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Create Drones With Extended Battery Life And Flight Time!

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Create Drones With Extended Battery Life And Flight Time!

TI has unveiled two new reference designs to help manufacturers create drones with longer flight times and battery life, and more smooth and stable performance. The designs are intended for quadcopters and other non-military consumer and industrial drones used to deliver packages, provide surveillance or communicate and assist at long distances.

TI technology extends flight time and battery life of quadcopters and industrial drones

“Flight time continues to be a top design challenge for recreational quadcopters and professional drones, especially those being used by companies for beyond visual line-of-sight operation. Delivery companies want drones with enhanced battery life, and are testing delivery of parcels with drones to see how far they can go,” said Stelios Kotakis, senior analyst of data transmission & managed services with IHS Markit.

According to a recent IHS Markit study, almost 50 percent of drones in the market have an estimated battery life of less than 30 minutes, 35 percent can fly between 31 and 60 minutes and the remaining 15 percent and less can fly more than an hour – all under ideal flying conditions without additional payload.

TI claims that its new 2S1P Battery Management System (BMS) reference design transforms a drone’s battery pack into a smart diagnostic black box recorder that accurately monitors remaining capacity and protects the Li-Ion battery throughout its entire lifetime.

“Designers can use the drone BMS reference design to add gauging, protection, balancing and charging capabilities to any existing drone design and improve flight time.”, the firm said.

The design features the bq4050 multi-cell Li-Ion gas (fuel) gauge to accurately measure remaining capacity over the entire life of the battery, a bq24600 battery charge controller and a high-efficiency DC/DC converter to achieve high-efficiency power conversion efficiency.

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The second new reference design for drone electronic speed controllers (ESCs), according to TI, increases flight time by making drone’s propellers to turn more efficiently.

Called Sensorless High-Speed Field Oriented Control (FOC) Reference Design for Drone Electronic Speed Control, “the design helps ESCs achieve the highest possible efficiency with performance for speeds more than 12,000 rpm (> 1.2kHz electrical) including fast-speed reversal capability for more stable roll movement”, says the firm.

The design features TI’s InstaSPIN-FOC C2000 solution, including an F28027F microcontroller for precise motor control and FAST field observer proprietary software algorithm that estimates the rotor flux, angle, speed and torque. The design also includes a 60-V LMR16006 SIMPLE SWITCHER DC/DC converter with ultra-low quiescent current to efficiently manage a drone’s lithium polymer (LiPo) batteries.

For further details, view the full Press release.

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