Overview
The TPS3820-50DBVRG4, part of the TPS382x family of supervisors from Texas Instruments, is designed to provide circuit initialization and timing supervision primarily for DSP and processor-based systems. This component ensures proper system reset and monitoring of the supply voltage, making it essential for reliable operation in various electronic devices.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-23 (DBV) | - |
| Pins | 5 | - |
| Operating Temperature Range | -40°C to 85°C | °C |
| Supply Voltage Supervision Range | 2.5 V, 3 V, 3.3 V, 5 V | V |
| Power-On Reset Delay Time | 25 ms | ms |
| Watchdog Timer Timeout | 200 ms | ms |
| Supply Current | 15 µA (typical) | µA |
Key Features
- Power-on reset generator with a fixed delay time of 25 ms
- Manual reset input
- Reset output available in active-low, active-high, and open-drain configurations
- Supply voltage supervision range: 2.5 V, 3 V, 3.3 V, 5 V
- Watchdog timer with a timeout of 200 ms
- Low supply current of 15 µA (typical)
- Compact 5-pin SOT-23 package
- Operating temperature range: -40°C to 85°C
Applications
- DSPs (Digital Signal Processors)
- Microcontrollers and Microprocessors
- Industrial Equipment
- Programmable Controls
Q & A
- What is the primary function of the TPS3820-50DBVRG4?
The primary function is to provide circuit initialization and timing supervision, especially for DSP and processor-based systems.
- What is the package type of the TPS3820-50DBVRG4?
The package type is SOT-23 (DBV) with 5 pins.
- What is the operating temperature range of the TPS3820-50DBVRG4?
The operating temperature range is -40°C to 85°C.
- What are the available reset output configurations for the TPS3820-50DBVRG4?
The reset output is available in active-low, active-high, and open-drain configurations.
- What is the supply voltage supervision range of the TPS3820-50DBVRG4?
The supply voltage supervision range includes 2.5 V, 3 V, 3.3 V, and 5 V.
- What is the typical supply current of the TPS3820-50DBVRG4?
The typical supply current is 15 µA.
- Does the TPS3820-50DBVRG4 have a watchdog timer?
Yes, it has a watchdog timer with a timeout of 200 ms.
- What is the power-on reset delay time of the TPS3820-50DBVRG4?
The power-on reset delay time is 25 ms.
- Is manual reset input available on the TPS3820-50DBVRG4?
Yes, manual reset input is available.
- What are some common applications of the TPS3820-50DBVRG4?
Common applications include DSPs, microcontrollers, microprocessors, industrial equipment, and programmable controls.
