LTC2912CTS8-1#TRPBF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	Adjustable/Selectable
Voltage - Threshold:	Adjustable/Selectable
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SOT-23-8 Thin, TSOT-23-8
Supplier Device Package:	TSOT-23-8
Base Part Number:	LTC2912

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Introduction to LTC2912CTS8-1#TRPBF

The LTC2912CTS8-1#TRPBF is a low-power programmable supervisor IC designed to monitor multiple power supplies and reset outputs while communicating with a microcontroller or system. The device is part of the PMIC (Power Management Integrated Circuit) family of supervisory ICs and was designed to provide efficient and reliable regulation of multiple system supplies from a single device. It can detect and reset a wide range of system voltages and perform power-up sequencing of the system supply voltages, ensuring that all the necessary power is available for a successful system start-up.

Application field

The LTC2912CTS8-1#TRPBF is a low-power, highly versatile supervisor IC and has many applications in the industrial and commercial sectors. It is highly suited for use in medical and industrial automation applications, helping to regulate the power supply in these sensitive and specialty applications. It can be used to monitor a host of system voltages such as 5V, 12V, 24V and 48V, offering a reliable and cost-effective solution for these applications. Its small size and ability to operate at temperatures up to +105°C makes it suitable for outdoor applications such as outdoor lighting and signs, where reliable and efficient monitoring is essential.

Working principle

The LTC2912CTS8-1#TRPBF uses a voltage reference to detect the voltage levels of system supply voltages, including potentially high voltages. If the measurement of the system supply is outside of the specified voltage range, the supervisor IC initiates a reset immediately. This reset is not delayed and is instantaneous, ensuring that the system is reset and given the right parameters to continue operational. This supervisor IC also provides an undervoltage lockout (UVLO) feature, which will shut down the system if the input voltage is too low—protecting sensitive components in the system.The supervisor IC also incorporates power-up sequencing, ensuring that the system is safely and orderly powered. It uses a delay circuit to define the activation order of each of the system supplies, allowing the IC to accurately and conveniently ensure the system has the correct voltages at the specified times.The LTC2912CTS8-1#TRPBF also boasts an open-drain reset output and open-drain watchdog timer which can be used to both monitor and reset the system if a failure is encountered. This output can be connected to an audible alarm if required, providing a very efficient and reliable system monitoring solution.

Conclusion

The LTC2912CTS8-1#TRPBF is a versatile, low-power supervisor IC designed to monitor multiple power supplies and reset outputs while communicating with a microcontroller or system. It is suited to a range of industrial and commercial applications, being able to monitor a variety of system voltages and perform power-up sequencing. It uses a voltage reference to detect the voltage levels of system supplies and will reset immediately if they differ from the specified voltage range. The supervisor IC also provides an undervoltage lockout (UVLO) feature, a power-up sequencing feature and an open-drain reset output and open-drain watchdog timer.

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