Overview
The TLV840MADL08DBVR is a part of the TLV840 family of nano-quiescent current voltage supervisors produced by Texas Instruments. This device is designed to monitor voltage levels and provide a reset signal when the voltage drops below a predefined threshold. It is particularly suited for applications requiring low power consumption, high accuracy, and robust voltage monitoring.
The TLV840MADL08DBVR operates over a wide voltage range from 0.7 V to 6 V and features a very low supply current of 120 nA typical, making it ideal for battery-powered and low-power applications. The device is available in a SOT-23 5-pin package, which is a standard industry package, facilitating easy integration into various designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 0.7 to 6 | V |
| Supply Current (Typical) | 120 | nA |
| Fixed Threshold Voltage (VIT-) | 0.8 to 5.4 | V (in 100 mV steps) |
| Threshold Voltage Accuracy (Typical) | ±0.5% | % |
| Hysteresis (VHYS) (Typical) | 5% | % |
| Reset Time Delay (Minimum) | 40 µs (without capacitor) | µs |
| Output Topology | Open-drain, active-low (DL) | |
| Temperature Range | -40°C to +125°C | °C |
| Package | SOT23-5 (DBV) |
Key Features
- Programmable Reset Time Delay: The reset time delay can be set using an external capacitor connected to the CT pin, allowing for a wide range of delay times from 40 µs to approximately 6.2 seconds.
- Active-Low Manual Reset: The TLV840MADL08DBVR includes a manual reset feature, allowing the reset signal to be asserted by pulling the MR pin low.
- High Accuracy and Hysteresis: The device features high accuracy in monitoring the threshold voltage with ±0.5% typical accuracy and built-in hysteresis to prevent false triggering due to voltage transients.
- Low Power Consumption: With a nano-quiescent current of 120 nA typical, this device is highly suitable for low-power and battery-powered applications.
- Glitch Immunity and Power-On Reset: The TLV840MADL08DBVR includes built-in glitch immunity protection and a power-on reset feature to ensure reliable operation during power-up sequences.
- Multiple Output Topologies: Available in open-drain, active-low (DL) and other configurations, providing flexibility in design.
Applications
- Motor Drives: Used for monitoring and controlling motor drive systems.
- Factory Automation and Control: Suitable for industrial automation and control systems.
- Home Theater and Entertainment: Applied in consumer electronics requiring reliable voltage monitoring.
- Electronic Point of Sale: Used in POS systems to ensure stable operation.
- Grid Infrastructure: Utilized in grid-related equipment for voltage supervision.
- Data Center and Enterprise Computing: Employed in data center and enterprise computing systems for reliable power management.
- Multifunction Printer: Used in multifunction printers to monitor and control various voltage rails.
Q & A
- What is the operating voltage range of the TLV840MADL08DBVR?
The operating voltage range is from 0.7 V to 6 V.
- What is the typical supply current of the TLV840MADL08DBVR?
The typical supply current is 120 nA.
- How can the reset time delay be programmed in the TLV840MADL08DBVR?
The reset time delay can be programmed by connecting an external capacitor between the CT pin and ground.
- What is the minimum reset time delay without an external capacitor?
The minimum reset time delay without an external capacitor is 40 µs.
- Does the TLV840MADL08DBVR have a manual reset feature?
Yes, it includes an active-low manual reset feature.
- What is the typical threshold voltage accuracy of the TLV840MADL08DBVR?
The typical threshold voltage accuracy is ±0.5%.
- What is the temperature range of the TLV840MADL08DBVR?
The temperature range is from -40°C to +125°C.
- In what package is the TLV840MADL08DBVR available?
The device is available in a SOT23-5 (DBV) package.
- What are some common applications of the TLV840MADL08DBVR?
Common applications include motor drives, factory automation, home theater and entertainment systems, electronic point of sale, grid infrastructure, data center and enterprise computing, and multifunction printers.
- Does the TLV840MADL08DBVR have built-in glitch immunity protection?
Yes, it includes built-in glitch immunity protection for VDD.
