AW87319 Audio IC

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The AW87319 audio IC works as the Class D K-amplifier chip fitted on Xiaomi Redmi 4A, Redmi Note 4, and Redmi Note 4X motherboards. Awinic builds this CSP-19 chip around a synchron ous boost stage that pushes output power to 4.1W at 8Ω, so the phone keeps loud, clear audio even when battery voltage drops during use. You reach for this IC when a customer's device shows no sound, low volume, distorted speaker, or a dead speaker after a fall or water damage. Stock genuine AW87319 units on your repair bench and close audio-related jobs without swapping guesswork parts. Show more