ATAVRFBKIT Atmel, ATAVRFBKIT Datasheet - Page 2

• Manufacturer Part Number: ATAVRFBKIT
• Description: KIT DEMO BALLAST FOR AT90PWM2
• Manufacturer: Atmel
• Series: AVR®r

Specifications of ATAVRFBKIT

• Main Purpose: Lighting, Ballast Control
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: AT90PWM2, AT90PWM3
• Primary Attributes: 18 W, Up to 2 Type T8 Lamps, Dimmable, Auto Detect of Swiss or DALI
• Secondary Attributes: Power Factor Corrected (PFC), 90 to 265 VAC, 90 to 370 VDC
• Data Bus Width: 8 bit
• Core Chip: AT90PWM2B
• Topology: Boost
• No. Of Outputs: 1
• Dimming Control Type: Digital
• Kit Contents: Board CD Docs
• Development Tool Type: Hardware / Software - Eval/Demo Board
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ATAVRFBKIT / EVLB001 User Guide
Section 1
Introduction ........................................................................................... 1-1
Section 2
Ballast Demonstrator Device Features ................................................. 2-4
Section 3
Microcontroller Port Pin Assignments ................................................... 3-6
Section 4
Ballast Demonstrator Operation ........................................................... 4-7
Section 5
Device Design & Application............................................................... 5-13
Section 6
ATPWMX Demonstrator Software ...................................................... 6-16
Section 7
Conclusion .......................................................................................... 7-25
1.1
1.2
2.1
2.2
4.1
4.2
4.3
4.4
4.5
5.1
5.2
5.3
5.4
5.5
5.6
6.1
6.2
6.3
7.1
7.2
7.3
7.4
7.5
General Description ..................................................................................1-3
Ballast Demonstrator Features .................................................................1-3
Atmel Supported Products ........................................................................2-4
IXYS
General Requirements ..............................................................................4-7
Startup features ........................................................................................4-7
Circuit Topology ........................................................................................4-8
Startup and PFC Description ....................................................................4-8
Lamp Operation Description ...................................................................4-10
Magnetics................................................................................................5-13
IXYS IXTP02N50D depletion mode Mosfet Used As Current Source ....5-13
IXYS IXD611 Half- bridge MOSFET driver .............................................5-13
IXYS IXI859 Charge Pump Regulator.....................................................5-14
IXYS IXTP3N50P PolarHVTM N-Channel Power MOSFET ...................5-15
Clare LDA111S Optocoupler...................................................................5-15
Main_pwmx_fluo_demo.c .......................................................................6-18
Pfc_ctrl.c .................................................................................................6-19
Lamp_ctrl.c .............................................................................................6-22
Appendix 1: SWITCH DIM ......................................................................7-25
Appendix 2: Capacitor Coupled Low Voltage Supply..............................7-26
Appendix 3: PFC Basics .........................................................................7-27
Appendix 4: Bill Of Material.....................................................................7-28
Appendix 5: Schematics..........................................................................7-31
®
Supported Products .......................................................................2-4
7597B–AVR–10/07
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