The UPD61253F1-GAE-A is a remote control transmitter IC manufactured by Renesas Electronics America. This component is specifically designed for use in remote control devices, encoding user commands into infrared (IR) signals that can be transmitted to control various electronic appliances, such as televisions, audio systems, and air conditioners. It's part of Renesas's UPD6125x series, known for their low power consumption and robust performance in consumer electronics applications.

Applications

• Remote controls for televisions
• Remote controls for DVD players
• Remote controls for set-top boxes
• Remote controls for audio systems
• Remote controls for air conditioners

Features

• Infrared (IR) signal encoding and transmission
• Low power consumption design
• Key input scanning and processing
• Built-in oscillator for carrier frequency generation
• Support for multiple remote control protocols
• Compact package for space-saving designs

Benefits

• Enables wireless control of electronic devices
• Extends battery life in remote control units due to low power consumption
• Simplifies remote control design with integrated functionality
• Offers compatibility with various IR receiver standards
• Provides a cost-effective solution for remote control applications

Technical Specifications

The UPD61253F1-GAE-A typically operates with a supply voltage range of 2.4V to 3.6V. It incorporates an internal oscillator, often around 455 kHz, to generate the carrier frequency for IR signal modulation. The IC supports multiple key inputs, allowing for a wide range of command options. It is designed to be compatible with various IR transmission protocols commonly used in consumer electronics. The package is usually a small outline package (SOP) or similar compact form factor.

The UPD61253F1-GAE-A integrates key functionalities needed for IR remote control transmission, including key scanning, command encoding, carrier frequency generation, and IR signal modulation. Its low power consumption characteristics are particularly important for prolonging battery life in handheld remote control units. The device's compatibility with various IR protocols makes it a versatile choice for a wide range of applications.