Overview
The TPS3839K33DQNR is a high-performance voltage supervisor IC produced by Texas Instruments. Designed for precision monitoring of power supply voltages, this device ensures reliable system operation by providing accurate reset signals during power-up, power-down, and brownout conditions. The TPS3839K33DQNR is particularly suited for applications requiring low power consumption and high accuracy, making it an ideal choice for embedded systems, industrial automation, and consumer electronics. Its compact package and robust performance make it a competitive solution in the voltage supervisor market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 1.1 to 6.5 | V | |
| Threshold Voltage | 3.3 | V | ±1.5% accuracy |
| Quiescent Current | 1.5 | µA | Typical |
| Reset Timeout Period | 200 | ms | Fixed |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | SOT-23-5 | Small form factor |
Key Features
- High Accuracy: ±1.5% threshold voltage accuracy ensures reliable monitoring.
- Low Power Consumption: Quiescent current of 1.5 µA minimizes energy usage.
- Compact Design: SOT-23-5 package saves board space.
- Fixed Reset Timeout: 200 ms reset timeout period simplifies design.
- Wide Voltage Range: Supports input voltages from 1.1 V to 6.5 V.
Applications
The TPS3839K33DQNR is widely used in various industries due to its precision and reliability. Key application areas include:
- Embedded Systems: Ensures stable operation during power transitions.
- Industrial Automation: Monitors power supplies in control systems.
- Consumer Electronics: Provides reliable reset signals in portable devices.
- Automotive Electronics: Supports voltage monitoring in automotive applications.
Q & A
1. What is the purpose of the TPS3839K33DQNR?
The TPS3839K33DQNR is a voltage supervisor IC designed to monitor power supply voltages and provide accurate reset signals during power-up, power-down, and brownout conditions.
2. What is the input voltage range of the TPS3839K33DQNR?
The input voltage range is 1.1 V to 6.5 V.
3. How accurate is the threshold voltage?
The threshold voltage accuracy is ±1.5%.
4. What is the quiescent current of the TPS3839K33DQNR?
The quiescent current is typically 1.5 µA.
5. What is the reset timeout period?
The reset timeout period is fixed at 200 ms.
6. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
7. What package does the TPS3839K33DQNR come in?
It comes in a SOT-23-5 package.
8. Is the TPS3839K33DQNR suitable for automotive applications?
Yes, it is suitable for automotive electronics due to its robust performance and wide operating temperature range.
9. Can the TPS3839K33DQNR be used in portable devices?
Yes, its low power consumption and compact design make it ideal for portable devices.
10. Where can I find the datasheet for the TPS3839K33DQNR?
The datasheet can be found on the official Texas Instruments website or authorized distributors like Digi-Key, Mouser, and Arrow Electronics.
