Overview
The TPS3823-25DBVRG4 is a voltage supervisor IC from Texas Instruments, designed to provide circuit initialization and timing supervision primarily for DSP and processor-based systems. This component is part of the TPS382x family and is packaged in a 5-pin SOT-23 (DBV) package. It features a power-on reset generator, manual reset input, and a watchdog timer, making it suitable for a variety of applications requiring reliable voltage monitoring and system reset capabilities.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-23 (DBV) | - |
| Pins | 5 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Supply Voltage Supervision Range | 2.5 V, 3 V, 3.3 V, 5 V | V |
| Watchdog Timer Timeout | 1.6 s | s |
| Power-on Reset Delay Time | 200 ms | ms |
| Supply Current (Typical) | 15 µA | µA |
| Reset Output Type | Active-low, Active-high, Open-drain | - |
Key Features
- Power-on reset generator with a fixed delay time of 200 ms
- Manual reset input to force a system reset
- 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 option of 1.6 seconds
- Low supply current of 15 µA (typical)
- Compact 5-pin SOT-23 package
- Operating temperature range: -40°C to 85°C
Applications
- DSPs, microcontrollers, or microprocessors
- Industrial equipment
- Programmable controls
- Automotive systems
- Portable and battery-powered equipment
- Intelligent instruments
- Wireless communications systems
- Notebook and desktop computers
Q & A
- What is the primary function of the TPS3823-25DBVRG4?
The primary function is to provide circuit initialization and timing supervision, including power-on reset and watchdog timer capabilities, for DSP and processor-based systems.
- What is the package type and pin count of the TPS3823-25DBVRG4?
The component is packaged in a 5-pin SOT-23 (DBV) package.
- What are the available reset output configurations for the TPS3823-25DBVRG4?
The reset output is available in active-low, active-high, and open-drain configurations.
- What is the watchdog timer timeout period for the TPS3823-25DBVRG4?
The watchdog timer timeout period is 1.6 seconds.
- What is the typical supply current of the TPS3823-25DBVRG4?
The typical supply current is 15 µA.
- What is the operating temperature range of the TPS3823-25DBVRG4?
The operating temperature range is -40°C to 85°C.
- Does the TPS3823-25DBVRG4 require external components for operation?
No, the device does not require external components for operation.
- What are some common applications for the TPS3823-25DBVRG4?
Common applications include DSPs, microcontrollers, industrial equipment, programmable controls, automotive systems, and more.
- How does the manual reset input function on the TPS3823-25DBVRG4?
The manual reset input allows for a system reset by pulling the MR pin low; the reset remains active low as long as MR is low and for the time-out period after MR goes high.
- What is the power-on reset delay time for the TPS3823-25DBVRG4?
The power-on reset delay time is 200 ms.
