TLC7725QPWR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision, Reset Generation
• Package: TSSOP-8
• Essence: Monolithic CMOS Device
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 6V
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 10µA (typical)
• Threshold Voltage Options: 2.32V, 2.62V, 3.08V, 4.38V
• Output Type: Active-Low, Open Drain
• Power-On Reset Delay Time: 20ms (typical)

Detailed Pin Configuration

1. GND: Ground
2. VDD: Supply Voltage
3. RESET: Active-Low Reset Output
4. MR: Manual Reset Input
5. TH: Threshold Voltage Selection Input
6. TRG: Trigger Input
7. CT: Capacitor Connection Terminal for Timing
8. OUT: Output

Functional Features

• Precision Monitoring: The TLC7725QPWR provides accurate voltage monitoring, ensuring reliable system operation.
• Low-Power Consumption: With a quiescent current of only 10µA, the IC minimizes power consumption, making it suitable for battery-powered applications.
• Reset Generation: The active-low reset output ensures proper initialization of the system upon power-up or manual reset.
• Adjustable Threshold Voltage: The threshold voltage can be selected from four options, allowing flexibility in monitoring different voltage levels.
• Trigger Input: The trigger input allows for additional control over the reset generation, enabling customized system behavior.

Advantages and Disadvantages

Advantages

• High precision voltage monitoring
• Low-power consumption
• Adjustable threshold voltage
• Flexible trigger input for customized reset generation

Disadvantages

• Limited to a maximum supply voltage of 6V
• Only available in TSSOP-8 package

Working Principles

The TLC7725QPWR operates by comparing the monitored voltage with the selected threshold voltage. When the monitored voltage falls below the threshold, the active-low reset output is asserted, indicating a power failure or an out-of-range condition. The manual reset input allows for immediate system initialization, overriding the monitoring function.

Detailed Application Field Plans

The TLC7725QPWR finds applications in various fields, including: 1. Automotive: Voltage supervision in automotive electronics, ensuring proper operation and protection against undervoltage conditions. 2. Industrial Control Systems: Monitoring critical voltages in industrial control systems, preventing malfunctions and ensuring reliable operation. 3. Consumer Electronics: Power management and system initialization in battery-powered devices, such as smartphones, tablets, and portable gaming consoles. 4. Medical Devices: Voltage monitoring in medical equipment, guaranteeing safe and accurate operation.

Detailed and Complete Alternative Models

1. TL7705ACP: Similar voltage supervisor IC with fixed threshold voltage options.
2. MAX823: Voltage monitor with adjustable threshold voltage and push-pull output.
3. ADM708: Precision voltage supervisor with adjustable threshold voltage and watchdog timer functionality.

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