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BD83A14EFV-M Evaluation Board

REFLED004-EVK-001

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Summary of Contents for BD83A14EFV-M

Page 1: ...BD83A14EFV M Evaluation Board REFLED004 EVK 001...

Page 2: ...al 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 the...

Page 3: ...combining with PWM dimming DC DC converters can be controlled for boost applications and the input operating voltage range is 4 5 V to 48V Application Automotive backlight application for CID cluster...

Page 4: ...or LEDs to evaluation board Anode to VOUT pin Cathode to LEDx pin 2 Connect power supply to B pin and B pin of the evaluation board 3 Connect power supply to EN pin It must be less than 7V 4 Connect p...

Page 5: ...For unused channels pull down the LED pin to GND with 10k The ISET terminal voltage can be adjusted according to the voltage input to the ADIM_P terminal The LED current can be calculated from the fol...

Page 6: ...4 10 2022 ROHM Co Ltd 65UG067E Rev 001 Dec 2022 User s Guide BD83A14EFV M 001 Pin configuration Figure 6 Pin configuration...

Page 7: ...5 10 2022 ROHM Co Ltd 65UG067E Rev 001 Dec 2022 User s Guide BD83A14EFV M 001 Evaluation board schematic Figure 7 Evaluation board schematic...

Page 8: ...series Resistor Rohm RRT2 1608 12k MCR03 series Resistor Rohm RFAIL 1608 100k MCR03 series Resistor Rohm CREG 2012 2 2 F 16V GCM21BR71C205KA49 Ceramic Murata CREG2 Open M1 HSMT8AG 40V 27A RQ3G270BJFR...

Page 9: ...7 Ceramic Murata XLED1 1005 470pF X7S 50V GCM1555C1H471JA16 Ceramic Murata XLED2 1005 470pF X7S 50V GCM1555C1H471JA16 Ceramic Murata XLED3 1005 470pF X7S 50V GCM1555C1H471JA16 Ceramic Murata XLED4 100...

Page 10: ...1 6mm Copper thickness 1 oz Number of layers 4 Board size 90X60mm Minimum copper width 0 15mm Minimum air gap 0 15mm Minimum hole size 0 3mm The layout of BD83A14EFV M is shown below Top view Top view...

Page 11: ...data Ta 25 C Output voltage 34V Iout 120mA x 4ch Figure 12 Efficiency vs Input voltage Figure 13 Gain Phase vs Frequency VCC 12V Efficiency Input voltage V 70 75 80 85 90 95 100 5 10 15 20 180 120 60...

Page 12: ...10 10 2022 ROHM Co Ltd 65UG067E Rev 001 Dec 2022 User s Guide BD83A14EFV M 001 Revision history Date Revision number Description 06 Dec 2021 001 Initial release...

Page 13: ...ch technical 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...

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