MAX6313UK25D1-T

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The MAX6313UK25D1-T is a versatile and popular chip that is used in a wide range of applications, mostly as a PMIC - supervisors. It is a three-state, voltage monitor/supervisor for system reset and/or signaling applications. The device offers a combination of high accuracy and flexibility, with user adjustable reset/trip points. The MAX6313UK25D1-T belongs to the MAX6313 family of devices, and is providing reliable system reset and signaling capabilities.

Functionality and Features

The MAX6313UK25D1-T has many features that make it ideal for use as a PMIC - supervisors. It is a very low power device, with a quiescent current of 2uA, making it energy efficient. It has an adjustable reset threshold voltage range of 1.08V to 4.63V as well as an adjustable warning threshold of 1.50V to 4.38V. The device has dual push-pull CMOS open-drain outputs which are flagged when the selected threshold voltages are exceeded. There is an additional open-drain output which can be used as an input to the power-up reset controller.

The MAX6313UK25D1-T also features an integrated watchdog timer which provides an additional reset/signal output when a time-out period is reached, or in response to external pulse width modulation (PWM) inputs. The device also has an adjustable run time of up to 12 minutes, which prevents premature reset or signal generation from transients. Overall, the MAX6313UK25D1-T is a very versatile and flexible device, with a range of features and functionality to meet a wide range of application requirements.

Application Fields

The MAX6313UK25D1-T is a versatile device that can be used in a range of applications. These include PCs, servers and workstations, wireless controllers, medical and industrial systems, as well as home appliances. In addition, it is used in various industrial applications such as motor control, safety monitoring, power supplies, and over-temperature sensing. The device can also be used as a battery backup supervisor, monitoring the state of charge of a battery and issuing a reset when the battery voltage drops below a certain threshold. In any application it is used in, the MAX6313UK25D1-T can help enhance the reliability and performance of the system.

Working Principle

The basic working principle of the MAX6313UK25D1-T is that it monitors the supply voltage and signals an output when the voltage falls below a preset threshold. The device has two inputs, VDD and VIN, for monitoring the voltage, and two outputs, RESET and WARN, for signaling an action. The reset and warning thresholds are adjustable, and are set by external resistors. When the voltage at VDD and VIN falls below the set threshold, the RESET output goes high, asserting a system reset. The WARN output goes to a logic high when the voltage of either VIN or VDD falls below the warning threshold, indicating that the voltage is approaching the reset threshold.

The MAX6313UK25D1-T also has integration for an internal timer which can be used for system watchdog functions and for pulse-width modulation (PWM) inputs. When the timer reaches the set time-out, the internal timer output goes high, asserting the RESET and/or WARN outputs. Additionally, the device has an active-high enable input (EN), which can be used to disable or enable the device. This enables the device to be programmed or updated in situ, and also allows the device to be powered down and powered up again.

Conclusion

The MAX6313UK25D1-T is a versatile and popular chip which is mostly used as a PMIC - supervisors. It offers a combination of high accuracy and flexibility, with user adjustable reset/trip points and an integrated watchdog timer. The device has a quiescent current of 2µA, making it energy efficient, and can be used in a wide range of applications such as PCs, servers and workstations, wireless controllers, medical and industrial systems, and home appliances. As a supervisor device, it monitors the supply voltage and signals an output when the voltage falls below the preset threshold. The MAX6313UK25D1-T is a reliable and effective choice for PMIC - supervisors.

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