MAX6313UK33D2-T

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Power management IC (PMIC) supervisors are devices which are specifically designed to identify various power system environments and provide an appropriate power supply and control of power management. The MAX6313UK33D2-T is a supervisor integrated circuit (IC) used to improve the reliability of a power system and ensure optimum power use and control of a system. This article will discuss the applications and working principles of MAX6313UK33D2-T.

Applications of MAX6313UK33D2-T PMIC Supervisor

The MAX6313UK33D2-T PMIC supervisor is specifically designed to monitor and maintain a reliable power supply for system applications. This includes applications such as embedded systems, distributed systems, industrial automation, consumer electronics and automotive products. Its applications can range from monitoring a single power rail to a multi-rail system to provide improved system-level reliability and resource utilization.

The device is available in a 1.2 V to 3.3 V supply voltage range and offers two independent voltage supervisory circuits that monitor two separate voltage rails. The MAX6313UK33D2-T also features an adjustable settling time, digital reset signal capabilities, reset output type option and are rated with a -40°C to +85°C operating temperature range.

The MAX6313UK33D2-T offers several advantages which include a low quiescent current, adjustable reset thresholds, wide operating temperature range and is programmable to adapt to various system environments. Additionally, it has pin programming options as well and provides reset/stall detection.

Working Principle of MAX6313UK33D2-T PMIC Supervisor

The MAX6313UK33D2-T provides two independent voltage supervisors to monitor two separate power supply voltages. These two voltage monitors are capable of detecting any supply voltage fluctuations which are out of their programmed limits.

The device can be programmed to generate a system reset in the event that the supply voltage drops below its programmed reset threshold. Moreover, it can generate a system reset when a voltage overshoot exceeds the programmed reset threshold. In addition, the MAX6313UK33D2-T can provide reset/stall detection capabilities and can detect input undervoltage conditions as well.

The device utilizes an on-chip comparator, latch and timer to monitor the supply rail voltages and provide an appropriate signal to the system. It also implements a hysteresis window comparator to generate a reset assertion when the voltage drops below the programmed reset threshold. When the voltage drops below the reset threshold, the device will generate a reset signal and hold it until the rail voltage rises above the reset threshold.

The reset assertion time and release time can be programmed and adjusted over a wide range of time intervals. This is done by programming the digital filters, an on-chip timer, and an off-chip resistor and capacitor.

The MAX6313UK33D2-T uses an on-chip buffer to provide a delayed reset signal to the host controller if the supply voltage is out of its programmed limits for an extended period of time. This is done to ensure that the system is not reset when the supply voltage is within its programmed limits but is only out of its limits for a short duration.

The MAX6313UK33D2-T PMIC supervisor is an excellent device for power system applications as it helps to improve system-level reliability and resource utilization. It offers adjustable reset thresholds and wide operating temperature ranges and is programmable to adapt to various system environments.

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