大聯(lián)大控股世平推出多款無線智能照明LED調(diào)光解決方案
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21ic訊 大聯(lián)大控股宣布,其旗下世平為了滿足市場對智能照明的日趨強(qiáng)烈的需求而推出多款基于Zigbee、BLE、Wi-Fi 等無線通訊技術(shù)的智能照明LED調(diào)光解決方案,其中包括Zigbee LED Lighting、BLE LED Lighting、Wi-Fi LED Lighting等。在這些方案中,整合了大聯(lián)大控股世平代理的眾多國際大廠的高性能產(chǎn)品,包括Cree、EPCOS、Freescale、Gainspan、NXP、ONSemi、ST、TI、Toshiba、Vishay等,再次展現(xiàn)其優(yōu)異的資源整合能力和系統(tǒng)設(shè)計(jì)能力。
LED具有節(jié)能、環(huán)保、壽命長、體積小等特點(diǎn),可以廣泛應(yīng)用于各種指示、顯示、裝飾、背光源、普通照明和城市夜景等領(lǐng)域。城市智能照明系統(tǒng)作為智慧城市的核心子系統(tǒng),運(yùn)用無線ZigBee、Wi-Fi、BLE等多種物聯(lián)網(wǎng)和IT技術(shù),實(shí)現(xiàn)了遠(yuǎn)程單燈開關(guān)、調(diào)光、檢測等管控功能。
無線通訊模塊:
NXP JN5168 Zigbee 模塊:
2.4GHz IEEE802.15.4兼容
深度休眠:0.1uA
接收電流:18mA
發(fā)射電流:15mA
極高的接收靈敏度 ( -95dbm ) 和抗干擾性
圖示- Zigbee LED Lighting架構(gòu)圖
Freescale MKW2x Zigbee 芯片:
2.4GHz IEEE802.15.4 兼容
50MHz ARM Cortex-M4 MCU,帶16通道DMA
接收電流:15mA
發(fā)射電流:15mA
靈敏度-102dBm
輸出功率可設(shè)置-30 ~ +8dBm
圖示- BLE LED Lighting架構(gòu)圖
TI CC2540 BLE 模塊:
高性能、低功耗的8051微控制器內(nèi)核
兼容2.4 G藍(lán)芽低功耗的RF收發(fā)器
極高的接收靈敏度(-97dbm)和抗干擾性
128 / 256 KB Flash 儲(chǔ)存器
8 KB SRAM ,具備在各種供電方式下的數(shù)據(jù)保持能力
圖示- WIFI LED Lighting架構(gòu)圖
Gainspan GS1011M、GS2100M WIFI 模塊:
2.4GHz IEEE802.11b/g/n 兼容
包含TCP/UDP/IP,HTTP,DNS,DHCP and SSL
支持UART/SPI 接口
供電2.7V—3.6V
內(nèi)置板載天線,客戶也可以外接天線
低功耗模式:睡眠、深度睡眠
電源監(jiān)控
-40℃--+85℃
數(shù)字PWM調(diào)光LED驅(qū)動(dòng):
NXP SSL2129AT LED 驅(qū)動(dòng):
IC used: SSL2129AT
AC line input voltage: 196 V to 264 V
Output voltage: 32 V (DC) to 48 V (DC)
Output current: 240 mA (at Vout = 40 V)
Maximum power into LED load: 12 W
Efficiency: > 82 %
Power Factor: > 0.9 (at 12 W)
THD: < 30 % (at 12 W)
Line regulation: ± 8%
Board dimensions: 63mm x 34mm x 25mm (internal board)
Operating temperature: - 40 °C to +100 °C
Mains harmonics: IEC61000-3-2
EMC compliancy: IEC55015
ON NCL30082 LED 驅(qū)動(dòng):
Quasi−resonant Peak Current−mode Control Operation
Primary Side Sensing (no optocoupler needed)
Wide VCC Range
Source 300 mA / Sink 500 mA Totem Pole Driver with 12 V Gate Clamp
Precise LED Constant Current Regulation 1% Typical
Line Feed−forward for Enhanced Regulation Accuracy
Low LED Current Ripple
250 mV ±2% Guaranteed Voltage Reference for Current Regulation
~ 0.9 Power Factor with Valley Fill Input Stage
Low Start−up Current (13 uA typ.)
Analog or Digital Dimming
Thermal Fold−back
Wide Temperature Range of −40 to +125 C
TI LM3445 LED 驅(qū)動(dòng):
Drop-in compatibility with PWM and Phase dimmers
Line injection circuitry enables PFC values greater than 0.95
Adjustable LED current and switching frequency
Flicker free operation