TIDUC07 March   2022

 

  1.   Description
  2.   Resources
  3.   Features
  4.   Applications
  5.   5
  6. 1System Description
  7. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Highlighted Products
      1. 2.2.1 TMAG5170
      2. 2.2.2 DRV5055A4
    3. 2.3 Design Considerations
      1. 2.3.1 Magnet Selection
      2. 2.3.2 Magnet Shape
      3. 2.3.3 Magnet Rotation Speed
      4. 2.3.4 Sensor Location
      5. 2.3.5 Expected Performance
      6. 2.3.6 Layout for Sensor Location
      7. 2.3.7 45° Alignment
  8. 3Hardware, Software, Testing Requirements, and Test Results
    1. 3.1 Hardware Requirements
    2. 3.2 Test Setup
      1. 3.2.1 Test Equipment
      2. 3.2.2 Test Hardware Configuration
      3. 3.2.3 Test Software Configuration and Initial Data Capture
    3. 3.3 Test Results
      1. 3.3.1 Calibration Methods
      2. 3.3.2 TMAG5170 On-Axis
      3. 3.3.3 TMAG5170 In-Plane
      4. 3.3.4 TMAG5170 Off-Axis
      5. 3.3.5 TMAG5170 45° Alignment
      6. 3.3.6 DRV5055 Off Axis Result
  9. 4Design and Documentation Support
    1. 4.1 Design Files
      1. 4.1.1 Schematics
      2. 4.1.2 BOM
    2. 4.2 Tools and Software
    3. 4.3 Documentation Support
    4. 4.4 Support Resources
    5. 4.5 Trademarks

3.1 Hardware Requirements

Figure 3-1 illustrates the schematic and board connections of TIDA-060040.

GUID-20220208-SS0I-8PVR-XT7V-ZDWR8CNSWSSJ-low.gifFigure 3-1 TIDA-060040 Schematic

The J1 and J2 board connector was configured for compatibility with TI-SCB (SENS077).

Table 3-1 J1 and J2 Pin Connection Summary
PINSIGNAL
1nCS
2Not Used
3SCLK
4GND
5Controller Out Peripheral In
63.3 V
7Controller In Peripheral Out
8Not Used
9Alert
10Not Used
11Not Used
12Not Used

Figure 3-2 shows the layout of TIDA-060040.

GUID-20220208-SS0I-KBGP-4S57-HV34FPVWG3TG-low.gifFigure 3-2 TIDA-060040 Layout

This layout may be used or adjusted as needed to suit any magnet and motor geometry. While this design includes options for TMAG5170 orthogonal, TMAG5170 at 45° rotation, and DRV5055, it is likewise possible to reduce the PCB layout for a single sensor option as desired.