The UPD6126AG is a remote control transmitter IC manufactured by NEC. This integrated circuit is designed for use in remote control applications, encoding user inputs into infrared (IR) signals for wireless communication with electronic devices. It is commonly found in remote controls for televisions, DVD players, and other consumer electronics. As part of NEC's UPD612x series, the UPD6126AG is known for its reliability and low power consumption.

Applications

• Television remote controls
• DVD player remote controls
• Set-top box remote controls
• Audio system remote controls
• Air conditioner remote controls

Features

• Infrared (IR) signal transmission
• Encoding of remote control commands
• Low power consumption
• Multiple key input support
• Built-in oscillator for generating carrier frequency
• Supports NEC encoding format

Benefits

• Enables wireless remote control functionality
• Reduces the need for physical buttons on devices
• Provides a convenient user interface for controlling electronic devices from a distance
• Extends battery life in remote control units due to low power consumption
• Offers a cost-effective solution for remote control applications

Technical Specifications

The UPD6126AG typically operates with a supply voltage range of 2.4V to 3.6V. It utilizes an internal oscillator to generate the carrier frequency for IR signal modulation, usually around 455 kHz. The IC supports multiple key inputs and is designed to be compatible with the NEC encoding format, a widely used standard for IR remote control communication. The package is commonly a small outline package (SOP) to facilitate compact designs.

The UPD6126AG integrates the essential functions for remote control transmission, including key input scanning, command encoding, carrier frequency generation, and IR signal modulation. Its low power consumption is a critical feature for battery-powered remote controls, ensuring longer operational life. Its compatibility with the NEC encoding format ensures seamless communication with a broad range of consumer electronic devices.