Automotive Power and Motor Drive
BD16950EFV-C Evaluation Board
BD16950EFV-EVK-001
Page 1: ...Automotive Power and Motor Drive BD16950EFV C Evaluation Board BD16950EFV EVK 001...
Page 2: ...tal contact or even bringing your hand close to the board may result in discharge and lead to severe injury or death Therefore DO NOT touch the board with your bare hands or bring them too close to th...
Page 3: ...a 16 bit Serial Peripheral Interface SPI Independent control of low side and high side N MOSFETS allows for several MCU controlled modes A programmable drive current is available to adjust slew rates...
Page 4: ...FV EVK 001 Contents 1 Introduction 3 2 Safety Instructions 3 2 1 Warnings 3 2 2 Instructions for Safe Use 4 3 Hardware Description 5 3 1 Schematic 5 3 2 PCB Layout and Component Placement 6 3 3 Bill o...
Page 5: ...with your local ROHM sales office or use the general ROHM customer support system 2 Safety Instructions 2 1Warnings This evaluation kit must only be operated by trained professionals This evaluation k...
Page 6: ...e 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...
Page 7: ...5 12 2021 ROHM Co Ltd No 63UG103E Rev 001 2021 2 User s Guide BD16950EFV EVK 001 3 Hardware Description 3 1Schematic Figure 1 Evaluation Board Schematic BD16950EFV C...
Page 8: ...his 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 Figure 2 TOP side PCB layout pattern Figure 3 TO...
Page 9: ...16V 150 mW Diode Surface Mount 1 D2 BAS16VV NXP SOT 666 100 V 200 mA Diode Surface Mount 1 J1 J9 J10 J11 J12 J13 Solder Connection closed Jumper Surface Mount 6 J2 J14 Solder Connection closed Jumper...
Page 10: ...nt is limited by thermal performance of the components For example with the typical SPI register settings see chapter 4 2 Table 3 and a load current of 4 5A the transistor Q4 surface temperature was 5...
Page 11: ...onnect to BD16950EFV C RESET button RES H High pin level RES L Low pin level Typically not required to change SEL button SEL H High pin level Will only switch to low when SPI Read Write SEL L Constant...
Page 12: ...cription SET Mode Setting v1 OFF v1 Basic CW v1 Basic CCW v1 PWM1 CW v1 PWM2 CCW 0x02 Mode Setting Ch2 Ch1 00 18 81 18 81 0x03 Protection Mode Setting FC FC FC FC FC 0x04 Half br Motor Op set 1 Curr_S...
Page 13: ...o 63UG103E Rev 001 2021 2 User s Guide BD16950EFV EVK 001 Figure 7 GUI after successful start up Figure 8 USB Cable not detected Figure 9 Recall pre defined register settings Figure 10 Selecting SPI r...
Page 14: ...12 12 2021 ROHM Co Ltd No 63UG103E Rev 001 2021 2 User s Guide BD16950EFV EVK 001 Revision History Date Revision Number Description 2021 2 001 New Release...
Page 15: ...hnical information The Products specified in this document are not designed to be radiation tolerant For use of our Products in applications requiring a high degree of reliability as exemplified below...