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Integrated Circuits

Integrated circuits (ICs) control, coordinate, and protect power supply circuits, diodes, phototransistors, shunt resistors, IGBTs, MOSFETs, and other power semiconductors. Types of ICs produced by Littelfuse include gate drivers, digital bus drivers, optocouplers, error amplifiers, high-voltage analog switches, voltage monitors, and digitally programmable capacitors. We also make ICs specifically engineered for use in telecommunications systems. Design options range from wafer fabrication and isolation barriers to multichip packaging and incorporation of overcurrent, overvoltage, overtemperature, and ESD protection.

Subcategories under Integrated Circuits

Digital Bus Driver ICs

Innovative digital bus driver integrated circuits (ICs) produced by Littelfuse simplify the design and improve the performance of personal computers.

Digitally Programmable Capacitors

Digitally programmable capacitors allow users to customize the release of stored charges to meet specific requirements for given electrical

Error Amplifiers

In electrical systems, error amplifiers feed current back into a control circuit to keep the output voltage as close to the circuit’s design

High-Voltage Analog Switch ICs

High voltage analog switch integrated circuits (ICs) serve as solid state relays and current-limiting devices. They also provide overvoltage

LED Driver ICs

LED driver ICs control the brightness of LED bulbs and the stability of images on LED displays. Littelfuse makes two types of these specialized

Optocouplers

Optocouplers use LEDs and phototransistors to close circuits. This ensures optical isolation of integrated circuit components, making optocouplers

Telecom ICs

Tip-and-ring phone lines, VOIP, and PBX systems require efficient line monitoring and switching solutions. Littelfuse delivers. Our telecom ICs

Voltage-Monitoring ICs

Voltage monitoring ICs enable many features of VOIP and IP PBX tip-and-ring telephone systems, including line-in-use detection, caller ID, and