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March 2009 |
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1.5-A, 17-Vin Step-Down Converter with Low-Battery Input Function: The TPS62113 offers enhanced low-battery input (LBI) functionality to provide a precise, user-programmable, under-voltage shutdown with no additional supply voltage supervisor needed. It is suited for applications powered from a 12-V lead acid battery or for 2- or 3-cell Li-Ion batteries.
Resources:
Data sheet
- High-efficiency, synchronous, step-down converter with up to 95% efficiency
- Operating range: 3.1V to 17V
- Adjustable output voltage range: 1.2V to 16V
TPS62113 Price (1ku): $2.00
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3-V and 20-V Integrated FET; 0- to 5-A Dual Fault Threshold Hot Swap with Load Current Monitoring: The TPS242x provides highly integrated hot-swap power management and superior protection in systems where a voltage bus must be protected to prevent load shorts from interrupting or damaging other system components.
Resources:
Data sheet,
application notes
- Integrated 30-mΩ pass MOSFET
- Programmable fault current; programmable hard current limit
- Applications: RAID arrays, telecommunications, plug-in circuit boards, disk drives
TPS2420 Price (1ku):$1.95
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System-Side Impedance Track™ Fuel Gauge in WCSP: The bq27505 is a highly accurate standalone, single-cell Li-Ion and Li-Pol battery capacity monitoring and reporting device for space limited, portable applications. Impedance Track enables the gauge to accurately predict battery capacity instantly under all conditions without learning or conditioning cycles.
Resources:
Data sheet
- 2.5-mm x 2-mm x 0.625-mm WCSP package
- Compensation for battery age, temperature, self-discharge, and discharge rate are applied to the capacity measurements to provide available time-to-empty information across a wide range of operating conditions
- Applications: Smartphones, PDAs, digital still and video cameras, handheld terminals, MP3 and multimedia players
bq27505 Price (1ku): $1.60
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3-A, 3.5-V to 28-V Input, 1-MHz Step-Down SWIFT™ DC/DC Converter with Eco-mode™: The TPS54332 non-synchronous buck DC/DC converter integrates an 80-mΩ Rds (on) high-side MOSFET. Available in an 8-pin SOIC PowerPAD™, the device switches at 1000kHz, allowing a smaller inductor to save board space.
Resources:
Data sheet
- Shutdown quiescent current: 1µA
- Current mode control with internal slope compensation simplifies external compensation calculations, reduces component count, and allows the use of small ceramic output capacitors
- Applications: Set-top boxes, CPE equipment, LCD displays
TPS54332 Price (1ku): $1.40
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Buck/Boost Switch-Mode Regulator with Integrated Switches for Voltage-Mode Control
TPS55065 Price (1ku): $1.55
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System-Side Battery Fuel Gauge with Impedance Track to Accurately Predict Battery Capacity Instantly Under All Conditions Without Learning or Conditioning Cycles
bq27501 Price (1ku): $1.35
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Ultra-Small, Low ON-Resistance (rON) Load Switches with P-Channel MOSFET and Controlled Turn-On
TPS22901 Price (1ku): $0.32
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Fixed-Frequency, 99% Duty Cycle, Peak Current-Mode Notebook System Power Controller
TPS51220A Price (1ku): $2.60
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Dual-Synchronous, Step-Down Controller with Out-of-Audio Operation, 100-mA LDOs for Notebooks
TPS51123 Price (1ku): $2.70
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10-A, 2.2-V to 5.5-V Input, Power Module for 3-GHz DSP Systems
PTH0FT240F Price (1ku): $13.90
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Precision, 16-Bit SAR w/SPI Interface in MSOP-10: The ADS8319 high-speed SAR includes a 16-bit, capacitor-based SAR A/D converter with inherent sample and offer an SPI-compatible serial interface to minimize board space and simplify connectivity to the host device.
Resources:
Data sheet,
video
- ±1.5 LSB max INL; ±1 LSB max DNL
- At 10kHz, 93.6-dB SNR, 106-dB SFDR, -107-dB THD
- Applications: Battery-powered systems, data acquisition systems, instrumentation and process control, automated test equipment
ADS8319 Price (1ku): $8.00
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Buffered-Input, Low-Power, 12-bit, 250-MSPS ADC: The ADS61B29 high-performance ADC features selectable parallel DDR LVDS or CMOS and gives portable and space-confined systems improved battery life and thermal performance. The device integrates a buffer on the analog input, eliminating sample-and-hold kickback and easing input impedance matching in wide bandwidth (greater than 20MHz) applications.
Resources:
Data sheet,
video
- Maximum sample rate: 250MSPS
- 790mW consumed in LVDS mode at full sample rate
- Applications: Wireless communication (digital pre-distortion), portable test instrumentation, radar and guidance systems, high-speed digitizers
ADS61B29: Price (100u): $78.10
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12-Bit, 550-MSPS ADC: The ADS54RF63 ADC operates from either a 5-V or 3.3-V supply while providing LVDS-compatible digital outputs. The input buffer isolates the internal switching of the onboard track and hold and prevents it from disturbing the signal source while providing a high-impedance input. The device, available in a TQFP-80 PowerPAD™ package, provides superior SFDR and is specified over the industrial temperature range (-40°C to 85°C).
- On-chip analog buffer
- SFDR: 70dBc at 900 MHz fIN
- 2.3-GHz Input Bandwidth
- Applications: Test and measurement instrumentation, software-defined radio, data acquisition, power amplifier linearization, communication instrumentation, and radar
ADS54RF63 Price (100u): $218.75
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Drive Differential Input SAR and ΔΣ ADCs, 1-, 2-, and 4-Channels: The THS4521 features the industry’s lowest power consumption and highest accuracy in driving differential ADCs up to 24 bits. The amps deliver lower noise, wider bandwidth and improved SFDR.
Resources:
Amplifier and Data Converter Guide,
Communications Infrastructure Solutions Guide,
data sheet
- Iq 50% less than competition; dynamic range 50% better than competition
- Significantly reduces system component count and design time
- Applications: High-accuracy data acquisition, low-power and battery-operated applications
THS4521 Price (1ku): $1.10
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20-W, Digital-Input Audio Amplifier: The TAS5710 stereo audio amp combines 32-bit advanced processing with 20-watt stereo output power. It features a closed-loop architecture that allows for better supply noise rejection, better EMC performance and higher damping factors than open-loop amplifiers.
Resources:
Data sheet,
audio selection tool,
evaluation module user's guide
- 8-kHz to 48-kHz Fs
- 8Ω/18V (THD+N=10%)
- Up to 90%-efficient operation
- Applications: Flat-panel TV, docking stations, consumer audio electronics
TAS5710 Price (1ku): $2.65
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2-Vrms DirectPath™, Pop-Free, Variable Input Gain Line Driver: The DRV602 is a cost-effective, integrated stereo audio line driver designed to drive 2500-Ω or higher line impedances. The device utilizes DirectPath technology to achieve excellent click and pop performance.
Resources:
Data sheet,
evaluation module user's guide
- Differential inputs with direct feedback
- 3.3-V power for a 2-VRMS output
- Applications: Set-top box, DVR, video camera, home theater-in-a-box, gaming consoles, Blu-Ray players
DRV602 Price (1ku): $0.70
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3-MSPS, Dual, Full-Bridge PWM Motor Driver Supplies 24-A Peak Current at 50V
DRV8402 Price (1ku): $8.15
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8-Channel Wide, 0- to 34-V, Digital-Input Serializer with 5-V VCC for Industrial Digital Inputs: The SN65HVS885 highly integrated serializer takes 8 industrial digital inputs and serializes them into an SPI interface that can be ganged together for greater than 160 inputs. The device allows 5-V VCC systems to interface with high voltage 0- to 34-V industrial inputs.
Resources:
Data sheet,
video
- 8 inputs cascadeable to >160
- 0.2- to 5.2-mA adjustable current regulation
- Applications: Industrial PC input cards, PLC (programmable logic controllers), HVAC, elevators/lifts, IEC61131-2 Type 1, 2, or 3 switches, EN60947-5-2 proximity switches, industrial automation I/O modules
SN65HVS885 Price (1ku): $2.70
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1:1 Ultra-Low-Jitter, Crystal, In-Clock Generator: The CDCM61001 versatile, low-jitter frequency synthesizer generates one low-jitter clock output, selectable between LVPECL, LVDS or LVCMOS, from a low-frequency crystal or LVCMOS input for a variety of wire-lined and data communication applications. The device features an on-chip PLL that can be easily configured solely through control pins.
Resources:
Data sheet,
video
- Takes one single-ended or crystal reference input from 21.875MHz to 28.47MHz
- Allowable LVPECL/LVDS output frequencies: 43.75MHz to 683.264MHz; LVCMOS output frequency up to 250MHz
- Applications: Low-jitter clock driver for high-end datacom applications including SONET, Ethernet, Fibre Channel, Serial ATA, HDTV
CDCM61001 Price (1ku): $5.25
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Spread Spectrum-Capable, Fundamental Mode Crystal Oscillator with Selectable Frequency Multiplication
CDCS502 Price (1ku): $1.20
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0.7-Ω Dual SPDT Analog Switch with Negative Signaling Capability: The TS5A22366 single-pole, double-throw (SPDT) analog switch that operates from 2.25V to 5.5V. The break-before-make feature prevents signal distortion during the transferring of a signal from one path to another.
Resources:
Data sheet
- V+ from 2.3V to 5.5V
- Low ON-state resistance, excellent channel-to-channel ON-state resistance matching, and minimal THD performance
- Applications: Cell phones, PDAs, portable instrumentation, audio routing
TS5A22366 Price (1ku): $0.65
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Analog eLab Videocast Series - Powering LEDs: TI, Arrow and Cree discuss the options available for powering LEDs.
RF Video: All You Need is One Chip: TI's CC1110, CC2510 and CC2430 device families can serve as both a complete MCU and an RF transceiver; they save energy with power consumption down to 5µA. This video shows the benefits of this total-chip solution.
Low-Power RF Solutions Workshop: This workshop will accelerate the time to market for engineers working with TI's four wireless networking protocols; SimpliciTI, TI-MAC, ZigBee®, and Z-Accel. You can choose to attend the first 2 days of the workshop covering SimpliciTI or attend the entire 4-day workshop which also covers the 802.15.4 protocols (TI-MAC, ZigBee, Z-Accel).
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| COMPANY-AUTHORED ARTICLES IN THE MEDIA |
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"Overcoming Amplifier Electrical Overstress Problems," by Bonnie Baker and Thomas Kuel. Engenius: Audio/VideoZone, March 2009.
"Medical Imaging: Decreasing Footprint, Increasing Performance," by Chuck Sanna. Medical Design Technology, February 2009.
"BAKER'S BEST: Match sensor to converter or converter to sensor," by Bonnie Baker. EDN, January 2009.
"Future Trends in Power Management," by Andy Dykstra. Portable Design, January 2009.
"PERSPECTIVE: Healthcare at Home," by Steven A. Dean. Medical Design Technology, January 2009.
"The ISM Revolution: The Next Big Thing," by Iboun Sylla. RF DesignLine, February 2009.
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| CUSTOMER SUPPORT CONTACT INFORMATION |
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TI E2E Online Community: Visit TI's Online Community and interact with your peer engineers, TI engineers, and other experts in order to ask questions, share knowledge, explore ideas, and help solve problems.
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