TPS3807A30DCKT

Overview

Product Category

The TPS3807A30DCKT belongs to the category of voltage supervisors or reset ICs.

Use

This product is primarily used for monitoring and controlling the power supply voltage in electronic systems. It ensures that the voltage remains within a specified range, triggering a reset signal if it falls below or exceeds the desired threshold.

Characteristics

• Voltage supervision: The TPS3807A30DCKT monitors the power supply voltage and provides a reset signal when it deviates from the set threshold.
• Low power consumption: This IC consumes minimal power, making it suitable for battery-powered devices.
• Wide operating voltage range: It can operate within a wide range of input voltages, typically from 1.6V to 6.5V.
• Adjustable threshold: The threshold voltage can be adjusted to suit specific system requirements.
• Precision voltage reference: The TPS3807A30DCKT incorporates a precise voltage reference for accurate monitoring.

Package and Quantity

The TPS3807A30DCKT is available in a small SOT-23 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Supply voltage range: 1.6V to 6.5V
• Reset threshold voltage: Adjustable from 2.93V to 3.08V
• Operating temperature range: -40°C to +85°C
• Quiescent current: 4µA (typical)
• Reset timeout period: 200ms (typical)

Pin Configuration

The TPS3807A30DCKT has the following pin configuration:

```

---

| | --| VDD | --| GND | --| RESET | |_______| ```

• VDD: Power supply input
• GND: Ground reference
• RESET: Reset output

Functional Features

1. Voltage Monitoring: The TPS3807A30DCKT continuously monitors the power supply voltage.
2. Threshold Detection: It compares the monitored voltage with the set threshold and triggers a reset signal if it falls below or exceeds the threshold.
3. Adjustable Threshold: The threshold voltage can be adjusted using external resistors to suit different system requirements.
4. Reset Output: When the voltage deviates from the threshold, the RESET pin goes low, indicating the need for a system reset.

Advantages and Disadvantages

Advantages

• Precise voltage monitoring ensures reliable system operation.
• Low power consumption extends battery life in portable devices.
• Adjustable threshold allows customization for various applications.
• Small package size enables space-saving designs.

Disadvantages

• Limited to monitoring power supply voltage only; does not provide additional features like overcurrent or temperature monitoring.
• Requires external components (resistors) for threshold adjustment.

Working Principles

The TPS3807A30DCKT operates by comparing the power supply voltage with a preset threshold voltage. If the voltage falls below or exceeds this threshold, the IC triggers a reset signal. This signal can be used to initiate a system reset or perform other necessary actions.

The threshold voltage is adjustable using external resistors connected to the device's threshold pin. By setting the threshold appropriately, the TPS3807A30DCKT can cater to different voltage requirements of various electronic systems.

Application Field Plans

The TPS3807A30DCKT finds applications in a wide range of electronic systems that require reliable voltage monitoring and reset functionality. Some potential application fields include:

1. Microcontrollers and Microprocessors: Ensuring stable power supply voltage for proper operation.
2. Industrial Control Systems: Preventing malfunctions caused by voltage fluctuations.
3. Automotive Electronics: Monitoring and controlling power supply voltage in vehicle systems.
4. Battery-Powered Devices: Extending battery life by efficiently managing power supply voltage.

Alternative Models

1. TPS3807A33DCKT: Similar to TPS3807A30DCKT but with a higher threshold voltage of 3.3V.
2. TPS3807A25DCKT: Similar to TPS3807A30DCKT but with a lower threshold voltage of 2.5V.
3. TPS3807A01DCKT: Voltage supervisor with a fixed threshold voltage of 1.2V.

These alternative models offer different threshold voltages to cater to specific system requirements while maintaining similar functionality to the TPS3807A30DCKT.

In conclusion, the TPS3807A30DCKT is a voltage supervisor IC that provides precise monitoring and control of power supply voltage. Its adjustable threshold, low power consumption, and compact package make it suitable for various electronic applications.