TPS3106E16DBVT

Overview

The TPS3106E16DBVT is a voltage supervisor integrated circuit from Texas Instruments, designed for monitoring power supply voltages in various electronic systems. This device is particularly useful in applications where reliable system initialization and operation are critical. As a member of the TPS310x family, this IC offers programmable threshold voltages and comes in a compact SOT-23 package, making it suitable for space-constrained applications. Its primary function is to monitor the system voltage and generate a reset signal when the voltage falls below a predefined threshold.

Structure and Working Principle

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The TPS3106E16DBVT consists of a precision voltage reference, comparator circuit, and output driver. The device continuously compares the monitored supply voltage with an internal reference to determine if the voltage is within acceptable limits. When the supply voltage drops below the threshold (typically during power-up or brown-out conditions), the IC asserts a reset signal to maintain system stability. The reset signal remains active until the supply voltage rises above the threshold and maintains this level for a preset delay period.

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Key Features

This voltage supervisor IC boasts several important features including ultra-low quiescent current (typically 1.6μA), which makes it ideal for battery-powered applications. The device offers an adjustable threshold voltage through external resistor dividers, providing design flexibility. The TPS3106E16DBVT operates over a wide temperature range (-40°C to +125°C) and is available in a space-saving SOT-23-5 package. It also features a manual reset input and built-in delay timer, eliminating the need for external timing components in many applications.

Application Areas

The TPS3106E16DBVT finds application in numerous electronic systems including embedded controllers, industrial control systems, and portable devices. It's commonly used in battery-powered equipment where power management is critical. Other typical applications include power supply sequencing in multi-rail systems, microprocessor supervision, and as a watchdog timer in safety-critical systems. The device's small footprint and low power consumption make it particularly suitable for IoT devices and wireless sensor nodes.

Maintenance and Precautions

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When implementing the TPS3106E16DBVT, proper PCB layout practices should be followed to minimize noise interference. Decoupling capacitors should be placed close to the power pins for optimal performance. Designers should pay attention to the device's maximum ratings, especially the absolute maximum supply voltage. The manual reset input should be properly terminated if not used, and the reset output should be connected to the target device's reset pin with appropriate pull-up or pull-down resistors as required by the application.

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B2B Procurement Guide

When procuring the TPS3106E16DBVT in bulk, buyers should verify the manufacturer's lead time and minimum order quantities. It's advisable to source from authorized distributors to ensure product authenticity. Volume pricing typically becomes available at quantities of 1,000 pieces or more. Buyers should specify the tape and reel packaging option (if required) and confirm the device's temperature grade (industrial or commercial) matches their application requirements. Sample quantities are often available for evaluation purposes.