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[原创] Infineon IR38263带PVID接口单输入30A降压电源解决方案

关键词:电源管理 DC/DC转换器 通信电源 服务器电源 IR38263

时间:2018-06-08 13:42:37       作者:Infineon       来源:中电网

Infineon公司的IR38263是OPTIMOS IPOL系列器件,具有PVID和I2C/PMBus接口的单输入全集成和高效的30A降压电源,内部LDO允许单个16V工作,输出调整范围0.5V 到0.875*PVin,0.5%精度基准电压,采用PMBus可编频率高达1.5MHz,主要用在基于Intel® VR13和VR12.5的系统,服务器和高端台式CPU VR以及通信和存储应用.本文介绍了IR38263主要特性,框图,多种应用电路以及评估板EVAL_38263_PVID1主要特性,电路图和材料清单.

This family of OPTIMOS IPOL devices offers easy-to-use, fully integrated and highly efficient DC/DC regulators with PVID and I2C/PMBus interface. The on-chip PWM controller and co-packaged low duty cycle optimized MOSFETs make these devices a space-efficient solution, providing accurate power delivery for low output voltage and high current applications that require a parallel VID interface.

These versatile devices offer programmability of switching frequency, output voltage, and fault/warning thresholds and fault responses while operating over a wide input range. Thus, they offer flexibility as well as system level security in event of fault conditions. The switching frequency is programmable from 150 kHz to 1.5 MHz for an optimum solution.

The on-chip sensors and ADC along with the PVID and PMBus interfaces make it easy to monitor and report input voltage, output voltage, output current and temperat..

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