Overview
The TLV809ED29DBZR is a 3-pin supply voltage supervisor produced by Texas Instruments. It is designed to monitor voltage levels in electronic systems, ensuring stable operation by generating a reset signal when the supply voltage falls below a specified threshold. This component is particularly useful in applications requiring reliable power management, such as factory automation, portable devices, and battery-powered systems. Its compact SOT-23 package and low power consumption make it an ideal choice for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of supplies monitored | 1 | - | - |
| Package | SOT-23 | - | 3-pin |
| Operating temperature range | -40 to 85 | °C | - |
| Supply current (typical) | 9 | µA | - |
| Time delay | 200 | ms | Fixed |
| VCC range | 2 to 6 | V | - |
| Threshold voltage (typical) | 2.25, 2.64, 2.93, 4.55 | V | Selectable |
| Reset threshold accuracy | ±2.2 | % | - |
| Output driver type | Active-low, Push-pull | - | - |
Key Features
- High accuracy voltage monitoring for reliable system operation.
- Low power consumption, ideal for battery-powered devices.
- Fixed time delay ensures stable reset signal generation.
- Compact SOT-23 package for space-constrained designs.
- Wide operating temperature range for industrial applications.
Applications
The TLV809ED29DBZR is widely used in various fields, including factory automation, portable devices, and battery-powered systems. In factory automation, it ensures stable operation of control systems by monitoring power supply levels. In portable devices, it enhances reliability by providing accurate voltage supervision. Additionally, it is employed in battery-powered systems to extend battery life and prevent unexpected shutdowns. Its versatility and robust design make it a preferred choice for engineers in diverse industries.
Q & A
1. What is the purpose of the TLV809ED29DBZR?
The TLV809ED29DBZR is a voltage supervisor that monitors supply voltage and generates a reset signal when the voltage falls below a specified threshold, ensuring system stability.
2. What is the operating temperature range of this component?
It operates within a temperature range of -40°C to +85°C, making it suitable for industrial applications.
3. What is the typical supply current of the TLV809ED29DBZR?
The typical supply current is 9µA, which is ideal for low-power applications.
4. What package does the TLV809ED29DBZR come in?
It is available in a compact 3-pin SOT-23 package.
5. What is the fixed time delay for the reset signal?
The fixed time delay is 200ms, ensuring a stable reset signal.
6. What is the VCC range for this component?
The VCC range is from 2V to 6V.
7. Can the threshold voltage be adjusted?
Yes, the threshold voltage is selectable with typical values of 2.25V, 2.64V, 2.93V, and 4.55V.
8. What is the reset threshold accuracy?
The reset threshold accuracy is ±2.2%.
9. What type of output driver does it use?
It uses an active-low, push-pull output driver.
10. What are the typical applications of the TLV809ED29DBZR?
Typical applications include factory automation, portable devices, battery-powered systems, and industrial control systems.
