Product Overview: TPS3838K33DBVT from Texas Instruments

The TPS3838K33DBVT is a highly precise voltage detector designed and manufactured by Texas Instruments (TI), a leader in semiconductor solutions. This device is tailored for systems requiring a reliable monitoring of supply voltages to ensure proper operation. It is particularly suitable for battery-powered electronics, portable devices, and microprocessor/microcontroller-based systems.

Key Features

• Voltage Threshold: The TPS3838K33DBVT has a fixed-sense threshold voltage of 3.3V, which makes it ideal for 3.3V supply voltage applications.
• High Accuracy: With a typical threshold accuracy of ±1.5%, this device ensures precise voltage monitoring, which is crucial for sensitive electronic components.
• Low Power Consumption: The device features a very low typical supply current of 0.9 µA, making it an excellent choice for power-sensitive applications.
• Reset Time Delay: It includes a programmable time delay which provides flexibility in determining how long the output remains in the reset state once the monitored voltage drops below the threshold.
• Output Configuration: The TPS3838K33DBVT offers an active-low, open-drain output, which allows for easy interfacing with other logic components and systems.

Package and Temperature Range

The device comes in a compact 5-pin SOT-23 package, which is suitable for space-constrained applications. It operates over a wide temperature range from -40°C to +85°C, allowing for deployment in various environmental conditions.

Applications

With its precise voltage monitoring and low power characteristics, the TPS3838K33DBVT is well-suited for a variety of applications, including:

• Portable and battery-powered devices
• Microprocessor, microcontroller, or FPGA power monitoring
• Smart cards and handheld electronics
• Industrial equipment and IoT devices

Conclusion

The TPS3838K33DBVT from Texas Instruments is a reliable and efficient solution for voltage detection needs in a wide array of electronic applications. Its precision, low power consumption, and flexibility in terms of temperature and packaging make it an indispensable component for designers looking to enhance system reliability and performance.