BQ27545YZFR-G1
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Texas Instruments BQ27545YZFR-G1

Manufacturer No:
BQ27545YZFR-G1
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC BATT FUEL GAUGE LIION 15DSBGA
Delivery:
Payment:
iso14001
iso45001
iso9001
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Product Introduction

Overview

The BQ27545YZFR-G1 is a battery fuel gauge from Texas Instruments, designed for single-cell Li-Ion and Li-Polymer battery packs. This advanced fuel gauge IC integrates seamlessly into portable devices, providing accurate battery state-of-charge (SOC) and other critical battery management functions. Its market positioning targets portable electronics, such as smartphones, tablets, and other handheld devices, where precise battery monitoring is essential. The BQ27545YZFR-G1 stands out for its high accuracy, low power consumption, and robust performance, making it a competitive choice for modern battery management systems.

Key Specifications

ParameterValueUnitNotes
Battery TypeSingle-cell Li-Ion/Li-Polymer-
Operating Voltage2.7 to 4.5V
Communication InterfaceI2C-
Accuracy (SOC)±1%-Typical
Temperature Range-40 to 85°C
PackageDSBGA-15-pin
Dimensions2.5 x 1.5 x 0.625mm
Key FeaturesImpedance Track™ technology-Advanced battery monitoring

Key Features

  • Accurate State-of-Charge (SOC) measurement using Impedance Track™ technology.
  • Low power consumption for extended battery life.
  • Integrated temperature sensing for enhanced safety and performance.
  • I2C communication interface for easy integration with host systems.
  • Compact DSBGA package suitable for space-constrained applications.

Applications

The BQ27545YZFR-G1 is widely used in portable electronic devices, including smartphones, tablets, and handheld medical devices. Its precise SOC measurement and low power consumption make it ideal for applications where battery life and reliability are critical. Additionally, it is suitable for industrial handheld devices and wearable technology, where accurate battery monitoring ensures optimal performance and user safety.

Q & A

1. What is the primary function of the BQ27545YZFR-G1?

The BQ27545YZFR-G1 is a battery fuel gauge that provides accurate State-of-Charge (SOC) and other battery management functions for single-cell Li-Ion/Li-Polymer batteries.

2. What is the operating voltage range of this IC?

The operating voltage range is 2.7V to 4.5V.

3. How accurate is the SOC measurement?

The SOC measurement accuracy is typically ±1%.

4. What communication interface does it use?

It uses an I2C communication interface.

5. What is the temperature range for operation?

The IC operates within a temperature range of -40°C to 85°C.

6. What is the package type of the BQ27545YZFR-G1?

It comes in a 15-pin DSBGA package.

7. What is Impedance Track™ technology?

Impedance Track™ technology is a patented method by Texas Instruments for accurate battery monitoring by measuring the battery's impedance.

8. Is this IC suitable for wearable devices?

Yes, its compact size and low power consumption make it ideal for wearable technology.

9. Can it be used in industrial applications?

Yes, it is suitable for industrial handheld devices where precise battery management is required.

10. Where can I find detailed technical documentation?

Detailed technical documentation is available on the official Texas Instruments website or authorized distributors like Digi-Key, Mouser, and Arrow Electronics.

Product Attributes

Function:Battery Monitor
Battery Chemistry:Lithium Ion
Number of Cells:1
Fault Protection:- 
Interface:HDQ, I²C
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:15-UFBGA, DSBGA
Supplier Device Package:15-DSBGA
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Similar Products

Part Number BQ27545YZFR-G1 BQ27545YZFT-G1 BQ27546YZFR-G1
Manufacturer Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active
Function Battery Monitor Battery Monitor Battery Monitor
Battery Chemistry Lithium Ion Lithium Ion Lithium Ion
Number of Cells 1 1 1
Fault Protection - - -
Interface HDQ, I²C HDQ, I²C HDQ, I²C
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case 15-UFBGA, DSBGA 15-UFBGA, DSBGA 15-UFBGA, DSBGA
Supplier Device Package 15-DSBGA 15-DSBGA 15-DSBGA

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