Isolated, Digital Output, Power Monitoring IC
with Zero-Crossing Detection, Overcurrent and Overvoltage Flagging
ACS37800
Register 0x26
Bits
Name
Description
Averaged voltage RMS value; duration set by rms_avg_1.
This register will be zero if iavgselen = 1
15:0
vrmsavgonesec
Averaged current RMS value; duration set by rms_avg_1.
This register will be zero if iavgselen = 0
31:16
irmsavgonesec
vrmsavgonesec
irmsavgonesec
Voltage RMS value averaged according to rms_avg_1. This regis- Current RMS value averaged according to rms_avg_1. This regis-
ter will be zero if iavgselen = 1.
ter will be zero if iavgselen = 0.
Register 0x27
Bits
Name
Description
Averaged voltage RMS value; duration set by rms_avg_2.
This register will be zero if iavgselen = 1
15:0
vrmsavgonemin
Averaged current RMS value; duration set by rms_avg_2.
This register will be zero if iavgselen = 0
31:16
irmsavgonemin
vrmsavgonemin
irmsavgonemin
Voltage RMS value averaged according to rms_avg_2. This regis- Current RMS value averaged according to rms_avg_2. This regis-
ter will be zero if iavgselen = 1.
ter will be zero if iavgselen = 0.
Register 0x28
Bits
Name
Description
Active Power value averaged over up to one second; duration set by rms_avg_1
15:0
pactavgonesec
pactavgonesec
Active power value averaged according to rms_avg_1.
Register 0x29
Bits
Name
Description
15:0
pactavgonemin
Active Power value averaged over up to one minute; duration set by rms_avg_2
pactavgonemin
Active power value averaged according to rms_avg_2.
35
Allegro MicroSystems
955 Perimeter Road
Manchester, NH 03103-3353 U.S.A.
www.allegromicro.com
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