Power Electronics / Power Management


Integrated transformer module technology maximises EV drive time

27 October 2021 Power Electronics / Power Management

Texas Instruments (TI) has introduced what it acclaims as the industry’s smallest and most accurate 1,5 W isolated DC/DC bias-supply module. The UCC14240-Q1 uses a proprietary integrated transformer technology which the company says can enable designers to cut their power solution size in half for use in high-voltage environments such as electric vehicles (EVs), hybrid EVs, motor-drive systems and grid-tied inverters.

With the accelerating growth of the EV market, automotive design engineers are looking for ways to improve efficiency and reliability, while also reducing the weight of the heaviest part of the EV: the powertrain. To help meet the need for smaller, more reliable systems to extend driving range, engineers are moving to a distributed power architecture, a scheme where every isolated gate driver has a dedicated bias supply. This architecture improves how the system reacts to single-point failures. For example, if one bias supply fails, the other bias supplies remain operational, as do their paired gate drivers – helping to keep a vehicle safely on the road.

The UCC14240-Q1 offers size and efficiency advantages that enable greater power density and system efficiency, which can allow vehicles to drive farther between charges. The 3,55 mm height and small footprint of the chip enable designers to reduce the power solution volume by as much as 50%, packing more power in half the size. The height reduction also gives engineers the full flexibility to place the module on either side of the printed circuit board.

This dual-output power module offers 60% efficiency – twice that of traditional bias supplies – doubling the power density and helping increase vehicle driving range. By delivering more than 1,5 W at ambient temperatures of 105°C, the UCC14240-Q1 enables engineers to drive IGBTs, SiC and GaN switches at high frequencies.

By leveraging TI’s integrated transformer technology with a 3,5 pF primary-to-secondary capacitance, the UCC14240-Q1 can mitigate EMI caused by high-speed switching and comfortably achieve common-mode transient immunity (CMTI) performance of more than 150 V/ns.

The UCC14240-Q1’s integrated closed-loop control enables ±1,0% accuracy from -40°C to 150°C. The device’s tight tolerance enables the use of smaller power switches while also improving overcurrent protection. Fault monitoring, overcurrent protection, overpower protection and overtemperature protection are all fully integrated. The UCC14240-Q1 offers third-party-certified 3 kVrms isolation and delivers high vibration immunity due to its ultra-low weight and height.




Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

The importance of power integrity
Spectrum Concepts Power Electronics / Power Management
[Sponsored] Behind every high-speed system lies the need for power integrity. Without it, even the cleanest signal paths become compromised.

Read more...
Precise multi-vital sign monitoring
Future Electronics Power Electronics / Power Management
The AS7058 by ams OSRAM is an integrated multi-vital sign monitoring device, which provides a complete photoplethysmogram, electrocardiogram, body impedance sensor, and electrodermal activity sensor.

Read more...
Automotive battery diagnostics tester
Comtest Power Electronics / Power Management
Midtronics’ MVT handheld battery tester is a revolutionary tool, powered by MDX-AI, which is set to redefine the standards of battery diagnostics and testing in the automotive industry.

Read more...
Advanced 3-phase controllers
Future Electronics Power Electronics / Power Management
The STSPIN32G0 by STMicroelectronics is a family of highly integrated system-in-package providing solution suitable for driving three-phase brushless motors.

Read more...
Converting high voltages without a transformer
Altron Arrow Editor's Choice Power Electronics / Power Management
With appropriate power converter ICs, such as the LTC7897 from Analog Devices, many applications can be suitably powered without having to use complex and cost-intensive transformers.

Read more...
Reliable power for demanding applications
Conical Technologies Power Electronics / Power Management
The Mibbo Power MTR480 three-phase DIN-rail power supply is engineered to meet stringent industrial automation requirements, offering dependable performance in environments where downtime is not an option.

Read more...
Powering performance and precision
Future Electronics Power Electronics / Power Management
onsemi’s innovative T10 series MOSFETs, available in 40 V and 80 V versions, are designed for high-efficiency, fast-switching, and power-dense applications.

Read more...
Programmable flyback switcher ICs
Future Electronics Power Electronics / Power Management
Power Integrations has announced the release of the InnoSwitch5-Pro family of programmable flyback switcher ICs, which offer more than 95% efficiency in streamlined AC-DC converter designs.

Read more...
Multilayer chip beads with 8 A rating
RS South Africa Power Electronics / Power Management
TDK Corporation has expanded its MPZ1608-PH series of large-current multilayer chip beads for automotive and commercial power supply lines.

Read more...
The role of bidirectional charging in the evolving energy landscape
Avnet Silica Power Electronics / Power Management
As reliance on renewable sources like wind and solar continues to grow, the need for efficient energy flow and storage solutions has become more critical than ever.

Read more...









While every effort has been made to ensure the accuracy of the information contained herein, the publisher and its agents cannot be held responsible for any errors contained, or any loss incurred as a result. Articles published do not necessarily reflect the views of the publishers. The editor reserves the right to alter or cut copy. Articles submitted are deemed to have been cleared for publication. Advertisements and company contact details are published as provided by the advertiser. Technews Publishing (Pty) Ltd cannot be held responsible for the accuracy or veracity of supplied material.




© Technews Publishing (Pty) Ltd | All Rights Reserved