TIDUFF7A October   2025  – March 2026

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
    1. 1.1 Terminology
    2. 1.2 Key System Specifications
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
    3. 2.3 Highlighted Products
      1. 2.3.1 AM2612
      2. 2.3.2 DRV7167A
      3. 2.3.3 AMC0106M05
      4. 2.3.4 DP83826A
  9. 3System Design Theory
    1. 3.1 AM2612 Motor Control and Communication Interface
    2. 3.2 DC Link and Ground Configuration
    3. 3.3 Three-Phase Inverter With DRV7167A Half-Bridge GaN Motor Driver Power Stage
    4. 3.4 Inline Shunt Precision Phase-Current Sensing With AMC0106M05 Functionally Isolated, Delta-Sigma Modulator
    5. 3.5 System Power Management
    6. 3.6 Functional Safety Concept
    7. 3.7 Ethernet Physical Layer
    8. 3.8 Position Feedback Interface
  10. 4Hardware, Software, Testing Requirements, and Test Results
    1. 4.1 Hardware Requirements
      1. 4.1.1 TIDA-010979 PCB Overview
      2. 4.1.2 TIDA-010979 Hardware Setting
    2. 4.2 Software Requirements
    3. 4.3 Test Setup
    4. 4.4 Test Results
      1. 4.4.1 Power Management and System Power Up and Power Down
      2. 4.4.2 Half-Bridge GaN Motor Driver Power Stage Switch Node
      3. 4.4.3 Power Stage Thermal Measurements
      4. 4.4.4 Phase-Current Sensing and Position Feedback
      5. 4.4.5 EtherCAT® Communication
  11. 5Design and Documentation Support
    1. 5.1 Design Files
      1. 5.1.1 Schematics
      2. 5.1.2 BOM
      3. 5.1.3 Layout Prints
      4. 5.1.4 Altium Project
      5. 5.1.5 Gerber Files
      6. 5.1.6 Assembly Drawings
    2. 5.2 Tools and Software
    3. 5.3 Documentation Support
    4. 5.4 Support Resources
    5. 5.5 Trademarks
  12. 6About the Author
  13. 7Revision History

1.2 Key System Specifications

Table 1-1 Key System Specifications
PARAMETERTYPICAL VALUECOMMENT
DC input voltage48V (12V to 60V)80V absolute maximum
Maximum three-phase continues output current17ARMSTest condition: No heat sink at 25°C ambient temperature
Maximum output power1kW at 48VDCAt power factor 0.98
Power FET typeGaN technologyHalf-bridge power module with integrated high and low side gate drivers (DRV7167A)
PWM switching frequency20kHz to 100kHzHigher than 80kHz PWM frequencies supported
PWM dead band40nsConfigurable
Functional isolated modulator1mΩ shunt | AMC0106M05Precision, ±50mV input, functional isolated, Delta-Sigma modulator with external clock
Delta-sigma digital filterOSR64 or OSR32Configurable according to PWM frequency
Phase current maximum range±50A3.3V digital interface (clock and data) to MCU
PCB layer stack6-layer, 1oz copper
PCB size70mm diameters round with 15mm diameters through hole
Encoder1BissC, 20-bit resolution, single turnUsed for speed loop
Encoder2BissC, 19-bit resolution, single turnUsed for position loop

Table 1-2 lists the TIDA-010979 interface and connectors specifications.

Table 1-2 Interface and Connectors Specification
PINSIGNALFUNCTION
J1-1GNDJTAG
J1-2JTAG_TMS
J1-3JTAG_TDI
J1-4JTAG_TCK
J1-5JTAG_TDO
J1-63V3
J2-1GNDUART
J2-2UART_TXD
J2-3UART_RXD
J3Jumper ON (QSPI)
Jumper OFF (UART)		BOOT MODE
J4-1H0_TD_NPHY0 MDI
J4-2H0_TD_P
J4-3H0_RD_N
J4-4H0_RD_P
J5-1H1_TD_NPHY1 MDI
J5-2H1_TD_P
J5-3H1_RD_N
J5-4H1_RD_P
J6-1GNDEncoder 1 RS485 interface
J6-2ENC1_CLK_P
J6-3ENC1_CLK_N
J6-4ENC1_DATA_P
J6-5ENC1_DATA_N
J6-6ENC_5V0
J7-1GNDEncoder 2 RS485 interface
J7-2ENC2_CLK_P
J7-3ENC2_CLK_N
J7-4ENC2_DATA_P
J7-5ENC2_DATA_N
J7-6ENC_5V0