Kinetic Technologies launches 5A eFuse for power protection

Key Takeaways

• The KTS1630 is a 5A eFuse designed for power protection in consumer and industrial systems
• It operates from 5V and 12V power rails with a wide 4.5V to 18V input range
• The device features a 31mΩ typical integrated power MOSFET for efficient high-current operation
• It provides adjustable current limit, programmable output slew rate, and fast overcurrent response
• The KTS1630 supports external reverse-current blocking and offers two fault-response versions

Introduction to the KTS1630 eFuse

Kinetic Technologies has launched the KTS1630, a highly integrated 5A eFuse designed to enhance the safety, reliability, and power efficiency of consumer and industrial systems. As modern electronic systems become increasingly compact and power-dense, the need for robust protection against excessive current, short circuits, and thermal events grows.

Features and Benefits of the KTS1630

The KTS1630 device helps protect sensitive downstream components by minimizing voltage loss and external component count. Its key features include:

Adjustable Current Limit

The KTS1630 allows designers to optimize protection for specific system loads with an adjustable 1A to 5A current limit. This feature enables customization of protection thresholds to meet the unique requirements of each system.

Programmable Output Slew Rate

A programmable output slew rate controls inrush current during startup, preventing input supply droop, connector stress, and unintended system resets when large capacitive loads are connected.

Fast Overcurrent Response

The device provides a fast 100ns typical overcurrent response, helping isolate faults before they can damage downstream circuitry. Integrated overtemperature protection provides an additional level of system protection during abnormal operating conditions.

Comparison of Fault-Response Versions

The KTS1630 is available in two fault-response versions:

Technical Specifications

• Operating range: 4.5V to 18V
• Current limit: Adjustable 1A to 5A
• Integrated power MOSFET: 31mΩ typical
• Overcurrent response: 100ns typical
• Input voltage: 5V and 12V systems supported

Bottom Line

The KTS1630 5A eFuse from Kinetic Technologies offers a highly integrated solution for power protection in consumer and industrial systems. With its adjustable current limit, programmable output slew rate, and fast overcurrent response, the KTS1630 provides a robust and customizable protection solution for sensitive electronics. Its support for external reverse-current blocking and two fault-response versions make it an attractive option for systems with multiple power sources or sensitive shared power rails.