TP4057-42-SOT26-R The TP4057-42-SOT26-R is a single-cell lithium battery charger IC from TP. It supports USB and adapter power supplies and features reverse connection protection.
Mfr Part #:

TP4057-42-SOT26-R

Available from 2 distributors
Mfr Name: TP
TP
The TP4057-42-SOT26-R is a single-cell lithium battery charger IC from TP. It supports USB and adapter power supplies and features reverse connection protection.
Total Stock: 2,563 pcs

TP4057-42-SOT26-R Available from 2 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,559 pcs
2559 pcs On Request 1 On Request On Request 18+ On Request On Request
Non-Authorised Inventory information
4 pcs
4 pcs On Request 1 On Request On Request 18+ On Request On Request

TP4057-42-SOT26-R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Lead Style
SVHC Present
Tape & Reel

TP4057-42-SOT26-R Description

Short technical summary and product information.

The TP4057-42-SOT26-R is a linear control IC designed for single-cell lithium battery charging applications. It operates with input voltages from -0.3V to 9V and features a programmable charging current set via an external resistor, with a nominal charge voltage of 4.2V. The IC includes battery positive and negative pole reverse connection protection and utilizes an internal PMOSFET architecture, eliminating the need for external detection resistors and isolation diodes.

 

This battery charger IC is suitable for use with USB power supplies and adapter power supplies. It incorporates thermal feedback to automatically adjust the charging current. The package type is SOT23-6, and it is supplied on a reel with a standard package quantity of 3000 pieces.

 

Key electrical specifications include a BAT pin current of 500mA and a PROG pin current of 800µA. The lead temperature for soldering is rated at 260°C for 10 seconds. The device is certified as ROHS compliant.

TP4057-42-SOT26-R Quick Information

Product Type: Battery Charger IC
Canonical Name: TP4057-42-SOT26-R Single-Cell Lithium Battery Charger IC
Subcategory: Battery Charger IC

TP4057-42-SOT26-R Compliance

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

TP4057-42-SOT26-R Features

  • Single-cell lithium battery charger IC
  • Reverse connection protection included
  • Programmable charging current
  • 4.2V nominal charge voltage
  • SOT23-6 package

TP4057-42-SOT26-R Applications

  • Ideal for portable electronics
  • Suitable for USB powered devices
  • Used in battery management systems
  • Powering single-cell battery packs

TP4057-42-SOT26-R FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the TP4057-42-SOT26-R?

The input power supply voltage range is -0.3V to 9V.

What is the charge voltage of the TP4057-42-SOT26-R?

The charge voltage is fixed at 4.2V.

Is the charging current programmable?

Yes, the charging current is programmable via an external resistor.

What is the maximum charging current?

The typical BAT pin current is 500mA, which represents the charging current.

What package is the TP4057-42-SOT26-R available in?

It is available in a SOT23-6 package.

What is the lead temperature rating for soldering?

The lead temperature is 260°C for a solder time of 10 seconds.

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