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ZMDI, a Global Semiconductor Company, Announces the Release of the ZSPM4551, a Smart Charger for Lithium-Ion Batteries


News provided by

ZMDI

10 Dec, 2012, 12:00 GMT

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DRESDEN, Germany, December 10, 2012 /PRNewswire/ --

ZMD AG(ZMDI), a Dresden-based semiconductor company that specializes in enabling energy-efficient solutions, today announces the release of the ZSPM4551, a DC/DC synchronous switching lithium-ion (Li-ion) battery charger. As a global supplier of analog and mixed-signal solutions for automotive, industrial, medical, information technology and consumer applications, ZMDI focuses on developing families of compact and high-efficiency products including the ZSPM4551.

The ZSPM4551 is configurable for termination voltage, charge current and additional variables to allow optimum charging conditions for a wide range of Li-ion batteries. Its 1MHz switching frequency enables the use of small filter components, resulting in smaller board space and reduced system costs.

The ZSPM4551 has an integrated I2C™ (trademark of NXP) interface, which enables the user to set application-specific temperature-compensated termination voltages and control charging currents. It can regulate up to 1.5A continuous drive current.

The ZSPM4551 features integrated power switches, internal compensation and fault protection. It offers Li-ion-specific protection for over-current, over-temperature, battery (VBAT) over-voltage and charging timeout. It includes supervisory reporting through the NFLT (inverted fault) open-drain output for interfacing with other components in the system.

The ZSPM4551 is in a league of its own when it comes to its high level of integration, up to 92% efficiency with typical loads and ultra-low power consumption. When the regulator is disabled, the device typically draws 10µA quiescent current.

"ZMDI is committed to developing advanced high-efficiency solutions to meet our customers' variety of needs. Our smart charger, the ZSPM4551, supports our customers' direction into portable applications, and this product is another example of ZMDI's commitment to providing the very best solutions for our energy-conscious customers," stated Edward Lam, Vice President of Product Marketing and Business Development at ZMDI.

Smart Charger Features:

  • 1.5A continuous output current
  • VBAT reverse-current blocking
  • Programmable temperature-compensated termination voltage
  • User-programmable charging current
  • VBAT over-voltage and charging-timeout supervisor for VBAT reported at the NFLT pin
  • Input supply under-voltage lockout
  • Full protection for over-current and over-temperature
  • Charge status indication
  • I2C™ program interface with EEPROM registers
  • Temperature (junction) range -40°C to 125°C
  • Package: 16-L PQFN (4mm x 4mm)

Availability & Pricing

USD1.65/Euro 1.22 @ 1Ku

About ZMDI
Zentrum Mikroelektronik Dresden AG (ZMDI) is a global supplier of analog and mixed-signal semiconductors solutions for automotive, industrial, medical, information technology and consumer applications. These solutions enable our customers to create the most energy-efficient products in power management, lighting and sensors.

For over 50 years ZMDI has been globally headquartered in Dresden, Germany. With over 320 employees worldwide ZMDI serves its customers with sales offices and design centers throughout Germany, Italy, Bulgaria, France, United Kingdom, Ireland, Japan, Korea, Taiwan and the United States.

See more at http://www.zmdi.com.

SOURCE: ZMDI

For further information:

Daniel Aitken, ZMDI Global Director of Corporate Marketing and Communications, T +001-514-831-6722 daniel.aitken@zmdi.com

The URL for this news release is http://www.zmdi.com/news/press-releases-news/

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