78M6613-IMRP データシートの表示（PDF） - Teridian Semiconductor Corporation

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78M6613-IMRP

Single-Phase AC Power Measurement IC

Teridian Semiconductor Corporation 

DS_6613_018

78M6613 Data Sheet

4.5 Timing Specifications............................................................................................................ 24

4.5.1 RAM and Flash Memory............................................................................................ 24

4.5.2 RESET...................................................................................................................... 24

4.5.3 Typical Performance Data......................................................................................... 25

5 Packaging .................................................................................................................................... 26

5.1 Pinout ................................................................................................................................... 26

5.2 Package Outline (QFN 32).................................................................................................... 27

5.3 Recommended PCB Land Pattern for the QFN-32 Package ................................................. 28

6 Pin Descriptions .......................................................................................................................... 29

6.1 Power/Ground Pins ............................................................................................................... 29

6.2 Analog Pins .......................................................................................................................... 29

6.3 Digital Pins ........................................................................................................................... 30

7 I/O Equivalent Circuits ................................................................................................................ 31

8 Ordering Information................................................................................................................... 32

9 Contact Information .................................................................................................................... 32

Revision History .................................................................................................................................. 33

Figures

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 15: Wh Accuracy, 10 mA to 20 A at 120 V/60 Hz and Room Temperature Using a 4 mΩ

Current Shunt....................................................................................................................... 25

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. 1.1

3

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