BQ2057SN The Texas Instruments BQ2057SN is a battery charger IC designed for single-cell Lithium Ion/Polymer batteries. It supports a supply voltage up to 15V and operates within a temperature range of -20°C to 70°C.
Mfr Part #:

BQ2057SN

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ2057SN is a battery charger IC designed for single-cell Lithium Ion/Polymer batteries. It supports a supply voltage up to 15V and operates within a temperature range of -20°C to 70°C.
✓ Total Stock: 8,961 pcs
$ Price Range: $0.75

BQ2057SN Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
8,961 pcs
8961 pcs On Request 1 On Request On Request 8 On Request On Request

BQ2057SN Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Battery Pack Voltage
Current
Lead Spacing
Lead Style
Mounting Type
Number of Cells
Operating Temperature
Package / Case
Programmable Features
Supplier Device Package
Voltage

BQ2057SN Description

Short technical summary and product information.

The BQ2057SN from Texas Instruments is an integrated circuit designed for battery charging applications. It is specifically suited for single-cell Lithium Ion and Polymer battery chemistries.

 

Key electrical specifications include a maximum supply voltage of 15V and a battery pack voltage of 4.1V. The charging current is programmable, and the device features programmable current features. The operating temperature range for this component is -20°C to 70°C (TA).

 

This IC is housed in an 8-SOIC package and is designed for surface mount applications. The package dimensions are 8-SOIC (0.154", 3.90mm Width). It is listed with RoHS3 compliance and an MSL of 1 Unlimited.

 

The BQ2057SN is suitable for various power management applications requiring efficient battery charging for single-cell Li-ion or Li-Polymer batteries.

BQ2057SN Quick Information

Product Type: Battery Charger
Canonical Name: BQ2057SN Battery Charger IC
Subcategory: Battery Chargers

BQ2057SN Compliance

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

BQ2057SN Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

BQ2057SN Features

  • Supports single-cell Lithium Ion/Polymer batteries.
  • Programmable constant charging current.
  • Maximum supply voltage of 15V.
  • Operates from -20°C to 70°C.
  • Surface mount 8-SOIC package.

BQ2057SN Applications

  • Ideal for portable electronic devices.
  • Suitable for battery management systems.
  • Used in power tools and medical devices.
  • Applications requiring single-cell charging.

BQ2057SN FAQs

7 frequently asked questions generated from this part’s specifications.
What battery chemistry does the BQ2057SN support?

The BQ2057SN supports Lithium Ion and Lithium Polymer battery chemistries.

How many cells can the BQ2057SN charge?

The BQ2057SN is designed for single-cell (1 cell) battery packs.

What is the battery pack voltage for the BQ2057SN?

The battery pack voltage is 4.1V.

What is the maximum supply voltage for the BQ2057SN?

The maximum supply voltage is 15V.

What is the operating temperature range of the BQ2057SN?

The operating temperature range is -20°C to 70°C.

What package does the BQ2057SN come in?

The BQ2057SN is available in an 8-SOIC (0.154", 3.90mm Width) surface-mount package.

Is the charge current programmable on the BQ2057SN?

Yes, the constant charge current is programmable.

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