Renesas ISL8282M 15A高效混合数字降压电源模块解决方案
Renesas公司的ISL8282M是PMBus使能的具有Renesas R4™技术的高效混合单路数字降压电源模块,输入电压4.5V-16.5V,输出电压范围0.5V-5V,输出连续电流高达15A,转换效率高达90%.器件包括用于器件配置的SMBus/PMBus/I2C接口,遥测(VIN,VOUT,IOUT和温度)以及故障报告.所采用的Renesas R4控制方案具有极快的瞬态性能,精确的频率控制和内部补偿,其效率增强模式PFM大大改善了轻负载的效率,而ISL8282M串行总线使得R4回路优化容易实现,使得广泛范围内包括所有陶瓷输出滤波器的应用都有快速瞬态性能,具有超温保护,输出过流和短路保护,输出过压和欠压保护,遥测断开保护,输入UVLO和加电顺序,故障重置,以及和Renesas PowerNavigator™软件兼容.主要用在服务器,通信,存储和数据通信,工业/ATE和网络设备,图像卡以及用于ASIC,FPGA,DSP和存储器的通用电源.本文介绍了ISL8282M主要特性,框图,典型应用电路以及评估板ISL8282MEVAL1Z主要特性,指标和框图,电路图和材料清单,以及PCB设计图.
The ISL8282M is a PMBus enabled DC/DC singlechannel step-down power supply featuring theproprietary Renesas R4™ Technology. The modulesupports a wide 4.5V to 16.5V input voltage range and awide 0.5V to 5V output range capable of delivering up to15A of continuous current. The ISL8282M achieves upto 95% conversion efficiency and is optimized for highpower density. Integrated LDOs provide module biasvoltage allowing for single supply operation. TheISL8282M includes a SMBus/PMBus/I2C interface fordevice configuration, telemetry (VIN, VOUT, IOUT, andtemperature), and fault reporting.
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