Texas Instruments

TPS3103K33DBVRG4  

Supervisors

TPS3103K33DBVRG4 Description

The TPS3103K33DBVRG4 is a precision voltage supervisor IC from Texas Instruments, designed to monitor single-voltage power supplies in electronic systems. Housed in a compact SOT23-6 package, this obsolete but reliable component ensures system integrity by generating a reset signal when the supply voltage falls below the fixed threshold of 2.941V. With an open-drain or open-collector output, it provides flexibility for interfacing with various logic levels. The device features a 65ms minimum reset timeout, ensuring stable operation during power-up or brownout conditions. Compliant with ROHS3 and REACH standards, it is suitable for environmentally conscious designs.

TPS3103K33DBVRG4 Features

• Fixed Threshold Voltage: Precisely monitors 3.3V rails with a 2.941V threshold, ensuring accurate power-fail detection.
• Open-Drain Output: Allows easy integration with different logic families and pull-up voltages.
• 65ms Reset Timeout: Guarantees sufficient delay for MCU/MPU stabilization after power recovery.
• Low Power Consumption: Optimized for energy-sensitive applications.
• Surface-Mount SOT23-6 Package: Saves board space in compact designs.
• RoHS3 & REACH Compliant: Meets stringent environmental regulations.

TPS3103K33DBVRG4 Applications

• Embedded Systems: Ensures reliable microcontroller reset in industrial and consumer electronics.
• Battery-Powered Devices: Protects against undervoltage in portable equipment.
• Automotive Electronics: Monitors power rails in infotainment or control modules (though obsolescence may limit new designs).
• IoT & Wearables: Provides voltage supervision in space-constrained, low-power applications.

Conclusion of TPS3103K33DBVRG4

The TPS3103K33DBVRG4 is a robust, single-channel voltage supervisor ideal for systems requiring precise power monitoring. Its fixed threshold, open-drain output, and compact footprint make it a versatile choice for legacy or cost-sensitive designs. While marked obsolete, its reliability in undervoltage protection ensures continued relevance in maintenance or long-lifecycle applications. Engineers should evaluate alternative TI supervisors for new designs while considering this IC for proven performance in existing systems.

TPS3103K33DBVRG4 Documents

Download datasheets and manufacturer documentation for TPS3103K33DBVRG4

Datasheets :

TPS3103, 06, 10 Datasheet      

PCN Obsolescence/ EOL :

Mult Dev EOL 31/Aug/2023      

HTML Datasheet :

TPS3103, 06, 10 Datasheet