TPS3898PDRYT

Product Overview

Category

The TPS3898PDRYT belongs to the category of integrated circuits (ICs) and specifically falls under the family of supervisory circuits.

Use

This product is primarily used for monitoring and controlling power supply voltages in electronic systems. It ensures that the voltage levels remain within specified limits, providing protection against undervoltage and overvoltage conditions.

Characteristics

• The TPS3898PDRYT is a highly accurate and reliable supervisory circuit.
• It operates over a wide temperature range, making it suitable for various applications.
• This IC offers low quiescent current consumption, minimizing power dissipation.
• It provides adjustable threshold voltage settings, allowing customization based on specific requirements.
• The TPS3898PDRYT features a small form factor, enabling space-efficient designs.

Package

The TPS3898PDRYT comes in a small outline package (SOT-23), which is widely used for surface-mount applications. This package offers excellent thermal performance and ease of handling during assembly.

Essence

The essence of the TPS3898PDRYT lies in its ability to monitor and regulate power supply voltages, ensuring system stability and reliability.

Packaging/Quantity

The TPS3898PDRYT is typically available in reels containing a specified quantity of ICs. The exact quantity may vary depending on the manufacturer and distributor.

Specifications

• Supply Voltage Range: 1.6V to 6.5V
• Adjustable Threshold Voltage Range: 0.4V to 5.5V
• Quiescent Current: 3µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Output Type: Active-Low, Open-Drain
• Power-On Reset Delay Time: 200ms (typical)

Detailed Pin Configuration

The TPS3898PDRYT has a total of three pins:

1. VDD: This pin is used to connect the supply voltage.
2. GND: This pin is connected to the ground reference.
3. RESET: The output pin that provides the reset signal when the monitored voltage falls below the threshold.

Functional Features

• Undervoltage and overvoltage detection: The TPS3898PDRYT monitors the input voltage and generates a reset signal when it goes below or above the set threshold.
• Adjustable threshold voltage: The IC allows users to set the desired threshold voltage within a specified range, providing flexibility for different applications.
• Power-on reset delay: It ensures a stable reset signal is generated after power-up, allowing sufficient time for the system to stabilize.

Advantages and Disadvantages

Advantages

• High accuracy and reliability in voltage monitoring.
• Wide operating temperature range enables usage in various environments.
• Low quiescent current consumption minimizes power dissipation.
• Adjustable threshold voltage settings offer customization options.
• Small form factor facilitates space-efficient designs.

Disadvantages

• Limited number of pins may restrict additional functionalities.
• Requires external components for proper operation.

Working Principles

The TPS3898PDRYT operates by comparing the input voltage with the internally set threshold voltage. When the input voltage falls below or exceeds the threshold, the IC generates a reset signal on the output pin. This signal can be used to initiate system resets or trigger other actions based on the specific application requirements.

Detailed Application Field Plans

The TPS3898PDRYT finds applications in various electronic systems where reliable voltage monitoring and control are crucial. Some potential application fields include:

1. Power supply units: Ensuring stable voltage levels in power supplies to protect downstream components.
2. Microcontrollers and microprocessors: Preventing data corruption and system malfunction due to voltage fluctuations.
3. Industrial automation: Monitoring critical voltages in control systems to maintain operational integrity.
4. Automotive electronics: Protecting sensitive electronic components from voltage variations in vehicles.
5. Battery-powered devices: Extending battery life by preventing excessive discharge or overcharging.

Detailed and Complete Alternative Models

1. TPS3808G01DBVR: A similar supervisory circuit with a fixed threshold voltage of 2.93V.
2. MAX809SEUR-T: Another IC offering adjustable threshold voltage settings and a wide operating temperature range.
3. ADM6316CY29ARJZ-R7: This alternative model provides undervoltage detection and a reset delay time of 140ms.

These alternative models offer similar functionality to the TPS3898PDRYT and can be considered based on specific application requirements.

Word count: 579 words