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Samsung has developed a chip for wireless headphones
Samsung has launched the Power Management Integrated Circuits (PMIC) in True Wireless Stereo (TWS) Headphones.
The new MUA01 and MUB01 PMIC chips are designed, respectively, for use in charging cases and in the wireless headphones themselves. The South Korean manufacturer combined up to ten discrete components in the housing of one microcircuit, including pulsed charge / discharge circuits, which made it possible to halve the sizes in comparison with the solutions used earlier.
According to Samsung, the MUA01 chip has become the industry's first solution that can be used in charging schemes both by wire and without wires. The chip supports the Qi 1.2.4 Wireless Power Consortium (WPC) standard, a highly efficient pulse charging scheme is used to optimize power management, as well as a microcontroller chip and built-in Flash memory (eFlash) for the ability to change the chip firmware to work with other applications.
Both chips use PLC (power line communication (PLC)) technology, which allows them to exchange information with each other via charging contacts. This solution enables the case and headphones to receive data on the battery charge level and determine when the headphones are installed in the case. New chips already used in Galaxy Buds + wireless headphones.
The new MUA01 and MUB01 PMIC chips are designed, respectively, for use in charging cases and in the wireless headphones themselves. The South Korean manufacturer combined up to ten discrete components in the housing of one microcircuit, including pulsed charge / discharge circuits, which made it possible to halve the sizes in comparison with the solutions used earlier.
According to Samsung, the MUA01 chip has become the industry's first solution that can be used in charging schemes both by wire and without wires. The chip supports the Qi 1.2.4 Wireless Power Consortium (WPC) standard, a highly efficient pulse charging scheme is used to optimize power management, as well as a microcontroller chip and built-in Flash memory (eFlash) for the ability to change the chip firmware to work with other applications.
Both chips use PLC (power line communication (PLC)) technology, which allows them to exchange information with each other via charging contacts. This solution enables the case and headphones to receive data on the battery charge level and determine when the headphones are installed in the case. New chips already used in Galaxy Buds + wireless headphones.