参数资料
型号: ATAVRMC300
厂商: Atmel
文件页数: 8/16页
文件大小: 0K
描述: BOARD EVAL LV MOTOR CONTROL PWR
产品培训模块: MCU Product Line Introduction
megaAVR Introduction
标准包装: 1
系列: AVR®
主要目的: 电源管理,电机控制
嵌入式: 是,MCU,8 位
已用 IC / 零件: ATmega32M1
主要属性: 3 相 BLDC,带电刷 DC,步进电机驱动器板,40V,6A
次要属性: 需要 ATAVRMC301、ATAVRMC303 或 ATAVRMC310
已供物品: 板,电机,软件
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
相关PDF资料
PDF描述
ATAVRMC303 BOARD EVAL MOTOR CTRL W/XMEGA
ATAVRMC320 KIT EVAL MOTOR CTRL CAN/LIN
ATAVRSB100 SMART BATTERY DEVELOPMENT KIT
ATAVRSB200 KIT EVAL FOR AVR SMART BATTERY
ATAVRSB201 KIT REF FOR AVR SMART BATTERY
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