Overview
The TPS3823-33DBVR, produced by Texas Instruments, is a voltage supervisor integrated circuit (IC) designed to provide circuit initialization and timing supervision, primarily for DSP and processor-based systems. This IC ensures proper system reset and monitoring of the supply voltage, making it essential for various electronic applications. It features a power-on reset generator, manual reset input, and a watchdog timer, all packaged in a compact 5-pin SOT-23 package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-23 (DBV) | - |
| Pins | 5 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Supply Voltage Range | 1.1 to 5.5 | V |
| Threshold Voltage (VIT-) | 2.93 | V |
| Reset Type | Active-Low, Push-Pull | - |
| Watchdog Timer | 1.6 s | - |
| Power-On Reset Delay | 200 ms | - |
| Supply Current (Typical) | 15 µA | - |
Key Features
- Power-on reset generator with a fixed delay time of 200 ms.
- Manual reset input to force a reset by pulling the MR pin low.
- Reset output available in active-low, push-pull configuration.
- Supply voltage supervision range: 2.5 V, 3 V, 3.3 V, 5 V.
- Watchdog timer with a timeout option of 1.6 s.
- Low supply current of 15 µA (typical).
- Compact 5-pin SOT-23 package.
- Operating temperature range: -40°C to 85°C (and up to 125°C for TPS3823A-33).
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 TPS3823-33DBVR?
The primary function of the TPS3823-33DBVR is to provide circuit initialization and timing supervision, ensuring proper system reset and monitoring of the supply voltage for DSP and processor-based systems.
- What is the package type and pin count of the TPS3823-33DBVR?
The TPS3823-33DBVR is packaged in a 5-pin SOT-23 package.
- What is the operating temperature range of the TPS3823-33DBVR?
The operating temperature range is -40°C to 85°C, and up to 125°C for the TPS3823A-33 variant.
- What are the available reset output configurations for the TPS3823-33DBVR?
The reset output is available in active-low, push-pull configuration.
- What is the watchdog timer timeout for the TPS3823-33DBVR?
The watchdog timer has a timeout option of 1.6 seconds.
- What is the typical supply current of the TPS3823-33DBVR?
The typical supply current is 15 µA.
- Does the TPS3823-33DBVR require external components for operation?
No, the TPS3823-33DBVR does not require external components for operation.
- What are some common applications of the TPS3823-33DBVR?
Common applications include DSPs, microcontrollers, industrial equipment, automotive systems, and portable electronics.
- What is the threshold voltage (VIT-) for the TPS3823-33DBVR?
The threshold voltage (VIT-) is 2.93 V.
- How does the manual reset input work on the TPS3823-33DBVR?
The manual reset input allows forcing a reset by pulling the MR pin low, keeping the RESET active low as long as MR is low and for the time-out period after MR goes high.
