Maxim Integrated accelerates USB-C Power Delivery development
Two devices from Maxim Integrated are designed to overcome the challenges of implementing USB-C Power Delivery (PD), says the company. Designers can cut development time by three months, using the MAX77958 USB-C PD controller, while also halving the solution size with the MAX77962 buck-boost charger.
Portable devices are adding technologies such as 5G connectivity and 4K video, prompting a change from single-cell to two-series (2S) cell architectures, which require higher power delivery via USB-C PD and higher-power charging (25W or higher).
While USB-C PD systems are capable of meeting the demands of next-generation portable consumer, industrial and medical electronics, compliance to these USB-C specifications requires multiple components and custom firmware that can take several months to develop. Maxim claims that its MAX77958 standalone USB-C PD controller saves three months of design, development and testing time with an out-of-the-box USB-C PD 3.0 compliant solution with ‘fast role swap’ and dual role port (DRP) support. The MAX77958 includes BC1.2 detection and integrated D+/D- switch for legacy USB port support; these features are not typically integrated in traditional USB-C controllers. The IC also features 28V VBUS rating, CC pin short protection, moisture detection and corrosion prevention.
USB-C PD systems enable rapid charging of 2S Li+ batteries using an input voltage of 5.0 to 20V. The MAX77962 buck-boost charger integrates high-voltage FETs (30V absolute maximum voltage) capable of delivering 28W of charging power in half the size of other 28W solutions, says Maxim. The MAX77962 accepts an input voltage range from 3.5 to 23V, supporting USB-C PD as well as legacy USB sources.
The MAX77962 buck-boost charger and MAX77958 USB-C PD controller can be used in game players, augmented reality/virtual reality (AR/VR) devices, cameras, wireless speakers, portable printers and handheld computers, as well as industrial equipment and medical devices.
“Rapid battery charging for USB-C devices will alter the consumer electronics landscape,” said Bakul Damle, business management director, Mobile Power Business Unit at Maxim Integrated. “The MAX77958 and MAX77962 can help speed these new capabilities to market by helping developers adopt the new USB-C PD standard. . . Customers can accelerate their development using our combined MAX77958 USB-C PD controller and MAX77962 28W buck-boost charger evaluation kit,” he added.
Samples of MAX77958 and MAX77962 are available now. The company also offers the MAX77958EVKIT-2S3# USB-C PD controller with 28W 2-cell Li-ion charger evaluation kit, the MAX77962EVKIT-06# and MAX77962EVKIT-12# 28W 2-cell Li-ion charger evaluation kits.
