STC4054GR

Name: STC4054GR
Brand: STMicroelectronics NV
Rating: 4.5 (10 reviews)
Author: Lisleapex

Battery Management 800mA Linear Li Ion batery chargr

5,516 Effective Inventory

STC4054GR

Effective Inventory5,516

Battery Management 800mA Linear Li Ion batery chargr

Manufacturer Part # : STC4054GR
Package/Case: SOT23-5
Brand: STMicroelectronics NV
Product Categories : Battery Chargers

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

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About Shipping

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If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.

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Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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STC4054GR DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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STC4054GR Details

The STC4054GR is a linear Li-Ion/Polymer battery charger IC from STMicroelectronics, designed for reliable power management in various applications. This device features a programmable charge current up to 800mA with a preset 100mA charge current for pre-conditioning, making it suitable for battery-powered devices and portable electronics.

Key Features

Linear Li-Ion/Polymer Battery Charger IC: Provides reliable power management for battery-powered devices and portable electronics.
Programmable Charge Current: Supports charge currents up to 800mA with a preset 100mA charge current for pre-conditioning.
Automatic Backup Power Source Selection Function: Ensures seamless power management in various applications.
Thermal Regulation Loop: Provides thermal management for optimal device performance and reliability.

Applications

Battery Chargers: Suitable for battery charging applications requiring reliable power management.
Power Banks: Ideal for portable power storage and delivery systems.
Portable Electronics: Used in various portable devices, such as smartphones, tablets, smartwatches, and more.

Where to Use

The STC4054GR is suitable for applications that require reliable power management, especially in battery-powered devices and portable electronics. It is ideal for systems where programmable charge currents and thermal regulation are important.

How to Use

Connect the STC4054GR to your battery charging circuit by wiring the device according to its pinout diagram. Ensure proper power supply, ground, and communication connections for optimal performance and reliability.

Application Circuit

The application circuit diagram for the STC4054GR illustrates how to connect the IC to a battery charging system. It includes connections for power supply, ground, and communication lines, ensuring proper operation and reliable power management.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Complementary

The STC4054GR can be complemented by other power management ICs from STMicroelectronics, offering additional features and performance for more demanding applications.

When selecting complementary devices, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum charge current supported by the STC4054GR?

A: The STC4054GR supports charge currents up to 800mA with a preset 100mA charge current for pre-conditioning. For more details, refer to the datasheet for specific operating conditions and limitations.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Operating Range	Industrial	Operating Temp Min Celsius	-40.0
Operating Temp Max Celsius	85.0	ECCN US	EAR99
ECCN EU	NEC	Packing Type	Tape And Reel
RoHs compliant	Ecopack2	Grade	Industrial
Package Name	TSOT23-5L

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification STC4054GR PDF Download

FAQs

What is STC4054GR?

The STC4054GR is a stand-alone linear Li-ion battery charger IC designed by STMicroelectronics. It is suitable for charging single-cell lithium-ion batteries in various portable electronic devices such as smartphones, tablets, and portable power banks.

How Does STC4054GR Work?

The STC4054GR works by regulating the charging current and voltage to charge a single-cell lithium-ion battery safely and efficiently. It operates in a linear charging mode and includes features such as thermal regulation, overvoltage protection, and under-voltage lockout to ensure proper charging and battery protection. The IC can be easily integrated into battery charging circuits with minimal external components.

How Many Pins does STC4054GR have and What are the Functions of the Pinout Configuration?

The STC4054GR is housed in an 8-pin SO-8 (Small Outline) package. The pinout configuration includes:

VCC: Input power supply pin.
GND: Ground pin.
PROG: Charge current programming pin.
EN: Enable pin.
PG: Power good indicator pin.
NTC: Thermistor input pin for temperature monitoring.
BAT: Battery connection pin.
VOUT: Charger output voltage pin.

What are the Pros and Cons of STC4054GR?

Pros:

Simplified Charging: Offers a straightforward solution for single-cell Li-ion battery charging.
Integrated Protections: Includes built-in protection features for safe charging operations.
Compact Package: The 8-pin SO-8 package is space-efficient for compact designs.
Efficiency: Operates in a linear charging mode for efficient charging performance.
Cost-Effective: Provides a cost-effective charging solution for portable devices.

Cons:

Current Limitation: May have limitations on maximum charge current compared to more advanced chargers.
Compatibility: Designed specifically for single-cell lithium-ion batteries, not suitable for other battery chemistries.
External Components: May require additional components for specific application requirements.

Are There Any Equivalents/Alternatives to STC4054GR for Recommendation?

The MCP73831 from Microchip Technology is an alternative single-cell Li-ion battery charger IC.
Equivalent parts to the STC4054GR include the MAX1555 from Maxim Integrated and the BQ24074 from Texas Instruments.