PAC1932SLASH3SLASH4 datasheet(1/62 Pages) MICROCHIP

部件名	PAC1932/3/4

功能描述	Multi-Channel DC Power/Energy Monitor with Accumulator

PDF	62 Pages

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制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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1 / 62 page

 2017-2018 Microchip Technology Inc.

DS20005850C-page 1

PAC1932/3/4

Features

• High-Side Current Monitor with 2, 3 or 4 Channels

- 100 mV full scale range for current sense

voltage,16 bit resolution

- Selectable bidirectional current sense

capability, -100 mV to +100 mV range, 16 bit

two’s complement (signed) data format

- External sense resistor sets full scale current

range

- Very low input current simplifies routing

• Wide Bus Voltage Range for Voltage Monitor

- 0V to 32V input common-mode voltage

- 16 bit resolution for voltage measurements,

14 bits are used for power calculations

• Real Time Auto-Calibration of Offset and Gain

Errors for Voltage and Current, No User

Adjustment Required

• 1% Power Measurement Accuracy over a Wide

Dynamic Range

• On-Chip Accumulation of 28-bit Power Results for

Energy Measurement

- 48-bit power accumulator register for

recording accumulated power data

- 24 bit Accumulator Count

- User programmable sampling rates of 8, 64,

256 and 1024 samples per second

- 17 minutes of power data accumulation

minimum at 1024 S/s

- Over 36 hours of power data accumulation

minimum at 8 S/s

• 2.7V to 5.5V Supply Operation

- Separate VDD I/O pin for digital I/O

- 1.62-5.5V capable SMBus and digital I/O

- SMBus 3.0 and I2C Fast Mode Plus (1Mb/S)

• SMBus Address – 16 Options, set with Resistor

• No Input Filters Required

• ALERT Features that can be Enabled:

- ALERT on accumulator overflow

- ALERT on Conversion Complete

• 4x4x0.5 mm UQFN Package

• 2.225x2.17 mm WLCSP Package

- WLCSP available for PAC1934 only

- Contact Marketing for other options

Applications

• Embedded Computing

•Networking

• FPGA Systems

• Automotive

• Low voltage/High Power – AI, GPU

• Industrial

• Linux Applications

• Notebook and Tablet Computing

• Cloud, Linux and Server Computing

Computing Platform Support

•Windows® 10 Driver

• Linux Driver

• Python Script

Description

The PAC1932/3/4 are two, three and four-channel

power and energy monitoring devices. A high-voltage

multiplexer sequentially connects the inputs to a bus

voltage monitor and current sense amplifier that feed

high-resolution ADCs. Digital circuitry performs power

calculations and energy accumulation.

This enables energy monitoring with integration

periods from 1 ms up to 36 hours or longer. Bus

voltage, sense resistor voltage and accumulated

proportional power are stored in registers for retrieval

by the system master or Embedded Controller.

The sampling rate and energy integration period can be

controlled over SMBus or I2C. Active channel selection,

one-shot measurements and other controls are also

configurable by SMBus or I2C.

The PAC1932/3/4 device family uses real time

calibration to minimize offset and gain errors. No input

filters are required for this device.

Multi-Channel DC Power/Energy Monitor with Accumulator

类似零件编号 - PAC1932/3/4

制造商	部件名	数据表	功能描述
Microchip Technology	PAC1932	1Mb / 64P	Single/Multi-Channel DC Power/Energy Monitor with Accumulator 05/14/19
	PAC1932T-I/J6CX	1Mb / 64P	Single/Multi-Channel DC Power/Energy Monitor with Accumulator 05/14/19
	PAC1932T-I/JQ	1Mb / 64P	Single/Multi-Channel DC Power/Energy Monitor with Accumulator 05/14/19

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