BUY TB2901HQ https://www.utsource.net/itm/p/1366944.html
IC 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25, 1 MM PITCH, PLASTIC, HZIP-25, Audio/Video Amplifier
Description: The TB2901HQ is a high-speed, low-power, low-voltage, single-channel, high-side power switch IC. Features: Low on-resistance: 0.5Ω (typ.) Low-voltage operation: 2.5V to 5.5V High-speed switching: tON = 0.3μs (typ.) Low power consumption: 0.6mW (typ.) Over-current protection Over-temperature protection Short-circuit protection Low standby current: 1μA (typ.) Applications: Automotive systems Industrial systems Home appliances Battery-powered systems Portable devices (For reference only)