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April 2009 | |
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3.5-V to 60-V Input, 0.5-A, 2.5-MHz Step-Down SWIFT™
Converter with Eco-Mode™: The TPS54060 step-down regulator with
integrated 200-mÙ, high-side MOSFET protects against damaging line voltage
transients up to 60V. A low-ripple, pulse-skipping Eco-Mode with 116-µA
operating and 1.3-µA shutdown current lowers switching losses under light
load conditions to save energy and extend battery
life.
Resources: Data sheet
- Switching frequency adjustable to 2.5MHz
- Output voltage adjustable to 0.8V
- Applications: 12-V, 24-V and 48-V industrial and commercial
low-power systems, aftermarket auto accessories including video, GPS,
entertainment
TPS54060 Price (1ku): $ 1.90 |
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150-mA, LDO Regulator, Ultra-Low-Power, Iq 500nA w/
Pin-Selectable, Dual-Level Output Voltage: The TPS780230300
low-dropout linear regulator with dynamic voltage scaling delivers 150mA
of output current while consuming only 500-nA quiescent current, or less
than 40nA of ground current in shutdown mode. Pin-selectable, dual-output
voltage levels, thermal shutdown, enable and current limit make this
device ideal for 2-cell alkaline or single-cell lithium-ion,
battery-powered applications.
Resources: Data sheet
- Input voltage range: 2.2V to 5.5V
- Compatible with ultra-low-power MSP430 microcontrollers
- Applications: Power rails with programming mode, dual-voltage levels
for power-saving mode, leakage reduction for 900-nm and 65-nm
processors, battery-powered handheld devices, PDAs, MP3 players
TPS780230300 Price (100u): $ 0.90 |
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4.5-V to 13.2-V Synchronous Buck Controller with High
Current Gate Driver: The TPS51113 is a high-performance,
cost-optimized, voltage-mode, fixed-frequency, single-output buck
controller that provides compact and efficient operation with supply input
voltages ranging from 4.5V to 13.2V and output voltages from 0.8V to
9.5V–without the need for a separate bias
voltage.
Resources: Data sheet
- Integrated direct-drive MOSFET gate drivers
- Pin-to-pin compatible with ISL6341/L6728
- Applications: Server and desktop computer subsystem power supplies
(MCH, IOCH, PCI termination), distributed power supplies, general DC/DC
converters
TPS51113 Price (1ku): $ 0.99 |
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3-V/12-V Hot-Swap and ORing Controller with I²C:
The TPS2459 hot-plug controller performs all necessary power
interface functions for an AdvancedMC™ (Advanced Mezzanine Card). A fully
integrated 3.3-V channel provides inrush control, over-current protection,
and FET ORing; a 12-V channel provides the same functions using external
FETs and sense resistors.
Resources: Data sheet
- Full power control for an AdvancedMC™ module
- Power good and fault reporting through I²C
- Applications: ATCA carrier boards, MicroTCA™ power modules,
AdvancedMC™ slots, avionics, base stations, general 12-V current control
needs
TPS2459 Price (100u): $ 3.15 |
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Current-Limited Load Switch with Low Noise Regulation
Capability
TPS22949 Price (1ku): $ 0.70 |
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SwitcherPro™ Design Tool to Aid in Designing Power
Supplies with TPS407 Controllers, Low-Power DC/DC Converters and SWIFT™
Point-of-Load, Step-Down DC/DC Devices
SwitcherPro Price: Free |
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Lowest Power, 4-Wire, Touch-Screen Controller with SPI
Interface: The TSC2008 contains a complete, ultra-low-power,
12-bit A/D, resistive touch-screen converter that enables drivers and
control logic to measure touch pressure. The touch-screen measurement
feature enables the host processor to redirect resources to more critical
functions.
Resources: Data sheet
- Single 1.2-V to 3.6-V supply/reference
- SFDR: 70dBc at 900 MHz fIN
- Applications: Mobile phones, PDAs, GPS, media players, handheld
instruments, point-of-sale terminals
TSC2008 Price (1ku): $1.85 |
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S400-Capable 1394b Physical Layer (Phy):
Designed for 1394 applications requiring longer cable lengths,
the TSB41BA3D–when combined with an additional equalizer–can send data at
400 Mbps over cable distances of up to 100m of CAT5, coax, or optical
fiber. The device can be combined with a 1394a or 1394b link layer and
operated standalone as a 1394 repeater to create a dongle or wall plate
for enabling long-haul capabilities for an existing 1394
device.
Resources: Data sheet, video
- Loop topologies
- Guaranteed QoS for multiple video streams and support for IP traffic
- Applications: Surveillance, machine vision systems, industrial
automation, home audio and video networking
TSB41BA3D Price (1ku): $ 6.40 |
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4-Channel USB ESD Device with Power Clamp: The
TPD4S012 ESD solution for a USB charger or USB on-the-go (OTG) interface
offers 3 diode-based ESD clamps to protect the high-speed data lines and a
separate diode-based ESD clamp to protect the VBUS line of the interface.
The TPD4S012 offers combinations of two different clamp voltages to match
the voltage tolerances of the different signal interfaces using the common
USB connector.
Resources: Data sheet
- IEC 61000-4-2 (Level 4) system-level ESD compliance
- Applications: Cell phones, digital cameras, GPS, PDAs, portable
computers
TPD4S012 Price (1ku): $ 0.21 |
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2-Channel SATA 3-Gbps Repeater: The SN75LVCP422
dual-channel, single-lane SATA repeater and signal conditioner supports
data rates up to 3.0Gbps and complies with SATA spec revision 2.6 and SATA
requirements. The device handles interconnect losses at both its input and
output.
Resources: Data sheet, video
- Supports common mode biasing for OOB signaling and fast turn-on
- Applications: Notebooks, desktops, docking stations, servers
SN75LVCP422 Price (1ku): $ 1.40 |
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25-mW, Class-G DirectPath™ Stereo Headphone Amplifier:
The TPA6140A2 and TPA6141A2 headphone amplifiers improve
system-level music playback time by 20% over Class-AB technology in the
best-in-class music phones shipping today. DirectPath™ technology
eliminates the need for large DC-blocking capacitors, and pop-suppression
circuitry improves the listening
experience.
Resources: Data sheet
- 0.6-mA/channel from 2.5-V to 5.5-V supply
- 32-step, -59-dB to +4-dB gain range
- Applications: Mobile/smart phones, MP3 players, portable media
TPA6140A2 Price (1ku): $0.95 |
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4-Channel /4-Channel Audio Codec with 2-Vrms Line
Drivers and Receivers: The PCM5310 features a headphone
amplifier, analog multiplexer and 6 digital audio interface ports.
Multiple integrated functions include analog bypass mode, analog volume
control, analog level control, multiplexer, GPIOs, zero flag with I²C
control, and 6-way audio interface, making the device a highly integrated
system-on-chip for AV applications.
Resources: Data sheet
- Accepts left-justified, right-justified and I²S audio data formats
up to 24 bits
- Pop noise reduction
- Applications: Digital TV, DVD recorder, set-top box
PCM5310 Price (1ku): $ 3.40 |
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0.75-Ù Dual SPST Analog Switch with 1.8-V Compatible
Input Logic: The low-power, TS5A21366 dual single-pole,
single-throw switch offers low ON-state resistance (0.75Ù) and excellent
channel-to-channel ON-state resistance matching (0.04Ù). The control pin
can be connected to a low-voltage GPIO, allowing it to be controlled by
1.8-V signals, which makes the device ideal for portable audio
applications.
Resources: Data sheet
- Total harmonic distortion (THD): 0.002%
- 1.65-V to 5.5-V operation
- Applications: Cell phones, PDAs, notebooks, digital still cameras,
netbooks, servers, portable instrumentation, audio and video routing
TS5A21366 Price: (1ku): $ 0.45 |
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1:10 LVPECL Buffer with Selectable Input: The
CDCLVP111 clock driver distributes one differential clock pair of LVPECL
inputs (CLK0 or CLK1) to ten pairs of differential LVPECL clock (Q0, Q9)
outputs with minimum skew for clock distribution up to 3500MHz; it can
accept two clock sources into an input multiplexer. Designed to drive 50-Ù
transmission lines, the device specifies low output-to-output skew and has
very small additive jitter (<800fs).
Resources: Data sheet, video
- LVDS, CML, SSTL input-compatible
- VBB reference voltage output for single-ended clocking; built-in
pull-up and pull-down resistors at clock inputs and clk_sel
- Applications: Low-jitter clock driver for wireless base stations,
datacom applications, medical instruments, and test and measurement
CDCLVP111 Price (100u): $ 6.40 |
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| System Block Diagrams
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Technology Days 2009: Join TI for a
day packed with technical design sessions and technology exhibits. The
seminar provides a learning forum where practical high-performance design
solutions, tools, techniques, topologies and examples will be
presented.
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| COMPANY-AUTHORED
ARTICLES IN THE MEDIA | |
| "M-LVDS for true multipoint interfaces on
busses and more (with video clip)," by David Mulcahy.
PlanetAnalog.com, March 2009. |
| "Baker's Best: Understanding FFT Plots,"
by Bonnie Baker. EDN: Online, March 2009. |
| "POWER TIP: #09: Estimating Surface Mounted
Semiconductor Temperature Rise," by Robert Kollman.
PowerManagementDesignLine.com, March 2009. |
| "To Zigbee or Not to Zigbee? Factors to
consider when selecting Zigbee Technology (Part 2)," by Iboun Sylla.
RFDesignLine.com, March 2009. |
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| CUSTOMER
SUPPORT CONTACT INFORMATION | |
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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