Overview
The TPS3824-33DBVR is a low-power, miniature voltage supervisor manufactured by Texas Instruments. Designed to monitor power supply voltages, this device ensures system stability and safety by triggering a reset when the voltage falls below or rises above a predefined threshold. It is particularly suited for applications requiring reliable power monitoring and reset functionality, such as microcontrollers, microprocessors, and other electronic systems. The TPS3824-33DBVR is housed in a compact SOT-23 package, making it ideal for space-constrained designs. Its ultra-low power consumption and high stability make it a competitive choice for low-power and battery-operated applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Operating Voltage Range | 0.7 to 10 | V | |
| Reset Logic Output | Low | Active low reset | |
| Reset Threshold Voltage | 3.3 | V | |
| Reset Delay Time | 200 | ms | |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | SOT-23 | 5-pin |
Key Features
- Ultra-low power consumption: Only 1.5 µA in standby mode, ideal for low-power applications.
- Built-in reset circuit: Provides reliable reset functionality when the supply voltage drops below the threshold.
- Simple external circuitry: Requires only a power supply and the monitored voltage, eliminating the need for additional components.
- High stability: Features low reset threshold voltage offset and temperature drift for consistent performance.
- Fast reset time: Reset delay time of 200 ms ensures quick response to voltage anomalies.
Applications
The TPS3824-33DBVR is widely used in applications requiring power monitoring and reset functionality, including microcontroller and microprocessor systems, sensors, wireless communication devices, battery-powered devices, industrial control systems, and instrumentation. Its compact size and low power consumption make it particularly suitable for portable and space-constrained designs.
Q & A
1. What is the purpose of the TPS3824-33DBVR?
The TPS3824-33DBVR is a voltage supervisor that monitors power supply voltages and triggers a reset when the voltage falls below or rises above a predefined threshold, ensuring system stability.
2. What is the operating voltage range of the TPS3824-33DBVR?
The operating voltage range is 0.7 V to 10 V.
3. What is the reset threshold voltage?
The reset threshold voltage is 3.3 V.
4. How long is the reset delay time?
The reset delay time is 200 ms.
5. What is the package type of the TPS3824-33DBVR?
It is housed in a SOT-23 package with 5 pins.
6. What is the typical standby current of the TPS3824-33DBVR?
The standby current is 1.5 µA.
7. What are the key features of the TPS3824-33DBVR?
Key features include ultra-low power consumption, built-in reset circuitry, simple external circuitry, high stability, and fast reset time.
8. In what applications is the TPS3824-33DBVR commonly used?
It is commonly used in microcontroller systems, sensors, wireless communication devices, battery-powered devices, industrial control systems, and instrumentation.
9. What is the operating temperature range of the TPS3824-33DBVR?
The operating temperature range is -40°C to +125°C.
10. Does the TPS3824-33DBVR require external components for operation?
No, it requires only a power supply and the monitored voltage, eliminating the need for additional external components.
