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TL7700CPG4
Product Overview
TL7700CPG4 belongs to the category of voltage supervisors. It is used to monitor the power supply voltage levels and provide a reset signal to the microcontroller or other digital systems when the voltage falls below a predefined threshold. The TL7700CPG4 is characterized by its low power consumption, small package size, and high accuracy. It is available in various package types such as PDIP, SOIC, and TSSOP, and is typically sold in reels or tubes.
Specifications
- Supply Voltage Range: 2.5V to 18V
- Reset Threshold Voltage Options: 4.55V, 4.75V, 4.85V, 4.95V
- Low Quiescent Current: 25µA
- Operating Temperature Range: -40°C to 125°C
- Output Drive Capability: 10mA
Detailed Pin Configuration
The TL7700CPG4 typically comes in an 8-pin package. The pin configuration is as follows: 1. VDD (Supply Voltage) 2. GND (Ground) 3. MR (Manual Reset) 4. RESET (Reset Output) 5. SENSE (Voltage Sense Input) 6. NC (No Connection) 7. GND (Ground) 8. VDD (Supply Voltage)
Functional Features
The TL7700CPG4 provides a precise reset output during power-up, power-down, and brownout conditions. It includes a manual reset input for external override and a low-power consumption mode, making it suitable for battery-powered applications.
Advantages and Disadvantages
Advantages
- Wide supply voltage range
- Low quiescent current
- Small package size
- Accurate reset threshold options
Disadvantages
- Limited output drive capability
- No built-in hysteresis
Working Principles
The TL7700CPG4 monitors the voltage at the SENSE pin and compares it to the internally set threshold voltage. When the voltage drops below the threshold, the RESET pin is asserted, indicating a reset condition. The device operates based on a voltage comparator and internal reference circuitry.
Detailed Application Field Plans
The TL7700CPG4 is commonly used in various applications including: - Microcontroller-based systems - Industrial control systems - Automotive electronics - Power management circuits - Battery-powered devices
Detailed and Complete Alternative Models
Some alternative models to TL7700CPG4 include: - MAX809 - ADM811 - MCP809 - TPS3808 - R3111
In summary, the TL7700CPG4 is a versatile voltage supervisor with wide application in diverse electronic systems, offering precise monitoring and reset capabilities within a compact and low-power design.
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What is TL7700CPG4?
- TL7700CPG4 is a voltage supervisor and reset IC that monitors the power supply voltage of a system and generates a reset signal when the voltage falls below a predefined threshold.
What is the operating voltage range of TL7700CPG4?
- The operating voltage range of TL7700CPG4 is typically 2.5V to 18V.
How does TL7700CPG4 help in system reliability?
- TL7700CPG4 helps improve system reliability by ensuring that the microcontroller or other critical components are reset properly in case of power supply fluctuations or brownout conditions.
Can TL7700CPG4 be used in battery-powered applications?
- Yes, TL7700CPG4 can be used in battery-powered applications as it has low quiescent current and operates over a wide voltage range.
What is the output type of TL7700CPG4?
- TL7700CPG4 provides an active-low reset signal with an open-drain output.
What is the typical reset threshold voltage of TL7700CPG4?
- The typical reset threshold voltage of TL7700CPG4 is 4.55V.
Is TL7700CPG4 suitable for automotive applications?
- Yes, TL7700CPG4 is suitable for automotive applications as it meets the AEC-Q100 qualification for automotive-grade ICs.
Can TL7700CPG4 be used in industrial control systems?
- Yes, TL7700CPG4 is commonly used in industrial control systems to ensure reliable operation and protection against power supply issues.
Does TL7700CPG4 have built-in hysteresis?
- Yes, TL7700CPG4 features built-in hysteresis to prevent erratic reset behavior near the threshold voltage.
What are some common applications of TL7700CPG4?
- Common applications of TL7700CPG4 include microcontroller-based systems, embedded systems, power management, and any application requiring reliable power supply monitoring and reset functionality.