BQ76PL102RGT

更新时间： 2024-09-24 13:05:59

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BQ76PL102RGT 数据手册

bq76PL102

www.ti.com .......................................................................................................................................... SLUS887A–DECEMBER 2008–REVISED OCTOBER 2009

PowerLAN™ Dual-Cell Li-Ion Battery Monitor With PowerPump™ Cell Balancing

FEATURES

DESCRIPTION

•

Monitors up to Two Individual Cell Voltages

and Temperatures

The bq76PL102 PowerLAN dual-cell battery monitor

is part of a complete scalable battery management

system for use with arrays of up to 12 Li-Ion

rechargeable cells. The bq76PL102 connects to one

or two cells in a series string, performs voltage and

temperature monitoring of each individual cell, and

reports these parameters over the PowerLAN

communication network. Together with a bq78PL114

master-gateway battery controller, the bq76PL102

•

Part of a Complete Low-Cost Solution for

Battery Packs of up to 12 Series and One or

More Parallel Cells (When Used With

bq78PL114).

•

Advanced PowerPump™ Balancing

Technology Equalizes Cells in Li-Ion Battery

Packs, Resulting in Longer Run Time and Cell

Life.

forms

management

applications.

complete battery

system for

monitoring and

higher cell-count

PowerPump™ Cell Balancing Transfers

Charge From Cell to Cell During all Operating

Conditions – No Wasteful Current Bleeding or

Associated Heat Buildup.

Partitioning of the battery monitor function on a per

cell basis permits connection and measurement close

to the cell. This results in superior accuracy and

management over competing solutions. This scheme

also facilitates the PowerPump cell balancing system,

a technique which actively balances capacities of

Li-Ion batteries without the excessive heat or

limitations of bleed-balancing techniques.

Unique PowerLAN™ Isolated Communications

Technology Permits Simultaneous

Measurement of All Individual Cell Voltages in

a Series String.

Low Current Consumption:

–

<250 µA Active

The bq76PL102 PowerPump cell balancing

<35 µA Standby

technology uses

a charge-transfer methodology

which does not bleed off excess energy as heat, but

instead moves energy dynamically from cell to cell as

needed. Balancing is performed during all battery

operational modes – charge, discharge, and rest.

Balancing is automatically coordinated between all

cells on a PowerLAN system. PowerPump balancing

technology results in longer run time and longer cell

life.

<1 µA Undervoltage Shutdown

•

Connects Directly to Cells, No Resistive

Dividers

•

Internal LDO Regulator for Support Circuitry

Ultrasmall Footprint, 3-mm × 3-mm

Millivolt Measurement Resolution Using

Delta-Sigma A/D Converter

The PowerLAN communications architecture has

been engineered to provide robust communications in

tough EMI/RFI environments while avoiding the

excessive power draw, high parts count, and elevated

cost of other solutions. PowerLAN permits easy

scalability using series connections of bq76PL102

dual-cell battery monitors. High-cell-count battery

systems of up to 12 series cells are easily

constructed without complicated high-voltage cell

measurement restrictions.

•

Self-Calibrating Time Base – No Crystal

Required When Used With bq78PL114

APPLICATIONS

•

Uninterruptible Power Supplies (UPS)

Portable Medical and Test Equipment

Electric Bikes and Mild-EV Battery Packs

Multicell Series Strings ≥ 5S

The bq76PL102 works with the bq78PL114

master-gateway battery controller.

RELATED DEVICES

•

bq78PL114 Master Gateway Battery Controller

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.

PowerPump, PowerLAN are trademarks 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.

12 3 4 5 6 7...18

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与BQ76PL102RGT相关器件

型号	品牌	获取价格	描述	数据表
BQ76PL102RGTR	TI	获取价格	PowerLAN Dual-Cell Li-Ion Battery Monitor With PowerPump Cell Balancing
BQ76PL102RGTT	TI	获取价格	PowerLAN Dual-Cell Li-Ion Battery Monitor With PowerPump Cell Balancing
BQ76PL536	TI	获取价格	3 to 6 Series Cell Lithium-Ion Battery Monitor and Secondary Protection IC for EV and HEV
BQ76PL536A	TI	获取价格	3 to 6 Series Cell Lithium-Ion Battery Monitor and Secondary Protection IC for Application
BQ76PL536A_16	TI	获取价格	Cell Lithium-Ion Battery Monitor and Secondary Protection IC
bq76PL536APAP	TI	获取价格	3 to 6 Series Cell Lithium-Ion Battery Monitor and Secondary Protection IC for Application
BQ76PL536APAPR	TI	获取价格	3 to 6 Series Cell Lithium-Ion Battery Monitor and Secondary Protection IC for Application
BQ76PL536APAPT	TI	获取价格	3 to 6 Series Cell Lithium-Ion Battery Monitor and Secondary Protection IC for Application
BQ76PL536A-Q1	TI	获取价格	3 to 6 Series Cell Lithium-Ion Battery Monitor and Secondary Protection IC for EV and HEV
BQ76PL536A-Q1_13	TI	获取价格	3 to 6 Series Cell Lithium-Ion Battery Monitor and Secondary Protection IC for EV and HEV

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