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多通道 IC (PMIC)

LP3971

不推薦在新設計中採用

適用進階應用處理器的電源管理 IC (PMIC)

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產品規格表
LP3971 不建議用於新設計
此產品將繼續向現有客戶提供。新設計應考量替代產品。
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TPS65217 現行 具 3 個 DC/DC、4 個 LDO、線性電池充電器和白光 LED 驅動器的電源管理 IC (PMIC) PMIC for battery powered systems for Sitara™ AM335x processors.

LP3971

不推薦在新設計中採用
產品規格表 立即訂購

產品詳細資料

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
  • I2C 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 WQFN Package

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 currentsLDO RTC 30 mALDO 1 300 mALDO 2 150 mALDO 3 150 mALDO 4 150 mALDO 5 370 mA
    • 100 mV (typ) dropout

All trademarks are the property of their respective owners.

  • 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
  • I2C 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 WQFN Package

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 currentsLDO RTC 30 mALDO 1 300 mALDO 2 150 mALDO 3 150 mALDO 4 150 mALDO 5 370 mA
    • 100 mV (typ) dropout

All trademarks are the property of their respective owners.

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.

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.
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類型 標題 日期
* Data sheet LP3971 Power Management Unit for Advanced Application Processors datasheet (Rev. V) 2013年 5月 3日

訂購與品質

內含資訊：
  • RoHS
  • REACH
  • 產品標記
  • 鉛塗層/球物料
  • MSL 等級/回焊峰值
  • MTBF/FIT 估算值
  • 材料內容
  • 認證摘要
  • 進行中持續性的可靠性監測
內含資訊：
  • 晶圓廠位置
  • 組裝地點