MCP1631RD-DCPC1 Microchip Technology, MCP1631RD-DCPC1 Datasheet

REF DES BATT CHARG OR LED DRIVER

MCP1631RD-DCPC1

Manufacturer Part Number
MCP1631RD-DCPC1
Description
REF DES BATT CHARG OR LED DRIVER
Manufacturer
Microchip Technology

Specifications of MCP1631RD-DCPC1

Current - Output / Channel
700mA
Outputs And Type
1, Non-Isolated
Features
Firmware for Li-Ion, NiMH, and NiCd Battery Charger
Voltage - Input
3.5 ~ 16 V
Utilized Ic / Part
MCP1631HV, PIC16F616
Core Chip
MCP1631HV, PIC16F616
Topology
Parallel, Series
Output Current
1A
No. Of Outputs
1
Input Voltage
3.5V To 16V
Dimming Control Type
Analog
Kit Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
MCP1631HV
Digitally Controlled
Programmable Current Source
Reference Design
© 2009 Microchip Technology Inc.
DS51798A

Related parts for MCP1631RD-DCPC1

MCP1631RD-DCPC1 Summary of contents

Page 1

... Programmable Current Source © 2009 Microchip Technology Inc. MCP1631HV Digitally Controlled Reference Design DS51798A ...

Page 2

... PowerInfo, PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Total Endurance, TSHARC, 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. ...

Page 3

... Appendix B. Bill Of Materials (BOM) Appendix C. Demo Board Firmware C.1 Summary Device Firmware Flowchart - LED Driver .................................... 25 C.2 Summary Device Firmware Flowchart - Li-Ion Charger ............................... 26 C.3 Summary Device Firmware Flowchart - NiMH/NiCd Charger ...................... 27 Worldwide Sales and Service .................................................................................... 28 © 2009 Microchip Technology Inc. REFERENCE DESIGN Table of Contents DS51798A-page iii ...

Page 4

... MCP1631HV Digitally Controlled Programmable Current Source Reference Design NOTES: DS51798A-page iv © 2009 Microchip Technology Inc. ...

Page 5

... MCP1631HV Digitally Controlled Programmable Current Source Reference Design. • Appendix C. “Demo Board Firmware” – Provides general information about the application firmware flowcharts and where the source code can be found. © 2009 Microchip Technology Inc. REFERENCE DESIGN Preface NOTICE TO CUSTOMERS ® ...

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 { ... } © 2009 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. © 2009 Microchip Technology Inc. Preface DS51798A-page 3 ...

Page 8

... MCP1631HV Digitally Controlled Programmable Current Source Reference Design DOCUMENT REVISION HISTORY Revision A (May 2009) • Initial Release of this Document. DS51798A-page 4 © 2009 Microchip Technology Inc. ...

Page 9

... What is the MCP1631HV Digitally Controlled Programmable Current Source Reference Design Reference Design? • What the MCP1631HV Digitally Controlled Programmable Current Source Reference Design Reference Design Kit includes. FIGURE 1-1: © 2009 Microchip Technology Inc. REFERENCE DESIGN 3.5V to 16V Power Supply - ...

Page 10

... Output power 10:1 8.5W MULTI-CHEMISTRY CHARGER CAPABILITY 1 Cell 2 Cells 1A 500 mA 700 mA 700 mA ” header file pre-processor duty cycle definition to: 25 ® MCU PWM Overvoltage Thermal 2 protection shutdown ° Cells 4 Cells NA NA 700 mA 700 and ICD 2 programmers is on © 2009 Microchip Technology Inc. ...

Page 11

... Firmware for charging Li-Ion, NiMH, and NiCd batteries • ON/OFF/Dimming switch • Status and fault indication • Hardware and software overvoltage protection (OVP) set to 9.0V. The software value can be modified in the source code to be less than 9.0V © 2009 Microchip Technology Inc. REFERENCE DESIGN DS51798A-page 7 ...

Page 12

... A user supplied thermistor mounted on the LED package is needed to use the thermal shutdown feature in firmware. 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 FIGURE 2-1: DS51798A-page 8 700 mA Drive 350 mA Drive Input Voltage (V) LED Driver Output Current vs. Input Voltage © 2009 Microchip Technology Inc. ...

Page 13

... The Temperature Shutdown should always be enabled in production firmware to prevent the battery pack from overheating during a charge cycle. 5.0 4.0 3.0 2.0 1.0 0.0 0 FIGURE 2-2: © 2009 Microchip Technology Inc. Installation and Operation DISABLED V BAT I OUT 50 100 150 Time (min) Li-Ion Charge Profile for 1000 mAh Cell ...

Page 14

... MCP1631HV Digitally Controlled Programmable Current Source Reference Design I 5.0 4.0 3.0 2.0 1.0 0.0 0 FIGURE 2-3: DS51798A-page 10 V BAT T/10 I OUT Time (min) NiMH Three-Cell (3.6V/600 mAh) Charged at Maximum 0.75C. 1.0 0.8 0.6 0.4 0.2 0.0 80 100 © 2009 Microchip Technology Inc. ...

Page 15

... The Thermal Shutdown is not enabled by default in the firmware. It can be enabled by re-compiling the source code with this feature enabled. The thermistor must be used if the board is programmed with NiMH/NiCd charger firmware. © 2009 Microchip Technology Inc. Installation and Operation Power Supply and Load Connections Diagram. of J1. Connect the ...

Page 16

... Over Voltage Fault Charge Timeout Fault Calibration Complete State DS51798A-page 12 STATUS OUTPUT STATE / FAULT GREEN ON GREEN Flashing RED ON after button press delay RED Flashing (1 Hertz) RED Flashing (2 Hertz) RED Flashing (2 Hertz) YELLOW (both LEDs ON) LED Status © 2009 Microchip Technology Inc. ...

Page 17

... Top off Charge Time: 1 hour - Overvoltage Detection: Once detected, attempts to restart the charge cycle 5 times. If overvoltage is still present, the charge cycle is aborted and the RED LED is flashed. © 2009 Microchip Technology Inc. Installation and Operation ) and the other is for NiCd/NIMH cells 00234R1-LiIon_Charger.hex ) ...

Page 18

... When the GREEN LED is lit, press and hold down S1 for 2 seconds until the YELLOW LED (both green and red LEDs) is lit. The YELLOW status indicator signals the calibration is complete. 4. The calibration power supply can now be removed from the J2 output connector. DS51798A-page 14 © 2009 Microchip Technology Inc. ...

Page 19

... Select “File” then “Import Hex” from the menu. Browse to the desired firmware file to download. 6. Write the file. 7. The status window should indicate success or failure of the download. © 2009 Microchip Technology Inc. Installation and Operation , contains the pre-processor definitions which define the 00234R1 programmer to J3 ...

Page 20

... MCP1631HV Digitally Controlled Programmable Current Source Reference Design NOTES: DS51798A-page 16 © 2009 Microchip Technology Inc. ...

Page 21

... This appendix contains the following schematics and layouts for the MCP1631HV Digitally Controlled Programmable Current Source Reference Design: • Board Schematic • Board – Top Solder Pads and Silk-Screen Layers • Board – Top Copper Layer • Board – Bottom Copper Layer © 2009 Microchip Technology Inc. REFERENCE DESIGN DS51798A-page 17 ...

Page 22

... MCP1631HV Digitally Controlled Programmable Current Source Reference Design A.2 BOARD – SCHEMATIC DS51798A-page © 2009 Microchip Technology Inc. ...

Page 23

... A.3 BOARD – TOP SOLDER PADS AND SILK-SCREEN LAYERS © 2009 Microchip Technology Inc. Schematic and Layouts DS51798A-page 19 ...

Page 24

... MCP1631HV Digitally Controlled Programmable Current Source Reference Design A.4 BOARD – TOP COPPER LAYER DS51798A-page 20 © 2009 Microchip Technology Inc. ...

Page 25

... A.5 BOARD – BOTTOM COPPER LAYER © 2009 Microchip Technology Inc. Schematic and Layouts DS51798A-page 21 ...

Page 26

... MCP1631HV Digitally Controlled Programmable Current Source Reference Design NOTES: DS51798A-page 22 © 2009 Microchip Technology Inc. ...

Page 27

... R17, R18 RES 40.2K OHM 1/8W 1% 0805 SMD The components listed in this Bill of Materials are representative of the PCB assembly. The Note 1: released BOM used in manufacturing uses all RoHS-compliant components. © 2009 Microchip Technology Inc. REFERENCE DESIGN Description Manufacturer ® Panasonic Panasonic - ECG ...

Page 28

... The components listed in this Bill of Materials are representative of the PCB assembly. The Note 1: released BOM used in manufacturing uses all RoHS-compliant components. DS51798A-page 24 Manufacturer Part Number Panasonic - ECG ERJ-6ENF3921V ERJ-6GEY0R00V Panasonic - ECG ERJ-6ENF3922V Panasonic - ECG ERJ-6ENF1001V Microchip Technology Inc. MCP1631HV-330E/ST Microchip Technology Inc. PIC16F616-I/SL © 2009 Microchip Technology Inc. ...

Page 29

... For the latest version of the MCP1631HV Digitally Controlled Programmable Current Source Reference Design LED Driver firmware, visit our web site at www.microchip.com. Shutdown No OVP time retries > 5 Fault FIGURE C-1: © 2009 Microchip Technology Inc. REFERENCE DESIGN START Initialize: Processor, Parameters ( mA 700 mA), LEDmin LEDmax Timers, Sample ADC() ...

Page 30

... For the latest version of the MCP1631HV Digitally Controlled Programmable Current Source Reference Design Li-Ion Charger firmware, visit our web site at www.microchip.com. Yes S1 pressed No Calibrate LiIon() No Charge Timer Yes Shutdown FIGURE C-2: © 2009 Microchip Technology Inc. Demo Board Firmware Initialize: Processor, Parameters, Timers; START SampleADC() No Yes S1 pressed? > Precondition Current Mode ...

Page 31

... Shutdown OVP No time retries > 5 Yes Fault No Cell Temp > 40°C? Yes OTP time retries > FIGURE C-3: © 2009 Microchip Technology Inc. Demo Board Firmware START Initialize: Processor, Parameters, Timers; SampleADC() S1 pressed? Yes ChargeTimer= BATT > 1.8V / Cell? Yes No Cell o temp > 40 ...

Page 32

... Fax: 886-3-6578-370 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2009 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...

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