MC34064D-005G

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Designing a power management system for any electronic device has become a complex process. While it requires a detailed understanding of the underlying hardware components, it also requires a knowledge of various power management values such as current, voltage, and temperature. Furthermore, engineers must consider multiple power sources, inductor sizes, and other external components that can affect the overall system power performance. The MC34064D-005G is a monolithic power management IC (PMIC) specifically designed to reduce the complexity in power solution design while providing superior performance, dependability, and reliability. This device is categorized as a Supervisors device. It is an advanced device that manages and controls power in a wide range of applications, spanning industrial, automotive, medical, and telecom/connectivity applications.

The MC34064D-005G can be utilized for over-voltage protection, supply sequencing, reset generation, current limiting, and more. It is designed to rapidly detect and respond to fault conditions, enabling engineers to quickly tailor a system’s protection scheme to suit the specific needs of their application. The device integrates key features including a comprehensive set of protection functions, an advanced system control, and support for multiple interface technologies. With its integrated components, the MC34064D-005G helps simplify designs by reducing the number of components required compared to traditional power solution implementations.

The MC34064D-005G is based on its precursors in the Linear Technology portfolio, the U:LF220 Series ICs, with enhancements ranging from improved power output to increased over-voltage protection levels. In addition, the device offers an integrated digital-to-analog converter (DAC) that simplifies design efforts. Producing nearly 10 watts of continuous output power, the device provides a high thermal efficiency and is suitable for systems requiring tight current control and transient response. Moreover, the device can be used in a wide variety of applications, ranging from telecom/connectivity equipment to medical/Industrial to automotive implementations.

The MC34064D-005G features a broad input voltage range from 5.25V to 23V along with an extremely low quiescent current. In addition, it supports adjustable over-voltage protection up to 28V, which makes the device suitable for use in a various supply configurations. The device also features an integrated inrush current limiter for higher current applications such as automotive powertrains and HVAC systems. Moreover, the device has an adjustable current-limit level from 0.3A to 10A, enabling users to customize their system’s response to faults. The MC34064D-005G also provides a variety of digital protection features such as overvoltage lockout and programmable soft-start.

The MC34064D-005G provides a comprehensive set of protection functions to protect system devices, including a digital over-voltage protection (DOP) function, three-level digital overcurrent protection (DOCP) function, programmable reset function, short-circuit protection (SCP) function, and overtemperature protection (OTP) function. In addition, the device includes a pre-charge timing feature to reduce inrush current and Open/Short-circuit detector with adjustable margin. This allows the IC to detect when an output device has been disconnected or shorted without having to apply a voltage or a current.

The MC34064D-005G makes use of an advanced system control to manage various power related tasks. The device features a programmable switching frequency from 300 kHz to 2 MHz. This enables users to tailor their power system design to scale and optimize performance for specific applications. Furthermore, the device integrates an on-board tuneable oscillator for even better control. This improved control allows for higher efficiency and more accurate voltage regulation, resulting in longer life and better system operations.

The MC34064D-005G also supports multiple interface technologies, allowing for custom implementations. USB, RS-232, I2C and SMBus interfaces are all supported and offer a stable and reliable digital interface. With the device’s advanced control and integrated protection functions, engineers can integrate their designs with ease, reducing time-to-market and cost. The device also integrates a robust debugging and monitoring interface, allowing users to collect real-time data and quickly understand their system’s performance.

The MC34064D-005G is an advanced PMIC that reduces design complexity and cost for today’s advanced power systems. With its comprehensive protection functions, advanced system control, and support for a variety of interface technologies, the device can be used in a range of power system implementations, from telecom/connectivity, to medical/Industrial, to automotive applications. Its impressive efficiency, reduced component count and optimized performance make the MC34064D-005G an ideal choice for today’s demanding power requirements.

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