Introducing the TLV803EA43DBZR Voltage Supervisor from Texas Instruments

The TLV803EA43DBZR is a precision voltage supervisor designed to maintain system integrity by monitoring the power supply voltage in electronic devices. Manufactured by Texas Instruments, this component is integral in applications requiring a high degree of reliability and operational stability. The TLV803EA43DBZR is especially suitable for use in microprocessor, microcontroller, and DSP-powered systems where it ensures that the power supply remains within acceptable limits.

Key Features

• Supply Voltage Monitoring: With a threshold voltage of 4.3V, the TLV803EA43DBZR is tailored for systems that operate within this voltage range, providing a tight accuracy of 1.5% at 25°C.
• Low Power Consumption: This device is optimized for battery-powered applications due to its low quiescent current of 3.5 µA (typical), which helps to extend battery life.
• Reset Time Delay: It includes a built-in delay circuit, ensuring that the reset output remains valid for a minimum of 20 ms after the supply voltage has risen above the threshold level. This feature helps to avoid false triggering due to transient voltage dips.
• Open-Drain Active-Low Reset Output: The TLV803EA43DBZR offers an open-drain, active-low RESET output that can interface with a variety of logic levels, making it versatile for different digital systems.
• Temperature Range: It operates over a wide temperature range from -40°C to +125°C, suitable for industrial and automotive applications.
• Small Form Factor: The device comes in a compact 3-pin SOT-23 package, which is ideal for space-constrained applications.

Applications

The TLV803EA43DBZR is widely used across various industries and applications, including:

• Portable and battery-powered electronics
• Microprocessor/microcontroller systems
• Data storage devices
• Industrial equipment
• Automotive electronics

With its precise voltage monitoring and low power consumption, the TLV803EA43DBZR from Texas Instruments is a reliable choice for designers looking to enhance system safety through effective power management. Its compact size and robust operation range make it an excellent selection for a multitude of electronic applications that demand consistent performance and long-term durability.