Over-Voltage Protection IC and Li+ Charger Front-End Protection IC with LDO Mode CXPR7897 is a charger front-end integrated circuit designed to provide protection to Li-ion batteries from failures of

   产品概述 返回TOP1hg嘉泰姆

The CXPR7897 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 (V_OVP = 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℃</span>. When the IC is controlled by a processor, the IC provides status information about fault conditions to the host.1hg嘉泰姆

The CXPR7897 is available in Green TDFN-2×2-8L and MSOP-8 (Exposed Pad) packages and is rated over the -40℃</span> to +85℃</span> temperature range.1hg嘉泰姆

   产品特点 返回TOP1hg嘉泰姆

• 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 Packages1hg嘉泰姆

   应用范围 返回TOP1hg嘉泰姆

Smart Phones, Mobile Phones
PDAs
MP3 Players
Low-Power Handheld Device1hg嘉泰姆

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1hg嘉泰姆