Overview
The TPS3820-50DBVT is a voltage supervisor and reset IC manufactured by Texas Instruments. Designed for applications requiring precise voltage monitoring, this component ensures reliable system operation by providing a reset signal when the supply voltage falls below a specified threshold. It is particularly suited for use in microcontrollers, DSPs, and industrial equipment. The TPS3820-50DBVT features a fixed reset threshold of 4.55V, a low supply current of 15 µA, and a compact SOT-23-5 package, making it an ideal choice for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Model | TPS3820-50DBVT | - | - |
| Manufacturer | Texas Instruments | - | - |
| Reset Threshold | 4.55 | V | - |
| Reset Pulse Width | 25 | ms | Minimum |
| Supply Current | 15 | µA | Typical |
| Operating Temperature | -40 to 85 | °C | - |
| Package | SOT-23-5 | - | - |
Key Features
- Fixed reset threshold of 4.55V for precise voltage monitoring.
- Low supply current of 15 µA, ideal for power-sensitive applications.
- Compact SOT-23-5 package for space-constrained designs.
- Manual reset input for additional control flexibility.
- Wide operating temperature range of -40°C to 85°C, suitable for industrial environments.
Applications
The TPS3820-50DBVT is widely used in various applications, including industrial automation, consumer electronics, and automotive systems. Its ability to monitor voltage levels and provide a reliable reset signal makes it essential for ensuring the stability and reliability of microcontrollers, DSPs, and other critical components. In industrial equipment, it helps prevent system failures due to voltage fluctuations, while in automotive systems, it enhances safety by ensuring proper system initialization.
Q & A
1. What is the reset threshold voltage of the TPS3820-50DBVT?
The reset threshold voltage is 4.55V.
2. What is the typical supply current of this IC?
The typical supply current is 15 µA.
3. What package does the TPS3820-50DBVT come in?
It comes in a compact SOT-23-5 package.
4. Does this IC support manual reset input?
Yes, it includes a manual reset input for additional control.
5. What is the operating temperature range of the TPS3820-50DBVT?
The operating temperature range is -40°C to 85°C.
6. Is this IC suitable for automotive applications?
Yes, it is suitable for automotive systems due to its reliability and wide temperature range.
7. What is the minimum reset pulse width?
The minimum reset pulse width is 25 ms.
8. Can this IC be used in industrial equipment?
Yes, it is ideal for industrial equipment requiring precise voltage monitoring.
9. Does the TPS3820-50DBVT have a watchdog timer?
No, this model does not include a watchdog timer.
10. What is the main advantage of using this IC in space-constrained designs?
Its compact SOT-23-5 package makes it highly suitable for space-constrained designs.
