ホーム パワー・マネージメント マルチチャネル IC (PMIC)

高度なアプリケーション プロセッサ向け、パワー マネージメント IC (PMIC)

LP3971 は新規設計での使用を推奨しません
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TPS65217 アクティブ 3 個の DC/DC と 4 個の LDO とリニア・バッテリ・チャージャと白色 LED ドライバ搭載、パワー・マネージメント IC (PMIC) PMIC for battery powered systems for Sitara™ AM335x processors.

製品詳細

Configurability Factory programmable, Software configurable Vin (min) (V) 1.74 Vin (max) (V) 5.5 Vout (min) (V) 0.725 Vout (max) (V) 3.3 Iout (max) (A) 1.6 Features Comm control, Dynamic voltage scaling, Enable, Overcurrent protection, Power good, Synchronous rectification, Thermal shutdown Iq (typ) (mA) 0.293 Rating Catalog Switching frequency (max) (kHz) 2000 Operating temperature range (°C) -40 to 125 Processor supplier Marvell Processor name PXA Shutdown current (ISD) (typ) (µA) 0.5 Product type Processor and FPGA
Configurability Factory programmable, Software configurable Vin (min) (V) 1.74 Vin (max) (V) 5.5 Vout (min) (V) 0.725 Vout (max) (V) 3.3 Iout (max) (A) 1.6 Features Comm control, Dynamic voltage scaling, Enable, Overcurrent protection, Power good, Synchronous rectification, Thermal shutdown Iq (typ) (mA) 0.293 Rating Catalog Switching frequency (max) (kHz) 2000 Operating temperature range (°C) -40 to 125 Processor supplier Marvell Processor name PXA Shutdown current (ISD) (typ) (µA) 0.5 Product type Processor and FPGA

  • Compatible with advanced applications processors requiring DVM (Dynamic Voltage Management)
  • Three buck regulators for powering high current processor functions or I/O's
  • 6 LDO's for powering RTC, peripherals, and I/O's
  • Backup battery charger with automatic switch for lithium-manganese coin cell batteries and Super capacitors
  • I 2 C compatible high speed serial interface
  • Software control of regulator functions and settings
  • Precision internal reference
  • Thermal overload protection
  • Current overload protection
  • Tiny 40-pin 5x5 mm LLP package

  • Compatible with advanced applications processors requiring DVM (Dynamic Voltage Management)
  • Three buck regulators for powering high current processor functions or I/O's
  • 6 LDO's for powering RTC, peripherals, and I/O's
  • Backup battery charger with automatic switch for lithium-manganese coin cell batteries and Super capacitors
  • I 2 C compatible high speed serial interface
  • Software control of regulator functions and settings
  • Precision internal reference
  • Thermal overload protection
  • Current overload protection
  • Tiny 40-pin 5x5 mm LLP package

  • The LP3971 is a multi-function, programmable Power Management Unit, designed especially for advanced application processors. The LP3971 is optimized for low power handheld applications and provides 6 low dropout, low noise linear regulators, three DC/DC magnetic buck regulators, a back-up battery charger and two GPIO’s. A high speed serial interface is included to program individual regulator output voltages as well as on/off control.


    Key Specifications

    Buck Regulators

  • Programmable VOUT from 0.725 to 3.3V
  • Up to 95% efficiency
  • Up to 1.6A output current
  • ±3% output voltage accuracy
  • LDO’s

  • Programmable VOUT of 1.0V–3.3V
  • ±3% output voltage accuracy
  • 150/300/370 mA output currents
  • LDO RTC 30 mA
  • LDO 1 300 mA
  • LDO 2 150 mA
  • LDO 3 150 mA
  • LDO 4 150 mA
  • LDO 5 370 mA
  • 100 mV (typ) dropout

  • The LP3971 is a multi-function, programmable Power Management Unit, designed especially for advanced application processors. The LP3971 is optimized for low power handheld applications and provides 6 low dropout, low noise linear regulators, three DC/DC magnetic buck regulators, a back-up battery charger and two GPIO’s. A high speed serial interface is included to program individual regulator output voltages as well as on/off control.


    Key Specifications

    Buck Regulators

  • Programmable VOUT from 0.725 to 3.3V
  • Up to 95% efficiency
  • Up to 1.6A output current
  • ±3% output voltage accuracy
  • LDO’s

  • Programmable VOUT of 1.0V–3.3V
  • ±3% output voltage accuracy
  • 150/300/370 mA output currents
  • LDO RTC 30 mA
  • LDO 1 300 mA
  • LDO 2 150 mA
  • LDO 3 150 mA
  • LDO 4 150 mA
  • LDO 5 370 mA
  • 100 mV (typ) dropout

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    種類 タイトル 最新の英語版をダウンロード 日付
    * データシート LP3971 Power Management Unit for Advanced Application Processors (jp) データシート (Rev. U 翻訳版) 最新英語版 (Rev.V) PDF | HTML 2008年 10月 22日

    購入と品質

    記載されている情報:
    • RoHS
    • REACH
    • デバイスのマーキング
    • リード端子の仕上げ / ボールの原材料
    • MSL 定格 / ピーク リフロー
    • MTBF/FIT 推定値
    • 使用原材料
    • 認定試験結果
    • 継続的な信頼性モニタ試験結果
    記載されている情報:
    • ファブの拠点
    • 組み立てを実施した拠点