The IC continuously monitors the input voltage and the battery voltage CXPR7900 The IC also monitors its die temperature and switches off if it exceeds 145℃. When the IC is controlled by a processor,

   产品概述 返回TOP32Z嘉泰姆

The CXPR7900 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 = 7.1V). 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.32Z嘉泰姆

The CXPR7900 is available in Green TDFN-2×2-8L package and is rated over the -40℃</span> to +85℃</span> temperature range.32Z嘉泰姆

   产品特点 返回TOP32Z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 TDFN-2×2-8L Package32Z嘉泰姆

   应用范围 返回TOP32Z嘉泰姆

Smart Phones, Mobile Phones
PDAs
MP3 Players
Low-Power Handheld Devices32Z嘉泰姆

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