The UPD6125AG-142-T1, manufactured by NEC, is an infrared remote control transmitter IC. This integrated circuit is specifically designed for encoding and transmitting control signals to electronic devices via infrared (IR) communication. Commonly found in remote controls for televisions, DVD players, and other consumer electronics, the UPD6125AG-142-T1 translates button presses into encoded IR signals that can be interpreted by the target device. Part of NEC's UPD6125 series, it's known for its low power consumption and reliability.

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 for extended battery life
• Multiple key input support for various functions
• Built-in oscillator for generating carrier frequency
• Compact packaging for space-constrained designs

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

While exact specifications can vary, the UPD6125AG-142-T1 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 typically a small outline package (SOP) to facilitate compact designs.

The UPD6125AG-142-T1 integrates the necessary 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.