HALLROCKER-EVM

www.ti.com Table of Contents User’s Guide HALLROCKER-EVM ABSTRACT This user’s guide describes the characteristics, operation, and use of the Hall-effect human machine interface (HMI) HALLROCKER evaluation module (EVM). This EVM is designed to evaluate the performance of Halleffect switches in the SOT-23 package. Throughout this document, the terms evaluation board, evaluation module, and EVM are synonymous with the HALROCKER-EVM. This document includes a schematic, reference printed circuit board (PCB) layouts, and a complete bill of materials (BOM). Table of Contents 1 Overview..................................................................................................................................................................................2 2 Hardware................................................................................................................................................................................. 3 3 Operation.................................................................................................................................................................................4 4 Schematics, PCB Layout, and Bill of Materials................................................................................................................... 7 4.1 Schematics.........................................................................................................................................................................7 4.2 PCB Layout........................................................................................................................................................................ 8 4.3 Bill of Materials.................................................................................................................................................................10 Trademarks All trademarks are the property of their respective owners. SLIU024 – APRIL 2022 Submit Document Feedback HALLROCKER-EVM Copyright © 2022 Texas Instruments Incorporated 1 Overview www.ti.com 1 Overview Rocker switches are one of the possible forms of control in a HMI. These electromechanical switches are tri-state. Two states require active mechanical force from the user, while the third state is the default resting state when no force from the user is applied. A rocker switch can be constructed with magnets and Hall-effect switches. This document presents an example of such a rocker switch. In particular, the rocker switches presented here are the same switches that were covered in HMI Rocker Switch with Hall-Effect Switches application report. Table 1-1. EVM Device Summary Product Max Operate Point (BOP Max) Min Release Point (BRP Min) DRV5033FADBZ ±6.8 mT ±0.5 mT DRV5033AJDBZ ±12 mT ±1 mT DRV5032ZEDBZ ±63 mT ±30 mT Kit Contents Table 1-2 lists the contents of the EVM kit. Contact the nearest Texas Instruments Product Information Center if any component is missing. Table 1-2. Kit Contents ITEM QUANTITY HALLROCKER-EVM 1 DRV5033FA Rocker Assembly 1 DRV5033AJ Rocker Assembly 1 DRV5032ZE Rocker Assembly 1 USB A male to USB micro B male 1 Related Documentation From Texas Instruments This user's guide is available from the TI website under literature number SLIU024. Any letter appended to the literature number corresponds to the document revision that is current at the time of the writing of this document. Newer revisions are available from www.ti.com or the Texas Instruments' Literature Response Center at (800) 477-8924 or the Product Information Center at (972) 644-5580. When ordering, identify the document by both title and literature number. Table 1-3 lists documentation related to the EVM. Click the links in Table 1-3 for further information. The device name links to the product web folder on www.ti.com. The literature number links to the document PDF. Table 1-3. Related Documentation 2 DOCUMENT TITLE DOCUMENT LITERATURE NUMBER DRV5033 data sheet SLIS152 DRV5032 data sheet SLVSDC7 HALLROCKER-EVM SLIU024 – APRIL 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated www.ti.com Hardware 2 Hardware This EVM allows the user to evaluate Hall-effect switches in a rocker switch application. The EVM includes three rocker switches designed with either the DRV5033FAQDBZ, DRV5033AJQDBZ, or DRV5032ZEDBZ according to the steps described in the HMI Rocker Switch with Hall-Effect Switches application report. In addition to these switches, there is space for incorporating another switch of the user's own design in the quadrant designated as Rocker Switch 4. This rocker switch location provides the user with the flexibility to offset the device from the default location used for the other switches. The EVM is intended to provide basic functional evaluation of the devices. The layout is not intended to be a model for the target circuit, nor is it laid out for electromagnetic compatibility (EMC) testing. Features • 3D printed Rocker switch assemblies. • Conveniently powered from a common micro-USB connector. • Slots for inserting custom switch. • 3D CAD files available for printing more switches or tailoring the design. SLIU024 – APRIL 2022 Submit Document Feedback HALLROCKER-EVM Copyright © 2022 Texas Instruments Incorporated 3 Operation www.ti.com 3 Operation Quick Start Setup The following instructions describe how to set up and use the EVM. 1. Connect the EVM to a PC using a USB cable. a. Insert the micro USB cable into the EVM micro-USB receptacle. b. Plug the other end of the USB A terminal into a PC. EVM Operation The board is populated with three rocker switches as indicated in Figure 3-1. With each switch there are two Hall-effect switches and three LED indicators. When a rocker is in the default resting state, the magnets in the rocker top are sufficiently far from either Hall-effect switch such that neither operate point (BOP) is triggered, resulting into high outputs feeding into an XOR that drives the middle LED to turn on. When the rocker top is moved sufficiently far in one direction, the BOP of Hall-effect device in that direction will trigger, resulting in the corresponding LED to light up. Figure 3-2 shows how the LEDs for a given rocker switch light up based upon the rocker top position. Rocker Switch 1 Rocker Switch 3 Rocker Switch 2 es Hall-effect Switch 4 Channel XOR Left Active LED Default Inactive LED Right Active LED Figure 3-1. Rocker Switch Board 4 HALLROCKER-EVM SLIU024 – APRIL 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated www.ti.com Operation Active State 1 Default Resting State Active State 2 Figure 3-2. Rocker Switch Operation Rocker Switch 4 Quadrant The unpopulated rocker space allows the user to place a rocker switch of interest to them. This space has multiple locations at which a Hall-effect sensor can be placed. This allows the user to observe the impact of increasing sensor offset, which decreases the field observed by the sensor and thereby lowers the BOP threshold angle as shown in Figure 3-3. Alternatively, these alternate sensor placement locations provide the user with the option to evaluate the performance of in-plane devices like the TMAG5123 in a rocker switch design by making some minor modifications to the 3d print files and reorienting the magnet as seen in Figure 3-4. BOP angle (degrees) Rotation plane Device y-offset DRV5033 Device y-offset (mm) z x y Figure 3-3. Y-Offset With DRV5033 SLIU024 – APRIL 2022 Submit Document Feedback HALLROCKER-EVM Copyright © 2022 Texas Instruments Incorporated 5 Operation www.ti.com By (mT) Rotation plane Device Offset TMAG5123 Angle (degrees) z x y Figure 3-4. Y-Offset With TMAG5123 CAD files are available for the user to reuse and manipulate for their evaluation. Rocker Switch 4 Setup 1. Only DBZ 3-pin SOT-23 package devices are intended to be used. 2. GND pin must be on the left-most column of solder pads. 3. As indicated in Figure 3-5, 0-Ω resistors, wire, or solder bridges should be used to connect the device VCC pad to the board VCC as well as the device output to the board OUT4x pad. 4. As indicated in Figure 3-5, a decoupling cap of at least 0.1 µF should be used between the VCC pads and GND pads. VCC 1 2 D1 Green 0Ω R1 10K 1 2 VCC R2 10K 0Ω OUT 100nF OUT 3 GND GND GND DRV5033AJQDBZR GND Figure 3-5. Rocker 4 VCC and GND Connections 6 HALLROCKER-EVM SLIU024 – APRIL 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated www.ti.com Schematics, PCB Layout, and Bill of Materials 4 Schematics, PCB Layout, and Bill of Materials 4.1 Schematics Figure 4-1 and Figure 4-2 show the schematic of the EVM. Figure 4-1 corresponds to the Hall-effect sensor circuit represented by the sheet symbols (green boxes), found in Figure 4-2. VCC 1 2 D1 Green U1 1 VCC OUT 2 R1 R2 10K 10K OUT C1 100nF 50V GND 3 GND DRV5033AJQDBZR GND GND Figure 4-1. Hall-Effect Switch Circuit Block OUT 2 5015 GND VCC 1 VCC D2 APT2012LZGCK Green VCC OUT 2 1 VCC TP2 VCC R3A SENS099A.SchDoc VCC GND R1A SENS099A.SchDoc R3 R4 12 4 GND GND R3B SENS099A.SchDoc 11 R1B SENS099A.SchDoc 13 6 5 U2D U2B OUT GND OUT 10 8 6 GND VCC VCC D3 APT2012LZGCK Green GND J1 1981568-1 GND 1 D- 2 D+ 3 VCC VCC R2A SENS099A.SchDoc TP1 5 5015 11 9 7 100nF 50V VCC OUT R1 D1 Green C2 2 4 GND ID GND 2 1 1 D6 APT2012LZGCK Green DNP 1 VBUS R2 R4A OUT User Selected Hall Switch 4A 2 GND D7 APT2012LZGCK Green GND R5 R6 1 9 3 GND GND R2B SENS099A.SchDoc 8 2 10 U2A 1 GND VCC U2C 2 D1 Green R1 R2 R4B OUT User Selected Hall Switch 4B OUT DNP VCC 14 GND VCC U2E C3 100nF 50V GND 7 GND GND Figure 4-2. EVM Schematic SLIU024 – APRIL 2022 Submit Document Feedback HALLROCKER-EVM Copyright © 2022 Texas Instruments Incorporated 7 Schematics, PCB Layout, and Bill of Materials www.ti.com 4.2 PCB Layout Figure 4-3 through Figure 4-6 show the PCB layers of the EVM. Figure 4-3. Top View Figure 4-4. Top Layer Figure 4-5. Bottom View 8 HALLROCKER-EVM SLIU024 – APRIL 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated www.ti.com Schematics, PCB Layout, and Bill of Materials Figure 4-6. Bottom Layer SLIU024 – APRIL 2022 Submit Document Feedback HALLROCKER-EVM Copyright © 2022 Texas Instruments Incorporated 9 Schematics, PCB Layout, and Bill of Materials www.ti.com 4.3 Bill of Materials Table 4-1. Bill of Materials Designator Quantity Value Description PartNumber Manufacturer C1_R1A, C1_R1B, C1_R2A, C1_R2B, C1_R3A, C1_R3B 6 0.1uF CGA3E2X7R1H104K080AA, 0603 CAP, CERM, 0.1 uF, 50 V, +/10%, X7R, AEC-Q200 Grade 1, 0603 CGA3E2X7R1H104K080AA TDK C2, C3 2 0.1uF CAP, CERM, 0.1 uF, 50 V, +/0603 10%, X7R, AEC-Q200 Grade 1, 0603 CGA3E2X7R1H104K080AA TDK D1_R1A, D1_R1B, D1_R2A, D1_R2B, D1_R3A, D1_R3B, D4, D5 8 Green APT2012LZGCK, LED, Green, SMD LED_0805 APT2012LZGCK Kingbright D2, D3, D6, D7 4 Green LED, Green, SMD LED_0805 APT2012LZGCK Kingbright H1, H3, H5, H7 4 Standoff 1902C Keystone H2, H4, H6, H8 4 Machine Screw, Round, #4-40 x Screw 1/4, Nylon, Philips panhead NY PMS 440 0025 PH B&F Fastener Supply J1 1 Connector, Receptacle, MicroUSB Type B, R/A, Bottom Mount SMT MICRO USB CONN, R/A 1981568-1 TE Connectivity R1_R1A, R1_R1B, R1_R2A, R1_R2B, R1_R3A, R1_R3B, R1_R4A, R1_R4B, R3, R4, R5, R6 12 RES, 10.0 k, 1%, 0.1 W, 0603 0603 RC0603FR-0710KL Yageo TP1, TP2 2 Test Point, Miniature, SMT Testpoint_Keystone_Miniature 5015 Keystone U1_R1A, U1_R1B 2 Digital Switch Omnipolar Switch SOT23-3 Open Drain Hall Effect SOT-23-3 DRV5033FAQDBZR Texas Instruments U1_R2A, U1_R2B 2 Digital Switch Omnipolar Switch SOT23-3 Open Drain Hall Effect SOT-23-3 DRV5033AJQDBZR Texas Instruments U1_R3A, U1_R3B 2 Digital Switch Omnipolar Switch SOT23-3 Open Drain Hall Effect SOT-23-3 DRV5032ZEDBZR Texas Instruments U2 1 Quadruple 2-Input Exclusive-OR D0014A Gates, D0014A, LARGE T&R SN74HCS86DR Texas Instruments R2_R1A, R2_R1B, R2_R2A, R2_R2B, R2_R3A, R2_R3B, R2_R4A, R2_R4B 0 RES, 10.0 k, 1%, 0.1 W, 0603 RC0603FR-0710KL Yageo 10 10.0k 10.0k PackageReference 0603 HALLROCKER-EVM SLIU024 – APRIL 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated IMPORTANT NOTICE AND DISCLAIMER TI PROVIDES TECHNICAL AND RELIABILITY DATA (INCLUDING DATA SHEETS), DESIGN RESOURCES (INCLUDING REFERENCE DESIGNS), APPLICATION OR OTHER DESIGN ADVICE, WEB TOOLS, SAFETY INFORMATION, AND OTHER RESOURCES “AS IS” AND WITH ALL FAULTS, AND DISCLAIMS ALL WARRANTIES, EXPRESS AND IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS. These resources are intended for skilled developers designing with TI products. You are solely responsible for (1) selecting the appropriate TI products for your application, (2) designing, validating and testing your application, and (3) ensuring your application meets applicable standards, and any other safety, security, regulatory or other requirements. These resources are subject to change without notice. TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource. Other reproduction and display of these resources is prohibited. No license is granted to any other TI intellectual property right or to any third party intellectual property right. TI disclaims responsibility for, and you will fully indemnify TI and its representatives against, any claims, damages, costs, losses, and liabilities arising out of your use of these resources. TI’s products are provided subject to TI’s Terms of Sale or other applicable terms available either on ti.com or provided in conjunction with such TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. TI objects to and rejects any additional or different terms you may have proposed. IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2022, Texas Instruments Incorporated