BQ26231PWR The BQ26231PWR is a battery coulomb counter IC from Texas Instruments. It supports Lead Acid, Li-Ion/Li-Polymer, NiCd, and NiMH chemistries and communicates via an HDQ interface.
Mfr Part #:

BQ26231PWR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The BQ26231PWR is a battery coulomb counter IC from Texas Instruments. It supports Lead Acid, Li-Ion/Li-Polymer, NiCd, and NiMH chemistries and communicates via an HDQ interface.
Total Stock: 3,115 pcs
$ Price Range: $5.67

BQ26231PWR Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,350 pcs
2350 pcs On Request 1 On Request On Request 02+ On Request On Request
Non-Authorised Inventory information
765 pcs
765 pcs On Request 1 On Request On Request 02+ On Request On Request

BQ26231PWR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Cell Chemistry
Communication Interface
Features
Function
General Purpose RAM
Interface
Internal Temperature Sensor
Internal Timebase
Low Power Consumption (Maximum @ Operating)
Low Power Consumption (Maximum @ Sleep)
Mounting Type
Number of series cells
Operating Temperature
Signal Resolution
Supplier Device Package

BQ26231PWR Description

Short technical summary and product information.

The BQ26231PWR is a battery coulomb counter IC from Texas Instruments designed for single-cell battery monitoring applications. It supports multiple cell chemistries including Lead Acid, Li-Ion/Li-Polymer, NiCd, and NiMH, making it versatile for various battery-powered systems.

 

Key specifications include an operating temperature range of -20°C to 70°C, a low operating current of less than 80 µA, and a sleep current of less than 10 µA for power-sensitive designs. The device features a high-accuracy internal timebase, an internal temperature sensor, and 128 bytes of general-purpose RAM. It offers a signal resolution of less than 12.5 µV for precise charge measurement.

 

The IC communicates via the HDQ interface and is housed in an 8-pin TSSOP package. It is suitable for portable electronics, backup power systems, and other applications requiring accurate battery fuel gauging.

BQ26231PWR Quick Information

Product Type: Battery Management IC
Canonical Name: BQ26231PWR Battery Coulomb Counter IC
Subcategory: Coulomb Counter

BQ26231PWR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BQ26231PWR Estimated Pricing

Qty Low High
1+ $5.67 $5.67

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

BQ26231PWR Features

  • Supports multiple battery chemistries.
  • HDQ communication interface.
  • Low operating current under 80 µA.
  • Internal temperature sensor included.
  • High-accuracy internal timebase.

BQ26231PWR Applications

  • Portable battery-powered devices.
  • Backup power and UPS systems.
  • Single-cell Li-Ion battery monitoring.
  • Industrial battery fuel gauging.

BQ26231PWR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the BQ26231PWR?

-20°C to 70°C.

What battery chemistries does the BQ26231PWR support?

Lead Acid, Li-Ion/Li-Polymer, NiCd, and NiMH.

What communication interface does the BQ26231PWR use?

HDQ.

Does the BQ26231PWR have an internal temperature sensor?

Yes.

What is the signal resolution of the BQ26231PWR?

Less than 12.5 µV.

What is the operating current of the BQ26231PWR?

Less than 80 µA.

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