Overview
The TPS3823-30DBVT is a voltage supervisor IC from Texas Instruments, designed to provide circuit initialization and timing supervision primarily for DSP and processor-based systems. This device is part of the TPS382x family, which ensures proper system reset and monitoring during power-on and operation. The TPS3823-30DBVT features a power-on reset generator, manual reset input, and a watchdog timer, making it a comprehensive solution for system supervision.
Key Specifications
| Parameter | 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 |
| Threshold Voltage | 2.63 V |
| Reset Output | Active Low, Push-Pull, Totem Pole |
| Reset Timeout | Minimum 120 ms |
| Watchdog Timer | 1.6 seconds |
| Supply Current | 15 µA (typical) |
| Mounting Type | Surface Mount |
Key Features
- Power-on reset generator with a fixed delay time of 200 ms
- Manual reset input
- Reset output available in active-low, push-pull configuration
- Supply voltage supervision with thresholds at 2.5 V, 3 V, 3.3 V, and 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
Applications
The TPS3823-30DBVT is suitable for various applications requiring robust system supervision, including:
- DSP and processor-based systems
- Automotive systems
- Industrial control systems
- Embedded systems
- Any system requiring reliable power-on reset and watchdog functionality
Q & A
- What is the primary function of the TPS3823-30DBVT?
The primary function is to provide circuit initialization and timing supervision, ensuring proper system reset during power-on and operation.
- What is the package type and pin count of the TPS3823-30DBVT?
The device is packaged in a 5-pin SOT-23 (DBV) package.
- What are the available reset output configurations for the TPS3823-30DBVT?
The reset output is available in active-low, push-pull configuration.
- What is the typical supply current of the TPS3823-30DBVT?
The typical supply current is 15 µA.
- What is the operating temperature range of the TPS3823-30DBVT?
The operating temperature range is -40°C to 85°C (−40°C to 125°C for TPS3823A-33).
- Does the TPS3823-30DBVT have a watchdog timer?
Yes, it has a watchdog timer with a timeout option of 1.6 seconds.
- What are the threshold voltages for supply voltage supervision?
The threshold voltages are 2.5 V, 3 V, 3.3 V, and 5 V.
- Is the TPS3823-30DBVT RoHS compliant?
Yes, the device is RoHS compliant.
- What is the minimum reset timeout for the TPS3823-30DBVT?
The minimum reset timeout is 120 ms.
- Does the TPS3823-30DBVT require external components for operation?
No, it does not require external components for operation.
