1. Our mission is to develop energy efficient, environmentally friendly lighting solutions for indoor and outdoor applications

2. Contents 1.LED Driver Selection Criteria 2.Collaborative approach to achieve end application goal 3.Collaboration Scope 4.Harvard – Sylvania Case Study 5.Conclusions

3. Driver Key Selection Criteria Performance Cost ReliabilityFeatures Size

4. Driver Key Selection Criteria Cont. Efficiency Power Factor Surge Rating Compliance Performance

5. Driver Key Selection Criteria Cont. Thermals Electrolytic Reliability & Lifetime

6. CLR50/CL50 CL Standard / CLK Driver Key Selection Criteria Cont. Application Constraints Standard Product? Size

7. Driver Key Selection Criteria Cont. Dimming Adjustable Output Thermal Feedback Auxiliary o/p Bells & Whistles? Features

8. Driver Key Selection Criteria Cont. Cost

9. Collaboration Scope Collaborative Paths LED BoardsDrivers

10. Harvard – Havells Sylvania Collaboration 1.Why? Mainly Size / Form Factor Targeted Performance Interface Optimum total cost of final product

11. Harvard – Sylvania Collaboration Cont. 1.Project: Develop bespoke LED driver ~18W power switchable output 1-10V dimming Efficiency >87% PF > 0.95 Reliability > 50,000 hours

12. Harvard – Sylvania Collaboration Cont. 1.Challenges Space Interface Safety Clearances Time & Cost

13. Harvard – Sylvania Collaboration Cont. 1.Successful Project On time To Specification http:// www.havells-sylvania.com/led/lumiance/Inverto

14. Conclusions 1.Standard product may not be suitable for all applications 2.Optimisation around the application can be beneficial in certain cases 3.Close collaboration can yield win-win scenario 4.Collaboration is easy

15. Thank you