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TPS3779BQDBVRQ1
Product Overview
Category
The TPS3779BQDBVRQ1 belongs to the category of voltage supervisors.
Use
It is primarily used for monitoring and supervising voltage levels in electronic systems.
Characteristics
- Voltage threshold detection
- Precision voltage reference
- Low quiescent current
- Wide operating voltage range
Package
The TPS3779BQDBVRQ1 comes in a small SOT-23 package.
Essence
The essence of the TPS3779BQDBVRQ1 is its ability to accurately monitor voltage levels and provide reliable supervision in various applications.
Packaging/Quantity
This product is typically packaged in reels, with 3000 units per reel.
Specifications
- Supply voltage range: 1.8V to 6.5V
- Operating temperature range: -40°C to +125°C
- Quiescent current: 2µA (typical)
- Threshold voltage options: 1.8V, 2.5V, 3.0V, 3.3V, 5.0V
Detailed Pin Configuration
The TPS3779BQDBVRQ1 has the following pin configuration:
- GND (Ground)
- VDD (Supply Voltage)
- RESET (Reset Output)
Functional Features
- Accurate voltage monitoring
- Adjustable threshold voltage
- Open-drain reset output
- Power-on reset delay
- Manual reset input
Advantages and Disadvantages
Advantages
- Wide supply voltage range allows for versatile use
- Low quiescent current minimizes power consumption
- Adjustable threshold voltage provides flexibility
- Small package size enables space-saving designs
Disadvantages
- Limited threshold voltage options may not suit all applications
- Lack of integrated hysteresis may require additional circuitry for noise immunity
Working Principles
The TPS3779BQDBVRQ1 operates by comparing the input voltage with a reference voltage. When the input voltage falls below the threshold voltage, the reset output is activated, indicating a power failure or abnormal voltage condition.
Detailed Application Field Plans
The TPS3779BQDBVRQ1 finds applications in various fields, including:
- Power supply monitoring in industrial control systems
- Battery voltage supervision in portable devices
- Overvoltage protection in automotive electronics
- Voltage monitoring in communication equipment
Detailed and Complete Alternative Models
- TPS3700: Offers integrated hysteresis for improved noise immunity.
- MAX823: Provides adjustable threshold voltage options and integrated power-on reset delay.
- ADM6315: Features a manual reset input and wide operating temperature range.
These alternative models offer similar functionality to the TPS3779BQDBVRQ1 and can be considered based on specific application requirements.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng TPS3779BQDBVRQ1 trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of TPS3779BQDBVRQ1 in technical solutions:
1. What is the TPS3779BQDBVRQ1? - The TPS3779BQDBVRQ1 is a voltage supervisor and watchdog timer IC designed for monitoring power supply voltages in automotive and industrial applications.
2. What is the operating voltage range of TPS3779BQDBVRQ1? - The TPS3779BQDBVRQ1 operates within a voltage range of 1.8V to 5.5V.
3. How does TPS3779BQDBVRQ1 monitor power supply voltages? - TPS3779BQDBVRQ1 monitors power supply voltages by comparing them to a programmable threshold voltage. It asserts an output when the voltage falls below the threshold.
4. Can TPS3779BQDBVRQ1 be used as a reset generator? - Yes, TPS3779BQDBVRQ1 can be used as a reset generator by connecting its output to the reset pin of a microcontroller or other digital devices.
5. What is the purpose of the watchdog timer feature in TPS3779BQDBVRQ1? - The watchdog timer feature in TPS3779BQDBVRQ1 ensures that the system resets if it fails to receive a periodic signal from the microcontroller or other devices. It helps prevent system lock-ups.
6. What is the typical reset time delay of TPS3779BQDBVRQ1? - The typical reset time delay of TPS3779BQDBVRQ1 is 200ms.
7. Can TPS3779BQDBVRQ1 be used in automotive applications? - Yes, TPS3779BQDBVRQ1 is specifically designed for automotive applications and meets the AEC-Q100 Grade 3 qualification.
8. Does TPS3779BQDBVRQ1 have an adjustable threshold voltage? - Yes, TPS3779BQDBVRQ1 has an adjustable threshold voltage that can be programmed using external resistors.
9. What is the operating temperature range of TPS3779BQDBVRQ1? - The operating temperature range of TPS3779BQDBVRQ1 is -40°C to +125°C.
10. Is TPS3779BQDBVRQ1 available in a small package? - Yes, TPS3779BQDBVRQ1 is available in a small SOT-23 package, making it suitable for space-constrained applications.
Please note that these answers are general and may vary depending on the specific application and requirements.