BQ27742YZFR-G1
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Texas Instruments BQ27742YZFR-G1

Manufacturer No:
BQ27742YZFR-G1
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC BATT FUEL GAUGE LI-ION 15-DSB
Delivery:
Payment:
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Product Introduction

Overview

The BQ27742YZFR-G1 is a highly integrated battery management IC developed by Texas Instruments. This product is designed for single-cell Li-ion or Li-polymer battery packs, offering advanced fuel gauging and protection features. It is ideal for applications requiring accurate battery state-of-charge (SOC) monitoring, such as portable electronics, medical devices, and IoT devices. The BQ27742YZFR-G1 stands out for its low power consumption, high accuracy, and robust protection mechanisms, making it a competitive choice in the battery management market.

Key Specifications

ParameterValueUnitNotes
Battery ChemistryLi-ion/Li-polymer-Single-cell
Operating Voltage2.7 to 4.5V-
Communication InterfaceI2C--
Accuracy±1%-State-of-Charge
Operating Temperature-40 to 85°C-
PackageDSBGA-12-pin
Protection FeaturesOvervoltage, Undervoltage, Overcurrent--
Power ConsumptionLow--

Key Features

  • Accurate Fuel Gauging: Provides precise state-of-charge (SOC) estimation with ±1% accuracy.
  • Low Power Consumption: Optimized for energy-efficient operation, extending battery life.
  • Robust Protection: Includes overvoltage, undervoltage, and overcurrent protection for enhanced safety.
  • Compact Design: Available in a small 12-pin DSBGA package, suitable for space-constrained applications.
  • I2C Interface: Enables easy integration with microcontrollers and other devices.

Applications

The BQ27742YZFR-G1 is widely used in various industries, including:

  • Portable Electronics: Smartphones, tablets, and laptops benefit from its accurate SOC monitoring and compact design.
  • Medical Devices: Ensures reliable battery performance in critical medical equipment.
  • IoT Devices: Ideal for low-power IoT applications requiring long battery life.
  • Consumer Electronics: Used in wearable devices and other small electronic gadgets.

Q & A

1. What is the operating voltage range of the BQ27742YZFR-G1?

The operating voltage range is 2.7V to 4.5V.

2. What battery chemistries does this IC support?

It supports single-cell Li-ion and Li-polymer batteries.

3. What is the accuracy of the SOC estimation?

The SOC estimation accuracy is ±1%.

4. What communication interface does it use?

It uses the I2C communication interface.

5. What are the key protection features?

It includes overvoltage, undervoltage, and overcurrent protection.

6. What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

7. What package does the BQ27742YZFR-G1 come in?

It comes in a 12-pin DSBGA package.

8. Is it suitable for IoT applications?

Yes, its low power consumption makes it ideal for IoT devices.

9. Can it be used in medical devices?

Yes, it ensures reliable battery performance in medical devices.

10. What makes this IC competitive in the market?

Its high accuracy, low power consumption, and robust protection mechanisms make it a competitive choice.

Product Attributes

Function:Multi-Function Controller
Battery Chemistry:Lithium Ion
Number of Cells:1
Fault Protection:Over Current, Over/Under Voltage, Short Circuit
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 BQ27742YZFR-G1 BQ27742YZFT-G1 BQ27741YZFR-G1
Manufacturer Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active
Function Multi-Function Controller Multi-Function Controller Multi-Function Controller
Battery Chemistry Lithium Ion Lithium Ion Lithium Ion
Number of Cells 1 1 1
Fault Protection Over Current, Over/Under Voltage, Short Circuit Over Current, Over/Under Voltage, Short Circuit Over Current, Over Temperature, Over/Under Voltage, Short Circuit
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 (2.78x1.96)

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