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Human Centric Lighting from Microchip
There is a wealth of scientific evidence that suggests that wellbeing and behavior are related to the quality of light we are exposed to and that modifying our lighting can have significant benefits.
Microchip has developed a reference design that demonstrates how customers can drive two different white temperature LED strings and how to control the desired color through Bluetooth® communication.
The solution combines a buck LED driver (HV9961) with an 8-bit microcontroller (PIC16F15313) which communicates with the Bluetooth module (RN4871) to create an intelligent LED lighting system solution.
Read this document that outlines a demo that combines a Bluetooth low energy module which includes a Bluetooth baseband controller, on-board Bluetooth stack, digital and analog I/O, and RF power amplifier into one solution.
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Smart Connected Street Lighting
The SAM R34/R35 is a highly-integrated LoRa® System-in-Package (SiP) family which includes an ultra-low power, highperformance 32-bit microcontroller (MCU), LoRa transceiver and software stack. With certified reference designs and proven interoperability with major LoRaWAN™ gateway and network providers, the SAM R34/35 SiPs significantly reduce time to market for Internet of Things (IoT) designs.Features
- Industry’s lowest power LoRa® SiP device
- 32-bit Arm® Cortex M0+ MCU and LoRa Transceiver
- Small form factor: 6x6mm compact BGA package
- 256KB Flash and 40KB RAM accommodates application code and stack
- Most cost and size effective solution, eliminating need for external MCU
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HV96001 LED Controller - Advanced LED Controller for Intelligent Lighting
The HV96001 couples tightly to a secondary microcontroller (MCU) that is typically used for the protocol interface in LED lighting systems. It integrates key features for dimming control, power management and system protection. Its dimming features work with MCU-directed Pulse-Width Modulation (PWM) and analog dimming controls to achieve stable operation at 0.01% and lower. The boost controller stage minimizes the operating overhead to increase system efficiency while reducing inductor size. It also provides line frequency rejection with an input voltage range up to 60V. The PWM dimming uses a proprietary architecture to achieve stable dimming capability over an ultra-wide range (10,000:1+ at 400 Hz). Protection features include output overvoltage and undervoltage protection, overcurrent protection, load short circuit protection and stuck-at-zero detection of the DIM input signal.
Features
- Wide Input Voltage Range: 8V to 60V
- Linear (Analog) Dimming:with Wide Range of Amplitude Control of the LED Current
- Pulse Width Modulation (PWM) (Digital) Dimming; Capable of Dimming to Lower than 0.1% with PWM Pulse Width < 250ns
- Flyback Converter:with Automatic Output Voltage Adjustment for Maintaining High System Efficiency - Boost Converter (Sepic Topology) with Near Zero Voltage Ripple for Ripple Free LED Current (100Hz/120Hz Ripple Rejection,) 200kHz Fixed Switching Frequency
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PoE for Lighting
Digital Ceiling is reshaping enterprises as the revolutionary PoE-based lighting system creates a new breed of smart buildings where everything is connected into a vast Internet of Things (IoT). Microchip Digital Ceiling Switch Paves the Way for Smart Buildings with Enterprise IoT.
Features
- IEEE802.3bt compliant and supports legacy 60/90W PoE devices
- Full power of 8x60W – any individual port can go up to 90W
- Fanless design – enhanced reliability and silent operation
- High energy efficiency – very low power consumption in standby and in operation