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AB5659C is a Bluetooth 6.0 chip specifically designed for TWS earbuds, manufactured using a 40nm ULP process, featuring high performance, low power consumption, and excellent audio performance.

Features — AB5659C

High-performance processor: Built-in high-performance 32-bit RISC-V processor with a frequency of up to 125MHz, supporting DSP instructions, enabling efficient processing of audio algorithms.

Low-Power Design: Utilises advanced process technology to reduce power consumption and extend earbud battery life.

Rich Storage Resources: Features 1Mbit of built-in flash memory for storing programs and 113KB of internal RAM, capable of meeting the needs of various audio applications.

Multiple Audio Interfaces: Integrated 16-bit mono DAC and ADC, supporting multiple sampling rates, with a high-performance mono audio ADC (94dB SNR) and DAC (102dB SNR), and a headphone amplifier output, providing clear, high-fidelity sound quality.

Bluetooth 6.0 technology: Compliant with the Bluetooth 6.0 protocol (QDID: Q342943), with excellent RF performance, a maximum TX output power of +8dBm, and RX sensitivity of -89.7dBm at the base rate and -92.2dBm in EDR mode, ensuring stable and reliable wireless connectivity.

Supports multiple audio codecs: Supports SBC and AAC high-definition codecs, providing high-quality audio output.

Package type: Uses ESOP8 packaging, making it easy to integrate into TWS earbuds.

Technical specifications — AB5659C  

CPU: 32-bit RISC-V processor, operating at 125MHz  

Storage: 1Mbit internal flash memory, 113KB internal RAM  

GPIO: Flexible GPIO pins with programmable pull-up and pull-down resistors, supporting GPIO wake-up or interrupts

Bluetooth: Compliant with Bluetooth 6.0 protocol (QDID: Q342943), TX maximum output power +8dBm, RX sensitivity -89.7dBm (baseline rate), -92.2dBm (EDR)

Audio: 16-bit mono DAC and ADC, supporting sampling rates including 8, 11.025, 12, 16, 22.05, 32, 44.1, and 48 kHz; high-performance mono audio ADC (94 dB SNR), DAC (102 dB SNR), with headphone amplifier output

Package: ESOP8

Operating temperature: -40°C to +85°C  

Storage temperature: -65°C to +150°C  

Applications  

The AB5659C is primarily used in TWS Bluetooth earbuds and can also be applied to OWS Bluetooth earbuds, business earbuds, sports earbuds, as well as Bluetooth speakers, music glasses, and other audio-related products.

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

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  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.