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参数资料
| 型号： | ZM7308G-65502-T2 |
| 厂商： | Power-One |
| 文件页数： | 16/33页 |
| 文件大小： | 0K |
| 描述： | IC DIGITAL PWR CONTROLLER 64QFN |
| 标准包装： | 100 |
| 应用： | 数字电源控制器 |
| 电源电压： | 3 V ~ 3.6 V |
| 电流 - 电源： | 12mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-QFN |
| 供应商设备封装： | 64-QFN 裸露焊盘（9x9） |
| 包装： | 带卷 (TR) |
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ZM7300G Series Digital Power Manager
Data Sheet
Where:
T PROGR - time interval from the instant when the DPM supply voltage exceeds DPM’s UVLO threshold
until the DPM issues the turn-on command. If the Auto Power-Up is enabled, and the turn-on
delay is set to zero, the output voltages start ramping up at the end of T PROGR interval
T INIT - DPM initialization interval after the DPM supply voltage exceeds the UVLO threshold.
T INIT =11.5ms.
T POL - Time required for programming and verifying of one POL converter. T POL =26.5ms.
T AD - Time required for programming and verifying of one Auxiliary Device. T AD =7.5ms.
n POL - Number of POL converters in the system.
n AD - Number of Auxiliary Devices in the system.
The programming data (DPM and POL setup registers and the user memory) can be preloaded into
DPMs by Power-One or the DPMs can be programmed by the user via the GUI, I 2 C bus, or JTAG
programming interface. The DPMs can be programmed either before or after installation on a host
board.
To modify POL converter settings, the user can directly access the registers of a POL converter via the
I 2 C bus, bypassing DPM’s POL setup registers. The I 2 C commands are translated by the DPM and
converted into appropriate SD commands to read / write from / into the registers of a POL converter.
Writing into these registers is limited by the hardware (LCK_N) and/or software write protections. Since
POL converters do not have non-volatile memory, data written directly into POL converter registers will
be lost when the input voltage is removed.
10.4
Monitoring
10.4.1 POL Monitoring
Z-One? POL converters continuously monitor their own performance parameters such as output
voltage, output current, and temperature. The monitored parameters are stored locally in the POL
converters and updated every 1ms. If monitoring feature is enabled, the DPM will be continuously
copying status and parametric data from POL converters into DPM’s monitoring data registers.
The monitoring is enabled by checking the appropriate Retrieve Monitoring bits in the GUI Group
Configuration window shown in Figure 10 or directly via the I 2 C bus by specific commands.
If the status monitoring is enabled, the status of each protection (overcurrent, overvoltage, etc.) is being
reported. If the parametric monitoring is enabled, then real-time values of voltage, current, and
temperature are being reported.
Status and parametric monitoring data of a single POL converter and groups of POL converters can be
examined in the GUI IBS Monitoring Window shown in Figure 11 or directly via the I 2 C bus using
specific commands. Status data for each group of POL converters is presented in the Group Status
block in the left top corner of the window. Parametric data for individual POL converters is shown in
Voltage [V], Current [A], and Temp [T] screens.
DPMs also monitor and report programming status of each POL converter and results of CRC
operations.
ZD-00896 Rev. 5.1, 13-Jul-10
www.power-one.com
Page 16 of 33
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