New High-Performance Analog Showcase
from Texas Instruments
September 2004

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In this Issue:
Power Management
Amplifiers
Data Converters
Interface
MSP430 Ultra-Low-Power Microcontrollers
Analog / Training Seminars / Tradeshows
New Parametric Search Capability
Free Digital Media Resource CD
Company-Authored Articles in the Media
Customer Support Contact Information

POWER MANAGEMENT

99% Accurate Battery Gas Gauge: The bq20z80 accurately reports the remaining capacity over the entire life of multi-cell battery packs using a dynamic algorithm for real-time learning called Impedance Track™.
  • Instant state of charge
  • Instant accuracy—no learning cycle required
  • Reduced development and production time
  • Applications: Telecom systems, portable industrial appliances, portable instrumentation, test equipment, notebooks, multi-cell Li-Ion battery packs, and tablet PCs
www.ti.com/impedancetrack

500-mA, 3-MHz Step-Down Converters: The TPS6230x/32x series are best-in-class high-frequency, synchronous step-down DC/DC converters that accept an input of 2.7 V to 6 V and operate at fixed 3 MHz.
  • Output 0.6 V to 5.4 V
  • 500 mA with efficiency of up to 93%
  • Applications: Optimized for portable, space-constrained applications such as low-power DSP/MCU core supply, PDAs and pocket PCs, cellular and smart phones, USB devices, portable media players, Bluetooth™ headsets and digital cameras
TPS62300DRCR: Price (1 ku) $1.85

bqTINY™-III Single-Chip Charge and Dynamic Power-Path Management IC: The bq2403x bqTINY-III series are highly integrated AC/USB charge management devices with dynamic power-path management.
  • Integrate a 2-A AC power switch and up to 1.5-A charge FET, current sensor and reverse-blocking circuitry
  • Applications: Smartphones and PDAs, MP3 players, digital cameras, handheld devices and Internet appliances
bq24032: Price (1 ku) $2.30

bqTINY™-II 1-Cell, Li-Ion Charge IC with USB/AC Supply Management, 3x3 QFN-10, Timer Enable and Temp Sense: The bq2402x bqTINY-II series feature integrated charge input supply management to facilitate circuits that enable battery charging from either an AC adapter or a USB port input.
  • Integrate a 1-A charge FET, reverse-blocking circuitry and current sense
  • Applications: PDAs, pagers, MP3 players, Smartphones, digital cameras and Internet appliances
bq24026: Price (1 ku) $1.85

LDO 1.8-V Fixed Voltage Regulator: The TLV2217 family of LDOs offers a variety of fixed-voltage options for low-voltage systems. Utilizing a pnp pass element, these regulators are capable of sourcing 500 mA of current with a specified maximum dropout of 500 mV (3.3-V option).
  • Regulators provide internal overcurrent limiting, thermal overload protection, and overvoltage protection
  • TLV2217 family available in fixed voltages of 1.8 V, 2.5 V and 3.3 V
  • Ideal for low-voltage applications
TLV2217-18: Price (1 ku) $0.50

Low-Power DC/DC Design Software Tool: This Windows®-based application can assist in the design of power supply circuits using the TPS62xxx family of DC/DC converters.
  • Software accepts fundamental design constraints and requirements such as the circuit's input voltage range and the desired output voltage and current; produces a schematic and bill-of-materials
  • User can optimize the design for space or efficiency; tool provides basic circuit performance analysis
TPS62xxx

2.2-V to 4.0-V, 14-A Output Synchronous Buck PWM Switcher w/Integrated FETs: The TPS54010 SWIFT device is a 2.2-V to 4.0-V input, high output current (14 A) DC/DC converter with integrated FETs that steps down the voltage as low as 0.9 V.
  • Can deliver 14-A over the entire operating temperature range; the highest output current SWIFT device
  • Designed for powering high-performance processors
  • Applications: Broadband, networking and optical communications infrastructure
TPS54010: Price (1 ku) $5.30

  

AMPLIFIERS

80 mW Stereo Cap-Free Headphone Audio Power Amplifier: The TPA4411 is an 80-mW stereo headphone driver designed to allow for the removal of the output DC-blocking capacitors for reduced component count and cost.
  • Can drive 80 mW into a 16-ohm load at 4.5 V
  • Operates from 1.8 V to 4.5 V and has independent shut-down control for the right and left audio channels
  • Applications: MP3 players, smart phones/PDAs, and notebook computers
TPA4411: Price (1 ku) $0.70

Single 1.8-V to 5-V, 1.4-MHz, RRIO Op Amp with Shutdown: The LMV981 is a low-voltage, low-power op amp specified for operation from 1.8 V to 5 V, making it ideal for low voltage and/or portable applications.
  • Shutdown capability for additional power savings
  • Applications: Portable applications that are powered from a single-cell Li-ion or two-cell batteries
LMV981: Price (1 ku) $0.52

Dual Op Amp with Integrated 2.5-V Reference: The TL103W and TL103WA combine the building blocks of a dual op amp and a fixed voltage reference, both of which are used in the control circuitry of switch-mode and linear power supplies.
  • For the A-grade, especially tight voltage regulation can be achieved through low offset voltages for both op amps (typically 0.5 mV) and tight tolerances for the voltage reference (0.4% at 25ºC and 0.8% over operating temperature range).
  • Characterized for operation from -40ºC to 105ºC
  • Applications: Battery charger and data acquisition systems

TL103W: Price (1 ku) $0.29
TL103WA: Price (1 ku) $0.32

 
DATA CONVERTERS

4-Channel, Asynchronous Sample Rate Converters: The SRC4194/4184 are 4-channel asynchronous sample rate converters that combine a wide input-to-output sampling ratio (16:1 to 1:16) with outstanding dynamic range and ultra-low distortion.
  • Input and output serial ports support standard audio formats as well as a TDM mode
  • Applications: Professional audio, such as digital mixing consoles, digital audio workstations, audio distribution systems, broadcast studio equipment and high-end A/V receivers
SRC4184: Price (1 ku) $9.95
SRC4194: Price (1 ku) $17.50


INTERFACE

PC Card Controllers: The PCI7411/7611/7421/7621/6411/6611/6421/6621 are integrated single/dual-socket UltraMedia™ PC Card controllers, IEEE 1394 open HCI host controllers and PHY, and flash media controllers. This high-performance integrated solution provides the latest in PC Card, IEEE 1394, SD, MMC, Memory Stick/PRO, SmartMedia, and XD technology.

PCI7411, PCI7611, PCI7421, PCI7621, PCI6411, PCI6611, PCI6421, PCI6621: Price (1 ku) $10.50 - $14.00

High-Voltage, High-Current Darlington Transistor Arrays: The ULN2004AI consists of seven NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads.
  • Collector-current rating of 500 mA for a single Darlington pair; pairs can be paralleled for higher current capability
  • Applications: Relay drivers, hammer drivers, lamp drivers, display drivers (LED and gas discharge), line drivers, and logic buffers
ULN2004AI: Price (1 ku) $0.29



MSP430 Ultra-Low-Power Microcontrollers

16-bit Ultra Low-Power MCUs for Signal Chain on Chip: The MSP430FG43x series are microcontroller configurations with two 16-bit timers, a high-performance 12-bit A/D converter, dual 12-bit D/A converter, three configurable op amps, one universal synchronous/asynchronous communication interface (USART), DMA, 48 I/O pins, and an LCD driver.
  • Applications: Medical and industrial instrumentation, and portable signal chain on chip
MSP430FG437: Price (1 ku) $6.50
MSP430FG438: Price (1 ku) $7.35
MSP430FG439: Price (1 ku) $7.95

  
ANALOG/TRAINING SEMINARS/TRADESHOWS

NEW! Analog eLab Technical Webcasts: TI’s Analog eLab technical webcast series continues with a new broadcast on October 13:
  • "A Designer's Guide to Portable System Power Implementation." Co-sponsored by Arrow. TI Analog expert Bill Klein and battery management expert Dave Freeman have prepared useful tools for multi-chemistry battery designs to assist engineers with system challenges like the need for long standby and run times. Klein and Freeman will provide a detailed analysis and lab bench demonstrations to show the impact of circuit and layout design on efficiency, output ripple and load regulation.
For more information or to register, go to: www.ti.com/analogelab



Digital Video Technical Seminars: These seminars are geared towards both novice and advanced video designers, providing information needed to choose the best solution for application designs. Seminar modules include Basics of Digital Video System Design, Streaming Video and Video Surveillance.

For more information and to register, go to: www.ti.com/dmedianewsjaug04seminars



NEW PARAMETRIC SEARCH CAPABILITY

 A new parametric search tool on www.ti.com dynamically adjusts search options based on your prior selection.
  • Identifies number of products that meet your parametric criteria
  • Applies Boolean operations with an ENTER RANGE button
  • Immediately updates and presents results
Click one of the following links to try this new capability: Analog & Mixed Signal, DSP, Logic, Microcontrollers



FREE DIGITAL MEDIA RESOURCE CD

 New Digital Media Resource CD: Jumpstart your design with TI's solutions for your entire signal chain. From industry-leading DSP-based digital media processors and high-performance analog to logic and an extended portfolio of application software, TI delivers reliable, scalable and power-efficient video and imaging solutions. The Digital Media Resource CD is packed with these solutions including technical documentation, application notes, training, development tools and more. Order your free CD today and fast forward your product to market.


COMPANY-AUTHORED ARTICLES IN THE MEDIA CUSTOMER SUPPORT CONTACT INFORMATION
Product Information Center - Americas Ph: +1 (972) 644-5580
Product Information Center - Europe Ph: +44 (0) 1604 66 33 99
    Fax: +49 (0) 8161 80 2045
Product Information Center - Asia Ph: +886-2-2378-6800
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