In class-G operation, the TDA7901 buck controller automatically optimises the voltage supplied to the bridge-tied load (BTL) power stage depending on the audio signal level. STMicroelectronics’ TDA7901 automotive amplifier integrates a buck controller for class-G power switching and supports high definition (HD) audio for audio and efficiency performance.
ICs & Semiconductors
Nowi unveil energy harvesting PMIC with a cold start feature
Dutch semiconductor company, Nowi, extends its energy harvesting and power management portfolio with the Diatom chipset. The 4.0 x 4.0mm Diatom (NH16D3045) is an energy harvesting PMIC, which has a wide power input range from micro W to mW and a fast MPPT (maximum power point tracking) for efficient energy harvesting.
Winbond adds 64Mbit memory option to 1.2V SPI NOR flash family
Offering larger code storage capacity and active mode power saving, the W25Q64NE 1.2V SpiFlash IC is suitable for wireless consumer devices such as True Wireless earbuds and fitness wristbands, said Winbond Electronics.
Ambiq increases security in power processor SoCs
Additions to the Apollo4 SoC family by Ambiq are the Apollo4 Plus and Apollo4 Blue Plus with Bluetooth Low Energy connectivity. They have robust security features, said the company, to better protect power-constrained IoT endpoint devices without compromising power efficiency.
About Weartech
This news story is brought to you by weartechdesign.com, the specialist site dedicated to delivering information about what’s new in the wearable electronics industry, with daily news updates, new products and industry news. To stay up-to-date, register to receive our weekly newsletters and keep yourself informed on the latest technology news and new products from around the globe. Simply click this link to register here: weartechdesign.com
