MCP39F511N datasheet(3/61 Pages) MICROCHIP

部件名	MCP39F511N

功能描述	Dual-Channel, Single-Phase Power-Monitoring IC with Calculation

PDF	61 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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3 / 61 page

 2015-2018 Microchip Technology Inc.

DS20005473B-page 3

MCP39F511N

Typical Application

DGND

OSCO

OSCI

DVDD RESET

AVDD

I1-

I1+

V+

REFIN/OUT+

AGND

COMMONA,B

+3.3V

MCP1754

AGND

DGND

33 nF



499 k



8MHz

22 pF

0.01 µF

0.47 µ F 470

470 µF



1µF

0.1 µF

Leave Floating

N.C.

(OPTIONAL)

+3.3V

to MCU

UART_RX

UART_TX

(OPTIONAL)

Connect on PCB

EVENT1

ZCD

EVENT2

PWM

MCP39F511N

499 k



I2-

33 nF



I2+

33 nF



47 µ F

51 k



51 k



+3.3V

UART

Note:

The external sensing components shown here, the 2 mΩ shunts, two 499 kΩ and 5.1 kΩ resistor for the

200:1 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 (e.g. 1% tolerance), measurement accuracy in the 2-3% range can be achieved with zero

calibration. See Section 9.0 “MCP39F511N Calibration” for more information.

33 nF



33 nF

5.1 k



MCP39F511N 数据表(PDF) 3 Page - Microchip Technology

MCP39F511N 数据表(HTML) 3 Page - Microchip Technology

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MCP39F511N 数据表(PDF) 3 Page - Microchip Technology

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