TL7757IPKG3

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision, Reset Generation
• Package: IPKG3 (Integrated Circuit Package Type 3)
• Essence: Monolithic CMOS Voltage Supervisor Circuits
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

The TL7757IPKG3 is a voltage supervisor integrated circuit designed for monitoring the power supply voltage of electronic systems. It operates with low power consumption and provides precise reset generation functionality.

The device comes in an IPKG3 package, which is a compact and durable package type suitable for surface mount applications. Each reel of TL7757IPKG3 contains 2500 units, making it convenient for high-volume production.

Pin Configuration

The TL7757IPKG3 features eight pins, each serving a specific function:

1. VCC: Power Supply Input
2. GND: Ground
3. MR: Manual Reset Input
4. RESET: Reset Output
5. VDD: Supply Voltage Sense Input
6. GND: Ground
7. TH: Threshold Voltage Input
8. VDD: Supply Voltage Sense Input

Functional Features

The TL7757IPKG3 offers several functional features that make it a reliable voltage supervisor:

• Precise Monitoring: The device accurately monitors the power supply voltage, ensuring stable operation of the system.
• Reset Generation: It generates a reset signal when the monitored voltage falls below a predefined threshold, allowing the system to restart or enter a safe state.
• Manual Reset Input: The MR pin allows for manual resetting of the system, providing flexibility in controlling the reset function.
• Wide Operating Range: The TL7757IPKG3 can operate within a wide range of supply voltages, making it suitable for various applications.

Advantages and Disadvantages

Advantages of the TL7757IPKG3 include:

• Low Power Consumption: The device operates with low power consumption, minimizing energy usage in electronic systems.
• Precision: It provides precise monitoring and reset generation, ensuring reliable system operation.
• Compact Package: The IPKG3 package offers a compact form factor, saving space on circuit boards.

Disadvantages of the TL7757IPKG3 include:

• Limited Pin Configuration: The device has a fixed pin configuration, which may not be suitable for all system designs.
• Single Functionality: It is primarily designed for voltage supervision and reset generation, limiting its versatility in other applications.

Working Principles

The TL7757IPKG3 works based on the principle of comparing the supply voltage with a predefined threshold. When the supply voltage drops below this threshold, the device generates a reset signal, indicating a power failure or unstable condition. This reset signal can be used to initiate system recovery or enter a safe state.

The device continuously monitors the supply voltage and updates the reset signal accordingly. It also includes a manual reset input, allowing users to manually trigger a reset when necessary.

Detailed Application Field Plans

The TL7757IPKG3 is widely used in various electronic systems that require reliable voltage monitoring and reset generation. Some common application fields include:

1. Microcontrollers: The TL7757IPKG3 ensures stable operation of microcontroller-based systems by monitoring the power supply voltage and generating resets when needed.
2. Industrial Control Systems: It plays a crucial role in industrial control systems, where uninterrupted operation is essential. The device helps prevent system malfunctions due to power fluctuations.
3. Automotive Electronics: In automotive applications, the TL7757IPKG3 safeguards critical electronic components by monitoring the power supply and initiating resets in case of voltage drops or spikes.
4. Medical Devices: Medical equipment relies on stable power supply for accurate operation. The TL7757IPKG3 helps maintain the integrity of medical devices by monitoring voltage levels and generating resets if necessary.

Detailed and Complete Alternative Models

Some alternative models to the TL7757IPKG3 that offer similar functionality include:

1. TL7705ACP: This voltage supervisor IC provides precise monitoring and reset generation capabilities in a different package type (ACP).
2. MAX823R: A voltage supervisor IC with low-power consumption and manual reset input, available in various package options.
3. ADM6315: This integrated circuit offers voltage monitoring and reset generation features, suitable for applications requiring high precision.

These alternative models can be considered based on specific requirements and compatibility with the system design.

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