Li+ Battery Charger with Thermal Regulation CXLB7372 is a constant-current/constant-voltage linear charger for single cell Li+ batteries. The CXLB7372 needs no external MOSFETs or diodes, and accepts

   产品概述 返回TOPZIU嘉泰姆

The CXLB7372 is a constant-current/constant-voltage linear charger for single cell Li+ batteries. The CXLB7372 needs no external MOSFETs or diodes, and accepts input voltages up to 6.5V. The small package and low external component counts make the CXLB7372 an idea part for portable applications。On-chip thermal regulation protects the ACXLB7372from excessive temperature and optimizes the board design for compact size and typical thermal conditions. When the junction temperature reaches the thermal regulation threshold, the charger does not shut down but simply reduces the charge current. Charge current can be programmed by connecting an external resistor from ISET pin to GND. Using an external MOSFET to disconnect the resistor from ground shuts down the charger, and reduces the input supply current down to 25mA. The ACXLB7372also has the STAT pin to indicate charge status. The ACXLB7372is available in a SOT-23-5 package, and operates over the -40°C to +85°C temperature range

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· Programmable Charge Current Up to 500mA ZIU嘉泰姆

· Charge Status Output Pin ZIU嘉泰姆

· Soft-Start Limits Inrush Current ZIU嘉泰姆

· 4.2V Charge Termination Voltage with ±1% Accuracy ZIU嘉泰姆

· 45mA Pre-charge Current (RSET =2K) ZIU嘉泰姆

· Thermal Regulation Simplifies Board Design ZIU嘉泰姆

· Enable/Disable Control ZIU嘉泰姆

· Available in a SOT-23-5 Package ZIU嘉泰姆

· Lead Free and Green Devices Available (RoHS Compliant)ZIU嘉泰姆

   应用范围 返回TOPZIU嘉泰姆

· Bluetooth Applications ZIU嘉泰姆

· MP3 Players ZIU嘉泰姆

· Cell Phones ZIU嘉泰姆

· Wireless AppliancesZIU嘉泰姆

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