Mfr Part #:

BQ27542DRZR-G1

The Texas Instruments BQ27542DRZR-G1 is an IC designed for battery fuel gauge applications. It supports Lithium Ion batteries and features an HDQ/I2C interface.

✓ Total Stock: 13,381 pcs

$ Price Range: $0.75

BQ27542DRZR-G1 Available from 3 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	7,909 pcs On Request	7909 pcs	On Request	1	On Request	On Request	21+	On Request	2026-06-03 03:15:16
Smaxon Electronics ✓ Non-Authorised Inventory information	4,000 pcs On Request	4000 pcs	On Request	1	On Request	On Request	21+	On Request	On Request
Xingangxin ✓ Non-Authorised Inventory information	1,472 pcs On Request	1472 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

BQ27542DRZR-G1 Description

Short technical summary and product information.

The BQ27542DRZR-G1 from Texas Instruments is an integrated circuit specifically designed for battery fuel gauge functionality. This component is optimized for Lithium Ion battery chemistries, providing essential monitoring capabilities for battery status and health.

Key electrical characteristics include an operating temperature range of -40°C to 85°C, making it suitable for a wide array of environmental conditions. The device supports both HDQ and I2C communication interfaces, allowing for flexible integration into various system architectures. It is designed to monitor a single cell battery.

This IC is supplied in a 12-VFDFN Exposed Pad package, requiring surface mount installation. The standard package quantity is 3000 units on a 330mm reel, with a reel width of 12.4mm. The BQ27542DRZR-G1 is RoHS3 compliant, has an MSL rating of 1, and is REACH unaffected, though these compliance statuses have low confidence due to lack of direct verification.

This part is suitable for applications requiring precise battery monitoring, such as portable electronics, power tools, and energy storage systems where accurate fuel gauging is critical for performance and user experience.

BQ27542DRZR-G1 Quick Information

Product Type: Battery Fuel Gauge IC

Series: BQ27542

Canonical Name: BQ27542DRZR-G1 Battery Fuel Gauge IC

Subcategory: Battery Management

BQ27542DRZR-G1 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

BQ27542DRZR-G1 Estimated Pricing

Qty	Low	High
1+	$0.75	$0.75

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

BQ27542DRZR-G1 Features

Monitors single-cell Lithium Ion batteries.
Supports HDQ and I2C communication interfaces.
Operates from -40°C to 85°C temperature range.
Surface mount 12-VFDFN exposed pad package.
Supplied in reels of 3000 units.

BQ27542DRZR-G1 Applications

Ideal for portable electronic devices.
Suitable for power tool battery management.
Used in energy storage system monitoring.
Enables accurate battery status indication.

BQ27542DRZR-G1 FAQs

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

What is the operating temperature range for the BQ27542DRZR-G1?

-40°C ~ 85°C

What type of batteries does the BQ27542DRZR-G1 monitor?

Lithium Ion

What interfaces does the BQ27542DRZR-G1 support?

HDQ, I2C

How many cells does the BQ27542DRZR-G1 monitor?

What is the package type for the BQ27542DRZR-G1?

12-VFDFN Exposed Pad

What is the standard package quantity for the BQ27542DRZR-G1?

3000

Category	Battery Management
Manufacturer Name	Texas Instruments
Battery Chemistry	Lithium Ion
Function	Battery Monitor
Interface	HDQ, I²C
Mounting Type	Surface Mount
Number of Cells	1
Operating Temperature	-40°C ~ 85°C
SVHC Present	Present
Supplier Device Package	12-SON (2.5x4)