Product category: Power Supply ICs and Controllers
News Release from: Texas Instruments (April 2001-March 2006) | Subject: TPS6205x family
Edited by the Electronicstalk Editorial Team on 16 December 2002
Convertors integrate FETs
for higher efficiency
A new family of synchronous converters offers designers a wide input voltage range from 2.7 to 10V, output current of up to 800mA, and a low 12uA of quiescent current for longer standby time
Designers of portable battery-powered devices, such as PDA, smartphones and other Bluetooth-enabled equipment, can increase operating time by integrating new low-power, DC/DC step-down convertors. Designed to provide up to 95% power conversion efficiency, the family of synchronous converters offers designers a wide input voltage range from 2.7 to 10V, output current of up to 800mA, and a low 12uA of quiescent current for longer standby time - perfect for electronic devices that use one- to two-cell lithium-ion (Li-ion) or two- to six-cell nickel metal hydride (NiMH), nickel cadium (NiCd) or alkaline batteries.
This article was originally published on Electronicstalk on 16 December 2002 at 8.00am (UK)
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The TPS6205x family of low-power step-down convertors with integrated field effect transistors (FETs), allows portable application designers to reduce both board space and system cost.
The converters also can generate output voltages ranging from 0.7 to 6V, which makes the TPS6205x series well suited to operate with TI's OMAP application processors, microprocessors and digital signal processors (DSPs) that have low core voltage requirements.
'As the level of functionality increases with each new generation of portable electronics that roll out to consumers, designers require innovative power management technology to help achieve longer battery life in addition to functionality', said Patrick Heyer, Product Marketing Manager, TI Portable Power Management Group.
'With today's announcement, TI makes it easier for designers to include DC/DC convertors in their portable designs that are the industry's best combination of extended input voltage range, high output current, high efficiency and low quiescent current'.
The TPS6205x family of convertors typically operates at 850kHz and can be synchronised to external clock frequencies from 600kHz to 1.2MHz.
In shutdown mode, the current consumption is reduced to less than 2uA.
The TPS6205x devices are available today in volume from TI and its authorised distributors.
The device comes in a 10-pin micro-small outline package (MSOP).
Suggested resale pricing in quantities of 1000 is $1.74.
Evaluation modules of the TPS6205x are scheduled to be available in first quarter of 2003.
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