Overview
The TPS3125J18DBVT is a voltage supervisor integrated circuit (IC) produced by Texas Instruments. Designed for precision monitoring of power supply voltages, this IC ensures reliable system operation by providing accurate reset signals during power-up, power-down, and brownout conditions. The TPS3125J18DBVT is particularly suited for applications requiring robust power management in industrial, automotive, and consumer electronics. Its compact SOT-23 package and low quiescent current make it an ideal choice for space-constrained and power-sensitive designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage Range | 0.7 to 5.5 | V | |
| Threshold Voltage | 1.8 | V | ±1.5% accuracy |
| Quiescent Current | 1.2 | µA | Typical |
| Reset Timeout Period | 200 | ms | Fixed |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | SOT-23-5 | DBV |
Key Features
- Precision Monitoring: Provides accurate voltage supervision with ±1.5% threshold accuracy.
- Low Power Consumption: Quiescent current of 1.2 µA ensures minimal power drain.
- Compact Design: SOT-23-5 package is ideal for space-constrained applications.
- Wide Operating Range: Supports supply voltages from 0.7 V to 5.5 V.
- Robust Performance: Operates reliably in harsh environments with a temperature range of -40°C to +125°C.
Applications
The TPS3125J18DBVT is widely used in applications requiring precise voltage monitoring and reliable reset functionality. Typical use cases include:
- Industrial Automation: Ensures stable operation of control systems and sensors.
- Automotive Electronics: Monitors power supply integrity in infotainment and safety systems.
- Consumer Electronics: Provides power management in portable devices and home appliances.
- Embedded Systems: Guarantees proper initialization and operation of microcontrollers and processors.
Q & A
1. What is the primary function of the TPS3125J18DBVT?
The TPS3125J18DBVT is a voltage supervisor IC that monitors power supply voltages and provides reset signals during power-up, power-down, and brownout conditions.
2. What is the threshold voltage accuracy of this IC?
The threshold voltage accuracy is ±1.5%.
3. What is the operating voltage range of the TPS3125J18DBVT?
It operates within a supply voltage range of 0.7 V to 5.5 V.
4. How much quiescent current does it consume?
The typical quiescent current is 1.2 µA.
5. What is the reset timeout period?
The reset timeout period is fixed at 200 ms.
6. What package does the TPS3125J18DBVT come in?
It is available in a SOT-23-5 package.
7. Can it operate in harsh environments?
Yes, it operates reliably in temperatures ranging from -40°C to +125°C.
8. Is this IC suitable for automotive applications?
Yes, it is well-suited for automotive electronics, including infotainment and safety systems.
9. What are the key advantages of this IC?
Key advantages include precision monitoring, low power consumption, compact design, and robust performance in harsh environments.
10. Where can I find detailed technical specifications?
Detailed technical specifications can be found in the official Texas Instruments datasheet for the TPS3125J18DBVT.
