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Home Product BQ24259RGER Li-Ion Battery Charger IC - Texas Instruments BQ2425x Series 2A USB-Powered for Portable Devices

BQ24259RGER Li-Ion Battery Charger IC - Texas Instruments BQ2425x Series 2A USB-Powered for Portable Devices

BQ24259RGER charger IC
BQ24259RGER power management
TI battery charger IC
BQ24259RGER
The BQ24259RGER charger IC by TI integrates advanced power management for single-cell Li-ion/polymer batteries, featuring high-efficiency charging via USB or adapter inputs. This TI battery charger IC supports USB-OTG boost mode with thermal regulation, charge timers, and dynamic power path management for optimized system runtime.

Product Description

The BQ24259RGER charger IC is a highly integrated power management solution from Texas Instruments (TI) designed for single-cell Li-ion or Li-polymer batteries. It supports a wide input voltage range of 3.9V to 13.5V, enabling compatibility with USB ports or adapters, and delivers up to 2A charging current. This TI battery charger IC integrates a synchronous buck converter, voltage regulation, current sensing, and thermal management, ensuring efficient energy conversion. It communicates via I²C interface for dynamic control of charging parameters. Operating within -40°C to +85°C, it suits portable electronics, wearables, and IoT devices. Key advantages include compact design, programmable safety features (overvoltage, overcurrent, thermal shutdown), and support for USB On-The-Go (OTG) for peripheral powering. Limitations include dependency on external microcontroller configuration and lack of multi-cell support. Battery capacity adaptability depends on external component settings.
Parameter Specification
Device Model BQ24259RGER
Function Single-Cell Li-Ion Battery Charger IC
Input Voltage Range 4.35V to 6.45V
Charge Current Programmable up to 2A
Battery Voltage Range 3.5V to 4.44V
Integrated FETs Yes
Termination Control Adjustable via I2C
Thermal Regulation 120°C (typical)
Operating Temperature -40°C to +85°C
Package VQFN-24 (4mm x 4mm)
Protection Features OVP, OCP, Thermal Shutdown
I2C Interface Yes (up to 3.4MHz)
Input Overvoltage Threshold 6.6V ±150mV
Efficiency Up to 95%
Status Indication PG, STAT, Fault
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question:What is the warranty policy?
answer:Our warranty covers defects in materials or workmanship for 12 months from delivery. Proof of purchase and product registration may be required.
question:Why are labels removed from received items?
answer:Labels are removed per manufacturer agreements to prevent resale conflicts. Product functionality remains unaffected. Contact us if further clarification is needed.
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:Why is a service fee charged?
answer:Service fees cover transaction processing, platform maintenance, and third-party payment gateway costs to ensure secure and efficient operations.
question:What is the warranty policy?
answer:Our warranty covers defects in materials or workmanship for 12 months from delivery. Proof of purchase and product registration may be required.
question:Why are labels removed from received items?
answer:Labels are removed per manufacturer agreements to prevent resale conflicts. Product functionality remains unaffected. Contact us if further clarification is needed.
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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