UCC3915DPG4 - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low-power voltage supervisor and reset generator - Monitors the power supply voltage level and generates a reset signal when the voltage falls below a specified threshold - Suitable for use in various electronic devices and systems

Package: DPG-14 (Plastic Dual-In-Line Package)

Essence: The UCC3915DPG4 is an integrated circuit that provides voltage supervision and reset generation capabilities, ensuring proper operation of electronic devices by monitoring the power supply voltage.

Packaging/Quantity: The UCC3915DPG4 is typically sold in reels or tubes containing 250 units per package.

Specifications

• Supply Voltage Range: 2.7V to 18V
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low Reset
• Reset Threshold Voltage Options: 4.65V, 4.75V, 4.85V, 4.95V, 5.05V, 5.15V, 5.25V, 5.35V
• Quiescent Current: 20µA (typical)
• Power-On Reset Delay Time: 200ms (typical)

Detailed Pin Configuration

The UCC3915DPG4 has a total of 14 pins arranged as follows:

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| | --| VDD GND |-- Pin 1: Ground (GND) --| RESET OUT |-- Pin 2: Active-Low Reset Output --| THRESHOLD |-- Pin 3: Threshold Voltage Selection Input --| SENSE |-- Pin 4: Voltage Sense Input --| VDD |-- Pin 5: Power Supply Voltage (VDD) --| RESET |-- Pin 6: External Reset Input --| RESET |-- Pin 7: External Reset Input --| RESET |-- Pin 8: External Reset Input --| RESET |-- Pin 9: External Reset Input --| RESET |-- Pin 10: External Reset Input --| RESET |-- Pin 11: External Reset Input --| RESET |-- Pin 12: External Reset Input --| RESET |-- Pin 13: External Reset Input --| RESET |-- Pin 14: External Reset Input |___________| ```

Functional Features

• Voltage Monitoring: The UCC3915DPG4 continuously monitors the power supply voltage and compares it to the selected threshold voltage.
• Reset Generation: When the power supply voltage falls below the threshold, the UCC3915DPG4 generates an active-low reset signal to initiate a system reset.
• Multiple Threshold Options: The device offers various threshold voltage options to accommodate different voltage requirements.
• Low Quiescent Current: The UCC3915DPG4 operates with a low quiescent current, minimizing power consumption.

Advantages and Disadvantages

Advantages: - Reliable Power Supply Monitoring: Ensures proper operation of electronic devices by monitoring the power supply voltage. - Flexible Threshold Selection: Multiple threshold voltage options allow customization based on specific voltage requirements. - Low Power Consumption: Operates with a low quiescent current, reducing overall power consumption.

Disadvantages: - Limited Reset Output Options: The UCC3915DPG4 provides only an active-low reset output, which may not be suitable for all applications requiring a different reset polarity.

Working Principles

The UCC3915DPG4 works by continuously monitoring the power supply voltage through the SENSE pin. The threshold voltage is set using the THRESHOLD pin, which allows for customization based on specific voltage requirements. When the power supply voltage falls below the selected threshold, the UCC3915DPG4 generates an active-low reset signal at the RESET OUT pin, initiating a system reset.

Detailed Application Field Plans

The UCC3915DPG4 can be used in various electronic devices and systems that require reliable power supply monitoring and reset generation. Some potential application fields include:

1. Microcontrollers: Ensures proper operation of microcontroller-based systems by providing voltage supervision and reset capabilities.
2. Industrial Control Systems: Monitors power supply voltage in industrial control systems to prevent malfunctions and ensure safe operation.
3. Automotive Electronics: Used in automotive applications to monitor battery voltage and initiate system resets when necessary.
4. Consumer Electronics: Provides voltage supervision and reset generation in consumer electronic devices such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

1. UCC3914DPG4: Similar to the UCC3915DPG4, but with a different