Isolated, Digital Output, Power Monitoring IC
with Zero-Crossing Detection, Overcurrent and Overvoltage Flagging
ACS37800
ACS37800KMAC-090B3 PERFORMANCE CHARACTERISTICS: Valid through the full operating temperature range,
TA = –40°C to 125°C, CBYPASS = 0.1 µF, and VCC = 3.3 V, unless otherwise specified
Characteristic
GENERAL CHARACTERISTICS
Nominal Supply Voltage
Symbol
Test Conditions
Min.
Typ. [1]
Max.
Unit
VCC(typ)
–
3.3
–
V
NOMINAL PERFORMANCE – CURRENT CHANNEL
Current Sensing Range
Sensitivity
IPR
–90
–
–
90
–
A
Sens(I)
IPR(min) < IP < IPR(max)
305.6
LSB/A
NOMINAL PERFORMANCE – INPUT REFERRED FACTORY POWER (POWER SEEN BY THE DEVICE) [2]
Active Power Sensitivity
Imaginary Power Sensitivity
Apparent Power Sensitivity
SensPd_act
SensPd_img
SensPd_app
–
–
–
1.03
2.05
2.05
–
–
–
LSB/mW
LSB/mVAR
LSB/mVA
TOTAL OUTPUT ERROR COMPONENTS [3] – CURRENT CHANNEL
Measured at IP = IPR(max), TA = 25°C to 125°C
Measured at IP = IPR(max), TA = –40°C to 25°C
IP = 0 A, TA = 25°C to 125°C
–
–
–
–
–
–
±1
–
–
–
–
–
–
%
%
Sensitivity Error
Offset Error
ESENS(I)
±1.5
±180
±210
±2
LSB
LSB
%
EO(I)
IP = 0 A, TA = –40°C to 25°C
Measured at IP = 45 A, TA = 25°C to 125°C
Measured at IP = 45 A, TA = –40°C to 25°C
Total Output Error
ETOT(I)
±2.6
%
TOTAL OUTPUT ERROR COMPONENTS [3] – VOLTAGE CHANNEL
Measured at ΔVIN = ΔVINR(max)
TA = 25°C to 125°C
,
,
–
–
±0.75
±0.75
–
–
%
%
Sensitivity Error
Offset Error
ESENS(V)
Measured at ΔVIN = ΔVINR(max)
TA = –40°C to 25°C
ΔVIN = 0 mV, TA = 25°C to 125°C
ΔVIN = 0 mV, TA = –40°C to 25°C
–
–
±55
±55
–
–
LSB
LSB
EO(V)
Measured at ΔVIN = ΔVINR(max)
TA = 25°C to 125°C
,
–
–
±1
±1
–
–
%
%
Total Output Error
ETOT(V)
Measured at ΔVIN = ΔVINR(max)
TA = –40°C to 25°C
,
ACCURACY PERFORMANCE – ACTIVE POWER
IP = 45 A, measured at ΔVIN = ΔVINR(max)
TA = 25°C to 125°C
,
,
–
–
±1.3
±2.1
–
–
%
%
Total Output Error
ETOT(P)
IP = 45 A, measured at ΔVIN = ΔVINR(max)
TA = –40°C to 25°C
[1] Typical values are mean ±3 sigma.
[2] These sensitivity characteristics are referred to the inputs seen by the device, i.e. the voltage channel resistor divider must be accounted to determine the system sensi-
tivies.
[3] E
= E
+ 100 x V /(Sens x I )
TOT
SENS
OE P
10
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955 Perimeter Road
Manchester, NH 03103-3353 U.S.A.
www.allegromicro.com
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