Product category: Power Supply ICs and Controllers
News Release from: Texas Instruments (April 2001-March 2006) | Subject: TPS65010
Edited by the Electronicstalk Editorial Team on 7 August 2003
IC does the lot
for single-cell power supplies
A new feature-rich battery charging and power conversion IC delivers unmatched levels of performance and power conversion efficiency up to 97%
Building on recent advancements in signal processing technologies, a new feature-rich battery charging and power conversion IC delivers unmatched levels of performance and power conversion efficiency up to 97%. The smart power IC fulfils every major power management requirement for single-cell lithium-ion (Li-ion) or lithium-polymer (Li-poly) battery-powered applications that contain multiple power rails and advanced application processors such as PDAs, smartphones and digital cameras.
This article was originally published on Electronicstalk on 7 August 2003 at 8.00am (UK)
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'Mobile consumers continue to demand battery-powered products with increased features and functionality that will require power-efficient processors along with proven battery management technology to help maintain battery life and system run-times', said Uwe Mengelkamp, Product Line Manager for low power DC/DC convertors at Texas Instruments.
'Designers of high performance, application-based portable products can quickly solve highly complex battery management and integration issues by making the most of TI's best performing advanced battery management products - now fully integrated onto one piece of silicon'.
The TPS65010 power IC leverages TI's new 3307A12 manufacturing process technology to integrate essential control building blocks, external components such as switching and charging FETs, and battery management intelligence to more efficiently manage power for applications processors such as TI's high performance, low-power OMAP processors.
With this advanced manufacturing process, the TPS65010 occupies up to three times less board space when compared to discrete solutions with similar levels of functionality.
The 7 x 7mm device integrates two synchronous step-down DC/DC convertors with integrated FETs, one 1A convertor for system voltages and one 400mA convertor for processor cores.
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It deploys pulse frequency modulation and pulsewidth modulation switching technology to support peak efficiencies of 97% and maximum efficiency across a wide range of load currents.
The TPS65010 further conserves the battery by providing an extremely low quiescent current of 70uA and several low-power modes.
The IC also incorporates two 200mA low dropout (LDO) regulators for additional voltage generation, allowing for supply from one of the two integrated step-down convertors or directly from the battery, and operating with an input voltage range between 1.8 and 6.5V.
The TPS65010 includes TI's latest linear battery charger technology with integrated 1A charge FET with USB and AC-adapter supply management that automatically selects the USB input or AC adapter as a charging source.
An integrated current sensor with programmable current setpoint provides design flexibility and eliminates the need for bulky external sense resistors.
The integrated charger also provides high accuracy current and voltage regulation, charge status indication and termination.
An I2C-compatible communication interface supports frequencies from 100kHz and 400kHz, and allows easy control of various operational modes of the TPS65010's charging, DC/DC conversion and low-dropout regulation parameters.
The TPS65010 is now available in volume from TI and its authorised distributors.
Packaged in a 48-lead 7 x 7mm QFN package, suggested resale pricing is $4.99 per unit in quantities of 1000.
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