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TPS3305-18DGNG4
Product Overview
Category
The TPS3305-18DGNG4 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: The TPS3305-18DGNG4 ensures that the voltage levels remain within specified limits.
- Reset generation: It generates a reset signal when the voltage falls below or rises above the desired threshold.
- Low power consumption: The device operates with low power consumption, making it suitable for battery-powered applications.
- Wide operating temperature range: It can operate reliably across a wide temperature range, enhancing its versatility.
- Adjustable threshold: The voltage threshold can be adjusted to suit specific system requirements.
Package
The TPS3305-18DGNG4 comes in a small form factor package, which is designed to be easily integrated into electronic systems.
Essence
The essence of the TPS3305-18DGNG4 lies in its ability to monitor and control voltage levels, ensuring the stability and reliability of electronic systems.
Packaging/Quantity
The TPS3305-18DGNG4 is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.
Specifications
- Supply voltage range: 2.5V to 18V
- Threshold voltage options: 1.8V, 2.5V, 3.3V, 5V
- Operating temperature range: -40°C to +125°C
- Quiescent current: 10µA (typical)
- Output type: Active-low push-pull
- Power-on reset delay time: 200ms (typical)
Detailed Pin Configuration
The TPS3305-18DGNG4 has the following pin configuration:
- GND: Ground connection
- VDD: Supply voltage input
- MR: Manual reset input
- RESET: Active-low reset output
Functional Features
Voltage Monitoring
The TPS3305-18DGNG4 continuously monitors the supply voltage and compares it to the preset threshold. If the voltage falls below or rises above the threshold, it triggers a reset signal.
Reset Generation
When the voltage crosses the threshold, the TPS3305-18DGNG4 generates an active-low reset signal. This signal can be used to reset microcontrollers, digital logic circuits, or other system components.
Adjustable Threshold
The device allows for the adjustment of the voltage threshold to accommodate different system requirements. This flexibility enhances its compatibility with various applications.
Advantages and Disadvantages
Advantages
- Reliable voltage monitoring and reset generation
- Low power consumption
- Wide operating temperature range
- Adjustable threshold for customization
Disadvantages
- Limited threshold voltage options
- Requires external components for complete functionality
Working Principles
The TPS3305-18DGNG4 operates by comparing the supply voltage with the preset threshold voltage. It utilizes an internal voltage reference and comparator circuitry to monitor the voltage level continuously. When the voltage deviates from the threshold, the device generates a reset signal, ensuring the system's stability and preventing potential damage.
Detailed Application Field Plans
The TPS3305-18DGNG4 finds application in various fields, including:
- Automotive electronics: It ensures reliable voltage monitoring in automotive systems, preventing malfunctions and protecting sensitive components.
- Industrial automation: The device plays a crucial role in maintaining stable voltage levels in industrial control systems, enhancing their reliability.
- Consumer electronics: It is used in devices such as smartphones, tablets, and gaming consoles to ensure proper functioning and prevent data loss during voltage fluctuations.
Detailed and Complete Alternative Models
- TPS3305-33DGNG4: Similar to the TPS3305-18DGNG4, but with a threshold voltage of 3.3V.
- TPS3305-25DGNG4: Similar to the TPS3305-18DGNG4, but with a threshold voltage of 2.5V.
- TPS3305-50DGNG4: Similar to the TPS3305-18DGNG4, but with a threshold voltage of 5V.
These alternative models provide options for different voltage threshold requirements in various applications.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TPS3305-18DGNG4 en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of TPS3305-18DGNG4 in technical solutions:
Q: What is the TPS3305-18DGNG4? A: The TPS3305-18DGNG4 is a voltage supervisor and reset IC designed for monitoring power supply voltages in microcontroller-based systems.
Q: What is the operating voltage range of TPS3305-18DGNG4? A: The operating voltage range of TPS3305-18DGNG4 is from 1.8V to 6.5V.
Q: How many voltage thresholds can TPS3305-18DGNG4 monitor? A: TPS3305-18DGNG4 can monitor one voltage threshold.
Q: Can TPS3305-18DGNG4 generate a reset signal when the monitored voltage falls below a certain threshold? A: Yes, TPS3305-18DGNG4 can generate a reset signal when the monitored voltage falls below the programmed threshold.
Q: What is the typical reset time delay of TPS3305-18DGNG4? A: The typical reset time delay of TPS3305-18DGNG4 is 200ms.
Q: Does TPS3305-18DGNG4 have an adjustable reset threshold? A: No, TPS3305-18DGNG4 has a fixed reset threshold of 1.8V.
Q: Can TPS3305-18DGNG4 tolerate voltage transients or spikes? A: Yes, TPS3305-18DGNG4 has built-in hysteresis to tolerate voltage transients or spikes.
Q: What is the quiescent current consumption of TPS3305-18DGNG4? A: The quiescent current consumption of TPS3305-18DGNG4 is typically 10µA.
Q: Can TPS3305-18DGNG4 be used in battery-powered applications? A: Yes, TPS3305-18DGNG4 can be used in battery-powered applications due to its low quiescent current consumption.
Q: Is TPS3305-18DGNG4 available in a surface-mount package? A: Yes, TPS3305-18DGNG4 is available in a surface-mount package (8-pin VSSOP).