10.8-V/30-W, >95% Efficiency, 4.3-cm2, Power Stage Reference Design for Brushless DC Servo Drive TIDA-01587 (ACTIVE)

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Key Document

Description

This 15-W, 16-mm × 27-mm, power stage reference design drives and controls the position of the brushless DC (BLDC) motor operating from a three- to four-cell Li-ion battery. This highly-efficient solution is optimized with a very small form factor that easily fits into the motor and supports precise motor position control. The design is also capable of driving the motor at high speeds with position feedback. The reference design is protected for overcurrent and short circuit, and the onboard MCU provides UART connectivity, which enables controllability with any external controller.

Features
  • Brushless DC servo drive operates at voltage ranging from 6-V to 16.8-V (3 to 4 cell Li-ion battery)
  • Support 2.5 -ARMS continuous, 5-A peak motor winding current, with over current and shoot-through protection by VDS monitoring.
  • Closed loop 60° electrical position control with digital hall sensor feedback for a BLDC motor
  • Supports position control with sinusoidal excitation with analog hall feedback
  • Very small PCB form factor of 16mm x 27mm, with >95 % power stage efficiency

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Design Files

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TI Devices (5)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD87502Q2  30V, N ch NexFET MOSFET™, dual SON2x2, 42mOhm  MOSFETs  Sample & Buy Not Available
DRV8304  38V Three-Phase Smart Gate Driver With Three Current Shunt Amplifiers  Motor drivers  Sample & Buy View Design Kits & Evaluation Modules
MSP430FR5949  MSP430FR5949 16 MHz Ultra-Low-Power Microcontroller featuring 64 KB FRAM, 2 KB SRAM, 33 IO  Microcontrollers (MCU)  Sample & Buy View Design Kits & Evaluation Modules
TPS709  150-mA 30-V ultra-low-IQ wide-input low-dropout (LDO) regulator with reverse current protection  Power management  Sample & Buy View Design Kits & Evaluation Modules
TVS3300  33V Flat-Clamp Surge Protection Device  Circuit protection  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD87502Q2 WSON (DQK)| 6 Download
DRV8304 Download
MSP430FR5949 Download
TPS709 Download
Download
TVS3300 Download

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Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 1169 23 Feb 2018
Design files (6)
Title Type Size (KB) Date
ZIP 180 24 Feb 2018
ZIP 598 24 Feb 2018
PDF 544 24 Feb 2018
PDF 141 24 Feb 2018
PDF 293 24 Feb 2018
PDF 576 24 Feb 2018
Related Tools & Software

Software (1)



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