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| TLE9879QXA40 BLDC Arduino馬達控制方案 |
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| 文章來(lái)源：永阜康科技 更新時(shí)間：2019/8/9 13:03:00 |
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infineon公司的TLE9879QXA40是單片三相馬達驅動(dòng)器,集成了工業(yè)標準的32位ARM® Cortex® M3 核,工作頻率高達40MHz,可以實(shí)現高檔馬達算法如磁場(chǎng)定向控制(FOC)等.器件包括六個(gè)全集成的NFET驅動(dòng)器,通過(guò)六個(gè)外接功率NFET來(lái)驅動(dòng)3相馬達,一個(gè)可使低電壓工作的電荷泵和具有電流斜率控制的可編電流,以?xún)?yōu)化EMC性能.它的外設包括電流傳感器,逐次逼近ADC,它和捕獲和比較單元同步,用于PWM控制和16位計時(shí)器.也集成了LIN收發(fā)器使的器件和大量的通用I/O進(jìn)行通信.同時(shí)器件還包含線(xiàn)性電壓穩壓器,給外部負載供電.器件還集成了128KB閃存,4KB EEPROM,512B 100次可編存儲器(100TP)以及6KB RAM,引導ROM用來(lái)起動(dòng)固件和閃存程序.單電源工作5.5V-27V,可擴展電源至3V-28V,工作結溫Tj = -40 °C 到+150 °C,和RoHS兼容,滿(mǎn)足AEC規范.主要用在汽車(chē)馬達控制.本文介紹了TLE9879QXA40主要特性,框圖和應用框圖,以及TLE9879 BLDC Arduino馬達控制板主要特性,框圖和簡(jiǎn)化應用框圖,電路圖,材料清單和PCB頂層布局圖.
The TLE9879QXA40 is a single chip 3-Phase motor driver that integrates the industry standard ARM® Cortex® M3 core, enabling the implementation of advanced motor control algorithms such as field-oriented control.
It includes six fully integrated NFET drivers optimized to drive a 3-Phase motor via six external power NFETs, a charge pump enabling low voltage operation and programmable current along with current slope control for optimized EMC behavior. Its peripheral set includes a current sensor, a successive approximation ADC synchronized with the capture and compare unit for PWM control and 16-bit timers. A LIN transceiver is also
integrated to enable communication to the device along with a number of general purpose I/Os. It includes an on-chip linear voltage regulator to supply external loads.
It is a highly integrated automotive qualified device enabling cost and space efficient solutions for mechatronic BLDC motor drive applications such as pumps and fans.
TLE9879QXA40主要特性:
• 32 bit ARM Cortex M3 Core
– up to 40 MHz clock frequency
– one clock per machine cycle architecture
• On-chip memory
– 128 kByte Flash including
– 4 kByte EEPROM (emulated in Flash)
– 512 Byte 100 Time Programmable Memory (100TP)
– 6 kByte RAM
– Boot ROM for startup firmware and Flash routines
• On-chip OSC and PLL for clock generation
– PLL loss-of-lock detection
• MOSFET driver including charge pump
• 10 general-purpose I/O Ports (GPIO)
• 5 analog inputs, 10-bit A/D Converter (ADC1)
• 16-bit timers - GPT12, Timer 2, Timer 21 and Timer 3
• Capture/compare unit for PWM signal generation (CCU6)
• 2 full duplex serial interfaces (UART) with LIN support (for UART1 only)
• 2 synchronous serial channels (SSC)
• On-chip debug support via 2-wire SWD
• 1 LIN 2.2 transceiver
• 1 high voltage monitoring input
• Single power supply from 5.5 V to 27 V
• Extended power supply voltage range from 3 V to 28 V
• Low-dropout voltage regulators (LDO)
• High speed operational amplifier for motor current sensing via shunt
• 5 V voltage supply for external loads (e.g. Hall sensor)
• Core logic supply at 1.5 V
• Programmable window watchdog (WDT1) with independent on-chip clock source
• Power saving modes
– MCU slow-down Mode
– Sleep Mode
– Stop Mode
– Cyclic wake-up Sleep Mode
• Power-on and undervoltage/brownout reset generator
• Overtemperature protection
• Short circuit protection
• Loss of clock detection with fail safe mode entry for low system power consumption
• Temperature Range Tj = -40 °C to +150 °C
• Package VQFN-48 with LTI feature
• Green package (RoHS compliant)
• AEC qualified
圖1. TLE9879QXA40框圖
圖2. TLE9879QXA40簡(jiǎn)化的應用框圖
BLDC馬達控制板
The BLDC Motor Control Shield with TLE9879QXA40 for Arduino Uno makes it easy to control and drive a BLDC motor. It features an Infineon TLE9879QXA40, a single chip 3-Phase motor driver with integrated MOSFETs.
The shield can be controlled by a microcontroller via an SPI interface - here the Arduino Uno R3 is used as master. Both the shield and the Arduino board are connected via the pin headers.
Up to four shields can be stacked via the pin headers, to control up to four BLDC motors
圖3. TLE9879 BLDC Arduino馬達控制板外形圖
TLE9879 BLDC Arduino馬達控制板主要特性:
• An Arduino Uno R3 connected to the shield can control a single chip 3-Phase motor driver via the SPI interface
• BLDC motor control
- 5.5 V - 28 V normal operating input voltage
- 28 V - 40 V extended operating input voltage
• Possibility to stack up to four shields
• SPI interface for high configurability and detailed diagnosis
• Protections:
- overtemperature
- overcurrent
- undervoltage
- overvoltage
• Motor speed control
圖4. TLE9879 BLDC Arduino馬達控制板簡(jiǎn)化應用框圖
圖5. TLE9879 BLDC Arduino馬達控制板框圖
圖6. TLE9879 BLDC Arduino馬達控制板元件放置圖
圖7. TLE9879 BLDC Arduino馬達控制板電路圖
TLE9879 BLDC Arduino馬達控制板材料清單:
圖8. TLE9879 BLDC Arduino馬達控制板PCB設計圖(頂層布局) |
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