Overview
The TPS3808G01DBVT is a voltage supervisor IC from Texas Instruments (TI) designed to provide overvoltage and undervoltage monitoring with adjustable threshold voltages. This device is part of the TPS3808 family, known for its low quiescent current and programmable delay times, making it suitable for battery-powered applications and various industrial uses. The TPS3808G01DBVT operates in a wide temperature range of -40°C to 125°C and is available in the SOT-23-6 package, which is ideal for small-scale applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of supplies monitored | 1 | |
| Threshold voltage (typ) | 0.405, 0.84, 1.16, 1.4, 1.67, 1.77, 2.33, 2.79, 3.07, 4.65 | V |
| Reset threshold accuracy | 2% | |
| Quiescent current (typ) | 2.4 μA | μA |
| Supply voltage (min) | 1.7 | V |
| Supply voltage (max) | 6.5 | V |
| Output driver type/reset output | Active-low, Open-drain | |
| Operating temperature range | -40°C to 125°C | °C |
| Package/Case | SOT-23-6 |
Key Features
- Voltage Supervisor: Provides overvoltage and undervoltage monitoring with adjustable threshold voltages.
- Programmable Delay: The reset delay time can be set to 20 ms, 300 ms, or user-adjusted between 1.25 ms and 10 s using an external capacitor.
- Manual Reset: Capable of manual reset by driving the MR pin low.
- Low Quiescent Current: Typical quiescent current of 2.4 μA, making it suitable for battery-powered applications.
- Compact Package: Available in the SOT-23-6 package, ideal for small-scale applications.
- Wide Temperature Range: Fully specified over a temperature range of -40°C to 125°C.
Applications
- Battery Management Systems: Monitors battery voltages to ensure safe operation.
- Industrial Automation: Used in industrial control systems to monitor power supplies.
- Automotive Systems: Suitable for automotive applications due to its wide temperature range and reliability.
- Power Supply Monitoring: Monitors power supply voltages to prevent system failures.
- Home Appliances: Used in home appliances to ensure reliable power supply monitoring.
- Medical Devices: Applied in medical devices for critical voltage monitoring.
- Consumer Electronics: Used in various consumer electronics for power management.
- IoT Devices: Suitable for IoT devices due to its low power consumption and compact size.
Q & A
- What is the typical quiescent current of the TPS3808G01DBVT?
The typical quiescent current is 2.4 μA.
- What are the available reset delay times for the TPS3808G01DBVT?
The reset delay times can be set to 20 ms, 300 ms, or user-adjusted between 1.25 ms and 10 s using an external capacitor.
- What is the operating temperature range of the TPS3808G01DBVT?
The operating temperature range is -40°C to 125°C.
- What package type is the TPS3808G01DBVT available in?
The device is available in the SOT-23-6 package.
- Can the TPS3808G01DBVT be used for manual reset?
Yes, it is capable of manual reset by driving the MR pin low.
- What are some common applications of the TPS3808G01DBVT?
Common applications include battery management systems, industrial automation, automotive systems, power supply monitoring, home appliances, medical devices, consumer electronics, and IoT devices.
- How accurate is the reset threshold voltage of the TPS3808G01DBVT?
The reset threshold accuracy is 2%.
- What is the supply voltage range for the TPS3808G01DBVT?
The supply voltage range is from 1.7 V to 6.5 V.
- Is the TPS3808G01DBVT suitable for automotive applications?
Yes, it is suitable for automotive applications due to its wide temperature range and reliability.
- How does the TPS3808G01DBVT handle short negative transients on the SENSE pin?
The device is relatively immune to short negative transients on the SENSE pin, with sensitivity dependent on threshold overdrive.
