Lighting Products small, great solutions 1 of 25 Dimmer Li080 - PowerPoint PPT Presentation

September 6, 2012 Lighting Products small, great solutions 1 of 25

Dimmer Li080 ● Dimmers are used to adjust the light intensity of incandescent and halogen light bulbs. ● They use the principle of phase cut (reverse + forward). ● Dimmers only have a two wire connection to replace an ordinary on/off switch. small, great solutions 2 of 25

Phase Cut ● Reverse cut = good for ohmic and capacitive loads ● Forward cut = good for ohmic and inductive loads small, great solutions 3 of 25

LI080 ● Standalone Dimmer Controller ● Uses Reverse Phase Cut ● Switching Element = external MOSFET ● 20 to 1000W ● Programmable Soft Start Function ● Protective Shut Down (Over-current, voltage, temp.) ● Status LED driver ● Suitable for dimming LED retrofits small, great solutions 4 of 25

Advantages ● The LI080 uses reverse phase cut => suitable for Incandescent light bulbs  Halogen light bulbs  All types of transformers (i.e. for halogen lights)  Dimmable LED retrofits (no minimum hold current)  ● The LI080 has on chip protection Over Voltage, Current, Temperature  ● Easy application, fast time to market No MCU, no programming  Application Note  Eval board  ● The LI080 is low cost Lower cost than an MCU based Dimmer  small, great solutions 5 of 25

Product Status ● The LI080 is in MP already ● Support is in place ● Fact Sheet + Data Sheet (on the web) ● Development Tools ➔ Application Note AMG-AN-LI080 (on the web) ➔ Schematic & Layout Package (on the web) ➔ Evaluation Board (available on request) small, great solutions 6 of 25

HID Lamp Ballast Controller ● HID or CDM lamps are as close as artificial light can get to real sunlight ● HID and CDM are the artificial light source with the highest efficacy (Lm/W) ● They are used for galleries, museum, display, aquarium, theater, projectors, floodlights … lighting small, great solutions 7 of 25

What are HID Lamps ● HID lamps are high intensity discharge lamps with a plasma burning in a halogen gas mixture ● They require a special lamp ballast to control ignition and power small, great solutions 8 of 25

AMG-LM302 + AMG-DF102 Chip Set ● Fully Integrated HID Lamp Ballast Chip Set ➔ PFC Controller ➔ Ignition Controller ➔ Lamp Power Control (dimmable 70-100%) ➔ Buck Converter ➔ Full Bridge Lamp Driver ● 20-150W ● Full Protection Over- and Undervoltage, Over Current, Over Temp., Open Lamp  ● Lamp State Monitor and Control small, great solutions 9 of 25

Advantages ● Low Component Count HID Solution ● Small Form Factor ● Full Protection ● Lamp Drive for Long Lamp Lifetime ● Dimmable (70-100%) ● Tight Power Control for Stable Color Temperature ● Very Simple Operation ● Easy Development with Reference Design ● Fast Time to Market small, great solutions 10 of 25

Product Status ● The HID Chipset is in Engineering Sampling Stage ➔ Samples available ➔ MP planned for End 2012 ● Support is in place ● Fact Sheet + Data Sheet (on the web) ● Development Tools ➔ Limited Customers can be supported with DevKits ➔ Limited Samples available ➔ Example Schematic and Layout small, great solutions 11 of 25

LED Drivers ● LED lighting has many advantages ➔ Immediate turn on time ➔ Longevity ➔ Efficiency ➔ Freedom of design ● LED lighting is now used for all kinds of industrial and commercial lighting applications ➔ Light bulb replacement ➔ Display Backlighting small, great solutions 12 of 25

Why LED Drivers? ● DC Supply => a resistor is enough? ● AC Supply => a capacitor is enough? ● A simple resistor or capacitor is the cheapest solution to limit the current over the LED string ● However, an LED driver is needed, when ➔ Highest efficiency ➔ Highest LED lifetime ➔ Full protection and ➔ Wide operating area is desired small, great solutions 13 of 25

AMG-LL9910 and AMG-LL001 ● Single channel LED drivers ● Peak current regulation ● Buck and Boost mode ● Linear + PWM dimming ● Wide operating parameters ● External FET ● Full Protection ➔ Over temp protection possible small, great solutions 14 of 25

LL9910 Vin DC Vin Vdd LD AMG-LL9910 PWMD Gate Rosc CS GND small, great solutions 15 of 25

LL001 Vin DC Vcc Out V5V Comp AMG-LL001 FB Dim Tin GND small, great solutions 16 of 25

Advantages ● Low cost ➔ Few external components ● Wide operating area ➔ LL9910 up to 450V ➔ LL001 up to 36V ● Fully dimmable (linear + PWM) ➔ Triac dimming application planned ● Full protection ● Pin compatible to similar products from other suppliers ● Fast time to market small, great solutions 17 of 25

AMG-LL992x ● High-voltage LED driver with built-in MOSFET ● Intended for LED lighting control ● Allows for efficient operation of LED strings for voltage sources ranging up to 20-400VDC or 20-280VAC ● Includes an internal high-voltage switching MOSFET controlled w/ fixed off-time TOFF of approx.10µs ● LED string is driven at constant current, providing constant light output & enhanced reliability ● Triac dimmable (in steps) ● Output current internally fixed at 20, 30 and 50mA small, great solutions 18 of 25

LL992x LED1 AC LEDn 3 1 DRAIN VDD LL9923 GND 2 small, great solutions 19 of 25

Advantages ● Lowest cost ● Extremely simple design => fastest time to market ● Complete ready to use module in preparation ● Very small form factor small, great solutions 20 of 25

Product Status ● LL9910 ➔ In full production ➔ Evaluation with LL7xx Modules ● LL001 + LL992x ➔ Samples available ➔ MP in Q4/12 ➔ Fact Sheet and Data Sheet ➔ Evaluation with LL79x Modules small, great solutions 21 of 25

LED Driver Modules ● Fully assembled LED driver modules ● Make it easy for the customer ➔ No development effort ➔ No production ➔ Plug and Play ● Extremely high lifetime ➔ MTTF >100.000h ➔ Full protection Over Temp  Over Current + short circuit  Over Voltage  Reverse Connection  small, great solutions 22 of 25

LL75x and LL76x ● Family of LED Driver Modules ● 350mA avg. LED current (fix) ● 7 to 30VDC Supply (LL75x) ● 7 to 50VDC Supply (LL76x) ● Different connection options available ➔ Solder (solderable like SMD component) ➔ Crimp ➔ Crimp/Plug + Crimp/Solder ● Small Form Factor 30x16.5mm (LL75x)  42x16.5mm (LL76x)  small, great solutions 23 of 25

LL79x ● Family of Off Line LED Driver Modules ● 20, 30, 50, 100mA avg. LED current ● Ultra wide supply range ➔ Max. supply = 280VAC ➔ Min. supply = 12VAC (increases w/ no. of LEDs in string) ● Very Small Form Factor (fits in candle) ● MTTF >100000h ● Triac Dimmable (in steps) ● Fully sealed small, great solutions 24 of 25

LL7Ax + LL7Bx + LL7Cx ● Family of Off Line LED Drivers ● 90-270VAC, 305VAC, 350mA + 700mA ● Incl. PFC ● Dimmable ➔ 0-10V (LL7Ax) ➔ Triac (LL7Bx) ➔ PWM (LL7Cx) ● Stackable ● Super Slim (height = 15mm) ● High MTTF >50000h (no electrolytic C's) small, great solutions 25 of 25