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HomeProductsIntegrated Circuits (ICs)PMIC - Battery ManagementBQ77908DBTR
Texas Instruments
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See specifications for product details.

BQ77908DBTR - Texas Instruments

Manufacturer Part Number
BQ77908DBTR
Manufacturer
Texas Instruments
Allelco Part Number
32D-BQ77908DBTR
ECAD Model
Parts Description
IC BAT MFUNC LI-ION 4-8C 38TSSOP
Detailed Description
Package
38-TFSOP (0.173', 4.40mm Width)
Data sheet
BQ77908DBTR.pdf
RoHs Status
ROHS3 Compliant
In stock: 6290

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Quantity

Specifications

BQ77908DBTR Tech Specifications
Texas Instruments - BQ77908DBTR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - BQ77908DBTR

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Supplier Device Package 38-TSSOP  
Series -  
Package / Case 38-TFSOP (0.173', 4.40mm Width)  
Package Tape & Reel (TR)  
Operating Temperature -25°C ~ 85°C (TA)  
Number of Cells 4 ~ 8  
Product Attribute Attribute Value  
Mounting Type Surface Mount  
Interface I²C  
Function Multi-Function Controller  
Fault Protection Over Current, Over Temperature, Over/Under Voltage, Short Circuit  
Battery Chemistry Lithium Ion/Polymer  
Base Product Number BQ77908  

Parts Introduction

Manufacturer Part Number

BQ77908DBTR

Manufacturer

Texas Instruments

Introduction

The BQ77908DBTR is a highly integrated, multi-function battery management controller for lithium-ion and lithium-polymer battery packs. It provides comprehensive battery protection, cell balancing, and fuel gauging capabilities in a compact package.

Product Features and Performance

Supports 4 to 8 series-connected lithium-ion/polymer battery cells

Integrated precision analog front-end (AFE) and mixed-signal microcontroller

Advanced battery protection features: overcharge, overdischarge, overcurrent, and short-circuit protection

Cell balancing circuitry to maintain cell-to-cell voltage balance

Highly accurate fuel gauging with Impedance Track technology

I2C communication interface for system integration

Wide operating temperature range of -25°C to 85°C

Product Advantages

Comprehensive battery management in a single chip

Robust protection features to ensure safe and reliable battery operation

Precise fuel gauging for accurate state-of-charge monitoring

Flexible configuration and system integration capabilities

Key Reasons to Choose This Product

Maximizes battery safety and reliability

Optimizes battery performance and lifespan

Simplifies battery pack design and reduces component count

Enables accurate state-of-charge reporting for improved user experience

Quality and Safety Features

Meets stringent automotive and industrial quality standards

Integrated protection mechanisms for overvoltage, overcurrent, and overtemperature conditions

Designed for reliable and long-lasting operation

Compatibility

The BQ77908DBTR is compatible with a wide range of lithium-ion and lithium-polymer battery packs, making it suitable for a variety of applications.

Application Areas

Portable electronics

Power tools

E-bikes and electric vehicles

Energy storage systems

Industrial and medical equipment

Product Lifecycle

The BQ77908DBTR is an obsolete product, meaning it is no longer in active production. However, there may be equivalent or alternative models available from other manufacturers. If you need more information or assistance in finding a suitable replacement, please contact our website's sales team.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments BQ77908DBTR

Product Attribute BQ77908DBTR BQ7790509PWR BQ7791500PWR BQ7790522PWR
Part Number BQ77908DBTR BQ7790509PWR BQ7791500PWR BQ7790522PWR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Interface I²C - - -
Function Multi-Function Controller Battery Protection Battery Protection Battery Protection
Operating Temperature -25°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Number of Cells 4 ~ 8 3 ~ 5 3 ~ 5 3 ~ 5
Base Product Number BQ77908 BQ7790509 BQ7791500 BQ7790522
Supplier Device Package 38-TSSOP 20-TSSOP 24-TSSOP 20-TSSOP
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Fault Protection Over Current, Over Temperature, Over/Under Voltage, Short Circuit Over Current, Over Temperature, Over/Under Voltage, Short Circuit Over Current, Over Temperature, Over/Under Voltage, Short Circuit Over Current, Over Temperature, Over/Under Voltage, Short Circuit
Battery Chemistry Lithium Ion/Polymer Lithium Ion Lithium Ion/Polymer Lithium Ion
Package / Case 38-TFSOP (0.173', 4.40mm Width) 20-TSSOP (0.173", 4.40mm Width) 24-TSSOP (0.173", 4.40mm Width) 20-TSSOP (0.173", 4.40mm Width)
Series - - - -
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)

BQ77908DBTR Datasheet PDF

Download BQ77908DBTR pdf datasheets and Texas Instruments documentation for BQ77908DBTR - Texas Instruments.

PCN Obsolescence/ EOL
Cylindrical Battery Holders.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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Texas Instruments

BQ77908DBTR

Texas Instruments
32D-BQ77908DBTR

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