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Home Product BQ27421YZFT-G1A Lithium-Ion Fuel Gauge, Texas Instruments, Precision Battery Monitor IC for IoT Devices
BQ27421YZFT-G1A Texas Instruments

BQ27421YZFT-G1A Lithium-Ion Fuel Gauge, Texas Instruments, Precision Battery Monitor IC for IoT Devices

BQ27421YZFT-G1A
Lithium-ion Fuel Gauge
BQ27421 Battery Monitor
BQ27421YZFT-G1A
BQ27421YZFT-G1A is a Lithium-ion Fuel Gauge IC designed for accurate battery monitoring. It integrates the BQ27421 Battery Monitor to measure capacity, voltage, and temperature, supporting real-time power management. Features include I2C interface, low power consumption, and compact design, ideal for portable electronics like smartphones, wearables, and IoT devices. Provides reliable state-of-charge calculation and battery health diagnostics.
Categories:Electronic components
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Product Description

The BQ27421YZFT-G1A is a highly integrated Lithium-ion Fuel Gauge designed for accurate battery monitoring in portable electronics. This single-cell BQ27421 Battery Monitor operates within 2.5V to 4.4V, supporting battery capacities up to 5000mAh, with a -40°C to +85°C operational range. It features direct connection to Li-ion cells and communicates via I2C interface, enabling real-time voltage, current, and temperature measurements. Ideal for wearables, medical devices, and IoT applications, it offers low-power consumption (<10µA) and ±1% voltage accuracy. Key advantages include compact design and automatic sleep modes, though it lacks multi-cell support. The device ensures reliable performance in space-constrained environments with minimal external components.
Parameter Specification
Part Number BQ27421YZFT-G1A
Device Type Lithium-ion Fuel Gauge
Function BQ27421 Battery Monitor
Communication Interface I²C/SMBus
Voltage Range 2.5V to 4.4V
Battery Capacity Range Programmable up to 4096mAh
Operating Temperature -40°C to +85°C
Package 12-pin DSBGA
Key Features Low Power Consumption, Integrated Temperature Sensing
Certification RoHS Compliant
question:Why is the shipping cost so high? Are there more economical options?
answer:Costs vary by weight, destination, and speed. We offer sea/air options and negotiate rates to optimize your budget.
question:Can your company ensure a stable supply of products?
answer:Yes, we maintain a robust supply chain and sufficient inventory to reliably meet client demands on time.
question:Do you offer discounts for bulk or long-term orders?
answer:Yes, we provide competitive discounts for bulk purchases and long-term partnerships. Contact us for details.
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 the shipping cost so high? Are there more economical options?
answer:Costs vary by weight, destination, and speed. We offer sea/air options and negotiate rates to optimize your budget.
question:Can your company ensure a stable supply of products?
answer:Yes, we maintain a robust supply chain and sufficient inventory to reliably meet client demands on time.
question:Do you offer discounts for bulk or long-term orders?
answer:Yes, we provide competitive discounts for bulk purchases and long-term partnerships. Contact us for details.
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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