TC7662AIJA

Product Overview

Category

The TC7662AIJA belongs to the category of integrated circuits (ICs) and specifically falls under the voltage converters or charge pumps category.

Use

This product is primarily used for voltage conversion applications, where it can generate a negative voltage from a positive input voltage. It finds extensive use in various electronic devices and systems that require a negative voltage source.

Characteristics

• Voltage Conversion: The TC7662AIJA is capable of converting a positive input voltage into a corresponding negative output voltage.
• Efficiency: This IC offers high efficiency in voltage conversion, ensuring minimal power loss during the process.
• Low Power Consumption: The TC7662AIJA operates with low power consumption, making it suitable for battery-powered devices.
• Small Package Size: It comes in a compact package, allowing for easy integration into space-constrained designs.
• Wide Operating Voltage Range: The IC can operate within a wide range of input voltages, enhancing its versatility.

Package and Quantity

The TC7662AIJA is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels containing a specified quantity of units, such as 250 or 1000 pieces per reel.

Specifications

• Input Voltage Range: 1.5V to 10V
• Output Voltage Range: -1.5V to -10V
• Maximum Output Current: 20mA
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-8

Pin Configuration

The TC7662AIJA features an 8-pin configuration, as follows:

```

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| | --| VOUT GND|-- Pin 1 --| VIN VOUT|-- Pin 2 --| VIN VOUT|-- Pin 3 --| VIN VOUT|-- Pin 4 --| VIN VOUT|-- Pin 5 --| VIN VOUT|-- Pin 6 --| VIN VOUT|-- Pin 7 --| VIN VOUT|-- Pin 8 |___________| ```

Functional Features

• Voltage Conversion: The TC7662AIJA efficiently converts a positive input voltage into a negative output voltage.
• Low Power Consumption: It operates with low power consumption, making it suitable for battery-powered applications.
• Reverse Polarity Protection: The IC incorporates reverse polarity protection, safeguarding the device from potential damage caused by incorrect connections.
• Overcurrent Protection: The TC7662AIJA includes overcurrent protection to prevent excessive current flow and protect the circuitry.

Advantages and Disadvantages

Advantages

• Efficient voltage conversion
• Low power consumption
• Compact package size
• Wide operating voltage range
• Reverse polarity and overcurrent protection

Disadvantages

• Limited maximum output current (20mA)
• Requires an external input voltage source

Working Principles

The TC7662AIJA utilizes a charge pump architecture to convert the input voltage into a negative output voltage. It employs a combination of capacitors, diodes, and switches to generate the desired voltage level. By controlling the switching of these components, the IC effectively doubles the input voltage magnitude and inverts its polarity to produce the negative output voltage.

Detailed Application Field Plans

The TC7662AIJA finds application in various fields, including:

1. Portable Electronics: It is used in portable electronic devices such as smartphones, tablets, and portable media players to provide a negative voltage source for specific components or subsystems.
2. Industrial Automation: The IC is employed in industrial automation systems for generating negative voltages required by certain sensors, actuators, or control circuits.
3. Automotive Electronics: It finds application in automotive electronics for generating negative voltages needed by specific modules or subsystems, such as audio systems or lighting controls.
4. Medical Devices: The TC7662AIJA is utilized in medical devices that require a negative voltage source, such as certain types of diagnostic equipment or therapeutic devices.

Detailed and Complete Alternative Models

1. ICL7660CPA: This IC offers similar functionality to the TC7662AIJA and is available in an 8-pin DIP package.
2. MAX660CPA: Another alternative with comparable features, available in an 8-pin DIP package.
3. LT1054CN8: This IC provides voltage conversion capabilities and comes in an 8-pin PDIP package.

These alternative models can be considered based on specific requirements, availability, and compatibility with the target application.

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