Overview
The TPS3825-50DBVT, produced by Texas Instruments, is a voltage supervisor IC designed to provide circuit initialization and timing supervision. This component is part of the TPS382x family, which is primarily used in DSP and processor-based systems. It ensures proper system reset by monitoring the supply voltage and asserting the RESET signal when the voltage drops below a specified threshold. The TPS3825-50DBVT is packaged in a 5-pin SOT-23 package and operates over a temperature range of -40°C to 85°C.
Key Specifications
| Specification | Value |
|---|---|
| Package | 5-pin SOT-23 (DBV) |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage Supervision Range | 2.5 V, 3 V, 3.3 V, 5 V |
| Reset Output | Active-low, Active-high |
| Watchdog Timer | 200 ms (TPS3825), 1.6 s (other models) |
| Supply Current | 15 µA (typical) |
| Manual Reset Input | Available |
| Power-on Reset Delay Time | 200 ms |
Key Features
- Power-on reset generator with a fixed delay time of 200 ms
- Manual reset input
- Reset output available in active-low and active-high configurations
- Supply voltage supervision range: 2.5 V, 3 V, 3.3 V, 5 V
- Watchdog timer option (200 ms for TPS3825)
- Low supply current of 15 µA (typical)
- Compact 5-pin SOT-23 package
- Operating temperature range: -40°C to 85°C
Applications
The TPS3825-50DBVT is designed for use in various electronic systems, particularly those involving DSP and processor-based architectures. It is suitable for applications requiring reliable power-on reset and supply voltage monitoring, such as:
- Embedded systems
- Industrial control systems
- Automotive electronics
- Consumer electronics
- Medical devices
Q & A
- What is the primary function of the TPS3825-50DBVT?
The primary function is to provide circuit initialization and timing supervision, ensuring proper system reset through supply voltage monitoring. - What is the package type of the TPS3825-50DBVT?
The package type is a 5-pin SOT-23 (DBV). - What is the operating temperature range of the TPS3825-50DBVT?
The operating temperature range is -40°C to 85°C. - Does the TPS3825-50DBVT have a watchdog timer?
Yes, it has a watchdog timer option, specifically 200 ms for the TPS3825 model. - What are the available reset output configurations for the TPS3825-50DBVT?
The reset output is available in active-low and active-high configurations. - What is the typical supply current of the TPS3825-50DBVT?
The typical supply current is 15 µA. - Is the TPS3825-50DBVT still in production?
No, the TPS3825-50DBVT is obsolete and no longer in production. - What are the supply voltage supervision ranges for the TPS3825-50DBVT?
The supply voltage supervision ranges are 2.5 V, 3 V, 3.3 V, and 5 V. - Does the TPS3825-50DBVT require external components for operation?
No, it does not require external components for operation. - What is the power-on reset delay time for the TPS3825-50DBVT?
The power-on reset delay time is 200 ms.
