Overview
The TPS3823A-33DBVR is a voltage supervisor and reset IC manufactured by Texas Instruments. Designed for monitoring voltage levels in microcontrollers, microprocessors, and other digital systems, this product ensures reliable operation by providing a reset signal when the supply voltage falls below a specified threshold. The TPS3823A-33DBVR is particularly suited for applications requiring precise voltage monitoring and robust system protection. Its compact SOT-23 package and low power consumption make it an ideal choice for portable and battery-powered devices.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage Range | 1.15 to 6.5 | V | |
| Threshold Voltage | 3.08 | V | Fixed |
| Reset Timeout Period | 140 | ms | Typical |
| Quiescent Current | 1.6 | µA | Typical |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | SOT-23-5 | ||
| Output Type | Active-Low, Push-Pull | ||
| Manufacturer | Texas Instruments |
Key Features
- Precise Voltage Monitoring: Ensures system reliability by monitoring the supply voltage with a fixed threshold of 3.08V.
- Low Power Consumption: Typical quiescent current of 1.6µA, making it suitable for battery-powered applications.
- Compact Package: Available in a small SOT-23-5 package, ideal for space-constrained designs.
- Wide Operating Temperature Range: Operates reliably in environments ranging from -40°C to 125°C.
- Active-Low Reset Output: Provides a push-pull output for direct interfacing with microcontrollers and other digital systems.
Applications
The TPS3823A-33DBVR is widely used in applications requiring voltage supervision and system reset functionality. Common use cases include:
- Microcontroller Systems: Ensures proper initialization and operation by monitoring the supply voltage.
- Portable Electronics: Provides reliable voltage monitoring in battery-powered devices such as smartphones and tablets.
- Industrial Control Systems: Enhances system reliability in harsh industrial environments.
- Automotive Electronics: Monitors voltage levels in automotive control units to ensure safe operation.
- Embedded Systems: Offers robust protection for embedded applications, including IoT devices.
Q & A
1. What is the threshold voltage of the TPS3823A-33DBVR?
The threshold voltage is fixed at 3.08V.
2. What is the reset timeout period?
The typical reset timeout period is 140ms.
3. What is the operating temperature range?
The TPS3823A-33DBVR operates from -40°C to 125°C.
4. What is the quiescent current?
The typical quiescent current is 1.6µA.
5. What package does the TPS3823A-33DBVR come in?
It is available in a SOT-23-5 package.
6. Is the reset output active-low or active-high?
The reset output is active-low.
7. Can this IC be used in automotive applications?
Yes, it is suitable for automotive electronics due to its wide operating temperature range and robust design.
8. What is the supply voltage range?
The supply voltage range is 1.15V to 6.5V.
9. Is this IC suitable for battery-powered devices?
Yes, its low quiescent current makes it ideal for battery-powered applications.
10. Does it support push-pull output?
Yes, the TPS3823A-33DBVR features a push-pull output.
