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LM3658SD-A
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LM3658SD-A

  • Category:ACDC- and -DCDC-power supply
  • Product Name:Dual-source USB/AC charger
  • Manufacturers:NSC
  • Production Batch Number:11+
  • Encapsulation:LLP-10
  • Stock Status:There is stock
  • Stock Quantity:8000
  • Minimum order quantity: 1
  • Details:Click here to find pdf information on the LM3658SD-A
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  • Product introduction
peculiarity
  • Thermal regulation with integrated power FET
  • Charge either from the AC adapter or USB automatic source to select the power supply
  • AC adapter for 50 mA to 1000 mA charging current
  • Pin selectable USB charging current 100 mA or 500 mAh
  • The LDO automatically calls up with source current 1A mode when the battery is not connected to the AC wall adapter
  • Continuous battery temperature monitoring
  • Multiple built-in security timers
  • Charging status indication
  • Continuous overcurrent and overtemperature protection
  • Near-drain battery preconditioning
  • Sleep mode, ultra-low quiescent current
  • On-board Kelvin detection reaches ± 0.35% accuracy termination
  • Maintenance mode, automatic recharging
  • Thermally enhanced 3mm x 3mm LLP package

illustrate

The LM3658 is a single-chip charger IC designed for handheld applications. It can safely charge and maintain a single cell operation from an AC adapter or USB power polymer battery. The selection of the USB/AC source for the input power is automatic. With both power supplies, AC power supplies currently have priority. The charge current is programmed by an external resistor by the AC wall allowing operation from a 50 mA to 1000 mA charging current adapter. When the battery is charged using USB power, the charging current of 100 mA or 500 mA is pin-selectable. The termination voltage is controlled at 4.2V ± 0.35%.

The LM3658 requires few external components and integrates internal power FETs, reverse current protection, and current sensing. The internal power FET is temperature regulated to achieve the most efficient charging speed given the ambient temperature.

The LM3658 operates in five modes: prequalification mode, constant current mode, constant voltage mode, top mode and maintenance mode. In addition, the charger IC operates as an "LDO mode" when the AC adapter is connected and no battery is present with a linear regulator. Get optimal battery management through thermal regulation, battery temperature measurement and multiple safety timers. The LM3658 provides two LED status indications or connected GPIO open-drain outputs.


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  • Smartphones
  • Digital cameras
  • Pocket PC
  • Hard drives and flash-based MP3 players
  • USB-powered devices

andLM3658SD-ARelated ICs are:


Model Manufacturers lot number encapsulation illustrate
LM3658SD/NOPB NSC 10+11+   Hong Kong spot, imported original
LM3658SD-A/NOPB   10+11+   Hong Kong spot, imported original
LM3658SDX-A NXP 10+ LLP Dual-source USB/AC lithium chemistry charger ICs for portable applications
LM3658SDX NXP 08+ QFN10 Dual-source USB/AC lithium chemistry charger ICs for portable applications
LM3658SDX-B NXP 11+ SMD Dual-source USB/AC lithium chemistry charger ICs for portable applications
LM3658SD-B NSC 10+ SOP Dual-source USB/AC charger
LM3658SD-A NSC 11+ LLP-10 Dual-source USB/AC charger
LM3658SD National 05+ QFN-10 Brand new original

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