Tech First Kit-Farnell-PF-0102-LED-EVK-Lighting-EVK

LED spot light is mostly used where even illumination is required in certain area. To create even illumination it need bubble optics and you can choose wider angle optics or narrow angle optics to get more or less area to be illuminated. Ultra-wide angle optics for luminaire designs that require the efficient lighting of wide areas with even illuminance. This optics is suitable for low bay lighting, emergency lighting, parking facilities illumination, street light and many other applications with wide beam and high uniformity needs.

Here we demonstrate the LED wider angle Spot Light application with National LM3404HV LM3404HV driver. This spot light application uses 120 degree Bubble optics, so based on application optics can be selected like 20, 30, 45 degree and can build various application with the help of this driver. This spot light uses 5 LED’s & 5 optics, the driver can support upto 1A of o/p current and can drive maximum 15-18 LEDs.

This board can drive maximum upto 45W and with the help of this board can make many LED based application, like spot light, office lighting, exhibition hall lighting, downlight, medical based application –Surgery & Dental etc…

Hence based on application need to look below design consideration

• LED Cluster
• Optics
• Thermal Management

• One number Eval Board: PF-0102-LED-EVK

LED Driver Module:

• VIN Range from 6V to 75V (LM3404HV)
• Constant current drive at 350mA / 700mA / 1A.
• Can drive 1WX18 LED’s if you are driving @350mA :total power is 18W
• Can drive 2WX18 LED’s if you are driving @700mA :total power is 36W
• Can drive 3WX15 LED’s if you are driving @1000mA :total power is 45W
• High efficiency upto 90%
• Thermal shutdown protection for driver IC ( cut-off at 165°C)
• External PWM dimming.
• Scalable upto 15-18 LED’s(1W&2W & 3W) with input voltage between 6-75V for driver

Optional to develop yourself - LED Module:

• 5 PCS XPEWHT-L1-R250-00E01 XPEWHT-L1-R250-00E01 Cree LEDs.
• Input Voltage 16 to 25V to drive 5 LED’s
• Scalable upto 15-18 LED (1W&2W & 3W) with input voltage between 6-75V for driver
• Drive Current max 1A constant
• Use 5 PCS Carclo Lens 10403 to get 120 Degree Wide Angle Light Output Pattern
• Good Uniformity 194lux @ 1mtr and 510lux @ 0.5mtr

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Hardware & Software