ATAVRMC300 Atmel, ATAVRMC300 Datasheet
ATAVRMC300
Specifications of ATAVRMC300
Related parts for ATAVRMC300
ATAVRMC300 Summary of contents
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AVR430: MC300 Hardware User Guide Features • General-purpose power stage for DC and stepper motors • Modular system with 2,54mm pin header connector for device boards • Four half-bridges with independent control of high and low side • Onboard voltage ...
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... Necessary precautions AVR430 2 Please refer to schematics, layout and BOM available at http://www.atmel.com. The MC300 motor control driver board is a power stage board intended for driving BLDC and stepper motors. It has four half-bridges with independent control of high and low sides. Each bridge has options for filtered/voltage divided feedback from its output (EMF) and shunt resistor ...
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Connections Figure 2-1. MC300 with device board, connector details and prototype board fitted. 2.2.1 Device board connector 2.2.2 Power and motor connectors 8124C-AVR-10/08 The MC300 driver board can directly connect to an AVR device board. This is accomplished by ...
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Jumpers AVR430 4 Figure 2-2. Device board connector mechanical specification and schematics. Refer to component floorplan for location of jumpers. Table 2-1. Jumpers and their functions. Designator Use and settings Selects voltage source to Hall sensors (VHa) J1 open ...
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Table 2-2. MC300 device board connector signal description. 8124C-AVR-10/08 Pin Located Name Direction 1 J9p1 GND - 2 J9p2 GND - 3 J9p3 GND - 4 J9p4 Vin Output 5 J9p5 VCC Output 6 J9p6 VCC Output 7 J9p7 VCC ...
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PCB 3.1 PCB Layout AVR430 6 The MC300 is organized as shown in Figure 3-1. Most signals, important components and jumper information are written on the silk screen. For individual component placement refer to the component floorplan. Figure 3-1. ...
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... The common shunt (R62) with testpoints is found above phase ‘U’ and denoted ‘ShCom’. Filters/dividers for Vm, ShCom and Vn are found on the left of the phase areas. The schematics, component floorplan and bill of materials (BOM) for MC300 are found as separate PDF files distributed with this application note, they can be downloaded from http://www.atmel.com. AVR430 7 ...
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Detailed description 4.1 Power 4.1.1 Input 4.1.2 Fuses 4.1.3 LEDs AVR430 8 The MC300 has two power circuits. Vin for powering driver ICs and voltage regulators, and Vmotor (Vm) for powering the output stage (MOSFETs). The separate power supply ...
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Hall sensors 4.2 Half bridges 4.2.1 High side driving considerations 4.2.2 Test points 8124C-AVR-10/08 VHall (VHa) is available power source for Hall sensors, typically found on BLDC motors. With J1 VHa can be connected to Vcc ...
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Shunts 4.3.1 Shunt feedback filters AVR430 10 The board is shipped with a common shunt resistor (ShCom - R62) of 0,050 ohm and the four phase shunt resistors are zero ohm resistors, shown in Figure 4-3. This allows for ...
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Back-EMF 4.4.1 Back-EMF feedback filters 8124C-AVR-10/08 For sensorless applications, the driving logic uses back EMF from the motor’s phases to keep track of the motor position. To observe the back EMF from a phase, the phase is left floating, ...
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Upgrading the MC300 4.5.1 Voltage limitations 4.5.2 Current limitations 4.5.3 Additional decoupling capacitors on Vm AVR430 12 As the board is shipped, its limitations are Vm be increased by replacing the relevant components (not included higher ...
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... BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Atmel makes no representations or warranties with respect to the accuracy or completeness of the contents of this document and reserves the right to make changes to specifications and product descriptions at any time without notice. Atmel does not make any commitment to update the information contained herein. Unless specifically provided otherwise, Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’ ...