MAX820TCSE+T

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PMIC – Supervisors are a specific type of Integrated Circuit (IC) specifically designed for power management in electronic devices. The MAX820TCSE+T, manufactured by Maxim Integrated, is a supervisor IC specifically designed to protect digital systems from high-voltage faults.

It is a cost-effective single package supervisor IC that offers both overvoltage and overtemperature protection. It offers a reset – output logic signal that acts in response to an overvoltage fault and an active-low thermal alarm signal for overtemperature situations.

It is suitable for a variety of applications, such as desktop and laptop PCs, personal digital assistants (PDA), and media players, requiring protection from overtemperature and overvoltage faults.

The MAX820TCSE+T employs a precision, temperature-compensated reset circuit that offers a long reset threshold accuracy over the specified temperature range. The device provides short power-on reset (POR) delay times, typically 5ms to 90ms, and also offers a fast output assertion time of 20µs (max).

It features user-selectable reset thresholds for both temperature and voltage monitoring, allowing for the design of power supplies with both low-voltage and low-temperature protection. This device includes internal sources for both overtemperature protection and overvoltage protection, and the reset signal is inverted with respect to the active voltage rails.

The MAX820TCSE+T is equipped with a wide range of features, including an innovative overtemperature mask, a programmable overvoltage window for up to four thresholds, and an internal delay for power-cycling. It also features a self-restoring temperature alarm and a reset signal active-low or active-high logic.

The device is designed to deliver high-current self-resetting overtemperature protection, ensuring that the power supply is efficiently maintained. It is implemented as an actually integrated solution, with all the necessary controller components built-in.

The MAX820TCSE+T is manufactured using advanced CMOS process technology and is available in an 8-pin SOIC package. It is rated for an operating silicon junction temperature range of -40oC to +85oC.

In summary, the MAX820TCSE+T from Maxim Integrated is a cost-effective and reliable supervisor IC, designed for power management in electronic devices. It features user-selectable reset thresholds for both temperature and voltage monitoring, enabling the design of power supplies with both low-voltage and low-temperature protection.

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