MAX6385XS40D4-T

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The MAX6385XS40D4-T is a unique system supervisor perfect for all kinds of integrated systems. It is categorised as a system-level PMIC (power management integrated circuit) which, rather than concentrating on a single area of power control, oversees the entire operation of the system. It is one of the first of its kind, a supervisor that aims to integrate the system’s power management and make it more efficient.

The MAX6385XS40D4-T is a feature-rich, highly integrated 4-channel sys­tem supervisor for a variety of system-level PMICs. The device includes a configurable system reset function to reset all power supplies in the system without any external components. The device also features configurable reset and watchdog functions, as well as voltage monitor (VM) outputs with integrated comparator thresholds, and power-on reset (POR) with a configurable delay time to ensure proper power sequencing.

At the heart of the MAX6385XS40D4-T is a sophisticated and highly precise Digital Power System Supervisor (DPSS). DPSS makes the MAX6385XS40D4-T particularly robust, as it ensures reliable and precise operation in a variety of conditions. This system supervisor also features integrated frequency detection to guarantee proper voltage rail sequencing and tracking.

The MAX6385XS40D4-T monitors four separate power rails and has two independent reset outputs: one for a master reset and one for a watchdog reset. To provide easy access to supply sensitive nodes, the device also includes four delay configurable POR outputs. A dedicated external signal, or an edge detection at the ENP pin, can be used to force the MAX6385XS40D4-T into reset if necessary. The device also includes two delay configurable VRR outputs.

The MAX6385XS40D4-T is an ideal partner for embedded systems as it offers a range of features covering the power aspects of the system. It provides high accuracy monitoring and reliable system startup and reset sequences. The ability to measure multiple voltage rails and provide multi-level reset sequencing makes the MAX6385XS40D4-T an ideal choice for any system that requires accurate supply supervision and control.

Using the MAX6385XS40D4-T is simple and straightforward. The device is powered with a +3.3V supply and includes two internal 1.8V and 2.5V regulators which powers the internal logic. The device includes all the necessary configurable logic to reset the system on a fault or power-on reset (POR). In operation, the MAX6385XS40D4-T continuously monitors the supply voltages and provides automatic system reset on power up or device fail-safe. It also features an integrated magnetic-flux sensor, which detects loss of AC power. This allows the system to switch off the power supplies when AC power is lost, as well as to reset and start-up when AC power is restored. This gives the system the flexibility to control all power supplies in the event of an AC power failure.

The MAX6385XS40D4-T is an amazing PMIC for a wide range of applications. It offers the system designer a comprehensive package of features and facilities, making it an ideal choice for integrated systems.

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