Overview
The TPS3823-33DBVTG4 is a voltage supervisor IC produced by Texas Instruments. It belongs to the TPS382x family of supervisors, designed to provide circuit initialization and timing supervision, particularly for DSP and processor-based systems. This device ensures proper system reset and monitoring of the supply voltage, making it essential for reliable system operation.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package | SOT-23 (DBV) | 5 pins |
| Operating Temperature Range | -40°C to 85°C (−40°C to 125°C for TPS3823A-33) | |
| Supply Voltage Supervision Range | 2.5 V, 3 V, 3.3 V, 5 V | |
| Watchdog Timer | 1.6 seconds | |
| Reset Output | Active-low, push-pull | |
| Manual Reset Input | Available | |
| Supply Current | 15 µA (typical) | |
| Threshold On-Voltage | 2.93 V |
Key Features
- Power-on reset generator with a fixed delay time of 200 ms.
- Manual reset input to force a reset.
- Reset output available in active-low, push-pull configuration.
- Supply voltage supervision with a range of 2.5 V, 3 V, 3.3 V, and 5 V.
- Watchdog timer with a time out of 1.6 seconds.
- Low supply current of 15 µA (typical).
- Compact 5-pin SOT-23 package.
- Operating temperature range of -40°C to 85°C.
Applications
The TPS3823-33DBVTG4 is primarily used in DSP and processor-based systems to ensure proper circuit initialization and timing supervision. It is suitable for various applications requiring reliable power-on reset and watchdog functionality, such as:
- DSP and processor-based systems.
- Embedded systems requiring robust power management.
- Industrial control systems.
- Automotive electronics.
Q & A
- What is the primary function of the TPS3823-33DBVTG4?
The primary function is to provide circuit initialization and timing supervision, including power-on reset and watchdog timer functionality.
- What is the package type and pin count of the TPS3823-33DBVTG4?
The package type is SOT-23 (DBV) with 5 pins.
- What is the operating temperature range of the TPS3823-33DBVTG4?
The operating temperature range is -40°C to 85°C (−40°C to 125°C for TPS3823A-33).
- What are the available reset output configurations?
The reset output is available in active-low, push-pull configuration.
- Does the TPS3823-33DBVTG4 have a manual reset input?
Yes, it has a manual reset input.
- What is the typical supply current of the TPS3823-33DBVTG4?
The typical supply current is 15 µA.
- What is the watchdog timer time out for the TPS3823-33DBVTG4?
The watchdog timer time out is 1.6 seconds.
- What is the threshold on-voltage for the TPS3823-33DBVTG4?
The threshold on-voltage is 2.93 V.
- In what types of systems is the TPS3823-33DBVTG4 typically used?
It is typically used in DSP and processor-based systems.
- Are any external components required for the TPS3823-33DBVTG4 to function?
No external components are required.
