TPS3610U18PWRG4

Overview

Category: Integrated Circuits (ICs)

Use: Voltage Supervisor

Characteristics: - Monitors undervoltage and overvoltage conditions - Provides a reset signal to the system when voltage is outside the specified range - Low quiescent current consumption - Wide operating voltage range - Small package size

Package: TSSOP-8

Essence: The TPS3610U18PWRG4 is an integrated circuit that serves as a voltage supervisor. It ensures that the voltage supplied to a system remains within the specified range, providing a reset signal if the voltage goes below or above the desired levels.

Packaging/Quantity: The TPS3610U18PWRG4 is available in a TSSOP-8 package. It is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 1.6V to 6.5V
• Threshold Voltage Accuracy: ±1.5%
• Quiescent Current: 3µA (typical)
• Power-On Reset Delay Time: 200ms (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TPS3610U18PWRG4 has the following pin configuration:

```

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| | --| VDD GND |-- Pin 1: Ground (GND) --| MR RST |-- Pin 2: Reset Output (RST) --| VIT VDD |-- Pin 3: Supply Voltage (VDD) --| VTH GND |-- Pin 4: Threshold Voltage (VTH) |___________| ```

Functional Features

1. Undervoltage Monitoring: The TPS3610U18PWRG4 continuously monitors the supply voltage and generates a reset signal when it falls below the threshold voltage (VTH).

2. Overvoltage Monitoring: Similarly, the IC also detects overvoltage conditions and asserts the reset signal when the voltage exceeds the specified limit.

3. Power-On Reset Delay: The device incorporates a power-on reset delay circuit that ensures a stable output is provided only after the supply voltage has reached a sufficient level.

4. Low Quiescent Current: With a typical quiescent current of 3µA, the TPS3610U18PWRG4 minimizes power consumption, making it suitable for battery-powered applications.

Advantages

• Provides reliable voltage monitoring and reset functionality.
• Wide operating voltage range allows for versatile use in various systems.
• Low quiescent current consumption helps conserve power.
• Small package size enables space-efficient designs.

Disadvantages

• Limited to voltage supervision and reset functionality, may not be suitable for more complex power management requirements.
• Requires an external pull-up resistor for proper operation.

Working Principles

The TPS3610U18PWRG4 operates by comparing the supply voltage with the internally set threshold voltage (VTH). When the voltage falls below or exceeds this threshold, the IC triggers the reset output, indicating a fault condition. The power-on reset delay circuit ensures that the reset signal is not asserted until the supply voltage stabilizes.

Application Field Plans

The TPS3610U18PWRG4 finds applications in various fields where voltage monitoring and system reset functionality are crucial. Some potential application areas include:

1. Embedded Systems: Used to monitor the power supply voltage in microcontroller-based systems, ensuring reliable operation.

2. Industrial Automation: Employed in control systems to detect voltage anomalies and initiate appropriate actions.

3. Consumer Electronics: Integrated into devices like smart home appliances, ensuring safe operation and protecting sensitive components.

4. Automotive Electronics: Utilized in automotive systems to monitor the vehicle's power supply and trigger a reset if necessary.

Alternative Models

1. TPS3613: Similar voltage supervisor IC with adjustable threshold voltage.
2. MAX823: Voltage monitor with a push-pull output and adjustable reset timeout delay.
3. ADM6315: Microprocessor supervisory circuit with watchdog timer functionality.

These alternative models offer similar voltage monitoring and reset capabilities, providing options for different design requirements.

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