Overview
The TPS3831K33DQNR is a high-performance voltage supervisor produced by Texas Instruments. This component is designed to monitor voltage levels in electronic systems, ensuring reliable operation by providing a reset signal when the voltage falls below a predefined threshold. The TPS3831K33DQNR is part of Texas Instruments' extensive portfolio of power management solutions, targeting applications in industrial, automotive, and consumer electronics. Its compact size, low power consumption, and high accuracy make it a competitive choice for designers seeking robust voltage monitoring solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Type | Active-Low Reset | - | - |
| Threshold Voltage | 3.3 | V | ±1.5% accuracy |
| Supply Voltage Range | 1.1 to 6.5 | V | - |
| Quiescent Current | 1.1 | µA | Typical |
| Operating Temperature Range | -40 to 125 | °C | - |
| Package | SOT-23-5 | - | - |
| Reset Timeout Period | 200 | ms | Typical |
| Accuracy | ±1.5 | % | Over temperature |
Key Features
- Low Quiescent Current: Ensures minimal power consumption, making it ideal for battery-powered applications.
- High Accuracy: ±1.5% threshold accuracy over temperature ensures reliable voltage monitoring.
- Wide Supply Voltage Range: Operates from 1.1V to 6.5V, providing flexibility in various applications.
- Compact Package: SOT-23-5 package enables space-efficient designs.
- Reset Timeout: Integrated 200ms reset timeout period simplifies system design.
Applications
The TPS3831K33DQNR is widely used in applications requiring precise voltage monitoring. In industrial automation, it ensures the stability of control systems by providing reliable reset signals. In automotive electronics, it enhances safety by monitoring critical voltage levels in engine control units and infotainment systems. Additionally, it is employed in consumer electronics, such as smart home devices and wearables, to maintain consistent performance in battery-powered applications.
Q & A
1. What is the purpose of the TPS3831K33DQNR?
The TPS3831K33DQNR is a voltage supervisor that monitors the supply voltage and provides a reset signal when the voltage falls below a predefined threshold, ensuring system reliability.
2. What is the threshold voltage of the TPS3831K33DQNR?
The threshold voltage is 3.3V with an accuracy of ±1.5%.
3. What is the supply voltage range for this component?
The supply voltage range is from 1.1V to 6.5V.
4. How much current does the TPS3831K33DQNR consume?
The quiescent current is typically 1.1µA.
5. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
6. What package does the TPS3831K33DQNR come in?
It is available in a SOT-23-5 package.
7. What is the reset timeout period?
The reset timeout period is typically 200ms.
8. Is the TPS3831K33DQNR suitable for automotive applications?
Yes, it is suitable for automotive applications due to its wide operating temperature range and high reliability.
9. Can this component be used in battery-powered devices?
Yes, its low quiescent current makes it ideal for battery-powered devices.
10. What is the accuracy of the threshold voltage?
The threshold voltage accuracy is ±1.5% over the operating temperature range.
