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2014/10/21
 
 

 

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25% off Lighting Development Kit
 

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- MCP1630 Boost Mode LED Driver Demo Board
- MCP1650 3W White LED Demo Board
- MCP1252 Charge Pump Backlight Demo Board
- MCP1631HV Digitally Controlled Programmable Current Source Reference Design
- Digital LED Lighting Development Kit
- Automotive Ambient Lighting Module Reference Design

 
 

MCP1630 Boost Mode LED Driver Demo Board
Part Number: MCP1630DM-LED2
Devices Supported: MCP1630V, PIC12F683, MCP1702

 

The MCP1630 Boost Mode LED Driver Demo Board is a step-up, switch-mode, dc-dc converter used for power LED applications. The demo board provides a 350 mA or 700 mA constant current source with a jumper selection. The input operating voltage range is 9VDC – 16VDC and the board can supply up to 30W to a string of power LEDs.


Features:

  • PCB with 5 LEDs provide for evaluation
  • Compact size with high output power
  • High efficiency over entire operating input voltage range
  • Selectable 350 mA or 700 mA output current
  • Up to 30W output power
  • Optional software dimming control
  • 500 kHz switching frequency can be changed in firmware
  • Additional application functions can be provided in firmware

Other Requirements:

  • For operation with supplied LEDs, Microchip's 9V, 700 mA power supply P/N AC162039 or equivalent is required
  • For operation at full rated power, a 12V, 3A power supply is recommended

 

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MCP1650 3W White LED Demo Board
Part Number: MCP1650DM-LED1
Devices Supported: MCP1650, MCP1651

 

The MCP1650 3W White LED Demo Board demonstrates Microchip’s MCP165X Boost Controller product family in a battery powered white LED application. The MCP1651 (8-pin MSOP) with low battery detect is featured in a SEPIC converter topology with an input voltage range of 2.0V to 4.5V.


Features:

  • MCP1651 in a SEPIC application configured in Bootstrap mode. This application circuit regulates the output to 3.6V while delivering 700mA of current as the input voltage varies from 2.0V to 4.5V
  • Dimming and flashing modes are provided by a PIC10F206 microcontroller
  • Program connector allows access to the PIC10F206 program code via Microchip’s ICD 2 In-Circuit Debugger

 

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MCP1252 Charge Pump Backlight Demo Board
Part Number: MCP1252DM-BKLT
Devices Supported: MCP1252

 

The MCP1252 Charge Pump Backlight LED Demo Board demonstrates the use of a Charge Pump device in an LED application. The board also serves as a platform to evaluate the MCP1252 device in general. The MCP1252-ADJ is an excellent choice for biasing the back lighting or driving other LED applications. Light intensity is controlled uniformly through the use of ballast resistors. The peak intensity is set by the feedback to the the MCP1252-ADJ. Dimming is accomplished by pulse-width modulating the shutdown pin of the device.

The board also feature a PIC10F206 microcontroller in a SOT23 package, which is used to provide an enable signal to the MCP1252. The PICmicro also accepts a push-button input that allows the user to adjust the white LEDs to five different light intensities, in addition to placing the system in a standby mode that consumes less than 1 uA of current (typical).

 

Features:

  • Programmed MCP1252 Charge Pump control (via the PIC10F206)
  • Four white LEDs
  • PIC10F206 microcontroller:
    • Enables the MCP1252 Charge pump
    • Controls light intensity
    • Places system into sleep mode (< 1 uA)
  • Push-button interface for multiple control options
  • Baseline Flash Microcontroller Programmer (BFMP) Header for reprogramming the PIC10F206
  • 3 AAA Battery Pack (Batteries not included)

 

Useful downloads:

Analog & Interface Product Selector Guide
LED Lighting Applications Design Guide
MCP1252 Charge Pump Backlight Demo Board Firmware
MCP1252 Charge Pump Backlight Demo Board Gerbers
MCP1252 Charge Pump Backlight Demo Board User's Guide
MCP1252/53 Datasheet
Quick Guide to Microchip Development Tools

 

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MCP1631HV Digitally Controlled Programmable Current Source Reference Design
Part Number: MCP1631RD-DCPC1
Devices Supported: MCP1631HV, PIC16F616

 

The MCP1631HV Digitally Controlled Programmable Current Source Reference Design is used to drive and dim one or more power LEDs in a series or parallel topology (depending on the LED’s capability). The reference design may also be used to charge one to four cell NiMH/NiCd or one to two cell Li-Ion battery packs. The board uses the MCP1631HV high-speed analog PWM controller and PIC16F616 microcontroller to generate the proper dimming ratio for LEDs or charge algorithm for NiMH, NiCd and Li-Ion batteries. The boards is used to evaluate Microchip’s MCP1631HV in a SEPIC power converter application.


Features:

  • Input Operating Voltage Range: +3.5V to +16V
  • Firmware default output current of 700 mA with dimming ratio 10:1 (70 mA/step)
  • Maximum output current of 1000 mA
  • Maximum output power of 8.5W
  • Drive one or more LEDs
  • Firmware for charging Li-Ion, NiMH, and NiCd batteries
  • Single 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

 

Useful downloads:

 AN960 - New Components and Design Methods Bring Intelligence to Battery Charger Applications
Analog & Interface Product Selector Guide
MCP1631/HV/MCP1631V/VHV High-Speed, Pulse Width Modulator
MCP1631HV Digitally Controlled Programmable Current Source Reference Design
MCP1631RD-DCPC1 Firmware
MCP1631RD-DCPC1 Gerbers
PIC16F610/16HV610/PIC16F616/16HV616 14-Pin Flash-Based, 8-Bit CMOS MCU
Quick Guide to Microchip Development Tools

 

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Digital LED Lighting Development Kit
Part Number: DM330014

 

LED lighting designers are being challenged to meet the rapidly expanding demand for green, smart energy technologies while differentiating their products. Microchip’s Digital LED Lighting Development Kit (DM330014)  enables designers to quickly leverage the capabilities and performance of the dsPIC33 ‘GS’ series of Digital Signal Controllers (DSCs), to develop LED lighting products. The dsPIC33 ‘GS’ DSC and this reference design allow developers to create a 100% digitally controlled ballast function, while including advanced features such as dimming and color hue control. The dsPIC33 ‘GS’ DSCs can support an entire system implementation for LED lighting products, including power-conversion circuits, such as AC-to-DC and DC-to-DC conversion, along with functions such as Power Factor Correction (PFC), which are necessary for a complete product and lower the overall system cost.

Benefits offered by the digital-power techniques in this reference design and the dsPIC33 ‘GS’ series of DSCs include:

  • Reduced System Cost via higher integration
  • Higher Efficiency using digital-control techniques
  • Flexible and reusable designs
  • Advanced features implemented in software

 

Example Applications:
LED lighting applications supported by Microchip’s LED Lighting development Kit include dimmable LCD backlighting, signage, LED replacement of fluorescent tubes and incandescent bulbs, architectural lighting, and automotive lighting applications. Automotive lighting products include exterior applications, such as headlights, daytime running lights and signal lights.
Key features of Microchip’s Digital LED Lighting Development Kit include:

  • Color control for RGB LEDs
  • Supports DMX512 Standard for brightness control
  • Flexible input voltage support, including both Buck and Boost topologies
  • Fully dimmable
  • Full digital control
  • Fault protection
  • Fully controlled with a single dsPIC33FJ16GS504 DSC

 

Useful downloads:

 Controlling High Brightness LEDs using the dsPIC GS series of SMPS controllers
LED lighting Development Kit with DMX and full documentation
Quick Guide to Microchip Development Tools
Software Solutions and Tools for the 16-bit and 32-bit Designer

 

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Automotive Ambient Lighting Module Reference Design
Part Number: APGRD004

 

The Ambient Lighting Module Reference Design offers a compact solution to control a RGB (Red, Green, Blue) LED over a LIN network. A RGB LED module can be used for illumination, backlighting or indication in a vehicle.
This reference design uses a low end 8-bit microcontroller to implement:

  • RGB LED color mixing (16,383 colors) and intensity (1023 levels)
  • A LIN Protocol module allowing for intersystem communication within the door module as well as the main body controller.

The kit contains 4 modules, which can also be used in conjunction with the APGDT001 LIN Serial Analyzer to quickly create a working LIN network straight out of the box.

 

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