keyboard interrupt moduleInput/Output Up to 38 general-purpose input/output (I/O) pins Software selectable pullups on ports when used as inputs Software selectable slew rate control on ports when used as outputs Software selectable drive strength on ports when used as outputs Master reset pin and power-on reset (POR) Internal pullup on RESET, IRQ, and BKGD/MS pins to reduce customer system costPackage Options 48-pin quad flat no-lead package (QFN) 44-pin low-profile quad flat package (LQFP) 42-pin shrink dual-in-line package (SDIP) 32-pin low-profile quad flat package (LQFP)图9S08AC16系列方框图图9S08AC16系统时钟分布方框图三相BLDC/PMSM低压马达控制驱动方案Freescale’s 3-Phase BLDC/PMSM Low-Voltage Motor Control Drive is a 3-phase power stage that will operate with DC input voltages in the range 12C24 V, 4 A. Together with the daughter boards, it provides a software-development platform that allows algorithms to be written and tested without designing and building any hardware. It supports a variety of algorithms for PMSM and brushless DC (BLDC) e 3-Phase BLDC/PMSM Low-Voltage Motor Control Drive contains reverse-polarity protection circuitry, MOSFET-gate-drive circuits, analog-signal conditioning, low-voltage power supplies and bridge MOSFETs. The power devices do not need to be mounted on a ere are controller daughter boards available with these controllers:MC56F8013/23 ― LQFP32MC9S08AC16 ― LQFP44MCF51AC256 ― LQFP80MC9S08MP16 ― LQFP48MC56F8006 ― LQFP32板主要特性:Power supply voltage input 12C24 V DC, extended up to 50 V (see chapter 2.2 Electrical Characteristics for details)Output current 4 APower supply reverse polarity protection circuitry3-phase bridge inverter (6 MOSFET’s)3-phase MOSFET gate driver with overcurrent and undervoltage protection3-phase and DC-bus-current-sensing shuntsDC-bus voltage sensing3-phase back-EMF voltage-sensing circuitryLow-voltage on-board power suppliesEncoder/hall sensor sensing circuitryMotor power and signal connectors2 connectors for daughter board connectionCAN physical layerUSB interfaceUser LED, power-on LED, 6 PWM LED diodes, and SCI activity LED diodesUp, down, toggle switchesReset push-button图3.三相BLDC/PMSM低压马达控制驱动板外形图

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