78M6618 Ver la hoja de datos (PDF) - Maxim Integrated

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78M6618

Octal Power and Energy Measurement IC

Maxim Integrated 

78M6618 Data Sheet

DS_6618_005

Figures

Figure 1: 78M6618 IC Functional Block Diagram ......................................................................................... 6

Figure 2: AFE Block Diagram ....................................................................................................................... 8

Figure 3: SPI Slave Port: Typical Read and Write Operations ................................................................... 12

Figure 4: SPI Slave Port (MISSION Mode) Timing ..................................................................................... 23

Figure 5: Pinout for QFN-68 Package......................................................................................................... 24

Figure 6: QFN-68 Package Outline (Top, Bottom, and Side View) ............................................................ 25

Figure 7: PCB Land Pattern for QFN 68 Package ...................................................................................... 26

Figure 8: I/O Equivalent Circuits ................................................................................................................. 29

Tables

Table 1: SPI Command Description............................................................................................................ 12

Table 2: Absolute Maximum Ratings .......................................................................................................... 14

Table 3: Recommended External Components .......................................................................................... 15

Table 4: Recommended Operating Conditions........................................................................................... 15

Table 5: Input Logic Levels ......................................................................................................................... 16

Table 6: Output Logic Levels ...................................................................................................................... 16

Table 7: Power-Fault Comparator Performance Specifications.................................................................. 16

Table 8: Battery Monitor Performance Specifications (BME= 1)................................................................. 17

Table 9: Supply Current Performance Specifications ................................................................................. 17

Table 10: V3P3D Switch Performance Specifications ................................................................................ 17

Table 11: 2.5 V Voltage Regulator Performance Specifications................................................................. 18

Table 12: Low-Power Voltage Regulator Performance Specifications ....................................................... 18

Table 13: Crystal Oscillator Performance Specifications ............................................................................ 18

Table 14: LCD DAC Performance Specifications ....................................................................................... 18

Table 15: LCD Driver Performance Specifications ..................................................................................... 19

Table 16: Optical Interface Performance Specifications ............................................................................. 19

Table 17: Temperature Sensor Performance Specifications ...................................................................... 19

Table 18: VREF Performance Specifications.............................................................................................. 20

Table 19: ADC Converter Performance Specifications............................................................................... 21

Table 20: Flash Memory Timing Specifications .......................................................................................... 22

Table 21: EEPROM Interface Timing.......................................................................................................... 22

Table 22: RESET Timing ............................................................................................................................ 22

Table 23: RTC Range ................................................................................................................................. 22

Table 24: SPI Slave Port (MISSION Mode) Timing .................................................................................... 23

Table 25: Recommended PCB Land Pattern Dimensions.......................................................................... 26

Table 26: Power and Ground Pins .............................................................................................................. 27

Table 27: Analog Pins ................................................................................................................................. 27

Table 28: Digital Pins .................................................................................................................................. 28

Table 29: Ordering Information ................................................................................................................... 30

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Rev. 1.4

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