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Infineon introduces a new single-stage flyback controller for battery charging applications, enabling hassle-free and scalable designs
Battery-powered appliances, one of the industry’s fastest-growing segments, require energy-efficient, robust, and cost-effective battery charging. For this reason Infineon Technologies AG extends its offering of AC-DC controller ICs by introducing the ICC80QSG single-stage PWM controller for flyback topologies.

The IC is tailored for battery charger applications offering scalable power designs of up to 130 W – when optimized using CoolMOS™ P7 Superjunction (SJ) MOSFETs. It is also suitable for adapter, printer, PC, TV, monitor, set-top box, and audio amplifier applications.

The ICC80QSG battery charging IC offers a quasi-resonant mode, switching in valley n (QRMn). Its QRM operation comes with continuous conduction mode (CCM) prevention and valley switching discontinuous conduction mode (DCM) in mid to light load. By pairing ICC80QSG with CoolMOS™ P7 MOSFET devices, high efficiency and low electromagnetic interference (EMI) can be achieved to enable savings on the overall BOM: fewer heatsinks and coils may be needed in flyback designs. In addition, the integrated burst mode function for very light loads allows designs with very low power consumption during standby mode. Additionally, the ICC80QSG features a reduced gate driver output voltage during burst mode, making it ideally suited for very low standby requirements under light load or no load conditions with a remarkable standby performance over the whole operating range.

The ICC80QSG implements a secondary-side regulation (SSR) method, which is ideal for current control during battery charging. For higher design flexibility, it accommodates adjustable on-time mapping at the valley changing position for the desired maximum operating switching frequency, as well as adjustable maximum on-time that limits input power and current, allowing safe operation under low line conditions. The IC features an externally configurable hysteresis of brown-in and brown-out to protect the primary MOSFET by ensuring it does not get overheated even with fewer heatsinks during input undervoltage with tight brown-in/brown-out hysteresis. Together with a comprehensive set of protection features, the IC helps realize easy, safe and robust AC-DC battery charger designs for many applications.

Availability

ICC80QSG battery charging ICs are now available in a PG-DSO-8 package. More information is available at www.infineon.com/icc80qsg.

More information about Infineon’s contribution to energy efficiency: www.infineon.com/green-energy

2022100801 / 08.10.2022 / Компоненты / Infineon Technologies AG /

Infineon introduces a new single-stage flyback controller for battery charging applications, enabling hassle-free and scalable designs
Battery-powered appliances, one of the industry’s fastest-growing segments, require energy-efficient, robust, and cost-effective battery charging. For this reason Infineon Technologies AG extends its offering of AC-DC controller ICs by introducing the ICC80QSG single-stage PWM controller for flyback topologies.

Infineon and Oxford Ionics join forces to develop leading Trapped Ion Quantum Processors
Infineon Technologies AG and Oxford Ionics announce a collaboration to build high-performance and fully integrated quantum processing units (QPUs).

Infineon adds 40 V device in PQFN to its OptiMOS™ Source-Down power MOSFET family
Contemporary power system designs demand high power density levels and small form factors to maximize system-level performance. Infineon Technologies AG tackles this challenge by focusing on system innovation with enhancements on the component level. Adding to the 25 V device introduced in February, Infineon now brings the OptiMOS™ 40 V low-voltage power MOSFET to the market.

QPL-qualified SupIR-SMD package for rad hard MOSFETs enables higher performing space power systems
Reliably attaching surface mount hermetic power packages to PCBs is a common challenge faced by space system designers.

CoolSiC™ MOSFET 1700 V SMD enables best efficiency and reduced complexity for high voltage auxiliary power supplies
Infineon Technologies AG complements its CoolSiC™ MOSFET offering with yet another voltage class. Having added 650 V to the portfolio earlier this year, the company is now launching the 1700 V class with its proprietary trench semiconductor technology.

Secured connectivity and blockchain technology for data-driven supply chains
Industrial supply chain solutions like digital twins, usage-based pricing models, product warranties or licensing solutions increasingly require reliable and auditable sensor and process data. Yet security is paramount, especially when data is transferred from one company or organization to another.

Safety in cars: Infineon’s AURIX™ is the first embedded safety controller worldwide to be ASIL-D certified according to ISO 26262:2018

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electronica 2024, 12.11.-15.11.2024, Munich, DE
DistribuTECH, 11.2.-13.2.2025, Dallas, TX

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