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4. Hardware Description
This application has been developed and tested with ATAVRMC300 and ATAVRMC310 boards.
The ATAVRMC300 board is the power board which embeds the bridge while the ATAVRMC310
is the processor board built arround the ATmega32M1 processor.
Refer to the ‘AVR430: MC300 Hardware User Guide’ and ‘AVR470: MC310 Harware User
Guide’ in depth descriptions of these two boards. The schematics are also available with these
application notes.
Figure 4-1.gives a block diagram of the ATAVRMC310 used with an ATAVRMC300 board.
Figure 4-1.
ATAVRMC310 & ATAVRMC300 connection
ATAVRMC310
Processor Board
(ATmega32M1)
ATAVRMC300
Power Board
(bridge)
As shown in Figure 6 the microcontroller contains a Power Stage Controller (PSC). The PSC
can be seen as a Pulse Width Modulator with six output signals. To avoid cross conduction a
Dead Time control is integrated (see ATmega32M1 datasheet for more information about PSC
or Figure 8 below).
A fault input (Over_Current) is linked to PSCIN. This fault input enables the microcontroller to
disable all PSC outputs.
Figure 6. Hardware implementation
ATmega32M1
PSC
PSCOUT0A
PSCOUT0B
PSCOUT0C
PSCOUT1A
PSCOUT1B
PSCOUT1C
Power Bridge
+
Shunt resistor
PH_A
PH_B
PH_C
Motor
PSCIN0
Over_Current
AMP1+;AMP1-
ACMP0
ACMP1
ACMP2
Current
HallA
HallB
HallC
PSC : Power Stage Controller
ACMPi : Analog Comparator Positive input (i = 0,1,2)
AMPi+/- : Analog Differential Amplified channel Positive/Negative inputs (i = 0,1,2)
It’s possible to measure the current with two differential amplified channels with programmable
5, 10, 20 and 40 gain stage. The Shunt resistor has to be adjusted to the amplifier conversion
range.
The Over_Current signal comes from an internal comparator. The comparator’s reference can
be adjusted by the internal DAC.
8
AVR194
8138A–AVR–04/08
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相关代理商/技术参数
ATAVRMC301
功能描述:开发板和工具包 - AVR Processor Brd w/ TINYx61 RoHS:否 制造商:Arduino 产品:Evaluation Boards 工具用于评估:ATMega32U4 核心:AVR 接口类型:I2C, UART, USB 工作电源电压:6 V to 20 V
ATAVRMC303
功能描述:BOARD EVAL MOTOR CTRL W/XMEGA RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:AVR® 标准包装:1 系列:- 主要目的:数字电位器 嵌入式:- 已用 IC / 零件:AD5258 主要属性:- 次要属性:- 已供物品:板 相关产品:AD5258BRMZ1-ND - IC POT DGTL I2C1K 64P 10MSOPAD5258BRMZ10-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ100-ND - IC POT DGTL I2C 100K 64P 10MSOPAD5258BRMZ50-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ1-R7-ND - IC POT DGTL I2C 1K 64P 10MSOPAD5258BRMZ10-R7-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ50-R7-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ100-R7-ND - IC POT DGTL I2C 100K 64P 10MSOP
ATAVRMC310
功能描述:开发板和工具包 - AVR Processor Brd w/ MEGA32M1 RoHS:否 制造商:Arduino 产品:Evaluation Boards 工具用于评估:ATMega32U4 核心:AVR 接口类型:I2C, UART, USB 工作电源电压:6 V to 20 V
ATAVRMC320
功能描述:开发板和工具包 - AVR Motor Contrl. Kit for CAN and LIN app. RoHS:否 制造商:Arduino 产品:Evaluation Boards 工具用于评估:ATMega32U4 核心:AVR 接口类型:I2C, UART, USB 工作电源电压:6 V to 20 V
ATAVRMC321
功能描述:开发板和工具包 - AVR Motor Contrl. Kit for low cost app. RoHS:否 制造商:Arduino 产品:Evaluation Boards 工具用于评估:ATMega32U4 核心:AVR 接口类型:I2C, UART, USB 工作电源电压:6 V to 20 V
ATAVRMC323
功能描述:开发板和工具包 - AVR Motor Contrl. Kit CPU Intens Algorithm RoHS:否 制造商:Arduino 产品:Evaluation Boards 工具用于评估:ATMega32U4 核心:AVR 接口类型:I2C, UART, USB 工作电源电压:6 V to 20 V
ATAVR-MICTOR38
功能描述:集管和线壳 Connector 4 nexus trace connect 4 AVR RoHS:否 产品种类:1.0MM Rectangular Connectors 产品类型:Headers - Pin Strip 系列:DF50 触点类型:Pin (Male) 节距:1 mm 位置/触点数量:16 排数:1 安装风格:SMD/SMT 安装角:Right 端接类型:Solder 外壳材料:Liquid Crystal Polymer (LCP) 触点材料:Brass 触点电镀:Gold 制造商:Hirose Connector
ATAVRONEKIT
功能描述:电路内置调试器 Debug and program all AVR32 devices
RoHS:否 制造商:Microchip Technology 产品:In-Circuit Debugger Kits 工具用于评估:PIC MCUs, dsPIC DSCs 用于:07-00024, AC164113 核心:dsPIC, PIC 接口类型:USB 工作电源电压:3 V to 5 V