STMicroelectronics Voted Winner in Electronic Product China's Top 10 DC-DC 2006 AwardsSingle-Chip Power Management Solution for Notebook PCs and Portable Systems Earns Industry Award in China Geneva / 19 Sep 2006
The PM6685 is a dual step-down controller able to provide the four output voltages necessary for notebook system power during normal working conditions and stand-by mode, with extremely high efficiency conversion (up to 96%) using a lossless current-sensing technique.
The PM6685 integrates two PWM (Pulse Width Modulation) voltage regulators and two LDO (Low Drop-Out) linear regulators in one compact, lead-free package. PWM regulators provide fixed 5V and 3.3V outputs that power the system during normal operation, while the LDO regulators provide constant 5V and 3.3V outputs for use during system standby. The integrated LDOs are designed to power the complete notebook during suspend states, sinking the current directly from the battery, while during normal working conditions an internal MOSFET switches the output PWM sections to the 5V and 3.3V LDOs, thereby increasing efficiency and extending the battery life. The device also features a constant on-time architecture that ensures fast-load transient response and an embedded voltage feed-forward circuit that provides almost constant switching frequency operation.
“We are proud to receive this award, which pays tribute to ST’s long experience as a leader in power management ICs and smart-power technology,” said Pietro Menniti, General Manager of ST’s Industrial and Power Conversion Division. “An ideal choice for notebook computers, tablet PCs, and all portable, battery-powered equipment, the PM6685 allows the reduction of PCB area, design cycle time, and Bill of Materials, thereby enabling our customers to minimize their complete system cost without sacrificing performance.”
Further information on the Electronic Products China’s Top 10 DC-DC 2006 Awards is available at www.epc.com.cn
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Electronic Product China is one of China’s most authoritative electronics industry trade publications. The magazine’s annual “Top 10 DC-DC” award is given to a range of dc-dc power products, following a three-stage judging process. This process includes the publication’s editorial staff, readers’ votes and an expert judging panel. Chip manufacturers’ dc products were evaluated against a number of categories including design innovation, price performance and technology advancement.
STMicroelectronics is a global leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivalled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today's convergence markets. The Company's shares are traded on the New York Stock Exchange, on Euronext Paris and on the Milan Stock Exchange. In 2005, the Company's net revenues were $8.88 billion and net earnings were $266 million. Further information on ST can be found at www.st.com.
Information last updated Jan 2006
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Power Architecture microcontroller
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