BQ2057CTSG4 The BQ2057CTSG4 from Texas Instruments is a low dropout linear 1-cell Li-Ion charge controller. It offers a 4.2V output voltage and a 2A output current.
Mfr Part #:

BQ2057CTSG4

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The BQ2057CTSG4 from Texas Instruments is a low dropout linear 1-cell Li-Ion charge controller. It offers a 4.2V output voltage and a 2A output current.
✓ Total Stock: 254 pcs
$ Price Range: $1.29

BQ2057CTSG4 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
254 pcs
254 pcs On Request 1 On Request On Request 2010 On Request On Request

BQ2057CTSG4 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
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BQ2057CTSG4 Description

Short technical summary and product information.

The BQ2057CTSG4 is a battery charge management integrated circuit from Texas Instruments. This low dropout linear charge controller is designed for 1-cell Li-Ion batteries and features AutoCompTM technology.

 

Key electrical specifications include an input voltage range of 4.5V to 15V, with a maximum input voltage of 15V. The device provides an output voltage of 4.2V and can deliver an output current of up to 2A. Its power dissipation is rated at 300mW.

 

Operating within a temperature range of -20℃ to 70℃, the BQ2057CTSG4 is housed in a compact TSSOP-8 package. It is designed for surface mount applications and is supplied in tube packaging.

 

Environmental compliance includes RoHS3 compliance and Lead-Free status. The Moisture Sensitivity Level (MSL) is rated at 1 Unlimited, and it is REACH Unaffected.

BQ2057CTSG4 Quick Information

Product Type: Battery Charger
Canonical Name: BQ2057CTSG4 Battery Charger
Subcategory: Linear Charge Controller

BQ2057CTSG4 Compliance

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

BQ2057CTSG4 Estimated Pricing

Qty Low High
1+ $1.29 $1.29

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

BQ2057CTSG4 Features

  • Low dropout linear charge controller.
  • Designed for 1-cell Li-Ion batteries.
  • 4.2V output voltage.
  • 2A maximum output current.
  • TSSOP-8 surface mount package.

BQ2057CTSG4 Applications

  • Ideal for smartphone and tablet battery charging circuits.
  • Used in wearable fitness tracker power management designs.
  • Suitable for portable medical device battery systems.
  • Integrates into IoT sensor node charging architectures.
  • Fits cordless tools and handheld gadget power stages.

BQ2057CTSG4 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the output voltage of the BQ2057CTSG4?

The output voltage is 4.2 V.

What is the maximum output current for the BQ2057CTSG4?

The maximum output current is 2 A.

What is the operating temperature range for the BQ2057CTSG4?

The operating temperature range is -20℃ to 70℃.

What package type is the BQ2057CTSG4 available in?

The BQ2057CTSG4 is available in a TSSOP-8 package.

Is the BQ2057CTSG4 RoHS compliant?

The BQ2057CTSG4 is RoHS3 Compliant.

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