Mfr Part #:

BQ27741YZFT-G1

The Texas Instruments BQ27741YZFT-G1 is a pack-side Impedance Track fuel gauge with integrated protector for 1-series Li-Ion applications. It offers accurate battery fuel gauging and safety features.

✓ Total Stock: 1,064 pcs

$ Price Range: $4.30

BQ27741YZFT-G1 Available from 2 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Optech Co.,Limited ✓ Non-Authorised Inventory information	819 pcs On Request	819 pcs	On Request	1	On Request	On Request	13+	On Request	On Request
Smaxon Electronics ✓ Non-Authorised Inventory information	245 pcs On Request	245 pcs	On Request	1	On Request	On Request	13+	On Request	On Request

BQ27741YZFT-G1 Description

Short technical summary and product information.

The Texas Instruments BQ27741YZFT-G1 is a pack-side fuel gauge IC designed for single-cell Lithium-Ion battery applications. It utilizes patented Impedance Track technology for accurate battery fuel gauging, providing reliable time-to-empty predictions.

Key features include a precision 16-bit high-side Coulomb counter, support for external and internal temperature sensors, and a sense resistor range of 5 mΩ to 20 mΩ. The device offers comprehensive safety and protection functions, including over/undervoltage protection, overcharging and discharging current protection, overtemperature protection, and short-circuit protection.

This IC is housed in a compact 15-ball NanoFree (DSBGA) package, suitable for surface mounting. It operates within a temperature range of -40°C to 85°C and communicates with a host system via HDQ and I²C interface formats. The BQ27741YZFT-G1 supports battery capacities up to 14,500 mAh.

BQ27741YZFT-G1 Quick Information

Product Type: Battery Fuel Gauge IC

Series: BQ27741

Canonical Name: BQ27741YZFT-G1 Single-Cell Li-Ion Battery Fuel Gauge with Integrated Protection

Subcategory: Battery Management ICs

BQ27741YZFT-G1 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

BQ27741YZFT-G1 Estimated Pricing

Qty	Low	High
1+	$4.30	$4.30

Estimated market price range - modelled values for guidance only, not live distributor offers.

BQ27741YZFT-G1 Features

Accurate battery fuel gauging with Impedance Track technology.
Integrated safety and protection features.
Supports up to 14,500 mAh battery capacity.
16-bit high-side Coulomb counter.
Compact 15-ball NanoFree (DSBGA) package.

BQ27741YZFT-G1 Applications

Ideal for portable electronic devices.
Suitable for battery management systems.
Used in power tools and medical devices.
Enables reliable battery monitoring.

BQ27741YZFT-G1 FAQs

6 frequently asked questions generated from this part’s specifications.

What is the operating temperature range for the BQ27741YZFT-G1?

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

What package type is the BQ27741YZFT-G1 supplied in?

The BQ27741YZFT-G1 is supplied in a 15-DSBGA package.

What interfaces does the BQ27741YZFT-G1 support?

The BQ27741YZFT-G1 supports HDQ and I2C interfaces.

What battery chemistry is compatible with the BQ27741YZFT-G1?

The BQ27741YZFT-G1 is designed for Lithium Ion battery chemistry.

What is the maximum battery capacity supported by the BQ27741YZFT-G1?

The BQ27741YZFT-G1 supports up to 14,500 mAh battery capacity.

What types of fault protection are included in the BQ27741YZFT-G1?

The BQ27741YZFT-G1 includes over current, over temperature, over/under voltage, and short circuit protection.

Category	Battery Management
Manufacturer Name	Texas Instruments
Battery Chemistry	Lithium Ion
Fault Protection	Over Current, Over Temperature, Over/Under Voltage, Short Circuit
Function	Multi-Function Controller
Interface	HDQ, I2C
Lead Style	Smd
Mounting Type	Surface Mount
Number of Cells	1
Operating Temperature	-40 to 85
Supplier Device Package	15-DSBGA
Tape & Reel	3000