Overview
The TL7705ACDG4 is a voltage supervisor integrated circuit (IC) manufactured by Texas Instruments. This product is designed to monitor power supply voltages and provide a reset signal to microcontrollers, microprocessors, or other digital systems when the voltage falls below a predefined threshold. It is widely used in applications requiring reliable power management and system reset functionality. The TL7705ACDG4 is particularly suitable for industrial, automotive, and consumer electronics due to its precision, low power consumption, and robust performance. Its unique selling points include adjustable reset threshold voltage, wide operating voltage range, and high reliability in harsh environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage Range | 1.8 to 18 | V | Wide operating range |
| Reset Threshold Voltage | Adjustable | V | User-configurable |
| Reset Timeout Period | 100 | ms | Fixed timeout |
| Operating Temperature Range | -40 to 125 | °C | Industrial-grade |
| Quiescent Current | 50 | µA | Low power consumption |
| Package Type | SOIC-8 | - | Surface mount |
| Output Type | Active-Low Reset | - | Compatible with most microcontrollers |
Key Features
- Adjustable Reset Threshold: Allows customization for specific voltage monitoring requirements.
- Wide Operating Voltage Range: Supports applications from 1.8V to 18V.
- Low Quiescent Current: Ideal for battery-powered and energy-efficient systems.
- Industrial Temperature Range: Ensures reliable operation in harsh environments.
- Fixed Reset Timeout: Provides a consistent reset signal duration.
Applications
The TL7705ACDG4 is widely used in various industries due to its robust performance and precision. Key application areas include:
- Industrial Automation: Ensures reliable operation of control systems and PLCs.
- Automotive Electronics: Monitors power supply in ECUs and infotainment systems.
- Consumer Electronics: Provides reset functionality in smart home devices and IoT products.
- Embedded Systems: Protects microcontrollers and processors from voltage fluctuations.
Q & A
1. What is the purpose of the TL7705ACDG4?
The TL7705ACDG4 is a voltage supervisor IC that monitors power supply voltages and generates a reset signal when the voltage falls below a predefined threshold.
2. What is the operating voltage range of the TL7705ACDG4?
The operating voltage range is from 1.8V to 18V.
3. Can the reset threshold voltage be adjusted?
Yes, the reset threshold voltage is user-configurable.
4. What is the reset timeout period?
The reset timeout period is fixed at 100ms.
5. Is the TL7705ACDG4 suitable for automotive applications?
Yes, it is designed to operate reliably in automotive environments.
6. What is the quiescent current of the TL7705ACDG4?
The quiescent current is 50µA, making it suitable for low-power applications.
7. What package type does the TL7705ACDG4 come in?
It is available in an SOIC-8 package.
8. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
9. Does the TL7705ACDG4 support active-low reset output?
Yes, it provides an active-low reset signal.
10. Where can I find the datasheet for the TL7705ACDG4?
The datasheet can be downloaded from the official Texas Instruments website or authorized distributors like Digi-Key or Mouser.
