MPF42791 datasheet(1/75 Pages) MPS

tên linh kiện	MPF42791

Giải thích chi tiết về linh kiện	2 to 16 Stacked Cells Battery Pack Fuel Gauge with Resistance Detection and Thermal Model

PDF	75 Pages

Scroll/Zoom	100%

nhà sản xuất	MPS [Monolithic Power Systems]

Trang chủ	http://www.monolithicpower.com

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MPF42791

2 to 16 Stacked Cells Battery Pack

Fuel Gauge with Resistance Detection

and Thermal Model

MPF42791 Rev. 1.0

MonolithicPower.com

1

9/19/2022

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

DESCRIPTION

The MPF42791 is a drop-in solution to provide

comprehensive status information on lithium-ion

battery strings up to 16 series cells. The

MPF42791

estimates

the

internal

state-of-

charge (SOC) and state-of-health (SOH) for

each cell, as well as the full pack. The

MPF42791

also

determines

impedance,

remaining

runtime,

charge

time,

and

instantaneous

available

power.

On-board

memory enables the lifetime logging of key

parameters.

The MPF42791 is simple to use and supports a

variety of lithium cell chemistries and cell sizes.

A few basic configurations allow for quick set-up,

and advanced configuration capabilities can

fine-tune the device for specific applications.

When paired with an MP279x battery monitor,

the MPF42791 can achieve SOC accuracy

within 2.5% across the temperature range. The

MPF42791 can also be paired with other analog

front-end (AFE) or battery stack monitors. The

400kHz I2C interface provides standard, robust

communication. The 5-level LED drivers provide

a simple, cost-effective charge level indicator for

the device.

The MPF42791 is available in a TQFN-32

(4mmx4mm) package.

MINIMUM SYSTEM REQUIREMENTS

• BMS AFE Providing Individual Cell

Voltages, Pack Currents, and Temperatures

• M0 System MCU with I2C and Interrupt,

48KB of Flash and 4KB of RAM

FEATURES

• Compatible with Commonly Used Battery

Monitors for Up to 16 Series Cells

o

±2.5% State-of-Charge (SOC) Accuracy

when Paired with MP279x Battery

Monitors

• Provides Critical Battery Information:

o

Pack and Cell SOC

o

Pack and Cell State-of-Health (SOH)

o

Remaining Runtime and Charge Time

o

Instantaneous Available Power

• Supports a Wide Variety of Lithium Cells

• Adaptive Learning Can Be Enabled to:

o

Refine Initial Charge Settings

o

Refine Initial Discharge Settings

o

Update

Individual Cells’ State-of-Health

(SOH) to Track Degradation

o

Update Equivalent Series Resistance

(ESR) to Track Degradation

• Provides Lifetime Logging

• Supports 5-Level LED SOC Indicator with

Push-Button Trigger

• 2.5V Minimum Supply Voltage

• Low Current Consumption: 6µA in Disabled

Mode and 135µA (Average) in Operating

Mode during Rest

• Supports Up to 400kHz I2C with CRC for

Robust Communication

• Available in a Compact TQFN-32

(4mmx4mm) Package

• Available in Turn-Key MPS BMS Module:

o

MBM1xS-P50-B and MBM1xS-P100-B

APPLICATIONS

• Light EVs: Scooters, Bikes, and Golf Carts

• Energy Storage: Uninterruptable Power

Supplies (UPS) and Renewable Energy

• Industrial Robots, Floor Cleaners, and

Forklifts

• Cordless Tools and Gardening Equipment

All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive.

For MPS green status, please visit the MPS website under Quality

Assurance. “MPS”, the MPS logo, and “Simple, Easy Solutions” are

trademarks of Monolithic Power Systems, Inc. or its subsidiaries.

Số phần tương tự - MPF42791

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Motorola, Inc	MPF4392	119Kb / 6P	JFETs Switching
ON Semiconductor	MPF4392	119Kb / 6P	JFETs Switching 1997 REV 1
	MPF4392	75Kb / 6P	JFET Switching Transistors N?묬hannel ??Depletion January, 2006 ??Rev. 5
	MPF4392	126Kb / 6P	JFET Switching Transistors February, 2012 ??Rev. 6
	MPF4392G	75Kb / 6P	JFET Switching Transistors N?묬hannel ??Depletion January, 2006 ??Rev. 5

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Mô tả tương tự - MPF42791

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Maxim Integrated Produc...	DS2751	253Kb / 19P	Multichemistry Battery Fuel Gauge 2007
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