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Product Features

  • Adaptive 9V DC-DC boost converter with adaptive boost control (ABC).

  • Peak efficiency exceeds 85%

  • The 8Ω speaker achieves a signal-to-noise ratio of up to 97dB at 1W power.

  • Receiver mode noise as low as 8μV

  • High output power when THD+N<1%

    4.1W@8Ω，VDD=4.2V，VPVDD=8.5V

    5.2W@6Ω，VDD=4.2V，VPVDD=8.5V

  • Thermal foldback and battery protection

  • Supports speaker and earpiece combo applications

  • Single-ended/differential analog input interface

  • Small 20-pin FCQFN package, minimum size 2.00mm × 3.00mm

Application scenarios

Application diagram

  • Wuhan

    Wuhan Silicon Integrated Co., Ltd.

    Building C4, Future Science City, No. 999 Gaoxin Avenue, East Lake High-tech Development Zone, Wuhan

    027-65316800

  • Shenzhen

    SI Shenzhen

    Room 703, Building 9A, Zone 2, Shenzhen Bay Science and Technology Ecological Park, Yuehai Subdistrict, Nanshan District, Shenzhen

    027-65316800

  • Shanghai

    SI Shanghai

    Room 1007, 10th Floor, No. 35, Lane 2777, Jinxiu East Road, Pudong New Area, Shanghai

    yang.song@si-in.com

  • Suzhou

    SI Suzhou

    A1704, Phase IV, International Science and Technology Park, No. 1355 Jinji Lake Avenue, Suzhou Industrial Park

    15995707539

  • Beijing

    SI Beijing

    Room 606, 6th Floor, Building 29, No. 9 Courtyard, Anningzhuang West Road, Haidian District, Beijing

    010-81968532

  • Eindhoven

    SI Eindhoven

    High Tech Campus 25, 5656 AE Eindhoven, The Netherlands

    +31643865146

  • Singapore

    SI Singapore

    346C KING GEORGE'S AVENUE, KING GEORGE'S BUILDING, SINGAPORE 208577

    027-65316800

  • Hongkong

    SI Hongkong

    Unit1002, 10/F., Perfect Commercial Building, 20 Austin Avenue, Tsim Sha Tsui,Kowloon,Hong Kong

    027-65316800

  • Suwon

    SI Korea

    Unit 217, Signature Gwanggyo, 1184, Sanghyeon-dong, Suji-gu, Suwon, Gyeonggi-do

    82-10-9247-2792

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  • 027-65316800
  • info@si-in.com
  • Building C4, Future Science City, No. 999 Gaoxin Avenue, East Lake High-tech Development Zone, Wuhan
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