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TPS3307-18DGNG4
Product Overview
Category
The TPS3307-18DGNG4 belongs to the category of voltage supervisors.
Use
It is primarily used for monitoring and controlling the voltage levels in electronic systems.
Characteristics
- Voltage supervision range: 1.8V
- Low quiescent current: 10µA (typical)
- Wide operating temperature range: -40°C to +125°C
- Adjustable reset time delay
- Power-on reset generator with fixed delay time
- Manual reset input
- Watchdog timer
Package
The TPS3307-18DGNG4 comes in a small MSOP-8 package.
Essence
The essence of the TPS3307-18DGNG4 is its ability to provide accurate voltage monitoring and control, ensuring the reliable operation of electronic systems.
Packaging/Quantity
The TPS3307-18DGNG4 is typically packaged in reels, with 2500 units per reel.
Specifications
- Supply voltage range: 1.5V to 6.5V
- Reset threshold voltage: 1.8V
- Reset timeout period: Adjustable from 1ms to 640ms
- Watchdog timeout period: 1.6s (typical)
- Quiescent current: 10µA (typical)
- Operating temperature range: -40°C to +125°C
Detailed Pin Configuration
The TPS3307-18DGNG4 has the following pin configuration:
- GND (Ground)
- MR (Manual Reset)
- VDD (Supply Voltage)
- RESET (Reset Output)
- WDI (Watchdog Input)
- GND (Ground)
- NC (No Connection)
- VDD (Supply Voltage)
Functional Features
Power-On Reset Generator
The TPS3307-18DGNG4 incorporates a power-on reset generator that ensures the system starts up in a known state. It provides a fixed delay time for the reset signal.
Adjustable Reset Time Delay
The reset time delay can be adjusted using external components, allowing flexibility in setting the desired delay period.
Manual Reset Input
The manual reset input allows for an external signal to force a system reset when necessary.
Watchdog Timer
The TPS3307-18DGNG4 includes a watchdog timer that monitors the system's operation. If the system fails to provide a periodic input signal within the specified timeout period, the watchdog timer triggers a system reset.
Advantages and Disadvantages
Advantages
- Accurate voltage monitoring and control
- Wide operating temperature range
- Low quiescent current consumption
- Adjustable reset time delay for flexibility
- Incorporates a watchdog timer for enhanced system reliability
Disadvantages
- Limited reset threshold voltage options (1.8V only)
- Requires external components for adjusting reset time delay
Working Principles
The TPS3307-18DGNG4 operates by continuously monitoring the supply voltage. If the voltage falls below the preset threshold level (1.8V), the device generates a reset signal to initiate a system reset. The reset time delay can be adjusted externally to meet specific requirements. Additionally, the watchdog timer ensures the system's proper functioning by monitoring the presence of periodic input signals.
Detailed Application Field Plans
The TPS3307-18DGNG4 finds applications in various electronic systems where accurate voltage monitoring and control are critical. Some potential application fields include:
- Microcontrollers and microprocessors
- Industrial automation systems
- Automotive electronics
- Power management systems
- Communication equipment
Detailed and Complete Alternative Models
- TPS3307-25DGNG4: Similar to TPS3307-18DGNG4 but with a higher reset threshold voltage of 2.5V.
- TPS3307-33DGNG4: Similar to TPS3307-18DGNG4 but with a higher reset threshold voltage of 3.3V.
- TPS3307-50DGNG4: Similar to TPS3307-18DGNG4 but with a higher reset threshold voltage of 5.0V.
These alternative models provide options for different voltage requirements in various applications.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TPS3307-18DGNG4 v technických řešeních
Sure! Here are 10 common questions and answers related to the application of TPS3307-18DGNG4 in technical solutions:
Q: What is the TPS3307-18DGNG4? A: The TPS3307-18DGNG4 is a voltage supervisor and reset IC designed for monitoring the power supply voltage in electronic systems.
Q: What is the operating voltage range of TPS3307-18DGNG4? A: The TPS3307-18DGNG4 operates within a voltage range of 1.8V to 5.5V.
Q: What is the purpose of using TPS3307-18DGNG4 in a technical solution? A: TPS3307-18DGNG4 is used to monitor the power supply voltage and generate a reset signal when the voltage falls below a certain threshold, ensuring proper system operation.
Q: How does TPS3307-18DGNG4 generate a reset signal? A: When the monitored voltage drops below the specified threshold, TPS3307-18DGNG4 asserts the reset output pin, which can be used to reset the microcontroller or other system components.
Q: Can TPS3307-18DGNG4 be used with different voltage levels? A: Yes, TPS3307-18DGNG4 has an adjustable threshold feature that allows it to be used with different voltage levels by setting the appropriate resistor values.
Q: What is the typical current consumption of TPS3307-18DGNG4? A: The typical current consumption of TPS3307-18DGNG4 is very low, typically around 5µA.
Q: Does TPS3307-18DGNG4 have any built-in delay for the reset signal? A: Yes, TPS3307-18DGNG4 has a fixed delay of approximately 200ms to ensure stable power supply before releasing the reset signal.
Q: Can TPS3307-18DGNG4 be used in battery-powered applications? A: Yes, TPS3307-18DGNG4's low current consumption makes it suitable for battery-powered applications where power efficiency is crucial.
Q: Is TPS3307-18DGNG4 available in different package options? A: Yes, TPS3307-18DGNG4 is available in various package options, including SOIC and VSSOP.
Q: Are there any application notes or reference designs available for TPS3307-18DGNG4? A: Yes, Texas Instruments provides application notes and reference designs that can help users understand and implement TPS3307-18DGNG4 in their technical solutions effectively.
Please note that these answers are general and may vary depending on the specific requirements and use cases. It is always recommended to refer to the datasheet and relevant documentation for accurate information.