MCP1630RD-SALED Microchip Technology, MCP1630RD-SALED Datasheet

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MCP1630RD-SALED

Manufacturer Part Number
MCP1630RD-SALED
Description
Power Management IC Development Tools MCP1630 Sepic Automotive LED Drvr
Manufacturer
Microchip Technology
Type
DC/DC Converters, Regulators & Controllersr
Datasheet

Specifications of MCP1630RD-SALED

Rohs
yes
Product
Reference Designs
Tool Is For Evaluation Of
MCP1630
Input Voltage
9 V to 16 V
Output Voltage
55 V
Output Current
350 mA
MCP1630
SEPIC Automotive LED Driver
Reference Design
© 2011 Microchip Technology Inc.
DS51955A

Related parts for MCP1630RD-SALED

MCP1630RD-SALED Summary of contents

Page 1

... SEPIC Automotive LED Driver © 2011 Microchip Technology Inc. MCP1630 Reference Design DS51955A ...

Page 2

... Select Mode, Total Endurance, TSHARC, UniWinDriver, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. © 2011, Microchip Technology Incorporated, Printed in the U ...

Page 3

... Appendix C. Firmware Flowchart C.1 MCP1630 SEPIC Automotive LED Driver Reference Design Firmware Flowchart ............................................................................................ 25 Appendix D. Test Points and Waveforms D.1 Test Points Description ...................................................................................27 D.2 Waveforms Examples ................................................................................... 28 Worldwide Sales and Service .................................................................................... 34 © 2011 Microchip Technology Inc. MCP1630 SEPIC AUTOMOTIVE LED DRIVER REFERENCE DESIGN Table of Contents DS51955A-page 3 ...

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... MCP1630 Sepic Automotive LED Driver Reference Design DS51955A-page 4 © 2011 Microchip Technology Inc. ...

Page 5

... Appendix C. “Firmware Flowchart” • Appendix D. “Test Points and Waveforms” and waveforms for the MCP1630 SEPIC Automotive LED Driver Reference Design. © 2011 Microchip Technology Inc. MCP1630 SEPIC AUTOMOTIVE LED DRIVER REFERENCE DESIGN Preface NOTICE TO CUSTOMERS – Important information about the MCP1630 – ...

Page 6

... Optional arguments mcc18 [options] file [options] Choice of mutually exclusive errorlevel {0|1} arguments selection Replaces repeated text var_name [, var_name...] Represents code supplied by void main (void) user { ... } © 2011 Microchip Technology Inc. Examples ® IDE User’s Guide ...

Page 7

... Customers should contact their distributor, representative or field application engineer (FAE) for support. Local sales offices are also available to help customers. A listing of sales offices and locations is included in the back of this document. Technical support is available through the web site at: http://support.microchip.com © 2011 Microchip Technology Inc. Preface DS51955A-page 7 ...

Page 8

... MCP1630 Sepic Automotive LED Driver Reference Design DOCUMENT REVISION HISTORY Revision A (September 2011) • Initial Release of this Document. DS51955A-page 8 © 2011 Microchip Technology Inc. ...

Page 9

... SEPIC power train circuit. Because the duty cycle exceeds 50%, a ramp generator provides an additional reference signal to the MCP1630 for slope compensation. This application uses a Peak Current Mode Control. Use only the MCP1630 Note: device option for this board. © 2011 Microchip Technology Inc. MCP1630 SEPIC AUTOMOTIVE LED DRIVER REFERENCE DESIGN DS51955A-page 9 ...

Page 10

... PIC12F683 and MCP1630. The MCP1790 is capable of delivering 70 mA and sustaining 42V surge voltage on input for 180 ms (30 seconds repetition rate). • MCP1416 – high-speed MOSFET driver, capable of providing 1.5A of peak current for driving the switching power transistor. DS51955A-page 10 © 2011 Microchip Technology Inc. ...

Page 11

... CLOCK V DD GP2 5 GP5 GP1 Aux. 4 GP3 GP4 Dimming 7 GP0 FIGURE 1-1: MCP1630 Sepic Automotive LED Driver Reference Design Block Diagram. © 2011 Microchip Technology Inc. MCP1790 IN OUT GND Surge Protection 7 MCP1416 MOSFET MCP1630 Driver V EXT OUTPUT 6 PWM DRIVER COMP CS 3 ...

Page 12

... MCP1630 Sepic Automotive LED Driver Reference Design (102-00323) • Important Information Sheet DS51955A-page 12 ® microcontroller. The maximum output current is set by the R4 V REF I = ----------- - OUT 0.5 Where: ⎛ -------------------- - ⎝ REFmax 178mV I = ---------------- - = OUTmax 0.5 ⎞ × 178 mV ⎠ 357mA © 2011 Microchip Technology Inc. ...

Page 13

... In this case, the power delivered to the load will be about 18W. Connect the LEDs’ string to the J3 connector very important to use the correct polarity (see Figure 2-1). © 2011 Microchip Technology Inc. MCP1630 SEPIC AUTOMOTIVE LED DRIVER REFERENCE DESIGN WARNING ...

Page 14

... For 12V input voltage, the current drain will be around 1.8A at full load (18W). This board has no Thermal Shut-Down function implemented. Please Note: ensure that the load is properly cooled. DS51955A-page 14 Power Supply and Load Connection Diagram. (+)LOAD (-)LOAD Connect a push button between Pin 3 and Pin 4 © 2011 Microchip Technology Inc. ...

Page 15

... The internal ADC is used to monitor the input voltage. If the input voltage is too low or too high, the board will “Power Off” condition. The Soft Start feature is also provided in this firmware. The duty cycle is gradually increased until it reaches the maximum value. © 2011 Microchip Technology Inc. Installation and Operation and Flowchart” ...

Page 16

... On the warning message that appears click, OK. 7. From the Programmer menu, choose Program. Check the Output window if the programming was performed without errors. The board is now ready to operate. DS51955A-page 16 ® Integrated Development Environment ® for the PIC10/12/16 MCU Family (v9.7). © 2011 Microchip Technology Inc. ...

Page 17

... Board – Top Copper and Pads • Board – Top Copper Pads and Silk • Board – Top Silk and Pads • Board – Bottom Copper and Pads © 2011 Microchip Technology Inc. MCP1630 SEPIC AUTOMOTIVE LED DRIVER REFERENCE DESIGN DS51955A-page 17 ...

Page 18

... MCP1630 Sepic Automotive LED Driver Reference Design A.2 BOARD – SCHEMATIC DS51955A-page 18 © 2011 Microchip Technology Inc. ...

Page 19

... A.3 BOARD – TOP COPPER AND PADS © 2011 Microchip Technology Inc. Schematic and Layouts DS51955A-page 19 ...

Page 20

... MCP1630 Sepic Automotive LED Driver Reference Design A.4 BOARD – TOP COPPER PADS AND SILK DS51955A-page 20 © 2011 Microchip Technology Inc. ...

Page 21

... A.5 BOARD – TOP SILK AND PADS © 2011 Microchip Technology Inc. Schematic and Layouts DS51955A-page 21 ...

Page 22

... MCP1630 Sepic Automotive LED Driver Reference Design A.6 BOARD – BOTTOM COPPER AND PADS DS51955A-page 22 © 2011 Microchip Technology Inc. ...

Page 23

... R2 RESISTOR 2.7K OHM 1/8W 1% SMD 0805 The components listed in this Bill of Materials are representative of the PCB assembly. The released Note 1: BOM used in manufacturing uses all RoHS-compliant components. © 2011 Microchip Technology Inc. MCP1630 SEPIC AUTOMOTIVE LED DRIVER REFERENCE DESIGN Description Manufacturer 3M ® ...

Page 24

... Intertechnology, Inc. ® Keystone Corp. Microchip Technology Inc. Microchip Technology Inc. Microchip Technology Inc. Microchip Technology Inc. Part Number CRCW0805100KFKEA CRCW08052M70FKEA CRCW080510K0FKEA CRCW251268R0JNEG CRCW08051K00FKEA RCWE1206R220FKEA CRCW080591K0FKEA CRCW120615K0FKEA CRCW08053K30FKEA CRCW120615K0FKEA CRCW12061R00FKEA Electronics 5016 MCP1630-E/MS PIC12F683-E/SN MCP1416T-E/OT MCP1790-5002E/DB © 2011 Microchip Technology Inc. ...

Page 25

... Soft_Start() Soft_Start = 0 Read Vin No Vin > Vin_min Vin < Vin_max ? PWM = OFF FAULT = 1 Read Push-Button Vref Vref © 2011 Microchip Technology Inc. MCP1630 SEPIC AUTOMOTIVE LED DRIVER REFERENCE DESIGN Comparator Tripped Yes PWM = OFF Soft_Start = 1 Yes Yes FAULT = 1 ? FAULT = 0 No Soft_Start() ...

Page 26

... MCP1630 Sepic Automotive LED Driver Reference Design NOTES: DS51955A-page 26 © 2011 Microchip Technology Inc. ...

Page 27

... TP8 GND TP9 V OUT TP10 I SENSE © 2011 Microchip Technology Inc. MCP1630 SEPIC AUTOMOTIVE LED DRIVER REFERENCE DESIGN Description Artificial ramp for Slope Compensation Master clock for PWM controller Current sense pin for PWM controller Microcontroller and PWM controller supply voltage ...

Page 28

... MCP1630 Sepic Automotive LED Driver Reference Design D.2 WAVEFORMS EXAMPLES D.2.1 Clock Signal (TP 2) D.2.2 Drive Signal (TP 5) DS51955A-page 28 © 2011 Microchip Technology Inc. ...

Page 29

... D.2.3 RAMP Signal (TP 1) D.2.4 CS Signal (TP 3) © 2011 Microchip Technology Inc. Test Points and Waveforms DS51955A-page 29 ...

Page 30

... MCP1630 Sepic Automotive LED Driver Reference Design D.2.5 MOSFET DRAIN Signal (TP 6) D.2.6 Main Inductor Current DS51955A-page 30 © 2011 Microchip Technology Inc. ...

Page 31

... D.2.7 Typical Output Ripple/Noise of the SEPIC Converter D.2.8 Typical Step Response (Zero to Full Load) © 2011 Microchip Technology Inc. Test Points and Waveforms DS51955A-page 31 ...

Page 32

... MCP1630 Sepic Automotive LED Driver Reference Design D.2.9 Typical Efficiency vs Output Voltage 86.0 84.0 82.0 80.0 78.0 76.0 74.0 72.0 DS51955A-page 32 Efficiency vs. Output Voltage Output Voltage (V) eff © 2011 Microchip Technology Inc. ...

Page 33

... NOTES: © 2011 Microchip Technology Inc. DS51955A-page 33 ...

Page 34

... Singapore Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan - Hsin Chu Tel: 886-3-5778-366 Fax: 886-3-5770-955 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-330-9305 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2011 Microchip Technology Inc. 08/02/11 ...

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