Active-Semi announced the first member of a new family of PAC high-performance motor controllers with the PAC5523 IC. It is supported by an Evaluation Kit (EVK) and accompanying firmware for easy and fast evaluation of advanced motor control solutions. The new PAC5523 contains the highest-performance MCU found in an integrated motor control and driver product on […]
DC-DC
Synchronous boost LED controller features 60-V output
Analog Devices announces the Power by Linear LT3762, a 60V output, high efficiency, synchronous, boost LED driver controller with a programmable internal LED PWM signal generator and spread spectrum frequency modulation that yield low EMI noise. The versatile LT3762 includes a rail-to-rail current sense amplifier, enabling high side or low side current sensing that in addition […]
PWM buck converters integrate MOSFETs, deliver low parasitics
ON Semiconductor has announced the release of three new highly-efficient mid-voltage PWM buck converters. Supporting a wide input voltage range of 4.5 V to 65 V, an output current of up to 10 A and output power of 100 W, ON Semiconductor’s new FAN6500X family of buck converters combines the time-tested fixed frequency control scheme with […]
DC/DC converter in a SIP provides 3 W, optimized for cost, efficiency, and performance
TRACO POWER has announced the release of their TEC 3 series of 3 Watt DC/DC converters in compact SIP 8 packages using the latest technologies to reduce cost while improving efficiency and performance. The TEC 3 Series consists of 32 models offering inputs of 4.5~13.2 / 9~18 / 18~36 / 36~75 Vin and outputs of […]
Offline PWM controller boosts efficiency, economy, stability of ultra-low standby power supplies
STMicroelectronics’ STCH03 offline Pulse-Width Modulation (PWM) controller combines high integration with accurate constant-current output using primary-side regulation enabling economical mobile chargers, power adapters, or auxiliary supplies to meet stringent eco-design limits for average efficiency and standby power. At heavier loads, the STCH03 maximizes efficiency by operating in quasi-resonant mode with zero-voltage switching (ZVS) controlled by detecting transformer […]
Wide-VIN DC/DC buck regulators simplify design of industrial power supplies
Texas Instruments introduced two wide-VIN synchronous SIMPLE SWITCHER DC/DC buck regulators in ultra-small HotRod quad flat no-lead (QFN) packaging. The highly integrated 3-A LMR33630 and 2-A LMR33620 step-down voltage converters feature the industry’s best full load efficiency – 92 percent – for rugged and reliable industrial power supplies with switching frequencies up to 2.1 MHz. Used in conjunction with TI’s WEBENCH Power Designer, the converters […]
Synchronous step-down switcher delivers 95% efficiency at 2 MHz, emits little EMI
Analog Devices announces the Power by Linear LT8642S, a 10A, 18V input synchronous step-down switching regulator. Its Silent Switcher 2 architecture uses two internal input capacitors as well as internal BST and INTVCC capacitors to minimize the area of the hot loops. The LT8642S dramatically reduces EMI emissions as a result of its controlled switching edges and its internal […]
Isolated 4-port 802.3bt PoE++ PSE controller delivers up to 71.3 W
Analog Devices announces the Power by Linear LTC4291/LTC4292 isolated 4-port power sourcing equipment (PSE) controller chipset designed for use in IEEE 802.3bt (PoE++) Power over Ethernet (PoE) systems. The LTC4291/LTC4292 provides 4 independent PSE ports comprised of 2 channels each, ensuring fully compliant support for the next generation of IEEE 802.3bt powered devices (PDs). The LTC4291 […]
Variable step-down dc-dc regulator module in a LGA-16EP package
Würth Elektronik eiSos expands its product family of MagI³C power modules with the compact MagI³C variable step-down dc-dc regulator module in a LGA-16EP package. The module has an input voltage range of 4 to 18 V for converting voltages from the 5 V, 9 V or 12 V bus. The very compact component (9 x 9 […]
3.5-W medical dc-dc converters in compact DIP or SMD package
TRACO POWER has announced the release of their TIM 3.5 and TIM 3.5SM families of medical 3.5 Watt DC/DC converters in compact DIP 16 or SMD 16 Package that measures only 0.95 x 0.57 x 0.40”. These converters are ideal for healthcare products where small size and applied parts to patient (BF classification) is required. […]