BA5412
Rohm
BA5412 9V, 15W, Dual Power Amplifier. by Rohm (ZIP 12 Pin): datasheet PDF, pinout and specifications.
Integrated Circuit - IC's ZIP 12 Pin
ROHM Semiconductor is a Kyoto-based Japanese electronics maker. It produces resistors, discrete transistors and diodes, silicon carbide power devices, LEDs, and analog and power-management ICs, and owns LAPIS Technology (formerly Oki Semiconductor).

BA5412 9V, 15W, Dual Power Amplifier. by Rohm (ZIP 12 Pin): datasheet PDF, pinout and specifications.
BA6901F Two-phase Full-wave DC Brushless Fan Motor Driver by Rohm (SOP 8 Pin Type): datasheet PDF, pinout and specifications.