TLV810SDBZT Integrated Circuits (ICs)

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Power management integrated circuits (PMICs) are semiconductor devices used to efficiently manage power transfer between multiple power sources and loads. PMICs are also designed to monitor, control, and maximize the power-consuming efficiency of an electronic system. The TLV810SDBZT is a low voltage, low power, and precision supervisor and monitor IC specifically designed to detect power loss and achieve power shutoff of a system.

An electronic system typically consists of multiple power sources, each with different voltage levels and power requirements. PMICs can regulate the power between the sources, allowing them to work together harmoniously. The TLV810SDBZT is a specific example of a PMIC — a "supervisor". Supervisors serve as a watchdog that monitors the power of a system and makes sure it meets a predetermined operating range.

Application Field

The TLV810SDBZT is designed for use in low-voltage, low-power systems and applications—typically involving microcontrollers and minicomputers. It is suitable for applications such as computing, automotive, instrumentation, industrial automation, data acquisition/control, gaming, home automation, and communication/networking. The TLV810SDBZT can also be used as an independent supervisor for power down applications that require complete removal of power when an appropriate input is detected.

Working Principle

The TLV810SDBZT contains two primary components: the Supervisor and the Monitor. The supervisor is triggered when the system voltage falls below a preset threshold, typically 5V. The monitor works in conjunction with the supervisor to constantly monitor the system voltage. If the voltage falls below 5V, the monitor will generate a reset signal to turn off the system. This reset signal can be used to reset the system or can be enabled to generate a power-down condition in the system.

The TLV810SDBZT is designed to provide the highest level of accuracy and consistent performance in low-voltage, low-power systems. It offers a wide input range of 0.6V to 6.0V making it suitable for a variety of different applications. The device has an input comparator that is designed for dual power-supply applications to assure proper power-down when the voltage drops below the preset threshold. In addition, its low-current operation ensures maximum efficiency in battery-powered systems by providing shut-off when the voltage is too low.

The TLV810SDBZT includes an internal regulator, allowing it to achieve tighter voltage regulation than other standard supervisors available in the market. It also features active-low reset and active-high reset to improve system reset accuracy. Other features of the device include an adjustable reset threshold, reset output filter, and automatic filter hold. The filter hold feature ensures that the system is reset only when the input voltage falls below the specified threshold. Finally, the device is fully qualified to AEC-Q100 automotive standards to ensure safety in automotive applications.

The TLV810SDBZT is a highly versatile supervisor IC that provides a reliable, cost-effective solution for low voltage, low power systems. Its wide input range, accurate voltage regulation, and low current operation make it an ideal choice for the most demanding power management applications.

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