MAX6310UK34D1-T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	2
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	1 ms Minimum
Voltage - Threshold:	3.4V, Adj
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5
Base Part Number:	MAX6310

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Introduction to MAX6310UK34D1-T

The MAX6310UK34D1-T is a low-cost, low-power microprocessor supervisory circuit designed to monitor power supplies for systems powered with one or more battery-backed supplies. It offers three-state reset, watchdog timer, and logic monitoring for undervoltage, overtemperature, and overcurrent events. The MAX6310 offers multiple pins to segregate functions, allowing simultaneous independent and bundled reset operation, and is housed in a thin 8-pin 1.27mm x 2.7mm TDFN package. This makes it ideal for portable or space-limited designs.

Application Field of MAX6310UK34D1-T

The MAX6310UK34D1-T is primarily used in portable electronic devices and systems for providing ‘always-on’ protection and system initialization. It works in portable devices such as mobile phones, PDAs, digital cameras and other devices powered by one or more battery-backed supplies. It is mainly used for protection, fault detection and monitoring of battery-powered systems.The MAX6310UK34D1-T provides fast reset, watchdog timer and robust logic monitoring of the system’s power-supply system. It is ideal for systems with demanding safety requirements, such as medical instruments, automotive systems and in industrial applications.The MAX6310 UK34D1-T is also suitable for applications involvoing distributed power systems, such as data centre and server systems.

Working Principle of MAX6310UK34D1-T

The MAX6310UK34D1-T is a microprocessor Supervisory Circuit that provides fast reset and watchdog timer operation, and robust logic monitoring of the system’s power supply. It uses two voltage channels with and without an internal reference. The voltage channels are used for undervoltage, overtemperature, and overcurrent monitoring.UMON, the Undervoltage Monitor, is used to detect power failures. It has two voltage thresholds and one polarity setting. It monitors two supply levels by sampling one or both of the two inputs. When the reference threshold is reached, the RESET output is asserted. OVLO is the Overvoltage Lockout circuit that prevents the system from starting up if the input voltage exceeds a predetermined threshold. It has two voltage thresholds and one polarity setting. OTMON is the Overtemperature Monitor, used to detect overtemperature events. It has two temperature thresholds, one of which can be directly connected to the RTMP pin. The other threshold is set by the user. Finally, CTMON is the Current Monitor used to detect overcurrent events.The RESET output is an active low open-collector output (low to activate) that provides an asynchronous reset signal when triggered. This can be used to reset a microcontroller or other logic in the system. The WDI input is for the operation of the WATCHDOG TIMER, which is used to reset the system if it does not receive the WDI input within the programmed period. The MAX6310UK34D1-T also has an interrupt that can be used to indicate different system conditions in a microcontroller. The interrupt signal Generates an active low pulse at the /IRQ pin when a reset, a critical temperature or an overcurrent event is detected.

Conclusion

The MAX6310UK34D1-T is an ideal choice for providing ultra-low-power, cost-effective protection and system initialization for portable electronic devices. It offers fast reset and watchdog timer operation, and robust logic monitoring of the system’s power supply. The MAX6310UK34D1-T also has an interrupt signal to indicate various events in a microcontroller, making it suitable for distributed power systems.

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