DS1708TESA

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PMIC – Supervisors

A Power Management Integrated Circuit, or PMIC, is an integrated circuit which includes power supply components, power controllers and other power related components and makes them available in a user application. There are several types of PMICs, and Supervisors are one of them. Supervisors are specially designed PMICs offering the ability to monitor and control the power-up and power-down sequence of an application, including power supply voltages and reset signals.

DS1708TESA is such a type of supervisor made by Texas Instruments. It is designed to power SoCs with advanced, multiple-power-source applications needing dynamic supply voltage and digital or analog reset control. DS1708TESA monitors between one and four power-supply rails, providing adjustable thresholds on each. It also supports board reset and power-on reset functions, programmable delay times and power-supply triggering. It is an ideal solution for multiple-rail, complex SoC applications.

Application Field

DS1708TESA is widely used in various fields. Its wide application field includes:

• Industrial Robotics
• Automotive systems
• Consumer and mobile devices
• Medical applications
• Drones
• High performance and gaming computers

DS1708TESA can be used in a variety of applications, ranging from low-power and low-cost to high-performance designs. It is well suited for SoCs and gadgets that have multiple power supply sources and require either a digital- or an analog-controlled reset.

Working Principle

Working on Supervisors, DS1708TESA is fundamentally a configurable system controller that monitors supply voltages and drives control signals. It is a comprehensive system-level power-supply and reset supervisor for use in microprocessor- and microcontroller-based systems.

Rather than controlling a power supply directly, DS1708TESA is interfaced to the system’s power supply(s). It continuously monitors these supplies and, according to the thresholds that have been programmed into the pins, DS1708TESA will trigger control signals in response to a power supply performance or failure. DS1708TESA provides the flexibility to allow the user to select the most suitable power supply to the application. Furthermore, the DS1708TESA supports both manual and monitored power-on reset power strategies.

The DS1708TESA provides two temperature monitor input pins, VID1 and VID2, to measure power supply temperature. The temperature monitor input pins are configured to measure either a junction temperature or a board temperature, individually.

DS1708TESA also integrates several integrated circuits and resistor network options, making it ideal for applications that require minimal external components. With configurable digital and analog control pins, the user can easily configure the system for various applications.

In addition, DS1708TESA supports real-time power management, enabling users to monitor the power supply and reset without the use of a microprocessor. This feature makes it ideal for cost-sensitive applications that require a robust system-level power management solution.

Conclusion

DS1708TESA is a comprehensive system-level power-supply and reset supervisor that enables users to control and reset power supplies in multiple power-supply applications. It supports both manual and monitored power-on reset power strategies, allowing users to selectively choose the most suitable power supply to the application. In addition, DS1708TESA integrates several integrated circuits and resistor network options, making it ideal for applications that require minimal external components.

With its wide range of features and capabilities, DS1708TESA is an ideal solution for multiple-rail, complex SoC applications.

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