ROHM BD783xxEFJ-M, compliant with AEC-Q100
2.8W Class AB Monaural Speaker Amplifier Released
Protection against output short circuits and maximum 2.8W output


On the 20th, ROHM announced the BD783xxEFJ-M product family, a 2.8W high-output speaker amplifier.

BD783xxEFJ-M, including BD78306EFJ-M, BD78310EFJ-M, and BD78326EFJ-M, was developed as a speaker amplifier for an automotive meter cluster panel (hereinafter referred to as an automotive cluster) used in automobiles equipped with automatic driving and ADAS functions.

The existing overcurrent protection circuit had a problem in that the maximum output was limited because the operating threshold of the protection circuit had to be set to a value smaller than the maximum current that the speaker amplifier could output.

ROHM on the BD783xxEFJ-M By adopting a new type of overcurrent protection circuit, protection from output short circuits and a maximum output of 2.8W are simultaneously achieved.

In compliance with the automotive semiconductor reliability standard AEC-Q100, the maximum operating temperature is 105℃, allowing it to output sound effects without loss of function even under demanding conditions. It is equipped with temperature and undervoltage protection functions, in addition to overcurrent protection, to protect the IC from abnormal conditions.

Sample shipments of the BD783xxEFJ-M began last August at 300 yen per unit, and mass production is scheduled to begin this March with a production capacity of 20,000 units per month.

Meanwhile, the BD783xxEFJ-M is installed on the evaluation board of Cyprus's automotive MCU, the Traveo S6J3360 series.