Allicdata Part #: | DS1817-20/T&R-ND |
Manufacturer Part#: |
DS1817-20/T&R |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Maxim Integrated |
Short Description: | IC 2.55V ACT HI 20%TO92-3 |
More Detail: | Supervisor Push-Pull, Totem Pole 1 Channel TO-92-3 |
DataSheet: | DS1817-20/T&R Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | EconoReset |
Packaging: | Tape & Reel (TR) |
Part Status: | Obsolete |
Type: | Simple Reset/Power-On Reset |
Number of Voltages Monitored: | 1 |
Output: | Push-Pull, Totem Pole |
Reset: | Active High |
Reset Timeout: | 100 ms Minimum |
Voltage - Threshold: | 2.55V |
Operating Temperature: | -40°C ~ 85°C (TA) |
Mounting Type: | Through Hole |
Package / Case: | TO-226-3, TO-92-3 (TO-226AA) (Formed Leads) |
Supplier Device Package: | TO-92-3 |
Base Part Number: | DS1817 |
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PMIC - Supervisors
Power management integrated circuits (PMICs) provide regulated power to digital circuits and systems. In some of these applications, the supervised circuits are highly sensitive to variations in voltage, temperature and other conditions, such as the presence of fault currents or low-impedance connection. To avoid any damage or malfunction of the components, supervisors have the important task of monitoring these parameters and providing system protection.In this article, we will discuss the general application fields and working principles of a particular type of PMIC, the DS1817-20/T & R.
Application Fields of DS1817-20/T & R
The DS1817-20/T & R is an integrated power management supervisor designed for automotive applications, including motor management, system control and protection, DC/DC power conversion and alternatives such as hybrid/electronic vehicle power control. The DS1817-20/T & R offers several benefits that make it ideal for such applications, including two operating modes, low quiescent current, adjustable voltage thresholds and a wide operating temperature range.
The DS1817-20/T & R has a wide range of applications in automotive, industrial, and consumer electronics. It is ideal for Engine Control, Motor Control, Battery Management, Power Conversion and Power Line Control applications. It is also used as a line monitoring supervisor in a variety of magnetic and optical sensors, cell phone batteries and computer power supplies.
Working Principle of DS1817-20/T & R
The DS1817-20/T & R operates as a supervisor for power management, fault protection, and system control. In normal operating conditions, input voltage is regulated and monitored to ensure system stability. It also has adjustable threshold levels for under-voltage, over-voltage, power-down, and fault detection protection.
The DS1817-20/T & R uses a latching type output to indicate over-voltage or under-voltage conditions. The output will remain at its active level until it is reset by an external power off or reset after the fault condition has been cleared. An open drain output is used to indicate a power down condition, and a low-impedance open drain output indicates a fault condition.
The DS1817-20/T & R offers several protection features, such as power-down protection and fault detection. The power-down protection ensures that the device is shut down when the input voltage is below the specified level. The fault detection feature can detect high-frequency, low-frequency, and large impedance faults, helping to protect the system components from damage due to excessive currents.
Conclusion
The DS1817-20/T & R is a versatile PMIC and power supervisor designed for a variety of applications, from motor management and system control to DC/DC power conversion and alternatives. It offers a wide range of features, including low quiescent current, adjustable voltage thresholds and a wide operating temperature range. It also has a latching type output that indicates over-voltage and under-voltage conditions, and a open drain output that indicates a power down or fault condition.
With its wide range of applications, the DS1817-20/T & R is an ideal choice for a variety of automotive, industrial, and consumer electronics applications. It is the perfect device to monitor voltage and ensure system protection from damages caused by excessive current.
The specific data is subject to PDF, and the above content is for reference
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