TC1232EPA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Reset Output
• Package: 8-Pin PDIP (Plastic Dual In-Line Package)
• Essence: Monitors the power supply voltage and generates a reset signal when the voltage falls below a predetermined threshold.
• Packaging/Quantity: Available in tubes of 25 units or reels of 1000 units.

Specifications

• Supply Voltage Range: 2.7V to 18V
• Reset Threshold Voltage: 4.63V (Typical)
• Reset Timeout Period: 200ms (Minimum)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND: Ground
2. MR: Manual Reset Input
3. VCC: Supply Voltage Input
4. RESET: Reset Output
5. TH: Threshold Input
6. TR: Timeout Reset Output
7. CT: Capacitor Terminal
8. VBAT: Battery Monitor Input

Functional Features

• Monitors the power supply voltage continuously.
• Generates a reset signal when the voltage falls below the threshold.
• Provides a manual reset input for immediate system restart.
• Offers a timeout reset output to indicate when the reset timeout period has elapsed.

Advantages

• Low power consumption, suitable for battery-powered applications.
• Precise monitoring ensures reliable system operation.
• Reset output can be used to trigger system initialization.
• Wide operating voltage range allows compatibility with various power sources.

Disadvantages

• Limited number of pins restricts the number of external components that can be connected directly.
• Not suitable for applications requiring complex voltage monitoring algorithms.

Working Principles

The TC1232EPA monitors the power supply voltage by comparing it to a fixed threshold voltage. When the supply voltage drops below this threshold, the internal circuitry generates a reset signal. The reset signal remains active until the supply voltage rises above the threshold and a timeout period has elapsed.

Detailed Application Field Plans

The TC1232EPA is commonly used in various electronic systems where reliable power supply monitoring is critical. Some typical applications include:

1. Microcontroller Systems: Ensures proper initialization and prevents erratic behavior during power-up.
2. Industrial Control Systems: Provides fault detection and system reset capabilities.
3. Automotive Electronics: Monitors battery voltage and triggers system reset if necessary.
4. Medical Devices: Ensures safe operation by monitoring power supply integrity.
5. Home Automation: Enables reliable control and monitoring of connected devices.

Detailed and Complete Alternative Models

• MAX1232ESA: Similar voltage supervisor IC with adjustable reset threshold.
• ADM1232ARMZ: Voltage monitor with watchdog timer functionality.
• MCP101T-270I/TT: Precision voltage supervisor with adjustable reset timeout.

Note: This is not an exhaustive list; there are several alternative models available in the market.

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