Infineon Technologies Ag · XETR:IFX
Infineon Technologies — Technical Presentation (February 2025)
21 slides from Infineon Technologies's technical presentation, February 2025
Slide 1: E-series Hybrid Flyback Controller Family XDPS2201E and XDPS2221E
E-series Hybrid Flyback Controller Family XDPS2201E and XDPS2221E February 2025 1
Slide 2: Target applications
E-series Hybrid Flyback Controller Family Target applications Chargers USB-C E-bike Power tool AC-DC power supplies 2025-01-31 Copyright © Infineon Technologies AG 2025. All rights reserved. Infineon Proprietary 2
Slide 3: Hybrid flyback (HFB) topology: key advantages vs. other DC-DC topologies
Hybrid flyback (HFB) topology Key advantages vs. other DC-DC topologies Conventional flyback with snubber Active clamp flyback (ACF) Flyback recycling the leakage energy for ZVS Passive Clamp Active Clamp but all energy transfer stored in transformer Llk Cclamp Llk Cclamp Vout (same transformer size
Slide 4: Infineon's Hybrid flyback (HFB) topology: a real boost for high power density designs
Infineon’s Hybrid flyback (HFB) topology A real boost for high power density designs Value proposition Target Performance highlights compared to LLC resonant Appl. VOUT min-max range Transformer size Power losses @170W 1. Excellent efficiency › Superior efficiency over whole output voltage and SMPS
Slide 5: Product Features
E-series Hybrid Flyback Controller Family Product Features 5
Slide 6: XDPS2201E: Hybrid Flyback controller
E-series Hybrid Flyback Controller Family XDP™ XDPS2201E: Hybrid Flyback controller Circuit Diagram Key features HFB-control › 600 V high voltage start-up cell for fast VCC charging CoolGaNTM VCC Transistor › Burst mode operation control for lowest stand-by power HV HSVCC DH Dual EMI PFCVS HSGD GH ›
Slide 7: XDPS2221E: PFC + Hybrid Flyback Combo controller
E-series Hybrid Flyback Controller Family XDP™ XDPS2221E: PFC + Hybrid Flyback Combo controller Circuit Diagram Key features Boost-PFC Hybrid flyback (HFB) Combo-control › 600 V high voltage start-up cell for fast VCC charging CoolGaNTM VCC Transistor EMI D HV HSVCC DH Dual › Burst mode operation co
Slide 8: Hybrid Flyback control
E-series Hybrid Flyback Controller Family Hybrid Flyback control Hybrid flyback control Hybrid flyback control features +Vbus › Peak current mode control for robust and fast output regulation HSGD HSVCC › Propagation delay compensation HSGND Vout › Switching frequency jitter for EMI noise reduction
Slide 9: Hybrid Flyback operation modes waveforms
E-series Hybrid Flyback Controller Family Hybrid Flyback operation modes waveforms CRM - Mode ZV-RVS - Mode with waitgap & ZVS-pulse insertion tHBperiod tHBperiod VHSG D VHSG D tdeadLS tdeadHS VLSGD t VLSGD t twaitgap tZVS VHB t VHB t tmag tdemag tmag tdemag t t IPRIM IMAGpos IPRIM IMAGpos IMAG IMAG
Slide 10: Hybrid Flyback control: combo control
E-series Hybrid Flyback Controller Family Hybrid Flyback control Combo control Combo control features Hybrid flyback PFC › PFC enable/disable control depending on load, AC input Vbus Vout VAC and output voltage for improved efficiency and low ~ load standby power consumption Vbus › Optimized PFC and
Slide 11: XDPS2221E harmonized combo control: average efficiency
E-series Hybrid Flyback Controller Family – XDPS2221E Harmonized combo control Example of the advantage of adaptive bus voltage target level over fixed bus voltage target level in an USB-PD application VAC = 115 V / 60 Hz VAC = 230 V / 50 Hz 94% 94% VBUS = fixed VBUS = fixed 92% 92% VBUS = adaptive
Slide 12: Ease of Use enablement
E-series Hybrid Flyback Controller Family Ease of Use enablement 12
Slide 13: Ease of Use Enablement
E-series Hybrid Flyback Controller Family Ease of Use Enablement 1) Low number of 2) Design Tool 3) System Design Guide configurable parameters Hybrid Flyback controller comes with default parameter set: ‒ XDPS2221E: used for the 120 W evaluation board ‒ XDPS2201E: used for the 170 W reference board
Slide 14: Design Tool Overview
E-series Hybrid Flyback Controller Family Design Tool Overview Primary and secondary side VCC supply waveforms voltage Parameters Input 2025-01-31 Copyright © Infineon Technologies AG 2025. All rights reserved. Infineon Proprietary 14
Slide 15: Reference Solutions
E-series Hybrid Flyback Controller Family Reference Solutions 15
Slide 16: 120 W 3-port USB-PD XDPS2221E evaluation board
E-series Hybrid Flyback Controller Family 120 W 3-port USB-PD XDPS2221E evaluation board 120 W USB-PD Technical details Parameter Value Infineon components Input voltage 90 – 264 VAC,rms Primary PWM XDPS2221E controller (PFC + HFB) Input Harmonics: EN 61000-3-2 Specification Standby: 52 mW with 1C A
Slide 17: 120 W 3-port USB-PD XDPS2221E evaluation board: measurement results
120 W 3-port USB-PD XDPS2221E evaluation board Measurement results › Evaluation board w. 3-port daughter board Efficiency vs. Load Vac,rms = 115 V Parameter Value Vac,rms = 230 V AC input 90 … 264 VAC,rms, 50/60 Hz DC output voltage/current 5 … 20 V / 5.0 A (per port) Nominal power 120 W (100Wmax pe
Slide 18: 120 W 3-port USB-PD XDPS2221E evaluation board: measurement results
120 W 3-port USB-PD XDPS2221E evaluation board Measurement results Average efficiency incl. DOE Level VII limits Tiny load efficiency (incl. typical limits) Vac,rms = 115 V Vout = 20 V (at different load conditions) Vac,rms = 230 V › No load power consumption Vac,rms = 115 V Vac,rms = 230 V with 3-p
Slide 19: 170 W Hybrid Flyback with XDPS2201E reference board
E-series Hybrid Flyback Controller Family 170 W Hybrid Flyback with XDPS2201E reference board 170 W Battery Charger Technical details Parameter Value Infineon components 100 – 130 VAC,rms Primary PWM Input voltage XDPS2201E 198 – 264 VAC,rms controller 2x CoolMOSTM Output voltage / PWM switch 18 - 4
Slide 20: 170 W Hybrid Flyback with XDPS2201E reference board: measurement results
170 W Hybrid Flyback with XDPS2201E reference board Measurement results Efficiency vs. load and average efficiency Efficiency during battery charging cycle Charging behavior of a 40 V li-ion battery pack V AC Output Average Iout (A) Iout (%) Efficiency 95.5 (VRMS) load (V) efficiency 1.00 25 92.1 95
Slide 21: Cinfineon
Cinfineon
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