BD63800MUF-EVK-002

User’s Guide Automotive Power and Motor Drive Evaluation Kit for Stepping Motor Driver BD63800MUF-EVK-002 The ROHM BD63800MUF-C is an AEC-Q100 automotive qualified bipolar low-consumption stepping motor driver that is driven by PWM current. It is suitable for Automotive applications such as Head-up Display, LED Headlight, Heat pump and Intake Air Control Valve. This EVK enables the performance evaluation of this IC in research and development laboratories. ● Description BD63800MUF-EVK-002 is an evaluation board for the Automotive Stepping Motor Driver IC. Also, a GUI can be provided by ROHM for easy SPI register configuration. The key component of the evaluation board is the ROHM BD63800MUF-C which have the following specifications and features: ● BD63800MUF-C Key Specifications:  Supply voltage range…………………….…6.0 to 28 V  Output Current Rating (peak) …..………………1.35 A  Output Current Rating (DC) …..………….........1.20 A  Output On Resistance (up and down) .............0.75 Ω  VCC quiescent supply current (max) …………..10 µA Figure 1: BD63800MUF-EVK-002 BD63800MUF-C operates with single power supply which can simplify the set design. ● ● BD63800MUF-C Features: EVK Features  Plug & Play Stepping Motor Evaluation Kit  Graphical User Interface application software  CLK-IN and SPI-IN Drive mode  Supported Modes: Easy to set/read register. Full step, 1/2, 1/4, 1/8, 1/16 and 1/32 step [Operating System: Windows10]   Current Decay Mode Switch Function - Mix Decay: Linear Adjustment of External Switches for pin setting. Open or High settings  Slow Decay / Fast Decay Ratio Test pins for easy signal monitoring - Auto Decay: Automatic Switch of Slow Decay / Fast Decay Further features and protections are referred to the datasheet. © 2021 ROHM Co., Ltd. 1/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 User’s Guide Contents 1 Introduction ..............................................................................................................................................3 2 Safety Instructions .....................................................................................................................................4 3 4 2.1 Warnings ...........................................................................................................................................4 2.2 Instructions for Safe Use ........................................................................................................................ 4 Hardware Description..................................................................................................................................5 3.1 Schematic ..........................................................................................................................................5 3.2 PCB Layout and Component Placement .....................................................................................................6 3.3 Bill of Materials ....................................................................................................................................9 Operating Instructions ............................................................................................................................... 10 4.1 Hardware ......................................................................................................................................... 10 4.2 Software .......................................................................................................................................... 12 4.2.1 BD63800MUF-C GUI Overview 1 ................................................................................................ 13 4.2.2 BD63800MUF-C GUI Overview 2 ................................................................................................ 13 4.2.3 Rotation Direction Setting ......................................................................................................... 14 4.2.4 Run/Hold Setting ..................................................................................................................... 14 4.2.5 Motor Enable Setting ................................................................................................................ 15 4.2.6 UV Hold setting ....................................................................................................................... 15 4.2.7 Output Electric Current Setting(Hold mode) ................................................................................. 16 4.2.8 Output Electric Current Setting(Run mode) .................................................................................. 16 4.2.9 Output Slew Rate Setting .......................................................................................................... 17 4.2.10 Excitation Mode Setting ............................................................................................................ 17 4.2.11 Clock Input Setting .................................................................................................................. 18 4.2.12 Under Voltage Protection Setting ................................................................................................ 18 4.2.13 Thermal Warning Setting .......................................................................................................... 19 4.2.14 Stall Detect Threshold Setting .................................................................................................... 19 4.2.15 Stall Detect Rotation Speed Setting ............................................................................................ 20 4.2.16 Stall Detect Hysteresis Setting ................................................................................................... 20 4.2.17 Stall Detect Counter Setting ...................................................................................................... 21 4.2.18 BEMF Gain Setting ................................................................................................................... 21 4.2.19 Control Register Map ................................................................................................................ 22 4.2.20 DIAG Selection(DIAG1) ............................................................................................................. 22 4.2.21 DIAG Selection(DIAG2) ............................................................................................................. 23 4.2.22 Status Register ........................................................................................................................ 23 © 2021 ROHM Co., Ltd. 2/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 1 User’s Guide Introduction This evaluation kit (EVK) manual describes the usage of ROHM’s BD63800MUF-EVK-002. The purpose of the EVK is to allow the test and evaluation of the stepping motor driver IC BD63800MUF-C in professional research and development environments. This document provides guidelines to quickly setup the hardware and software for fast and easy stepping motor driver IC performance evaluation.  BD63800MUF-C evaluation board [BD63800MUF-EVK-002]  USB cable (USB2.0 A Plug to C Plug)  BD63800MUF-C GUI control software (MS Windows)  USB Driver USB Cable A Plug to C Plug For operation of the EVK the following additional items will be required:  PC with operating system Windows 10 or higher  Laboratory DC power supplies: 12 V(typ.)/1.5 A(min.) and 5 V/100 mA(min.)  Load (e.g. Bipolar DC step motor)  Connecting cables between DC power supply and boards  Clock generator: Input 5 V to 0 V clock signal for CLK pin Figure 2 shows the setup boards and instruments as mentioned above. Detailed information for connection is described on section 4.1[Hardware]. For receiving the BD63800MUF-C GUI control software please get in touch with your local ROHM sales office or use the general ROHM customer support system. Figure 2: © 2021 ROHM Co., Ltd. BD63800MUF-EVK-002 Evaluation Setup. 3/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 2 User’s Guide Safety Instructions 2.1 Warnings  This evaluation kit must only be operated by trained professionals.  This evaluation kit should be operated in a well ventilated environment and, if used inside a case, the case should not be covered.  This evaluation kit should be placed on a stable, flat, non-conductive surface in use and should not be contacted by conductive items.  All peripherals used with the evaluation kit should comply with relevant standards for the country of use and be marked accordingly to ensure that safety and performance requirements are met.  Where peripherals are connected that do not include the cable or connector, the cable or connector used must offer adequate insulation and operation in order that the requirements of the relevant performance and safety are met.  The connection of incompatible devices to the evaluation kit may affect compliance or result in damage to the unit and invalidate the warranty. 2.2 Instructions for Safe Use  Do not expose the evaluation kit to water, moisture or place on a conductive surface whilst in operation.  Take care whilst handling to avoid mechanical or electrical damage to the printed circuit board and components.  Avoid handling the printed circuit board while it is powered. Only handle by the edges to minimize the risk of electrostatic discharge damage.  Do not short any outputs to each other, to the supply or to GND.  Do not operate the evaluation kit outside its specified ratings.  Take care to monitor the PCB and IC temperatures in particular when operating with high power loads and do not exceed the absolute maximum ratings of all components. © 2021 ROHM Co., Ltd. 4/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 3 User’s Guide Hardware Description 3.1 Schematic Figure 3: Evaluation Board Schematic © 2021 ROHM Co., Ltd. 5/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 User’s Guide 3.2 PCB Layout and Component Placement Please note that the layout of this EVK is not optimized in terms of thermal performance or signal routing. The focus is more on enabling easy test by adding test points to each signal. All pictures are viewed as seen from TOP side. Figure 4: TOP side PCB with Pads and Silkscreen Figure 5: Bottom side with Pads and Silkscreen © 2021 ROHM Co., Ltd. 6/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 User’s Guide Figure 6: Top layer Figure 7: 2 © 2021 ROHM Co., Ltd. nd 7/24 layer No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 User’s Guide rd Figure 8: 3 layer Figure 9: Bottom layer © 2021 ROHM Co., Ltd. 8/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 User’s Guide 3.3 Bill of Materials Comp. Name Value Type Quantity C0 1 nF Capacitor, Surface Mount/Through Hole 1 C1 100 µF Capacitor, Through Hole 1 C2 100 nF Capacitor, Surface Mount/Through Hole 1 C3 0.1 µF Capacitor, Surface Mount/Through Hole 1 CN1 1 row x 4 pin Connector 2.54mm pitch, 1.0mm Hole 1 R0 39 kΩ Resistor, Surface Mount 1 R1 6.2 kΩ Resistor, Surface Mount 1 R4, R5 10 kΩ Resistor, Surface Mount/Through Hole 2 R2, R3 S1, S2, S3, S4, S5, S6, S7, S8, S9 Open Resistor, Surface Mount 2 SPDT switch 2.54mm pitch, 1.0mm Hole 9 U1 BD63800MUF-C IC for Stepper Motor Driver VQFN32FBV050 1 For Microcontroller C4, C5, C7, C8, C9, C10, C11, C12, C13, C17, C18, C20 C6 0.1 µF Capacitor, Surface Mount 12 10 µF Capacitor, Surface Mount 1 C14, C15 22 pF Capacitor, Surface Mount 2 C16, C22 1 µF Capacitor, Surface Mount 2 C19, C21 2.2 µF Capacitor, Surface Mount 2 For BD63800MUF-C C23 10 µF Capacitor, Surface Mount 1 CN2 2 row x 10 pin Connector 2.54mm pitch, 1.0mm Hole 1 D1, D2, D3 7.5V Zener diode, Surface Mount 3 L1, L2 31 Ω Ferrite bead, Surface Mount 2 R10, R13, R14 10 kΩ Resistor, Surface Mount 3 R6, R8, R9, R11, R12 R15, R16, R17, R18, R19, R20, R21, R22 U2 100 kΩ Resistor, Surface Mount 5 22 Ω Resistor, Surface Mount 8 CY7C68013A-56PVXC IC MCU USB PERIPH HI SPD 56SSOP 1 U3 24LC64F-I/SN IC EEPROM 64KBIT I2C 8SOIC 1 U4 74LVC4T3144PW-Q10J IC BUF NON-INVERT 5.5V 14TSSOPLINEAR 3.3V 500MA 8SOIC 1 U5 TPS77533D IC REG LINEAR 3.3V 500MA 8SOIC 1 X1 ECS-240-20-23A-EN-TR CRYSTAL 24.0000MHZ 20PF SMD 1 Table 1: Evaluation Board Bill of Materials © 2021 ROHM Co., Ltd. 9/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 4 User’s Guide Operating Instructions 4.1 Hardware Before start to connect, make sure to turn off all equipment for your safety. Connect the cables as followings: [BD63800MUF-EVK-002] 1. Connect USB Cable(C-Male) to CN2. 2. Connect DC Power Supply [6 to 28 V / 1.5 A (min.)] to VCC(Red) and GND(Black) terminal. 3. Connect Load to Outputs (OUT1A, OUT1B, OUT2A, OUT2B). To make sure the correct connection, please check the install manual of the load. 4. Connect Clock Signal Generator to CLK terminal. DC Power Supply 6 to 28V Vcc GND CN2 USB Cable A-Male to C-Male Vcc GND OUT2A S9 to S1 OUT2B CLK OUT1B OUT1A Load Bipolar DC Step Motor BD63800MUF-EVK-002 Clock Signal Generator 0V(Low) – 5V(High) Output Figure 10: BD63800MUF-EVK-002 Setup © 2021 ROHM Co., Ltd. 10/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 5. User’s Guide Set the All toggle switches (S1 to S9) to “Open” settings. S1:Open, S2:Open, S3:Open, S4:Open, S5:Open, S6:Open, S7:Open, S8:Open, S9:Open All toggle switches are able to select “Open” or “H”. Open: Pin status depend on the external test pin and internal pull-up/pull-down resister. Switch to inner side of the board. H: Pin status is forced to High (5V). Please don’t connect anything to the external test pin for the switch. Switch to outer side of the board. Toggle switch: (S1 for PSB) S9: Toggle to “Open” or ”H” S8: Toggle to “Open” or “H” S7: Toggle to “Open” or “H” S6: Toggle to “INT” S5: Toggle to “INT” S4: Toggle to “INT” S3: Toggle to “Open” or “H” S2: Toggle to “Open” S1: Toggle to “H” Figure 11: Toggle Switch setting Although the maximum operating supply voltage of the motor driver IC BD63800MUF-C is 40 V it is also the absolute maximum value of the IC. So, if you use higher supply voltage than typical please make sure to include enough margin for fluctuation or voltage spikes to never exceed the absolute maximum ratings. Please operate the EVK at room temperature only. The maximum load current should be limited by thermal performance of the components. Please take care to measure the temperature of the EVK components when applying your desired settings and load. © 2021 ROHM Co., Ltd. 11/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 User’s Guide 4.2 Software BD63800MUF-EVK-002 can be controlled by SPI commands and the external setting pins. BD63800MUF-C GUI (Graphical User Interface) software is enabled to set command and read status register easily. Followings are the setting parameter examples on the software. For detail of the software manual, receiving software, please contact to your ROHM sales office or use the general ROHM customer support system. Software Setting items:   Drive mode selection  Motor Enable / disable  Motor Rotation Direction [Clockwise / Counterclockwise]  Driving / Hold mode  Operation on under voltage state [Open / Hold] Drive and protection parameter  Excitation mode  Peak motor current  Slew rate  Protection parameter (UVLO, TW, Stall) © 2021 ROHM Co., Ltd. 12/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 User’s Guide 4.2.1 BD63800MUF-C GUI Overview 1 9. Low Voltage Protection Setting 1. Rotation Direction Setting 16. Control Register Map 2. Run / Hold Setting 3. Motor Enable Setting 10. Overheat Warning Setting 4. UV Hold Setting 11. Stall Detect Threshold Setting 12. Stall Detect Speed-Setting 5. Output Current Setting 6. Output Slew Rate Setting 7. Excitation Mode Setting 17. DIAG Selection 13. Stall Detect Hysteresis Setting 14. Stall Detect Counter Setting 15. BEMF Gain Setting 8. Don’t use Green : Connected, Yellow : Initializing, Red: Not Connected 4.2.2 BD63800MUF-C GUI Overview 2 18. Status Register Map © 2021 ROHM Co., Ltd. 13/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 4.2.3 User’s Guide Rotation Direction Setting Selected setting is reflected when SEND button is pushed. Setting the direction in which the motor will rotate to is possible by pushing the button. 4.2.4 Run/Hold Setting Selected setting is reflected when SEND button is pushed. Setting either Run or Hold Modes is possible by pushing the button. In Hold Mode, motor position is held constant by setting Hold Mode Electric Current. © 2021 ROHM Co., Ltd. 14/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 4.2.5 User’s Guide Motor Enable Setting Selected setting is reflected when SEND button is pushed. Enabling motor movements is possible by pushing the button. When motor is disabled, the output is Hi-Z. 4.2.6 UV Hold setting ② ① Selected setting is reflected when SEND button is pushed. UV Hold function can be disabled by pushing the button. To enable Hold Mode, click UVM3, UVM2 and UVM0 and/or confirm blue highlight when ①,② are pushed. To disable Hold Mode, click UVM3, UVM2 and UVM0 again and/or confirm ｓgray highlight when ①,② are pushed. © 2021 ROHM Co., Ltd. 15/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 4.2.7 User’s Guide Output Electric Current Setting(Hold mode) Selected setting is reflected when SEND button is pushed. Current value, in percentage of the maximum current, is settable by a pull-down menu. The output current level is displayed by IHOLD when external resistance value is inputted into RREF Value. 4.2.8 Output Electric Current Setting(Run mode) Selected setting is reflected when SEND button is pushed. Current value, in percentage of the maximum current, is settable by a pull-down menu. The output current level is displayed by IRUN when external resistance value is inputted into RREF Value. © 2021 ROHM Co., Ltd. 16/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 4.2.9 User’s Guide Output Slew Rate Setting Selected setting is reflected when SEND button is pushed. Output Slew Rate is settable. 4.2.10 Excitation Mode Setting Selected setting is reflected when SEND button is pushed. Excitation mode is selected thru a pull-down menu. © 2021 ROHM Co., Ltd. 17/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 4.2.11 User’s Guide Clock Input Setting Don’t use 4.2.12 Under Voltage Protection Setting Selected setting is reflected when SEND button is pushed. Under Voltage Protection Level is selected thru a pull-down menu. The ON / OFF values change when a register value is chosen. © 2021 ROHM Co., Ltd. 18/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 4.2.13 User’s Guide Thermal Warning Setting Selected setting is reflected when SEND button is pushed. Thermal Warning Level is selected thru a pull-down menu. The ON / OFF values change when a register value is chosen. 4.2.14 Stall Detect Threshold Setting Selected setting is reflected when SEND button is pushed. Stall Detect Threshold Level is selected thru a slide bar. The Threshold change in response to the slide bar. © 2021 ROHM Co., Ltd. 19/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 4.2.15 User’s Guide Stall Detect Rotation Speed Setting Selected setting is reflected when SEND button is pushed. Stall Detect Speed value is selected thru a slide bar. The Threshold change in response to the slide bar. When it is shorter than the CLK period set, Stall Detect will be triggered. 4.2.16 Stall Detect Hysteresis Setting Selected setting is reflected when SEND button is pushed. Stall Detect Hysteresis Level is selected thru a pull-down menu. © 2021 ROHM Co., Ltd. 20/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 4.2.17 User’s Guide Stall Detect Counter Setting Selected setting is reflected when SEND button is pushed. Stall Detect Counter value is selected thru a pull-down menu. It counts the number of times that Stall Detect was masked to determine if stall occurs every 90˚. At 720˚, Stall state is continued at 8. 4.2.18 BEMF Gain Setting Selected setting is reflected when SEND button is pushed. BEMF Gain value is selected thru a pull-down menu. © 2021 ROHM Co., Ltd. 21/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 4.2.19 User’s Guide Control Register Map When ACR tab is selected, we can confirm status of each control register. Blue highlight for enabled resisters or register level “1”. Register level can be changed by clicking on it directly. Also, “Send All” button sends all commands from all addresses. “Reset” button resets all commands from all addresses. 4.2.20 DIAG Selection(DIAG1) Selected setting is reflected when SEND button is pushed. When a selected protect function detected, DIAG1 becomes ‘L’. © 2021 ROHM Co., Ltd. 22/24 No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 4.2.21 User’s Guide DIAG Selection(DIAG2) Selected setting is reflected when SEND button is pushed. When a selected protect function detected, DIAG2 becomes ‘L’. 4.2.22 Status Register When ASR tab is selected, we can confirm state of each status register. Blue highlight for enabled resisters or register level “1”. Thru a pull-down menu, the selected register address would update the status of each register in it when “READ” button is pushed. © 2021 ROHM Co., Ltd. 23/24 When the “READ ALL” button is pushed, the register of all addresses is updated. No. 63UG134E Rev.003 October.2023 BD63800MUF-EVK-002 User’s Guide Revision History Date Revision Number Description Feb. 2021 001 New Release Feb. 2022 002 Update EVK version Oct. 2023 003 Add software information © 2021 ROHM Co., Ltd. 24/24 No. 63UG134E Rev.003 October.2023 Notice Notice 1) The information contained in this document is intended to introduce ROHM Group (hereafter referred to asROHM) products. When using ROHM products, please verify the latest specifications or datasheets before use. 2) ROHM products are designed and manufactured for use in general electronic equipment and applications (such as Audio Visual equipment, Office Automation equipment, telecommunication equipment, home appliances, amusement devices, etc.) or specified in the datasheets. 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