TPS3809K33DBVR

The TPS3809K33DBVR is a precision voltage supervisor IC designed to monitor supply voltages in microcontroller and digital systems. Manufactured by Texas Instruments, this device is part of the TPS3809 family and is housed in a small SOT-23-3 package, making it suitable for compact applications.
Key features include:
- Voltage Monitoring: Specifically monitors a supply voltage of 3.3V.
- Precision: Provides high accuracy with a typical threshold voltage tolerance of ±2%.
- Reset Functionality: Generates a reset signal when the monitored voltage falls below the specified threshold, ensuring reliable system operation.
- Low Supply Current: Offers low power consumption, enhancing system efficiency.
- Reset Delay: Incorporates a fixed reset delay time of 200ms (typical), allowing for proper system stabilization before operation resumes.
Applications for the TPS3809K33DBVR include power sequencing, embedded systems, and battery-powered devices where precise voltage monitoring is critical for maintaining system integrity and performance.

The TPS3809K33DBVR is a supply voltage supervisor IC. Equivalent products include the MAX809 series by Maxim Integrated, ADM809 series by Analog Devices, and the MCP120/130 series by Microchip Technology. These devices perform similar functions, providing a reset signal to a microprocessor when the supply voltage drops below a certain threshold. Always check datasheets to ensure pin compatibility and electrical characteristics before substituting.

The TPS3809K33DBVR is a voltage supervisor designed by Texas Instruments with key features including:
1. Supply Voltage Monitoring: Monitors 3.3V supply voltage, ensuring it remains within specified limits.
2. Reset Functionality: Provides an active low reset output to prevent system malfunction during power-up, power-down, or brownout conditions.
3. Precision Threshold: Features a precise voltage threshold with a typical accuracy of ±1.5%.
4. Reset Delay: Includes a fixed delay time of 200ms (typical) after the voltage exceeds the threshold, allowing systems to stabilize before reset is released.
5. Low Quiescent Current: Consumes minimal power with a typical quiescent current of 9 µA, enhancing power efficiency.
6. Small Package: Available in a compact SOT-23-5 package, suitable for space-constrained applications.
7. Temperature Range: Operates over a wide temperature range from -40°C to 85°C, making it suitable for various industrial and consumer applications.
These features make the TPS3809K33DBVR ideal for ensuring reliable operation in microcontroller and processor-based systems.

The TPS3809K33DBVR is a voltage supervisor IC, manufactured by Texas Instruments, with a focus on monitoring supply voltages in microcontroller and DSP systems. It comes in a small SOT-23-5 (DBV) package, which features 5 pins. Here’s a brief overview of the pin functions:
1. VDD: This is the supply voltage pin. It is connected to the voltage that the TPS3809K33DBVR is supposed to monitor.
2. GND: This pin is connected to the ground.
3. RESET: The output pin that indicates the reset status. It goes low when the monitored voltage drops below the threshold.
4. MR: Manual reset input. This allows for a manual reset by pulling the pin low.
5. NC: No connection or not used.
The TPS3809K33DBVR is specifically designed to monitor 3.3V systems and provides a reset signal when the voltage falls below a specific threshold, ensuring that the system operates correctly and safely.

The TPS3809K33DBVR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of analog, embedded processing, and digital signal processing (DSP) integrated circuits. The company is known for its innovation in the electronics industry and serves various markets, including automotive, industrial, consumer electronics, communications equipment, and enterprise systems. TI is recognized for its focus on research and development, which drives advancements in technology and contributes to the production of energy-efficient, high-performance products.

The TPS3809K33DBVR is a voltage supervisor commonly used in applications requiring microprocessor and DSP supervision, ensuring proper system resets during power-up, power-down, and brownout conditions. Key application areas include:
1. Embedded Systems: Monitoring and ensuring reliable microcontroller and microprocessor operation.
2. Industrial Automation: Protecting systems against voltage fluctuations.
3. Consumer Electronics: Safeguarding devices like set-top boxes and gaming consoles.
4. Networking Equipment: Ensuring stable operation of routers and switches.
5. Automotive Electronics: Managing reliable operation of vehicle control systems.
6. Portable Devices: Enhancing reliability in smartphones, tablets, and other handheld gadgets.
Its compact size and low power consumption make it ideal for space-constrained and battery-operated devices.

The TPS3809K33DBVR is a voltage supervisor IC from Texas Instruments, packaged in a SOT-23-5 configuration. This small-outline transistor (SOT) package is compact and designed for surface-mount technology, making it suitable for space-constrained applications.