OM13005,598 NXP Semiconductors, OM13005,598 Datasheet - Page 192
![BOARD EVAL EM773 METER US PLUG](/photos/38/74/387430/om13005_sml.jpg)
OM13005,598
Manufacturer Part Number
OM13005,598
Description
BOARD EVAL EM773 METER US PLUG
Manufacturer
NXP Semiconductors
Type
Other Power Managementr
Specifications of OM13005,598
Design Resources
Plug Meter Schematics, Gerber Files USB Dongle Schematics, Gerber Files
Main Purpose
Power Management, Energy/Power Meter
Embedded
Yes, MCU, 32-Bit
Utilized Ic / Part
EM773FHN33,551
Interface Type
USB
Maximum Operating Temperature
+ 150 C
Operating Supply Voltage
1.8 V to 3.6 V
Product
Power Management Development Tools
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Primary Attributes
-
Secondary Attributes
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
EM773, OL2381
Other names
568-6680
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NXP Semiconductors
16.6 Operation
UM10415
User manual
16.6.1.1 Voltage measurement input range Vpp
16.6.1.2 Current measurement input range I1pp
16.6.1 Configuration data
This section explains the configuration data and calibration procedure for the Metrology
Engine. Details on the Metrology Engine interface are described in
Summarizes the Metrology Engine configuration parameters.
Table 179. Metrology Engine configuration parameters
The parameter Vpp depends on transfer of the analog input circuit in front of the
Metrology Engine and it sets the peak-to-peak range for the voltage channel (in Volt).
Examples: For 110 V mains this value will be at least 2√2 * 110 = 311 V and for 230 V
mains at least 650 V. In practice these values need to be larger, because margins for
mains voltage fluctuations and for component tolerances need to be accounted for in the
input circuit design.
The transfer of the analog input circuit in front of the Metrology Engine must guarantee
that the signal at the VOLTAGE input of the Energy Measurement IC is between V
V
The parameter I1pp for the I_HIGHGAIN input depends on transfer of the analog input
circuit in front of the Metrology Engine and it sets the peak-to-peak range for the first
current channel (in Ampere).
Example: For a single current-channel 16 A meter this value will be at least 2√2 * 16 =
45.3 A. For a two current-channel 16 A meter this range will cover the range from 0 to 1 A
and the corresponding value for I1pp will be at least 2√2 * 1 = 2.83 A. In practice the
above values need to be larger, because margins for component tolerances need to be
accounted for in the input circuit design.
The transfer of the analog input circuit in front of the Metrology Engine must guarantee
that the signal at the I_HIGHGAIN input of the Energy Measurement IC is between V
and V
Member
Vpp
I1pp
I2pp
DeltaPhi1
DeltaPhi2
DD
.
DD
.
All information provided in this document is subject to legal disclaimers.
Description
Voltage measurement input range (in Volt peak-peak) for VOLTAGE channel
Current measurement input range (in Ampere peak-peak) for I_HIGHGAIN
channel
Current measurement input range (in Ampere peak-peak) for I_LOWGAIN
channel
Phase error correction angle (in radian) for I_HIGHGAIN channel
Phase error correction angle (in radian) for I_LOWGAIN channel
Rev. 1 — 10 September 2010
Chapter 16: EM773 Metrology engine
Chapter
UM10415
© NXP B.V. 2010. All rights reserved.
17.
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