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概要

The DA9121 is a sub-PMIC suitable for supplying CPUs, GPUs and DDR memory rails in smartphones, tablets, RF modules, and other handheld applications.

DA9121 operates as a single-channel dual-phase buck converter, each phase requiring a small external 0.10μH inductor. It is capable of delivering up to 10A of output current at a 0.3V to 1.9V output voltage range. The 2.5V to 5.5V input voltage range is suitable for a wide variety of low voltage systems, including, but not limited to, all Li-ion battery-supplied applications.

Benefits

  • Input voltage range provides flexibility to run from single-cell Li-ion battery or standard 3.3V or 5V system rail  
  • Differential voltage sensing provides tight regulation accuracy requirements of CPU cores in mobile SoCs
  • 4MHz switching frequency reduces footprint and height of output inductor and minimizes output capacitance, lowering BOM cost
  • Triggered through either an I2C or GPIO interface, output dynamic voltage control can be used to optimize system power consumption
DA9121 Block Diagram
DA9121 Block Diagram
  • 2.5V to 5.5V input voltage
  • 0.3V to 1.9V output voltage
  • 4MHz nominal switching frequency
  • ±1% accuracy (static)
  • ±5% accuracy (dynamic)
  • I2C-compatible interface (FM+)
  • Configurable GPIOs
  • Programmable soft-start
  • Voltage, current, and temperature supervision
  • -40 °C to +85 °C ambient temperature range
  • Package: 24-WLCSP (2.5mm x 1.7mm, 0.4mm pitch)
IEEE1588ワイヤード＆ワイヤレスソリューション
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アプリケーション

  • Smartphones
  • Tablets
  • Notebook PCs
  • RF modules
  • Solid-state drives
  • Hard disk drives
  • Game consoles
  • Handheld devices

ドキュメント

タイトル 分類 日付
DA9121 Datasheet
PDF1.36 MB
データシート
AN-PM-140: DA9217/DA9220/DA9121/DA9122 - Adjusting VOUT above 1.9 V
PDF460 KB
アプリケーションノート
UM-PM-041 DA9217/DA9121 and DA9220/DA9122 EVB Kits
PDF1.21 MB
マニュアル－開発ツール
DA9121 / DA9122 Product Brief
PDF782 KB
製品概要

設計・開発

ソフトウェアダウンロード

タイトル 分類 日付
Smartcanvas GUI for DA9217/DA9220/DA9121/DA9122
ZIP85.25 MB
ソフトウェア／ツール－その他
DA9130-A ,DA9131-A, DA9121, DA9217, DA9122, DA9220 Linux Driver
ZIP438 KB
ソフトウェア／ツール－その他

ECADモデル

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製品選択

    Processing table
    型名
    Pkg. Type
    Carrier Type
    ご購入 / サンプル
    DA9121-B0V72
    play_circleActive
    memory
    view_in_ar
    		24 WLCSP Tape & Reel
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