Datasheet XDPL8218 (Infineon) - 6

XDPL8218 Digital Flyback Controller IC XDP™ Digital Power Functional block diagram 2 Functional block diagram
The functional block diagram shows the basic data flow from input pins via signal processing to the output pins.
Flyback (with PFC)
Input Voltage Estimation VCC Charging Line HV ZCD synchronization VCC Output Voltage Output Current VCC CS Management Estimation Estimation UART PFC and THD UART GD Parametrization correction Feedback Temperature Multimode Sensing & FB Protection Controller Filter
Figure 3 XDPL8218 functional block diagram
Datasheet 6 Revision 1.0 2018-06-06 Document Outline Features Product validation Potential applications Description Table of contents 1 Pin configuration 2 Functional block diagram 3 Functional description 3.1 Regulated mode 3.2 Configurable gate voltage rising slope at GD pin 3.3 Startup 3.4 Line synchronization 3.5 Input voltage and output voltage estimation 3.5.1 Output voltage estimation 3.5.2 Input voltage estimation 3.6 Power factor correction 3.7 Protection features 3.7.1 Primary MOSFET overcurrent protection 3.7.2 Output undervoltage protection 3.7.3 Output overvoltage protection 3.7.4 Transformer demagnetization time shortage protection 3.7.5 Minimum input voltage startup check and input undervoltage protection 3.7.6 Maximum input voltage startup check and input overvoltage protection 3.7.7 VCC undervoltage lockout 3.7.8 VCC undervoltage protection 3.7.9 VCC overvoltage protection 3.7.10 IC overtemperature protection 3.7.11 Other protections 3.7.12 Protection reactions 3.8 Debug mode 4 List of Parameters 5 Electrical Characteristics and Parameters 5.1 Package Characteristics 5.2 Absolute Maximum Ratings 5.3 Operating Conditions 5.4 DC Electrical Characteristics 6 Package Dimensions 7 References Revision History Glossary ABM CCM CRC CV DCM ECG EMI GUI IC LED OCP1 PC PF PFC QRM1 SSR THD UART USB UVLO Disclaimer