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Home Product BQ27546YZFR-G1 Li-Ion Battery Fuel Gauge IC with SHA-256 Authentication for IoT Devices
BQ27546YZFR-G1 Texas Instruments

BQ27546YZFR-G1 Li-Ion Battery Fuel Gauge IC with SHA-256 Authentication for IoT Devices

BQ27546YZFR-G1 fuel gauge
Single-cell Li-ion monitor
Battery management IC BQ27546
BQ27546YZFR-G1
BQ27546YZFR-G1 fuel gauge is a battery management IC designed for Single-cell Li-ion monitor systems. It accurately tracks battery capacity, voltage, and temperature, enabling precise state-of-charge reporting. Optimized for portable electronics, this IC supports advanced power management with low power consumption and integrated safety features.
Categories:Electronic components
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Product Description

The BQ27546YZFR-G1 fuel gauge is a single-cell Li-ion monitor IC designed for precise battery management in portable electronics. It supports voltage input from 2.5V to 4.4V, tailored for 1-cell Li-ion/Li-polymer batteries with capacities up to 5,000mAh. This battery management IC integrates advanced algorithms for state-of-charge (SOC) estimation, voltage monitoring, and temperature sensing within -40°C to 85°C. It communicates via I2C or HDQ interfaces, enabling direct integration with host controllers. Widely used in consumer electronics, IoT devices, and medical wearables, the BQ27546 offers high accuracy (<1% SOC error) and low power consumption. Key advantages include robust data logging, compact footprint, and minimal calibration requirements, though firmware customization may be needed for specific applications.
Parameter Specification
Device Type Battery Fuel Gauge IC
Supported Chemistries Single-cell Li-ion/Li-polymer
Voltage Range 3.0V to 4.4V
Communication Interface I²C/HDQ
Temperature Monitoring Integrated Thermistor Input
Accuracy ±1% Voltage Measurement
Operating Current 8μA Active Mode
Pack Configuration 1-series (1S1P)
Algorithm Impedance Track™ Technology
Package Type 15-pin DSBGA
Protection Features Overvoltage/Undervoltage Detection
question:What is the warranty?
answer:Our warranty covers repairs or replacements for defects within the specified period from purchase.
question:How do you handle malfunctions in refurbished products?
answer:Refurbished products are covered under warranty; contact support for repair, replacement, or refund based on assessment.
question:What payment methods do you accept?
answer:We accept TT, PayPal, credit cards, and other major payment methods for secure transactions.
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 is the warranty?
answer:Our warranty covers repairs or replacements for defects within the specified period from purchase.
question:How do you handle malfunctions in refurbished products?
answer:Refurbished products are covered under warranty; contact support for repair, replacement, or refund based on assessment.
question:What payment methods do you accept?
answer:We accept TT, PayPal, credit cards, and other major payment methods for secure transactions.
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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