TPS3707-33DR

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TPS3707-33DR Application Field and Working Principle

The TPS3707-33DR is a very useful and popular device in the field of Power Management and Integrated Circuits (PMIC). It is a supervisor or watchdog device, and is used for providing accurate semiconductor supervised power-up and fault protection. The use of this device is found in microprocessors, system controllers and various types of memory devices.

The TPS3707-33DR is a one-time programmable device which reduces the complexity of power management design significantly and helps reduce PCB size. The device needs to be programmed properly once and remains static thereafter. This keeps the system conditions preserved even during power cycling. The TPS3707-33DR has a wide supply voltage range of 1.2 V to 3.6 V and can support a wide range of output power levels.

Features and Benefits of TPS3707-33DR

• High accuracy output voltage setting
• Power-on reset generator with adjustable delay time
• Adjustable current limit
• On-chip comparator for monitoring of internal voltages
• Programmable reset for resetting the system
• Generates a valid status output pulse during normal operation
• Integrated over voltage protection (OVP) to prevent overvoltage
• Power switch control output

Working Principle of TPS3707-33DR

The working principle of the TPS3707-33DR is that it provides a precise supervised reset of the power-on reset output. It has an on-chip current source for setting the output voltage. OVP is provided for safety.The internal voltage reference is used by the device to regulate the output voltage and it provides an adjustable reset threshold for the power-on reset circuit. The device has an adjustable time delay, which enables the delay time to be selected to suit the application. The on-chip current source is used to set the output voltage accurately, while the feedback loop ensures that the output voltage is kept constant.

The TPS3707-33DR also has an on-chip voltage comparator, which monitors the internal voltages and can be used to reset the device when excessive voltages are detected. The TPS3707-33DR also features a status output pulse, which helps in determining the state of the device. It also has an integrated switch control output, which helps in providing the control signals to the external circuit.

Applications of TPS3707-33DR

The TPS3707-33DR is widely used in various microcontroller-based applications such as home security systems, smart meters, and industrial automation applications. It is also found in a variety of electronic devices such as personal digital assistants (PDAs), set top boxes, cell phones, and other portable electronic devices.

The TPS3707-33DR is also used in industrial and automotive applications, such as automotive ECUs, industrial controllers, and motor control. The device is also widely used in consumer electronics, such as digital cameras and camcorders, laptop computers and other portable media players.

Conclusion

The TPS3707-33DR is a popular and efficient device in the field of PMIC. The device provides accurate supervised power-on reset and fault protection, and helps reduce the complexity of power management design. It supports a wide supply voltage range and can generate a valid status signal. Moreover, the TPS3707-33DR is widely used in a variety of applications ranging from home automation to automotive and industrial uses.

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