ROHM Semiconductor USA, LLC Audio Amplifiers BD5423AEFS-E2

BD5423AEFS-E2 is a stereo class-D power amplifier IC capable of delivering 17W + 17W output at 12V with a 4,Ѷ load. It features a high efficiency of 90%, which minimizes heat generation and eliminates the need for an external heat radiator in applications up to 34W total output. The amplifier utilizes advanced BCD process technology to reduce internal losses and enhance performance. Key features include a built-in output power limiter to protect speakers from excessive output, soft-switching technology for high-quality audio muting, and a master/slave function for synchronizing multiple devices to reduce beat noise. The IC operates within a supply voltage range of 10V to 16.5V and supports load resistances from 4,Ѷ to 16,Ѷ. It also includes built-in protection circuits against high temperatures and short circuits, ensuring reliability in various operating conditions. The compact HTSSOP-A44 package measures 5mm vó 7.5mm vó 1.0mm, making it suitable for space-constrained applications.