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Kinetic Technologies Announces New IEEE® 802.3bt-Compliant Powered Device and DC-DC Flyback Controller Solution for PoE Power Supplies


Power management and video/audio interface IC leader Kinetic Technologies announced today the KTA1140 IEEE 802.3bt-compliant Powered Device Interface IC and the KTB1095 synchronous flyback control IC with integrated digital isolated feedback as the latest additions to their PoE and DC-DC Converter product lines.

Fully compliant with IEEE 802.3bt, 802.3at and 802.3af standards, the KTA1140 integrates input surge protection, a PD controller with 100V, low resistance 0.1Ω hot-swap MOSFET, which fully supports input power levels up to 90W. The PD controller also includes eight-event classification, ATDET, PD Detect, over temperature protection and under voltage lockout (UVLO). The KTA1140 is also designed to provide seamless support for local supplies down to 9.5V.

The KTB1095 is a highly integrated synchronous flyback converter with internal feedback utilizing a 3000VRMS digital isolator, designed to eliminate the need for an external opto-coupler, reducing cost and size. Operating over a wide operating voltage range from 5V to 100V, the KTB1095 includes both primary and secondary side, high current MOSFET drivers and employs current-mode constant on-time control for fast transient response. Featuring an adjustable soft-start function to limit start-up in-rush current, the KTB1095 also includes input voltage UVLO, output over-voltage-protection (OVP), cycle-by-cycle current limit, short-circuit protection and thermal shutdown.

“Our goal at Kinetic is to make it as easy as possible for our customers to design their power supplies,” said Erik Ogren, Kinetic Technologies’ Senior Director of Marketing. “The KTA1140 supports Class 8, 90W designs with its ultra-low resistance hot-swap MOSFET and simplifies system designs with local voltage support. KTB1095 takes advantage of Kinetic’s Tru-Iso™ technology to deliver integrated 3000V-rms on-chip digital isolator feedback, reducing BOM count and PCB area.”

KTA1140 and KTB1095 are sampling now, with production expected to begin in the first quarter of 2023.

Visit Kinetic Technologies for further information.

Key Product Highlights:

KTA1140 – PoE 802.3bt PD Interface

  • Fully supports IEEE® 802.3bt
    • Input Power Levels Up to 90W
    • Class 0-8 for PoE PD
  • Compatible with IEEE® 802.3af/at
  • IEC 61000-4-2/3/4/5/6 requirements for EMC
  • Seamless support for local power down to 9.5V
  • Programmable DC current limit
  • Low resistance (typ. 0.1Ω) Hot Swap MOSFET
  • 5x5 mm, 20 lead QFN Package

KTB1095 – 100V Synchronous Flyback Controller with Digital Isolation

  • Wide 5V to 100V Operating Voltage Range
  • Integrated Digital Isolator Feedback
    • 3000V-rms Integrated Isolation
  • ±1% Voltage Reference
  • Integrated primary and secondary side MOSFET Drivers
    • 3A Sink / 2A Source driving capability
  • Adjustable Switching Frequency from 100kHz to 700kHz
  • Integrated Protection: Cycle-by-cycle current limit, Input UVLO, OCP, SCP, TSP
  • SOIC-16 Wide Body (10.3mm x 7.5mm) Package

About Kinetic Technologies

Kinetic Technologies is a global designer, developer, and provider of proprietary and innovative high-performance analog and mixed-signal semiconductor products for a wide variety of markets. Kinetic’s products help its customers efficiently regulate power, intelligently protect their devices from harmful voltage and current spikes, and deliver high-bandwidth, low-latency, and secured connectivity for video, display, and general-purpose applications.

For more information, please visit

*Kinetic Technologies’ logo is a trademark of Kinetic Technologies. All other brand and product names appearing in this document are the property of their respective holders.

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Phone: +1 -408-746-9000

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