Electromagnetic interference can emanate from high di/dt loops found in some switch-mode supply topologies. New controllers overcome these difficulties by integrating key components inside the chip package. Tony Armstrong | Power by Linear, Analog Devices Inc. It goes without saying that PCB layout sets functional, electromagnetic interference (EMI) and thermal behavior of every power supply […]
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Buck-boost controller targets 12-V/12-V redundant battery systems in autonomous vehicles
The Power by Linear LT8708/-1 is a 98% efficient bidirectional buck-boost switching regulator controller that operates between two batteries that have the same voltage, as are used for redundancy in self-driving cars. The LT8708/-1 operates from an input voltage that can be above, below or equal to the output voltage, making it well suited for […]
Power Electronics Top Talks in April on EDABoard.com forums
Peer-to-peer, engineer-to-engineer questions and answers from the EDABoard.com engineering community around power electronics. Click the “Read more” link and follow the entire conversation and maybe add your two cents by logging in to EDAboard.com Designing 600 watts synchronous buck – I want to design the synchronous buck with LTC3858-1 with the below specifications Vin=13 volts to […]
Boost regulator delivers wide input and output range and tiny footprint to optical modules
Analog Devices, Inc. announced the Power by Linear LTM4661, a low power step-up µModule regulator in a 6.25mm x 6.25mm x 2.42mm BGA package. Only a few capacitors and one resistor are required to complete the design, and the solution occupies less than 1cm² single-sided or 0.5cm² on double-sided PCBs. The LTM4661 incorporates a switching DC/DC controller, […]
Quad-output 42-V converter operates from 3 to 42-V inputs
Analog Devices announces the Power by Linear LT8603, a 42V input capable, high efficiency quad output monolithic switching regulator. Its flexible design combines a boost controller with two high voltage 2.5A and 1.5A synchronous step-down channels and a lower voltage 1.8A synchronous step-down channel to provide four independent outputs. The LT8603 can be configured with the […]
Hot swappable supercapacitor backup power controller provides uninterrupted power
Analog Devices announces the Power by Linear LTC3351, a supercapacitor charger and backup power controller IC that includes hot-swap front-end protection and all the features necessary to provide a complete, standalone capacitor-based backup power solution. The LTC3351’s integrated hot swap controller and circuit breaker use N-channel MOSFETS to provide a low loss power path from the […]
Super-efficient 150-V synchronous buck-boost controller eliminates surge protection devices
Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC3779, a high efficiency (up to 99%) 4-switch single inductor synchronous buck-boost DC/DC controller that operates from input voltages above, below or equal to the regulated output voltage. Its 4.5V to 150V input voltage range is designed to operate from a high input voltage […]
