TPS3610T50PWR

Product Overview

Category

The TPS3610T50PWR belongs to the category of integrated circuits (ICs) and specifically falls under the voltage supervisors or voltage monitors subcategory.

Use

This product is primarily used for monitoring and supervising the voltage levels in electronic systems. It ensures that the voltage remains within a specified range, triggering appropriate actions when it goes beyond the set limits.

Characteristics

• Voltage Range: The TPS3610T50PWR operates within a voltage range of 1.8V to 6.5V.
• Low Power Consumption: It consumes minimal power during operation, making it suitable for battery-powered devices.
• Adjustable Threshold: The voltage threshold can be adjusted using external resistors, allowing flexibility in different applications.
• Reset Delay: It provides a programmable reset delay time to ensure stability during power-up or voltage fluctuations.
• Small Package Size: The TPS3610T50PWR comes in a small SOT-23 package, enabling space-saving designs.

Package and Quantity

The TPS3610T50PWR is available in a surface-mount SOT-23 package. It is typically sold in reels containing 3000 units per reel.

Specifications

• Supply Voltage Range: 1.8V to 6.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Accuracy: ±1.5%
• Reset Timeout Period: Programmable from 1ms to 640ms
• Quiescent Current: 3µA (typical)
• Output Type: Active-Low Push-Pull

Pin Configuration

The TPS3610T50PWR has the following pin configuration:

____ VDD| |GND RST| |OUT ----

• VDD: Power supply input pin.
• GND: Ground reference pin.
• RST: Reset output pin. It goes low when the monitored voltage falls below the threshold.
• OUT: Output pin indicating the status of the monitored voltage.

Functional Features

1. Voltage Monitoring: The TPS3610T50PWR continuously monitors the input voltage and compares it with the set threshold.
2. Reset Generation: When the voltage drops below the threshold, the reset output is activated, signaling a system reset or triggering other necessary actions.
3. Adjustable Threshold: The voltage threshold can be customized by connecting external resistors to the device.
4. Programmable Reset Delay: The reset delay time can be programmed to ensure stability during power-up or voltage transients.
5. Low Power Consumption: The IC operates with minimal power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various systems.
• Adjustable threshold provides flexibility in different voltage monitoring scenarios.
• Small package size enables space-saving designs.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited reset timeout period may not suit all applications requiring longer delays.
• Lack of built-in hysteresis may result in potential oscillations near the threshold voltage.

Working Principles

The TPS3610T50PWR works based on a voltage comparator circuit. It compares the input voltage with the internally set threshold voltage. If the input voltage falls below the threshold, the reset output is activated, indicating a fault condition or the need for a system reset. The reset delay feature ensures that the reset output remains stable during power-up or voltage fluctuations.

Application Field Plans

The TPS3610T50PWR finds applications in various electronic systems where voltage monitoring and supervision are critical. Some potential application fields include:

1. Power Supply Units: Ensuring stable voltage levels in power supply units to protect sensitive components from overvoltage or undervoltage conditions.
2. Microcontrollers and Processors: Monitoring the supply voltage to prevent data corruption or system malfunction due to voltage fluctuations.
3. Battery-Powered Devices: Protecting battery-powered devices by triggering actions when the battery voltage drops below a safe threshold.
4. Industrial Control Systems: Monitoring voltage levels in industrial control systems to ensure reliable operation and prevent damage to equipment.

Alternative Models

• TPS3610T33PWR: Similar to TPS3610T50PWR but operates within a voltage range of 1.8V to 3.3V.
• TPS3610T25PWR: Similar to TPS3610T50PWR but operates within a voltage range of 1.8V to 2.5V.
• TPS3610T12PWR: Similar to TPS3610T50PWR but operates within a voltage range of 1.8V to 1.2V.

These alternative models provide options for different