TPS3823-33DBVR Detailed explanation of pin function specifications and circuit principle instructions

The TPS3823-33DBVR is a part of the Texas Instruments brand, specifically from their voltage monitoring IC family. This component is a supervisory circuit designed for monitoring voltage levels in various systems, and it provides a reset output when the voltage levels go out of the desired range.

Package Information:

Package Type: DBV (SOT-23-5) Number of Pins: 5 pins.

Pin Function Specifications:

Below is a detailed description of the 5 pins of the TPS3823-33DBVR in the SOT-23-5 package.

Pin Number Pin Name Pin Function Description 1 VDD Power supply pin, typically connected to the supply voltage. 2 GND Ground pin, used for connecting to the system ground. 3 RESET Active-low output. This pin provides a reset signal when the monitored voltage is out of range. 4 NC No connection. This pin is not connected internally to the IC. It may be used for mechanical purposes in the package design. 5 VOUT Voltage output pin, which provides a regulated voltage from the device to power another part of the system or as an input for feedback.

Function of Each Pin:

Pin 1 (VDD) - This pin is the supply voltage input for the device. It typically connects to the main supply voltage of the system. Pin 2 (GND) - Ground connection, used to complete the circuit. Pin 3 (RESET) - When the monitored voltage falls below the threshold, this pin pulls low, signaling that a reset condition exists. The pin is open-drain and requires an external pull-up resistor. Pin 4 (NC) - This pin is unconnected internally, which means it does not serve any electrical function in the circuit. Pin 5 (VOUT) - This pin can be used for connecting a voltage output or feedback for voltage regulation in certain applications.

FAQs (Frequently Asked Questions):

1. What is the main function of the TPS3823-33DBVR? The TPS3823-33DBVR is a supervisory circuit designed to monitor voltage levels. It provides a reset signal when the monitored voltage drops below a certain threshold. 2. What is the voltage threshold of the TPS3823-33DBVR? The TPS3823-33DBVR is designed to monitor a 3.3V voltage level, and the reset occurs when the voltage drops below 3.3V. 3. What is the pinout configuration for the TPS3823-33DBVR? The device comes in a 5-pin SOT-23 package, with VDD, GND, RESET, NC, and VOUT as its pins. 4. How is the RESET pin used in the TPS3823-33DBVR? The RESET pin is an active-low output, which will go low when the monitored voltage is below the threshold, signaling a reset condition. 5. Can the VOUT pin be used to power another device? Yes, the VOUT pin can be used as a regulated voltage output, which can be connected to power another component or system in certain designs. 6. What kind of external components are needed for the TPS3823-33DBVR? Typically, the RESET pin requires an external pull-up resistor to function properly as an open-drain output. 7. What is the maximum operating voltage for the TPS3823-33DBVR? The maximum operating voltage for this part is 5.5V. 8. What is the minimum operating voltage for the TPS3823-33DBVR? The minimum operating voltage is typically 1.5V, depending on the application. 9. Can the TPS3823-33DBVR be used in 3.3V systems? Yes, the TPS3823-33DBVR is ideal for 3.3V systems as it monitors and resets at the 3.3V threshold. 10. What is the reset delay time of the TPS3823-33DBVR? The reset delay time is typically around 200ms, ensuring that transient voltage drops do not cause unnecessary resets. 11. What is the current consumption of the TPS3823-33DBVR? The typical current consumption is very low, in the range of microamps (typically 30uA), making it suitable for low-power systems. 12. Is the RESET pin active-low or active-high? The RESET pin is active-low, meaning it goes low to signal that a reset is needed. 13. What is the output drive capability of the RESET pin? The RESET pin is open-drain, which requires an external pull-up resistor for proper logic level interpretation. 14. Is the TPS3823-33DBVR suitable for battery-powered applications? Yes, due to its low power consumption, the TPS3823-33DBVR is well-suited for battery-powered applications where power efficiency is critical. 15. Can the TPS3823-33DBVR monitor voltages other than 3.3V? The TPS3823-33DBVR is specifically designed for 3.3V systems. However, Texas Instruments offers other versions that monitor different voltage levels. 16. What is the temperature range for the TPS3823-33DBVR? The operating temperature range is from -40°C to +125°C, suitable for industrial applications. 17. Can the TPS3823-33DBVR be used in automotive applications? Yes, the TPS3823-33DBVR is suitable for automotive applications due to its wide operating temperature range. 18. What is the tolerance for the voltage threshold? The voltage threshold tolerance for the TPS3823-33DBVR is typically ±2%, ensuring accurate monitoring of the 3.3V level. 19. What type of applications is the TPS3823-33DBVR used in? The TPS3823-33DBVR is used in applications such as microcontrollers, processors, and other systems requiring voltage monitoring and reset functions. 20. How does the TPS3823-33DBVR improve system reliability? By providing a reliable reset signal when voltage levels are out of range, the TPS3823-33DBVR ensures that systems only operate when the power supply is stable, improving overall system reliability.

This completes the detailed explanation of the TPS3823-33DBVR with all required pin functions and common FAQs. Let me know if you need further details or clarification!