Használati útmutató Microchip MCP39F521
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2015 Microchip Technology Inc.DS20005442A-page 1
MCP39F521
Features
•Power Monitoring Accuracy Capable of 0.1%
Error Across 4000:1 Dynamic Range
•Built-In Calculations on Fast 16-bit Processing
Core
-Active, Reactive, Apparent Power
-True Root Mean Square (RMS) Current,
RMS Voltage
-Line Frequency, Power Factor
•64-bit Wide Import and Export Active Energy
Accumulation Registers
•64-bit Four Quadrant Reactive Energy
Accumulation Registers
•Signed Active and Reactive Power Outputs
•Dedicated Zero Crossing Detection (ZCD) Pin
Output with Less than 100 µs Latency
•Automatic Event Pin Control through Fast Voltage
Surge Detection, Less than 5 ms Delay
• I2C Interface, up to 400 kHz Clock Rate
•Two Independent Registers for Minimum and
Maximum Output Quantity Tracking
•Fast Calibration Routines and Simplified
Command Protocol
•512 Bytes User-Accessible EEPROM through
Page Read/Write Commands
•Low-Drift Internal Voltage Reference,
10 ppm/°C Typical
•28-lead 5 x 5 mm QFN Package
•Extended Temperature Range -40°C to +125°C
Applications
•Power Monitoring for Home Automation
•Industrial Lighting Power Monitoring
•Real-Time Measurement of Input Power for
AC/DC Supplies
•Intelligent Power Distribution Units
Description
The MCP39F521 is a highly integrated, complete
single-phase power-monitoring device, designed for
real-time measurement of input power for AC/DC
power supplies, power distribution units, consumer and
industrial applications. It includes dual-channel
delta-sigma ADCs, a 16-bit calculation engine,
EEPROM and a flexible two-wire I2C interface.
An integrated low-drift voltage reference with
10 ppm/°C in addition to 94.5 dB of signal-to-noise and
distortion ratio (SINAD) performance on each
measurement channel allows for better than 0.1%
accurate designs across a 4000:1 dynamic range.
Package Types
1
25
2
3
4
5
8910 1112
20
18
17
2827 2624
EVENT
NC
COMMONB
COMMONA
NC
NC
NC
AVDD
A0
RESET
DVDD
DGND
MCLR
EP
29
6
7
OSCI
OSCO
13 14
SCL
SDA
16
15
23 22
REFIN+/OUT
ZCD
I1+
I1-
V1-
V1+
AN_IN
AGND
DGND
A1
DR
MCP39F521
5x5 QFN*
*Includes Exposed Thermal Pad (EP); see Table 3-1.
19
21
I2C Power Monitor with Calculation and Energy Accumulation
Termékspecifikációk
| Márka: | Microchip |
| Kategória: | nincs kategorizálva |
| Modell: | MCP39F521 |
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