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ZM7308G-65502-T2 参数 Datasheet PDF下载

ZM7308G-65502-T2图片预览
型号: ZM7308G-65502-T2
PDF下载: 下载PDF文件 查看货源
内容描述: 数字电源管理器 [Digital Power Manager]
分类和应用:
文件页数/大小: 33 页 / 680 K
品牌: POWER-ONE [ POWER-ONE ]
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ZM7300G Series Digital Power Manager  
Data Sheet  
The DPM can also trigger an optional crowbar circuit and provide undervoltage and overvoltage  
protections of the intermediate bus voltage. In addition, the DPM can be controlled by a host system via  
the interrupt inputs, RES_N and the ACFAIL_N inputs.  
10  
Description  
The ZM7300 series DPMs perform translation between the I2C interface connected to a host system or  
the Graphical User Interface and the SD communication bus connected to Z-series POL converters. In  
addition, DPMs carry out programming, monitoring, data storage, POL group management, hot-swap  
control, protection, and control and monitoring of auxiliary devices.  
The DPMs can be controlled via the GUI or directly via the I2C bus by using specific commands  
described in the “DPM Programming Manual”.  
10.1  
DPM Memory  
The DPM memory consists of RAM and non-volatile memory (Flash). The RAM is used for  
programming perations and manipulation of the various blocks of configuration, setup, status, and  
monitoring registers. The non-volatile memory is used to store programming and configuration data.  
The DPM memory includes DPM registers, POL setup registers, monitoring data, and user memory as  
shown in Figure 4. Setup registers for the DPM and the POL converters are protected by CRCs that are  
checked during programming of POL converters and at the power-up of the DPM.  
The LCK_N pin and the write protection register WP limit the write access to the memory blocks in the  
DPM and POL converters. The WP register content is defaulted to write protect upon powering up the  
DPM.  
Figure 4. DPM Memory and Write Protection  
ZD-00896 Rev. 5.1, 13-Jul-10  
www.power-one.com  
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