The TPS3123J18DBVT is a highly sophisticated supervisory circuit designed by Texas Instruments to monitor power supply performance in digital systems. This component ensures system reliability by providing a reset signal to the host processor when the monitored power supply voltage drops below a predefined threshold. The TPS3123J18DBVT is particularly suitable for portable and battery-powered applications due to its low power consumption and small form factor.

Key Features

• Voltage Monitoring: The device keeps a watchful eye on the system voltage levels, triggering a reset when voltages fall below the preset 1.8V threshold, ensuring the system operates within safe parameters.
• Programmable Delay: It features an externally programmable time delay, providing designers with flexibility in determining how long the reset signal is maintained once triggered.
• Low Power Consumption: With its quiescent current of just 9µA, the TPS3123J18DBVT is optimized for power-sensitive applications, conserving energy and prolonging battery life.
• High Accuracy: Texas Instruments guarantees high threshold accuracy, which is essential for reliable operation in systems where voltage precision is critical.
• Temperature Range: The device is designed to operate over a wide temperature range, making it suitable for various environments and applications.

Applications

The TPS3123J18DBVT is versatile and can be used in a wide array of applications, including:

• Portable and battery-powered equipment
• Microprocessor/microcontroller systems
• Industrial controls
• Notebook computers
• PDAs and handheld devices

Package and Availability

This supervisory circuit is available in a compact SOT-23-6 package, which is ideal for space-constrained applications. The device's part number, TPS3123J18DBVT, includes the package type and temperature grade information, making it easy for designers to incorporate into their system designs. For pricing, availability, and additional technical resources, please visit the Texas Instruments website or contact an authorized distributor.