bq76PL536APAP datasheet(1/60 Pages) TI

部件名	bq76PL536APAP

功能描述	3 to 6 Series Cell Lithium-Ion Battery Monitor and Secondary Protection IC for Applications

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制造商	TI [Texas Instruments]

网页	http://www.ti.com

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bq76PL536A

www.ti.com

SLUSAD3A – JUNE 2011 – REVISED AUGUST 2012

3 to 6 Series Cell Lithium-Ion Battery Monitor and Secondary Protection IC for

Applications

Check for Samples: bq76PL536A

1

FEATURES

APPLICATIONS

2

•

3 to 6 Series Cell Support, All Chemistries

•

Uninterruptible Power Systems (UPS)

•

Hot-Pluggable

•

E-Bike and E-Scooter

•

High-Speed SPI for Data Communications

•

Large-Format Battery Systems

•

Stackable Vertical Interface

DESCRIPTION

•

No Isolation Components Required Between

The bq76PL536A is a stackable three to six series

ICs

cell lithium-ion battery pack protector and analog front

•

Industrial Temperature Range –40°C to 85°C

end (AFE) that incorporates a precision analog-to-

•

High-Accuracy Analog-to-Digital Converter

digital converter (ADC); independent cell voltage and

temperature

protection;

cell

balancing,

and

a

(ADC):

precision 5-V regulator to power user circuitry.

–

±1 mV Typical Accuracy

The bq76PL536A integrates a voltage translation and

–

14-Bit Resolution, 6-µs Conversion Time

precision

analog-to-digital

converter

system

to

–

Nine ADC Inputs: 6 Cell Voltages, 1 Six-Cell

measure battery cell voltages with high accuracy and

Brick Voltage, 2 Temperatures, 1 General-

speed.

Purpose Input

The bq76PL536A provides full protection (secondary

–

Dedicated Pins for Synchronizing

protection)

for

overvoltage,

undervoltage,

and

Measurements

overtemperature conditions. When safety thresholds

•

Configuration Data Stored in ECC-OTP

are exceeded, the bq76PL536A sets the FAULT

Registers

output. No external components are needed to

configure or enable the protection features.

•

Built-In Comparators (Secondary Protector)

for:

Cell voltage and temperature protection functions are

–

Over- and Undervoltage Protection

independent of the ADC system. Programmable

protection thresholds and detection delay times are

–

Overtemperature Protection

stored in Error Check/Correct (ECC) OTP EPROM,

–

Programmable Thresholds and Delay Times

which increases the flexibility and reliability of the

–

Dedicated Fault Output Signals

battery management system.

•

Cell Balancing Control Outputs With Safety

The bq76PL536A is intended to be used with a host

Timeout

controller to maximize the functionality of the battery

management

system.

However,

the

protection

–

Balance Current Set by External

functions do not require a host controller.

Components

•

Supply Voltage Range from 6 V to 30 V

The bq76PL536A can be stacked vertically to monitor

up

to

192

cells

without

additional

isolation

Continuous and 36 V Peak

components

between

ICs.

A

high-speed

serial

•

Low Power:

peripheral interface (SPI) bus operates between each

–

Typical 12-µA Sleep, 45-µA Idle

bq76PL536A to provide reliable communications

•

Integrated Precision 5-V, 3-mA LDO

through a high-voltage battery cell stack.

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

PowerPAD is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

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