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LED Lighting Solutions Design Guide

www.microchip.com/lighting

LED Lighting Solutions

Advanced Communication Solutions for Lighting

ZigBee®Protocol....................................................... 15

MiWi™ Protocol ........................................................ 15

MiWi™ P2P Protocol ................................................. 15

Wi-Fi Interface .......................................................... 15

USB Interface ........................................................... 16

Ethernet Interface ..................................................... 16

CAN and LIN Protocols .............................................. 16

Automotive Ambient Lighting Module

Reference Design (APGRD004) .................................. 16

Temperature Sensing Solutions for

Power LED Applications ................................................ 17

Logic Output Temperature Sensors................................ 17

Resistor-Programmable Temperature Switches ............... 17

Using TC6501 Open Drain Output for

Current Set-Point Control .............................................. 18

Using the TC6501 to Provide MCU Interrupt ................... 18

Fan Controller Application Using TC6502 ....................... 18

Voltage Output Temperature Sensors............................. 19

Power LED Thermal Control Circuit Using

MCP9700 and MCP1650 ............................................. 19

Table of Contents

LED Lighting ................................................................ 3

LED Applications ......................................................... 3

Efficient LED Control .................................................... 3

Driving LEDs with a Charge Pump ................................. 4

MCP1252 Charge Pump Backlight

Demonstration Board (MCP1252DM-BKLT) ................. 4

Driving LEDs with a Boost Regulator ............................. 4

MCP1650 Multiple White LED

Demonstration Board (MCP1650DM-LED2) ................. 5

Driving LEDs with a SEPIC Regulator .............................. 5

MCP1650 3W White LED Demonstration Board

(MCP1650DM-LED1) ................................................. 5

High Efficiency LED Smart Driver.................................... 6

Adding Intelligence – PIC10F Solutions .......................... 7

Provide Simple Dimming Control .................................... 8

Integrate Multiple Tasks –

PIC12 and PIC16 Mixed Signal Solutions ....................... 8

Internal 5V Regulator.................................................... 8

Generating PWM Control Signals ................................... 9

Mixed-Signal LED Drivers .............................................. 10

MCP1630 and MCP1631 High-Speed

PWM Controllers .......................................................... 11

MCP1630 Boost Mode LED Driver

Demonstration Board (MCP1630DM-LED2) ................. 11

MCP1631HV Digitally Controlled Programmable

Current Source Reference Design

(MCP631RD-DCPC1)................................................. 11

Digital Control vs. Analog Control................................... 12

Low Cost Digital Control................................................ 12

High Performance Digital Control ................................... 13

Wired Communication Solutions for Lighting

0-10V Interface......................................................... 14

Digitally Addressable Lighting Interface (DALI) ............. 14

DALI Ballast Software Library ..................................... 14

DMX512 .................................................................. 14