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TIDA-00645
1-PWM Brushless DC Motor Control Reference Design
TIDA-00645
Overview
This design is a 3-phase sensored Brushless DC Motor controller that uses a single PWM input for controlling speed and three active-high hall sensors for rotor position detection. The DRV8305's integrated commutation table simplifies the microcontroller firmware required for proper commutation. The DRV8305 automatically handles dead time insertion and gate drive current control, both of which can adjusted using the drivers SPI interface.
Features
- 12 – 24 Volt Operation
- Control scheme requires only a single PWM Signal and three digital hall states
- Onboard header and pull-up resistors for direct connection of active-high Hall Sensors
- SPI communication between MCU and Driver for fast parameter adjustments
- Onboard JTAG header for in-circuit flashing of microcontroller firmware
- Small 3 x 2 inch board includes both power and control stage
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
Design files & products
Design files
Download ready-to-use system files to speed your design process.
TIDUAV0.PDF (784 K)
Reference design overview and verified performance test data
TIDRI19.PDF (437 K)
Detailed schematic diagram for design layout and components
TIDRI20.PDF (216 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
TIDRI21.PDF (180 K)
Detailed overview of design layout for component placement
TIDRI23.ZIP (840 K)
Files used for 3D models or 2D drawings of IC components
TIDCB68.ZIP (442 K)
Design file that contains information on physical board layer of design PCB
TIDRI22.PDF (1367 K)
PCB layer plot file used for generating PCB design layout
Products
Includes TI products in the design and potential alternatives.
MOSFETs
CSD18533Q5A — 60-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 5.9 mOhm
Data sheet: PDF | HTMLMSP430 microcontrollers
MSP430G2553 — 16 MHz MCU with 16KB Flash, 512B SRAM, comparator, UART/SPI/I2C, timer
Data sheet: PDFStart development
Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| * | Design guide | TIDA-00645 Test Results | Oct. 05, 2015 |
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