IDP2303XUMA1 Infineon

Product Highlights Integrated 600V startup cell Integrated floating driver based on coreless transformer technology Digital multi-mode operation for higher efficiency curve Supports low stand-by power by means of direct X-cap discharge function and advanced burst mode control Eliminates the auxiliary power supply by means of integrated startup cell and burst mode UART interface for communication and in-circuit configuration Flexible design-in by means of one time programming capability for a wide range of parameters Description The IDP2303 is a multi-mode PFC and LLC controller combined with a floating high side driver and a startup cell. A digital engine provides advanced algorithms for multi-mode operation to support highest efficiency over the whole load range. A comprehensive and configurable protection feature set is implemented. Only a minimum of external components are required with the low pin count DSO-16 package. The integrated HV startup cell and advanced burst mode enable to achieve low stand-by power. In addition a one-time-programming (OTP) unit is integrated to provide a wide set of configurable parameters that help to ease the design in phase. Features Multi-mode PFC Configurable soft-start Configurable PFC gate driver V input voltage sensing and X cap discharge via HV AC Synchronous PFC and LLC burst mode control pin Configurable non-linear LLC VCO curve Applications LCD-TV 75W ~ 300W Generarl SMPS Figure 1 Typical Application Product Type Package IDP2303 PG-DSO-16IDP2303 Digital Multi-Mode PFC + LLC Combo Controller Description ....................................................................................................................................................................................1 1 Pin Configuration and Description....................................................................................................................4 2 Representative Blockdiagram.............................................................................................................................6 3 Functional Description .........................................................................................................................................7 3.1 Introduction.................................................................................................................................................................... 7 3.2 Overview Controller Features ................................................................................................................................. 7 3.3 Overview Controller Features ................................................................................................................................. 7 3.3.1 System and Device overview............................................................................................................................ 7 3.3.1.1 Processor and memory operations.......................................................................................................... 8 3.3.1.2 Communication interface ............................................................................................................................ 9 3.3.1.3 Voltage and current sensors.................................................................................................................... 10 3.3.2 IC Power Supply and High Voltage Startup Cell .................................................................................... 10 3.3.2.1 Direct AC input monitoring combined with VCC startup function .......................................... 11 3.3.2.2 X-cap discharge function via the integrated HV startup-cell ..................................................... 12 3.3.3 Standby Mode with synchronous PFC-LLC burst operation ............................................................ 13 3.3.4 IC protection......................................................................................................................................................... 13 3.3.4.1 Undervoltage lockout for VCC................................................................................................................. 13 3.3.4.2 Overvoltage protection for VCC ............................................................................................................. 14 3.3.4.3 Over temperature protection.................................................................................................................. 14 3.3.4.4 Auto Restart Mode....................................................................................................................................... 14 3.3.5 AC detection.......................................................................................................................................................... 14 3.4 PFC Controller............................................................................................................................................................. 14 3.4.1 PFC Softstart......................................................................................................................................................... 15 3.4.2 PFC Multi-mode operation ............................................................................................................................. 15 3.4.3 PFC Protection..................................................................................................................................................... 17 3.4.3.1 PFC Open Control Loop Protection (PFCOCLP)............................................................................... 17 3.4.3.2 PFC Inductor Over Current Protection (PFCOCP).......................................................................... 17 3.4.3.3 PFC Output Over Voltage Protection (PFCOVP).............................................................................. 17 3.4.3.4 PFC Output Redundant Over Voltage Protection (PFCROVP)................................................... 17 3.4.3.5 PFC Output Under Voltage Protection (PFCUVP)........................................................................... 18 3.4.3.6 PFC Brownin Protection for AC Input Line (PFCBIP) ................................................................... 18 3.4.3.7 PFC Brownout Protection for AC Input Line (PFCBOP)............................................................... 18 3.4.3.8 PFC Long Time Continuous Conduction Mode Protection (PFCCCMP)................................. 18 3.5 Half-bridge LLC Controller..................................................................................................................................... 19 3.5.1 LLC Softstart (Time Controlled Oscillator TCO).................................................................................... 19 3.5.2 LLC Normal Operation (Voltage Controlled Oscillator VCO) ........................................................... 19 3.5.3 LLC Smooth Transition of Frequency Control from TCO to VCO.................................................... 21 3.5.4 LLC Half-bridge Protection............................................................................................................................. 21 3.5.4.1 LLC Open Control Loop Protection (LLCOCLP)............................................................................... 21 3.5.4.2 LLC Over Load Protection (LLCOLP) ................................................................................................... 21 3.5.4.3 LLC Over Current Protection Level 1 (LLCOCP1)........................................................................... 21 3.5.4.4 LLC Over Current Protection Level 2 (LLCOCP2)........................................................................... 22 3.6 Operation Flow ........................................................................................................................................................... 22 3.6.1 IC Initialization.................................................................................................................................................... 22 3.6.2 Operation Flow of the PFC Controller........................................................................................................ 23 3.6.3 Operation Flow of the Halfbridge LLC Controller................................................................................. 24 3.7 Overview Protection Features.............................................................................................................................. 25 3.7.1 Undervoltage Lockout for VCC...................................................................................................................... 25 3.7.2 Overvoltage Protection for VCC.................................................................................................................... 26 3.7.3 Overtemperature Protection by means of internal Temperature Detection............................. 26 3.8 Fixed and Configurable Parameters................................................................................................................... 27 Datasheet 2 Rev. V2.0, 2017-03-21