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MCP39F511A-EMQ датащи(PDF) 3 Page - Microchip Technology

номер детали MCP39F511A-EMQ
подробное описание детали  AC/DC Dual-Mode Power-Monitoring IC with Calculation and Energy Accumulation
PDF  68 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP39F511A-EMQ датащи(HTML) 3 Page - Microchip Technology

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 2018 Microchip Technology Inc.
DS20006044A-page 3
MCP39F511A
MCP39F511A Typical Application – Single Phase, Two-Wire Application Schematic
DGND
OSCO
OSCI
DVDD RESET
AVDD
I1+
I1-
V1-
V1+
NC
NC
NC
REFIN/OUT+
AGND
COMMONA,B
NC
LOAD
+3.3V
L
N
MCP1754
+3.3V
AGND
DGND
+
-
33 nF
33 nF
33 nF
1k
1k
1k
499 k
1k
4MH
z
22 pF
22 pF
33 nF
0.01 µF
0.47 µF 470
470 µF
10
1µF
0.1 µF
0.1 µF
0.1 µF
AN_IN
2
m
Leave Floating
N.C.
MCP9700A
(OPTIONAL)
+3.3V
to MCU UART
to MCU UART
UART_RX
UART_TX
DR
(OPTIONAL)
Connect on PCB
EVENT1
ZCD
EVENT2
PWM
MCP39F511A
499 k
Note 1:
The MCP39F511A demonstration board uses a switching power supply, however a low-cost
capacitive-based supply, as shown here, is sufficient for many applications.
2:
The external sensing components shown here, a 2 m
 shunt, two 499 k and 1 k resistors for the
1000:1 voltage divider, are specifically chosen to match the default values for the calibration registers
defined in Section 6.0 “Register Descriptions”. By choosing low-tolerance components of these
values (for instance 1% tolerance), measurement accuracy in the 2-3% range can be achieved with
zero calibration (AC only, offset calibration may be needed in DC mode). See Section 9.0
“MCP39F511A Calibration”
for more information.
+3.3V



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