BQ2050SN-D119 The Texas Instruments BQ2050SN-D119 is a Lithium Ion gas gauge IC designed for battery pack integration. It features a 1-wire DQ communication interface and supports 2-4 series cells.
Mfr Part #:

BQ2050SN-D119

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ2050SN-D119 is a Lithium Ion gas gauge IC designed for battery pack integration. It features a 1-wire DQ communication interface and supports 2-4 series cells.
Total Stock: 1,802 pcs
$ Price Range: $13.45

BQ2050SN-D119 Available from 2 distributors

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Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
951 pcs
951 pcs On Request 1 On Request On Request 99+ On Request On Request
Non-Authorised Inventory information
851 pcs
851 pcs On Request 1 On Request On Request 04+ On Request On Request

BQ2050SN-D119 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Capacity (max)
Battery Capacity (min)
Battery Chemistry
Communication Interface
External Capacity Indication
Features
Function
Implementation
Mounting Type
Number of series cells
Operating Temperature
Operating Temperature Range
Supplier Device Package
Supplier Package

BQ2050SN-D119 Description

Short technical summary and product information.

The BQ2050SN-D119 from Texas Instruments is a Lithium Ion gas gauge IC intended for battery-pack or in-system installation to maintain an accurate record of available battery capacity. It supports 2-4 series Li-Ion/Li-Polymer cells and offers a battery capacity range from 500 mAh to 6000 mAh.

 

This IC monitors voltage drop across a sense resistor to determine charge and discharge activity, with compensations for battery temperature and rate. It features a 1-wire (DQ) communication interface and can provide external capacity indication via LEDs. The operating temperature range is 0°C to 70°C.

 

Designed for pack integration, the BQ2050SN-D119 is housed in a 16-SOIC package with surface mount capability. Its typical operating current is 120µA, enabling implementations in compact designs. Measurements are compensated for current and temperature, and self-discharge is compensated using an internal temperature sensor.

BQ2050SN-D119 Quick Information

Product Type: Battery Management IC
Series: Lithium Ion Power Gauge
Canonical Name: BQ2050SN-D119 Lithium Ion Gas Gauge IC
Subcategory: Gas Gauge

BQ2050SN-D119 Compliance

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

BQ2050SN-D119 Estimated Pricing

Qty Low High
1+ $13.45 $13.45

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

BQ2050SN-D119 Features

  • Lithium Ion gas gauge IC.
  • Supports 2-4 series Li-Ion/Li-Polymer cells.
  • 1-wire (DQ) communication interface.
  • Coulomb counter for capacity measurement.
  • 16-SOIC surface mount package.

BQ2050SN-D119 Applications

  • Battery pack integration.
  • In-system battery monitoring.
  • Portable electronic devices.
  • Power tool battery packs.

BQ2050SN-D119 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the battery chemistry supported by the BQ2050SN-D119?

Lithium Ion.

How many series cells can this battery monitor support?

2 to 4 series cells.

What is the operating temperature range of the BQ2050SN-D119?

-20°C to 70°C (full range) and 0°C to 70°C (TA).

What is the package type of the BQ2050SN-D119?

16-SOIC (0.154", 3.90mm Width) surface mount.

What communication interface does the BQ2050SN-D119 use?

DQ.

What is the battery capacity range supported?

500 mAh to 6000 mAh.

Does the BQ2050SN-D119 have a Coulomb counter?

Yes, it features a Coulomb counter.

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