Introduction | www.ti.com |
1Introduction
The DRV8811_RD customer EVM is the complete solution to evaluating the DRV8811 microstepping bipolar stepper driver. It houses a USB link to provide easy control from a PC computer, an MSP430 microcontroller that interprets serial commands from the PC and generates control signals to the driver device, and the DRV8811 device with access to all signals for a complete evaluation.
1.1Block Diagram
| VM Power |
|
| Test Stake s |
|
|
| Outputs |
| DRV8811 | Motor |
|
| |
USB | MSP4 30F1612 |
|
1.2Power Connectors
The DRV8811 customer EVM uses a combination of terminal blocks and test clips for the application/monitoring of power. The only power rail the user must supply is VM for the device’s power stage. VDD for logic levels is internally generated from the USB connection.
The user must apply VM according to datasheet recommended parameters.
6 | Laser and Motor Drives |
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