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LP3971SQ-G824
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LP3971SQ-G824

  • Category:Battery management chip
  • Product Name:Power management unit for advanced application processors
  • Manufacturers:NSC
  • Production Batch Number:10+
  • Encapsulation:LLP
  • Stock Status:There is stock
  • Stock Quantity:9850
  • Minimum order quantity: 1
  • Details:点击查找LP3971SQ-G824的pdf资料
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  • Product introduction
peculiarity
  • Compatible with advanced application processors requiring DVM (Dynamic Voltage Management)
  • A triple buck regulator is used to drive high-current processor functions or I/O
  • 6 LDO powered RTC, peripherals and I/O
  • Automatic switching of backup battery charger, lithium manganese button battery and supercapacitor
  • I 2 C-compatible high-speed serial interface
  • Software controls adjustment functions and settings
  • Precision internal reference
  • Thermal overload protection
  • Current overload protection
  • Tiny 40-pin 5x5mm LLP package

illustrate

The LP3971 is a versatile, programmable power management unit, especially for advanced application processor designs. The LP3971 is optimized for low-power handheld applications and offers six low dropout, low noise linear regulators, three DC/DC magnetic buck regulators, a backup battery charger, and two GPIOs. Includes a high-speed serial interface and on/off control scheme, separate regulator output voltage.

Main specifications Buck regulator

  • From 0.725 to 3.3VProgrammableV OUT
  • Up to 95% efficiency
  • Up to 1.6A output current
  • ± 3% output voltage accuracy
LDO's
  • Programmable VOUTis 1.0V - 3.3V
  • ± 3% output voltage accuracy
  • 150/300/370 mA output current
  • LDO RTC of 30 mA
  • LDO of 1 300 mA
  • LDO 2 150 mA
  • LDO 3 150 mA
  • LDO 4 150 mA
  • LDO of 5 370 mA
  • 100 mV dropout voltage (typical)


apply

  • PDA phones
  • Smartphones
  • Personal media player
  • Digital cameras
  • Application processor
  • Marvell's PXA
  • Freescale
  • Samsung

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