6+3 Channels PMU and Li-ion Battery Charger for DSC CXPU33110 provide a complete power supply solution for digital cameras. They improve performance, component count, and size compared to other multi-

   产品概述 返回TOPOey嘉泰姆

The CXPU33110 provide a complete power supply solution for digital cameras. They improve performance, component count, and size compared to other multi-channel controllers in 1-cell Li-Ion. On-chip MOSFETs provide up to 92~95% efficiency for critical power supplies. All channels DC/DC operate at one fixed frequency of 1.5MHz/750KHz to optimize size, cost, and efficiency. All Synchronous converters operate at pulse skipping mode at light load. They also feature True-Shutdown as well as internal compensation to minimize external component count. The CXPU33110 also provide Li-ion linear charger with dynamic power path control. CXPU33110 has USB power source detection and JEITA compliant. CXPU33110 also has auto NTC-R 100kΩ/10kΩ detection circuit.

   产品特点 返回TOPOey嘉泰姆

„ 2.5V ~ 5.5V Input Voltage Operation. Oey嘉泰姆

„ 95% Efficient DC/DC Converter Oey嘉泰姆

„ Built-in 1-ch synchronous boost converter, 1-ch auto buck-boost converter, 3-ch synchronous buck converter, 1-ch WLED driver, 2-ch LDOs for CMOS image sensor, and 1-ch low quiescent current LDO for RTC. Oey嘉泰姆

„ 31-steps brightness control by I2 C for WLED Driver Oey嘉泰姆

„ Low Power consumption (Sleep Mode ) < 10μA. Oey嘉泰姆

„ Built-In Selectable Power ON/OFF Sequence for 4 Channels Synchronous Rectified Converter. Oey嘉泰姆

„ Built-In Short Circuit Protection (SCP), Under Voltage Protection (UVP), and cycle-by cycle current limit for DC/DC Converters. Oey嘉泰姆

„ Integrated Li-ion linear charger with dynamic power path function. „ Charge voltage and current control with JEITA compliant. Oey嘉泰姆

„ USB charger with Auto Power Source Detection which is compliant to USB Battery Charging Revision 1.2. Oey嘉泰姆

„ Built-In Thermal Shutdown Function. Oey嘉泰姆

„ Built-In Battery OVP Function. Oey嘉泰姆

„ TQFN40 Package (5mmx5mm).Oey嘉泰姆

   应用范围 返回TOPOey嘉泰姆

DSC and DV Power SupplyOey嘉泰姆

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