APGRD004 Microchip Technology, APGRD004 Datasheet
APGRD004
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Adding Intelligence to Lighting Applications LED Lighting Design Guide LED Lighting Solutions Summer 2010 www.microchip.com/lighting ...
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... 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 ...
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LED Lighting Solutions LED Lighting LEDs are no longer used just for providing the pretty red and green indicator lights on electronic equipment. Advances in technology have allowed LEDs to be used as practical sources of illumination. The primary benefits ...
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LED Lighting Solutions Driving LEDs with a Charge Pump A charge pump power supply does not have inductors that are required in other SMPS topologies. This provides a more compact and less expensive circuit. The downside is that charge pumps ...
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LED Lighting Solutions MCP1650 Multiple White LED Demonstration Board (MCP1650DM-LED2) The MCP1650 Multiple White LED Demo Board uses the MCP1650 IC to power the nine white LEDs which are connected in series. A PIC10F202 microcontroller in a SOT-23 6-pin package ...
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LED Lighting Solutions High Efficiency LED Smart Driver 9-13 volt systems easily adapt to a Smart Driver Circuit to drive High Power LEDs using the MCP1702, MCP1652 and a PIC10F202. The MCP1702 directly connected to the 12 volt source creates ...
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LED Lighting Solutions Adding Intelligence – PIC10F Solutions LED lighting applications can benefit from the intelligence of a MCU. The MCU can be used for a variety of tasks, including the user interface, communication, battery status monitoring and temperature measurement. ...
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LED Lighting Solutions Integrate Multiple Tasks – PIC12 and PIC16 Mixed Signal Solutions The LED current drive function can be integrated with other tasks on the same MCU. Members of the PIC12F and PIC16F device families provide the next step ...
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LED Lighting Solutions Generating PWM Control Signals There are multiple ways to generate PWM control signals to control power circuits. ■ Devices with the Capture-Compare-PWM (CCP) module can generate PWM signals to control power circuits using an on-chip digital timebase. ...
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LED Lighting Solutions Mixed-Signal LED Drivers Some devices, such as the PIC16F616, have a SR latch module that can be used in many different ways along with the comparators and other digital signal events. Events such as clock pulses or ...
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LED Lighting Solutions MCP1630 and MCP1631 High-Speed PWM Controllers The MCP1630 and MCP1631 offer another method that can be used to generate high speed PWM signals for high power LED drivers. The MCP1630 is an 8-pin device that contains the ...
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LED Lighting Solutions Digital Control vs. Analog Control LEDs can be driven with a fully digital control loop. Instead of measuring the LED current with an op amp or comparator circuit, the LED current is sampled using an ADC. Some ...
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LED Lighting Solutions High Performance Digital Control Devices in the PIC18F, PIC24 and dsPIC33F families offer 8-bit and 16-bit solutions for fast calculation of digital control loops. In addition, these families have device variants with fast ADC peripherals and specialized ...
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LED Lighting Solutions Wired Communication Solutions for Lighting Many lighting applications require some form of communication for remote control but also for diagnostic purposes. Some of the most common interfaces used in lighting are: ■ 0-10V ■ DMX512 ■ Digitally ...
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LED Lighting Solutions Advanced Communication Solutions for Lighting Several advanced wired and wireless communication interfaces are being evaluated for use in a multitude of innovative lighting applications including: ■ ZigBee® and MiWi™ wireless protocols based on the IEEE 802.15.4 standard ...
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... LIN network straight out of the box. Development Tools DM163005 – PICDEM LIN Demonstration Board DM163011 – PICDEM CAN-LIN 2 Demonstration Board APGDT001 – LIN Serial Analyzer Tool APGRD004 – Ref Design, Automotive Ambient Lighting Literature on the Web ■ AN829 – LightKeeper Automotive Lighting Control Module, DS00829 Web Links www ...
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LED Lighting Solutions Temperature Sensing Solutions for Power LED Applications Every light source has a specific energy efficiency. A certain portion of the energy supplied wasted in the form of heat. One of the fundamental differences between ...
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LED Lighting Solutions Using TC6501 Open Drain Output for Current Set-Point Control There are different ways that the TC6501 and TC6502 temperature sensors can be used in an application. The open-drain output of the TC6501 is useful for controlling signals ...
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LED Lighting Solutions Voltage Output Temperature Sensors The most basic technique employed to protect the device from damaging over-temperature conditions is to provide a shutdown signal to the driver circuit when a pre-defined threshold is reached. However, this behavior can ...
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... Mississauga, Ontario Tel: 905-673-0699 The Microchip name and logo, the Microchip logo, dsPIC, MPLAB and PIC are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. MiWi, PICDEM, PICDEM.net, PICtail and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. All other trademarks mentioned herein are property of their respective companies. © ...