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Home Product BQ24297RGER Battery Charger IC Li-Ion USB I2C Control Integrated MOSFET BQ2429x Series
BQ24297RGER Texas Instruments

BQ24297RGER Battery Charger IC Li-Ion USB I2C Control Integrated MOSFET BQ2429x Series

BQ24297RGER charger IC
Lithium-ion battery charger
USB-powered battery charging
BQ24297RGER
The BQ24297RGER charger IC is a USB-powered lithium-ion battery charging solution with integrated high-efficiency power management, optimized for portable electronics.
Categories:Electronic components
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Product Description

The BQ24297RGER charger IC is a highly integrated Lithium-ion battery charger designed for USB-powered battery charging applications. It supports input voltage from 4.5V to 6.5V via USB or adapter sources and delivers up to 2A charging current for single-cell Li-ion batteries. The device integrates a power path management system, enabling simultaneous charging and system operation. It features an I2C interface for flexible configuration of charging parameters, including voltage (up to 4.44V), current, and safety timers. Operating within -40°C to +85°C, it is ideal for portable electronics, IoT devices, and industrial handheld tools. Key advantages include thermal regulation, compact QFN-24 packaging, and compatibility with USB BC1.2/Apple/Samsung standards. Limitations include dependency on external system control for I2C configurations. The IC optimizes charging efficiency for batteries up to 5000mAh, making it suitable for devices with compact designs requiring reliable USB-based charging solutions.
Parameter Specification
Device Name BQ24297RGER Lithium-ion Battery Charger IC
Input Source USB-Powered (5V) or External Supply
Charging Voltage Range 3.5V to 4.44V (Adjustable)
Max Charge Current 2A Programmable
Battery Chemistry 1-3 Cell Li-Ion/Li-Polymer
Operating Frequency 1.5MHz Synchronous Buck Converter
Thermal Regulation Dynamic Power Path Management
Protection Features OVP/OCP/OTP, Battery Detection
Package VQFN-24 (4x4mm)
Compliance JEITA Temperature Monitoring
question:What payment methods do you accept?
answer:We support TT, PayPal, and other mainstream payment methods.
question:How to handle defective refurbished products?
answer:We offer replacement/refund and cover return shipping costs immediately.
question:Why can't you source discontinued models others supply?
answer:Competitors may use unreliable channels with counterfeit risks; we prioritize authenticity.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:What payment methods do you accept?
answer:We support TT, PayPal, and other mainstream payment methods.
question:How to handle defective refurbished products?
answer:We offer replacement/refund and cover return shipping costs immediately.
question:Why can't you source discontinued models others supply?
answer:Competitors may use unreliable channels with counterfeit risks; we prioritize authenticity.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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