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          SGM4062

          Over-Voltage Protection IC and Li+ Charger Front-End Protection IC with LDO Mode
           
          Over-Voltage Protection IC and Li+ Charger Front-End Protection IC with LDO Mode
          GENERAL DESCRIPTION

          The SGM4062 is a charger front-end integrated circuit designed to provide protection to Li-Ion batteries from failures of the charging circuitry. The IC continuously monitors the input voltage and the battery voltage. The device operates like a linear regulator, maintaining a 5.1V output with input voltages up to the input over-voltage threshold (VOVP = 6.8V). During input over-voltage conditions, the IC immediately turns off the internal pass FET disconnecting the charging circuitry from the damaging input source. Additionally, if the battery voltage rises to unsafe levels while charging, power is removed from the system. The IC also monitors its die temperature and switches off if it exceeds 145. When the IC is controlled by a processor, the IC provides status information about fault conditions to the host.

          The SGM4062 is available in Green TDFN-2×2-8L and MSOP-8 (Exposed Pad) packages and is rated over the -40 to +85 temperature range.

          PIN CONFIGURATIONS

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          FEATURES
          • Input Over-Voltage Protection

          • Accurate Battery Over-Voltage Protection

          • Soft-Start to Prevent Inrush Currents

          • Soft-Stop to Prevent Voltage Spikes

          • 18V Maximum Input Voltage

          • Supports up to 1.5A Load Current

          • Thermal Shutdown

          • Enable Function

          • Fault Status Indication

          • Available in Green MSOP-8 (Exposed Pad) and TDFN-2×2-8L Packages

          APPLICATIONS

          Smart Phones, Mobile Phones

          PDAs

          MP3 Players

          Low-Power Handheld Devices

          ORDERING INFORMATION
          Part NumberStatusPackagePinsPb-FreeTemp Range
          SGM4062YDE8G/TRProductionTDFN-2×2-8L8Y-40℃ to +85℃
          SGM4062YPMS8G/TRProductionMSOP-8 (Exposed Pad)8Y-40℃ to +85℃

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