78M6613 Maxim, 78M6613 Datasheet - Page 3

• Manufacturer Part Number: 78M6613
• Description: The Teridian™ 78M6613 is a highly integrated IC for simplified implementation of single-phase AC power measurement into power supplies, smart appliances, and other applications with embedded AC load monitoring and control
• Manufacturer: Maxim

DS_6613_018
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Revision History .................................................................................................................................. 33
Fig ures
Figure 1: IC Functional Block Diagram .................................................................................................... 4
Figure 2: AFE Block Diagram .................................................................................................................. 7
Figure 3: Connecting an External Load to DIO Pins ............................................................................... 10
Figure 4: Voltage. Current, Momentary and Accumulated Energy .......................................................... 11
Figure 5: MPU/CE Data Flow ................................................................................................................ 12
Figure 6: MPU/CE Communication ........................................................................................................ 13
Figure 7: Resistive Voltage Divider........................................................................................................ 14
Figure 8: Resistive Current Shunt .......................................................................................................... 14
Figure 9: Current Transformer ............................................................................................................... 14
Figure 10: Connections for the RX Pin ................................................................................................... 16
Figure 11: 78M6613 External Reset Behavior........................................................................................ 17
Figure 12: MAX810S Connections to the 78M6613 ................................................................................ 17
Figure 13: Reset Generator Based On TL431 Shunt Regulator .............................................................. 18
Figure 14: External Components for the Emulator Interface .................................................................. 18
Figure 16: Typical Measurement Accuracy over Temperature Relative to 25°C ..................................... 25
Figure 17: 32-Pin QFN Pinout ............................................................................................................... 26
Figure 18: Package Outline (QFN 32).................................................................................................... 27
Figure 19: Recommended PCB Land Pattern Dimensions ..................................................................... 28
Figure 20: I/O Equivalent Circuits .......................................................................................................... 31
Table
Table 1: Inputs Selected in Regular and Alternate Multiplexer Cycles ...................................................... 6
Rev 2
Figure 15: Wh Accuracy, 10 mA to 20 A at 120 V/60 Hz and Room Temperature Using a 4 mΩ
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Packaging .................................................................................................................................... 26
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5.2
5.3
Pin Descriptions .......................................................................................................................... 29
6.1
6.2
6.3
I/O Equivalent Circuits ................................................................................................................ 31
Ordering Information................................................................................................................... 32
Contact Information .................................................................................................................... 32
Timing Specifications ............................................................................................................ 24
Pinout ................................................................................................................................... 26
Package Outline (QFN 32) .................................................................................................... 27
Recommended PCB Land Pattern for the QFN-32 Package ................................................. 28
Power/Ground Pins ............................................................................................................... 29
Analog Pins .......................................................................................................................... 29
Digital Pins ........................................................................................................................... 30
4.5.1 RAM and Flash Memory ............................................................................................ 24
4.5.2 RESET ...................................................................................................................... 24
4.5.3 Typical Performance Data ......................................................................................... 25
Current Shunt ....................................................................................................................... 25
78M6613 Data Sheet
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