TL7700CPW

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Precision, Low Power Consumption
• Package: 20-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Monolithic CMOS Circuit
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 18V
• Operating Temperature Range: -40°C to +85°C
• Output Current: 50mA
• Threshold Voltage Options: 1.2V, 1.8V, 2.5V, 3.0V, 3.3V, 5.0V
• Power-On Reset Time: 100ms (typical)

Detailed Pin Configuration

1. VCC: Supply Voltage Input
2. GND: Ground
3. MR: Manual Reset Input
4. RESET: Active-Low Reset Output
5. RESET_OUT: Open-Drain Reset Output
6. RESET_OUT#: Complementary Open-Drain Reset Output
7. RESET_OUT#: Complementary Open-Drain Reset Output
8. RESET_OUT#: Complementary Open-Drain Reset Output
9. RESET_OUT#: Complementary Open-Drain Reset Output
10. RESET_OUT#: Complementary Open-Drain Reset Output
11. RESET_OUT#: Complementary Open-Drain Reset Output
12. RESET_OUT#: Complementary Open-Drain Reset Output
13. RESET_OUT#: Complementary Open-Drain Reset Output
14. RESET_OUT#: Complementary Open-Drain Reset Output
15. RESET_OUT#: Complementary Open-Drain Reset Output
16. RESET_OUT#: Complementary Open-Drain Reset Output
17. RESET_OUT#: Complementary Open-Drain Reset Output
18. RESET_OUT#: Complementary Open-Drain Reset Output
19. RESET_OUT#: Complementary Open-Drain Reset Output
20. RESET_OUT#: Complementary Open-Drain Reset Output

Functional Features

• Voltage Monitoring: TL7700CPW monitors the supply voltage and generates a reset signal when it falls below a specified threshold.
• Manual Reset Input: The MR pin allows for manual resetting of the device, overriding the voltage monitoring function.
• Multiple Reset Outputs: The IC provides multiple reset outputs, including an active-low reset output and complementary open-drain reset outputs.

Advantages and Disadvantages

Advantages: - Precision voltage monitoring ensures reliable system operation. - Low power consumption extends battery life in portable applications. - Multiple reset outputs offer flexibility in system design.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Restricted temperature range (-40°C to +85°C) may limit usage in extreme environments.

Working Principles

TL7700CPW operates by comparing the supply voltage with a reference voltage set by the threshold voltage options. When the supply voltage drops below the threshold, the IC generates a reset signal. The manual reset input allows for user-initiated resets.

Detailed Application Field Plans

1. Automotive Electronics: TL7700CPW can be used in automotive systems to monitor the vehicle's electrical supply and ensure proper functioning of critical components.
2. Industrial Control Systems: The IC is suitable for monitoring power supplies in industrial control systems, providing reliable reset signals in case of voltage fluctuations.
3. Medical Devices: TL7700CPW finds application in medical devices where precise voltage monitoring is crucial for patient safety and equipment reliability.
4. Consumer Electronics: The IC can be utilized in various consumer electronic devices, such as smartphones, tablets, and gaming consoles, to ensure stable operation and prevent data loss during power fluctuations.

Detailed and Complete Alternative Models

1. TL7702ACP: Similar to TL7700CPW, but with a different pin configuration (8-pin PDIP package).
2. TL7705ACP: Voltage supervisor IC with adjustable threshold voltage options (8-pin PDIP package).
3. TL7712ACP: Dual voltage supervisor IC with two independent monitoring circuits (8-pin PDIP package).

(Note: The above alternative models are just examples and not an exhaustive list.)

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