Drivers, Receivers, Transceivers Power Distribution Switches, Load Drivers Voltage Reference Led Drivers Interface - Telecom Voltage Regulators - Dc Dc Switching Controllers Analog To Digital Converters (adc) Analog Front End (afe) Controllers Application Specific - Clock/timing Microcontrollers Instrumentation, Op Amps, Buffer Amps Digital To Analog Converters (dac) Interface - Specialized Supervisors Clock Generators, Plls, Frequency Synthesizers V/f And F/v Converters Interface - Uarts (universal Asynchronous Receiver Transmitter) Voltage Regulators - Special Purpose Amplifiers - Audio Specialized Ics I/o Expanders Analog Multipliers, Dividers Rms To Dc Converters Voltage Regulators - Linear Voltage Regulators - Linear + Switching Microprocessors Pmic - Current Regulation/management