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BQ2057CSNTR The Texas Instruments BQ2057CSNTR is a linear 1-cell Li-Ion battery charge controller. It features a programmable charge current up to 2A and a fixed charge voltage of 4.2V.
Mfr Part #:

BQ2057CSNTR

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ2057CSNTR is a linear 1-cell Li-Ion battery charge controller. It features a programmable charge current up to 2A and a fixed charge voltage of 4.2V.
✓ Total Stock: 38,117 pcs
$ Price Range: $1.85

BQ2057CSNTR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
30,303 pcs
On Request
30303 pcs On Request 1 On Request On Request 1802+5 On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
4,500 pcs
On Request
4500 pcs On Request 1 On Request On Request 24+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
3,314 pcs
On Request
3314 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

BQ2057CSNTR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Battery Pack Voltage
Charge Current
Current
Input Voltage
Mounting Type
Number of Cells
Operating Temperature
Programmable Features
Supplier Device Package
Supplier Package
Voltage
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BQ2057CSNTR Description

Short technical summary and product information.

The BQ2057CSNTR from Texas Instruments is a linear battery charge controller designed for single-cell Lithium-Ion and Li-Polymer battery packs. It supports a charge voltage of 4.2V and a maximum charge current of 2A. The device operates within an input voltage range of 4.5V to 15V and features a surface mountable 8-SOIC package.

 

Key features include AutoCompTM dynamic compensation for reduced charge time, optional cell-temperature monitoring, and integrated voltage and current regulation. It also offers cell conditioning for reviving deeply discharged cells and a charge status output. The operating temperature range is -20°C to 70°C.

 

This charge controller is suitable for applications requiring efficient charging of single-cell Li-ion batteries. Its integrated features and small package size make it a versatile solution for various portable electronic devices.

BQ2057CSNTR Quick Information

Product Type: Battery Charger IC
Series: BQ2057
Canonical Name: BQ2057CSNTR 1-Cell Li-Ion Battery Charge Controller
Subcategory: Battery Chargers

BQ2057CSNTR Compliance

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

BQ2057CSNTR Estimated Pricing

Qty Low High
1+ $1.85 $1.85

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

BQ2057CSNTR Features

  • 1-cell Li-Ion/Li-Polymer charge controller
  • 4.2V fixed charge voltage
  • Programmable charge current up to 2A
  • 4.5V to 15V input voltage range
  • 8-SOIC surface mount package

BQ2057CSNTR Applications

  • Single-cell Li-ion battery charging circuits
  • Portable consumer electronics battery management
  • Low-dropout linear charger applications
  • Battery temperature monitored charging systems
  • Standalone RC-settable charger designs

BQ2057CSNTR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the charge voltage for the BQ2057CSNTR?

The battery charge voltage is 4.2V.

What is the maximum charge current supported?

The maximum charge current is 2A.

What is the input voltage range for this charge controller?

The input voltage range is from 4.5V to 15V.

What battery chemistries can the BQ2057CSNTR charge?

It is designed for Lithium Ion and Lithium Polymer battery chemistries.

What is the operating temperature range?

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

What package type is the BQ2057CSNTR available in?

It is available in an 8-SOIC package.

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