Products
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Class-D amplifier enhances volume, clarity in portable devices
Texas Instruments has claimed the industry's first stereo Class-D amplifier with dynamic range compression and speaker protection to improve audio performance in portable devices.
Low-power secure supervisor debuts with 64-bytes of memory
Maxim Integrated says this product is the industry's only ultra-low-power single-chip device to integrate a battery-backup controller, system power monitor, CPU supervisor, elapsed-time counter, temperature sensor, and tamper-detection comparator inputs.
Development kit simplifies evaluation of energy harvesting for practical implementation
Advanced Linear Devices Inc. has launched energy harvesting module development kits for system designers who are developing alternative power sources for low-power wireless sensor applications.
PMIC streamlines GPS designs
Chip integrates two buck converters and four LDOs in a 4-by-4 TQFN package
Synchronous n-channel driver drives MOSFETs at top speed
Linear Technology's LTC4447 can source up to 3.2 amps and sink up to 5 amps, making it well-suited for driving high-gate- capacitance, high-current MOSFETs.
Ambient light photo sensor extends battery life in portable devices
Miniature surface-mount chip controls display backlighting in a wide range of portable electronic applications.
Timing devices extend battery life for ultra-mobile PCs
IDT family of ultra-low-power chips extends battery life and wireless signal range while improving bandwidth.
Battery charger controller supports multiple chemistries
Fast-charge, 4-A capable, high-efficiency switchmode battery charger chip handles Li-ion/polymer, NiMH, NiCd, and SLAs.
E-One Moli Energy unveils high-power Li-ion batteries
New generation introduced at the 14th International Meeting on Lithium Batteries (IMLB 2008).
Class-D audio amplifier driver features 200V bridge supply voltage
Supertex's full-bridge power MOSFET driver for use in Class-D audio amplifiers has 5 ns dead time matching and rise/fall times of less than 30 ns with a typical 1 nF load.
Single-supply LDOs tout inputs down to 1.65V
Micrel's MIC6910x/15x/30x series of low voltage linear regulators features single supply operation from 5.5V down to as low as 1.65V with 1 percent initial output accuracy.
150-mA supercapacitor charger features auto cell balancing
Designed to address high peak power and battery backup needs in portable applications, Linear Technology's inductorless programmable supercapacitor charger includes a automatic cell balancing feature that maintains equal voltages on both cells (2.4V/2.65V selectable) without requiring balancing resistors
TI rolls out new power management chips
Current-mode controller and a pair of LDOs are aimed at simplifying power management design.
9-amp converter touts new power-density benchmark
Enpirion's EN5395QI 9-amp DC/DC converter for low-power processor applications delivers more than 11 watts per square centimeter (76 watts per square inch) in a package measuring just 10-by-12-by-1.85 mm.
Multiphase controller reduces component count, improves efficiency
Touting the first digital power solution for high-volume computing, CHiL Corp. has unveiled the first device in a new family of digital mixed-signal, multiphase buck converters for VR11.x-compliant systems.
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POWER MANAGEMENT PRODUCTS ARCHIVE
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About the Power Management DesignLine Products Section
Power Management DesignLine's Products Section delivers information on new products used to manage power in electronic system designs. Target topics include power components, power supplies, UPS systems, supercapacitors, ultracapacitors, DC-DC converters, LED/LCD drivers, PWM controllers, POL converters, buck/boost Converters, Schottky rectifiers, Li-ion/Li-polymer batteries, AC-DC (AC/DC) converters, MOSFETs, power modules, power inverters, LDO regulators, UPS systems, LED drivers, LCD drivers, PWM controllers, POL converters, Schottky rectifiers, chip resistors, and battery architectures.
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