71M6533 Datasheet, PDF (5/132 Pages) Teridian Semiconductor Corporation – Energy Meter IC

FDS_6533_6534_004
71M6533/G/H and 71M6534/H Data Sheet
Figures
Figure 2: General Topology of a Chopped Amplifier............................................................................... 12
Figure 4: AFE Block Diagram................................................................................................................. 14
Figure 5: Samples from Multiplexer Cycle .............................................................................................. 17
Figure 7: Interrupt Structure................................................................................................................... 36
Figure 8: Optical Interface...................................................................................................................... 42
Figure 9: Connecting an External Load to DIO Pins ............................................................................... 46
Figure 11: 3-wire Interface. Write Command, HiZ=1.............................................................................. 49
Figure 12: 3-wire Interface. Read Command......................................................................................... 49
Figure 13: 3-Wire Interface. Write Command when CNT=0................................................................... 49
Figure 15: SPI Slave Port: Read Operation with Gap ............................................................................. 51
Figure 16: SPI Slave Port: Typical Read and Write Operations .............................................................. 53
Figure 17: Functions Defined by V1 ....................................................................................................... 53
Figure 18: Voltage, Current, Momentary and Accumulated Energy......................................................... 55
Figure 19: Timing Relationship between ADC MUX and Compute Engine.............................................. 56
Figure 20: RTM Output Format .............................................................................................................. 56
Figure 21: Operation Modes State Diagram ........................................................................................... 57
Figure 23: Power-Up Timing with V3P3SYS and VBAT Tied Together ................................................... 60
Figure 24: Power-Up Timing with VBAT Only......................................................................................... 61
Figure 25: Functional Blocks in BROWNOUT Mode............................................................................... 62
Figure 26: Functional Blocks in LCD Mode............................................................................................. 63
Figure 28: Wake Up Timing ................................................................................................................... 66
Figure 29: MPU/CE Data Flow............................................................................................................... 66
Figure 30: MPU/CE Communication ...................................................................................................... 67
Figure 31: Resistive Voltage Divider ...................................................................................................... 68
Figure 32: CT with Single Ended (Left) and Differential Input (Right) Connection.................................... 68
Figure 33: Resistive Shunt (Left), Rogowski Sensor (Right) ................................................................... 68
Figure 34: Error Band for VREF over Temperature (Regular-Accuracy Parts) ........................................ 71
Figure 35: Error Band for VREF over Temperature (High-Accuracy Parts) ............................................. 71
Figure 36: Connecting LCDs.................................................................................................................. 73
Figure 37: I²C EEPROM Connection...................................................................................................... 73
Figure 38: Three-Wire EEPROM Connection ......................................................................................... 74
Figure 39: Connections for UART0 ........................................................................................................ 74
Figure 40: Connection for Optical Components...................................................................................... 75
Figure 41: Voltage Divider for V1 ........................................................................................................... 75
Figure 42: External Components for the RESET Pin: Push-Button (Left), Production Circuit (Right) ....... 76
Figure 43: External Components for the Emulator Interface ................................................................... 76
Figure 45: CE Data Flow: Multiplexer and ADC.................................................................................... 105
Figure 47: CE Data Flow: Squaring and Summation Stages................................................................. 106
Figure 48: SPI Slave Port (MISSION Mode) Timing ............................................................................. 117
Figure 49: Wh Accuracy (0.1 A - 200 A, 240 V, Room Temperature) at Various Frequencies (Differential
Mode, CTs) .................................................................................................................................. 118
Figure 50: Typical Wh Accuracy (0.02 A - 200 A, 240 V, Room Temperature), Various Load Angles
(Differential Mode, CTs)................................................................................................................ 118
Figure 51: 71M6533/71M6533G/71M6533H 100-Pin LQFP Package Outline....................................... 119
Figure 52: 71M6534/6534H 120-Pin LQFP Package Outline................................................................ 120
Figure 53: Pinout for 71M6533/71M6533G/71M6533H LQFP-100 Package ......................................... 121
Figure 54: Pinout for 71M6534/71M6534H LQFP-120 Package ........................................................... 122
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