ICB2FL01GXT Infineon Technologies, ICB2FL01GXT Datasheet - Page 4

• Manufacturer Part Number: ICB2FL01GXT
• Manufacturer: Infineon Technologies

Specifications of ICB2FL01GXT

• Driver Type: Fluorescent Lamp
• Number Of Segments: 1
• Operating Temperature (min): -25C
• Operating Temperature (max): 125C
• Operating Temperature Classification: Commercial
• Package Type: DSO
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

Table of Contents
1
2
3
4
Datasheet
1.1
1.2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
3.1
3.2
3.3
Pin Configuration and Description............................................................................................... 6
Functional Description ................................................................................................................ 11
2.2.1 Operating Levels from UVLO to Soft Start............................................................................ 13
2.2.2 Operating Levels from Soft Start to Run Mode ..................................................................... 15
2.3.1 Start Up with broken Low Side Filament............................................................................... 17
2.3.2 Low Side Filament Detection during Run Mode.................................................................... 18
2.3.3 Start Up with broken High Side Filament .............................................................................. 19
2.4.1 Discontinuous Conduction and Critical Conduction Mode Operation ................................... 20
2.4.2 PFC Bus Voltage Sensing..................................................................................................... 21
2.4.3 PFC Structure of Mixed Signal.............................................................................................. 22
2.4.4 THD Correction via ZCD Signal ............................................................................................ 23
2.4.5 Optional THD Correction dedicated for DCM Operation....................................................... 24
2.5.1 Detection of End of Life 1 (EOL1) – Lamp Overvoltage........................................................ 25
2.5.2 Detection of End-of-Life (EOL2) – Rectifier Effect ................................................................ 26
2.6.1 Capacitive Load 1 (Idling Detection – Current Mode Preheating) ........................................ 28
2.6.2 Capacitive Load 2 (Over Current / Operation below Resonance) ........................................ 28
2.6.3 Adjustable self adapting Dead Time ..................................................................................... 29
2.7.1 Short Term PFC Bus Under Voltage..................................................................................... 31
2.7.2 Long Term PFC Bus Under Voltage ..................................................................................... 32
2.8.1 Pre Heating Test Mode ......................................................................................................... 33
2.8.2 Deactivation of the Filament Detection ................................................................................. 35
2.8.3 Built in Customer Test Mode (Clock Acceleration) ............................................................... 36
State Diagram ............................................................................................................................... 37
Protection Functions Matrix........................................................................................................ 40
2.4.2.1
2.4.2.2
2.8.1.1
2.8.1.2
2.8.3.1
2.8.3.2
Pin Configuration....................................................................................................................... 6
Pin Description .......................................................................................................................... 6
Typical Application Circutry..................................................................................................... 11
Normal Start Up ...................................................................................................................... 12
Filament Detection during Start Up and Run Mode ................................................................ 17
PFC Pre Converter.................................................................................................................. 20
Detection of End-of-Life and Rectifier Effect........................................................................... 25
Detection of Capacitive Load .................................................................................................. 27
Emergency Lighting ................................................................................................................ 30
Built in Customer Test Mode Operation.................................................................................. 33
Features during different operating modes ............................................................................. 37
Operating Flow of the Start UP Procedure into the Run Mode............................................... 38
Auto Restart and Latched Fault Condition Mode.................................................................... 39
Bus Over Voltage and PFC Open Loop ................................................................... 21
Bus Voltage 95% and 75% Sensing......................................................................... 21
Skip the Pre Heating Phase – Set RTPH Pin to GND.............................................. 33
IC remains in Pre Heating Phase ............................................................................. 34
Enabling of the Clock Acceleration........................................................................... 36
Starting the Chip with accelerated Clock.................................................................. 36
2
nd
Generation FL-Controller for FL-Ballasts
Page 4 from 56
ICB2FL01G
V1.2