MAX6865UK19D2S+T

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PMIC (Power Management Integrated Circuits), or supervisors, are important circuit-level components for many modern electronics applications. The MAX6865UK19D2S+T supervisor is a popular and versatile choice for providing reliable power management for these electronics. This article will discuss the application field and working principle of the MAX6865U19D2S+T.

Application Field of the MAX6865U19D2S+T Supervisor

The MAX6865U19D2S+T supervisor is a versatile device specifically designed for power management applications in small form factor electronics, such as desktop and laptop computers and consumer electronic devices, as well as low-power system designs. The device is also suitable for applications in other industrial, automotive, and consumer industries. It is available in a compact 8-pin NSOIC (Non-solderable IC) package and boasts a wide operating temperature range of −40°C to +85°C.

Its features include:

• Reset output voltage of +5 V.
• Timer periods from 1 ms to 1 h.
• Linear under-voltage lockout.
• Table 1 Fixed/adjustable reset thresholds.
• Dual watchdog timer.
• A low-voltage reset input.
• Voltage monitor with timeout.
• Support for multiple clock frequencies.
• Automatic reset chip ID Generation.

The MAX6865U19D2S+T supervisor is designed to provide power management solutions in a variety of applications, and its features and benefits make it an ideal choice for reliable protection of power supply systems in small form factor electronics.

Working Principle of the MAX6865U19D2S+T Supervisor

The MAX6865U19D2S+T supervisor operates by providing power supply protection and power-on reset and monitoring functions. The device has an adjustable threshold voltage that can be configured through an external voltage divider. When the voltage drops below the reset threshold, the reset output sends a low signal and the device resets. In addition, the device also features a linear under-voltage lockout which will prevent the device from turning on until the voltage rises above a certain threshold. It also includes a timer which monitors the reset input, and if the reset input remains low for a certain amount of time (configurable form 1 ms to 1 h), a reset signal is triggered.

The MAX6865U19D2S+T also includes an integrated watchdog timer which monitors system activity. If the system is not responding or showing symptoms of failure, a reset signal is triggered. Finally, the device also includes an Automatic Reset Chip ID Generator, which allows a power supply that needs to be reset to be detected and reset. This feature can help to reduce the amount of manual intervention needed to reset the system during power supply outages.

The MAX6865U19D2S+T supervisor is a versatile and reliable power management device for small form factor electronics. Its features and benefits make it an ideal choice for reliable protection of power supply systems in these applications. It is also suitable for a variety of industrial, automotive, and consumer applications where reliable power monitoring and reset functions are required.

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