CAX803JTBI-T3

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	4V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23-3

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Introduction

CAX803JTBI-T3 is an advanced power management integrated circuit (PMIC) supervisor, designed for a variety of consumer electronics applications. It has integrated voltage monitoring, system reset, and tamper detect logic in a single device. This device is available in multiple packages, in order to meet the needs of different application fields.

Features

The CAX803JTBI-T3 is an advanced power management IC supervisor with a maximum operating voltage of 5.5V. It provides an integrated voltage monitoring system reset and tamper detection logic in a single package. This device offers a wide range of features and features integrated power up and down sequencing.On the input side, it provides an adjustable reset threshold over a 0.9V to 5Vrange. This features of the device includes its integrated voltage monitoring, driven by its internal PWM. It also features an integrated voltage detector providing an upper threshold function which can be used with an external capacitor.The device also features a number of other useful functions or features. It supports two different reset pulse widths, 8ms and 16ms, permitting reset pulse widths of 8ms, 16ms, 20ms, and 40ms. The tamper detect logic of the device allows for detection of a tamper event of any length. The device also supports open collector output with an internal pull up and a system reset output with active low, active high, and open collector outputs. Finally, the device offers an internal temperature sensor, which uses a 0.875V reference voltage and has a range of -40°C to +105°C. It provides a total warning time of at least 18ms using the 8ms reset setting.

Applications

The CAX803JTBI-T3 is ideally suited for use in battery powered applications such as handheld devices, tablets, and wearable devices. This device is ideal for applications requiring low power consumption and where space limitations are an issue. It can be used in applications requiring a reset signal, tamper detect logic, power management, or a monitored supply voltage.This device can also be used in automotive applications and home automation systems. It can be used to detect power supply events, short circuits, and other events which could cause issues for the system. This device can also be used in industrial applications and is suitable for applications requiring a high degree of safety and reliability.

Working Principle

The CAX803JTBI-T3 works by monitoring the input voltage and generating a reset signal when the voltage falls below the reset threshold voltage. This is done using an integrated voltage detector monitoring the input voltage with a voltage detector and generating a reset signal when the voltage falls below the nominal threshold.The device features a reset pulse width setting, which could be adjusted to 8 ms, 16 ms, 20 ms, or 40 ms. It also features an integrated tamper detect logic, which can detect a tamper event of any length. The device has a maximum operating voltage of 5.5 V, and has an adjustable reset threshold which ranges from 0.9 V to 5 V.Once the voltage has fallen below the reset threshold, the reset signal is sent to the controller, which can be a microcontroller or any other type of processor, depending on the application. The reset signal can be used to direct the controller to reset the system, or to take further action as necessary.Once the reset is complete, the normal operation of the system can resume. The device can be used in battery powered applications, automotive applications, home automation systems, and industrial applications.

Conclusion

The CAX803JTBI-T3 is an advanced power management IC (PMIC) supervisor. It is an ideal choice for applications requiring reset, tamper detect logic, power management, and a monitored supply voltage. It offers an integrated voltage monitoring system reset and tamper detect logic in a single package. It has a maximum operating voltage of 5.5V and an adjustable reset threshold over a 0.9V to 5V range. It is suitable for applications requiring a high degree of safety and reliability.

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