ROHM Semiconductor introduces ultra-compact high efficiency step-down DC/DC converter modules
February 04, 2011 // Paul Buckley
ROHM Semiconductor has introduced the BP5275 series of step-down DC/DC converter modules that integrate all required external components, including input/output capacitors, into a compact, high heat dissipation package. This makes them ideal for use as general-purpose power supplies in a variety of electronic devices.
Currently, multiple LDOs, switching regulators, and numerous other electrical components are essential in order to provide stable electrical power to internal circuits. However, the relatively large amount of heat generated by each component requires separate heat sinks or additional substrates to facilitate heat dissipation, making miniaturization difficult. Also, multiple tedious circuit design processes, including selection of external components based on phase compensation, FET voltage, and heat dissipation characteristics, are necessary, increasing development time and costs.
In response to this, the BP5275 series was developed, utilizing an in-house high-frequency (1.5 MHz) switching regulator IC and synchronous rectification system for high efficiency operation (93% for 6 V→5 V conversion). As a result, mounting area is reduced to 1/6th of the conventional size. The new high-heat-dissipation package enables direct heat dissipation from the device(s) to an aluminum heat sink. An external heat sink can be mounted, increasing output current capability to 800 mA. In addition, the 3-terminal, pin-compatible configuration enables major increases in power supply efficiency without requiring comprehensive modifications, reducing development time and costs.
The lineup including four types in different output voltages makes it possible to select the ideal solution based on the respective specifications. A high input voltage series is currently under development.
The BP5275 series is available in OEM quantities.
Visit ROHM Semiconductor at www.rohm.com/eu
Apple iCar: Do iCare?
August 27, 2015
Whether its creators call it ‘iRod,' 'iMove" or ‘iCar,’ Apple has launched a pedal-to-the-metal drive into the automotive ...
TSMC pulls plug on solar business
Racing car technology reaches road freight vehicles
Another fusion reactor breakthrough
Well-backed MEMS startup closed?
Ultrasonic sensors for single-use medical applications
August 26, 2015
Non-invasive ultrasonic sensors are widely used in medical technology: they measure flow rates with automatic fluid intake, ...
Acal BFi and Stollmann announce distribution agreement
A New York adventure
BMS optimised for high power density, low price
- Software-Defined Radio Handbook
- Why Making the Move from a Variable Transformer to a VariPLUS is the Right Decision
- Automating Leakage and Functional Testing
- Automotive Circuit Protection using Littelfuse Automotive TVS Diodes
InterviewCEO interview: Ambiq sees broader options for low voltage
Mike Noonen, recently appointed interim CEO at microcontroller startup Ambiq Micro, discusses the focus and opportunities for this pioneering company designing circuits that can operate below the threshold ...
Filter WizardCheck out the Filter Wizard Series of articles by Filter Guru Kendall Castor-Perry which provide invaluable practical Analog Design guidelines.
Linear video channel
READER OFFERRead more
This month, Novelda is giving away two full XeThru Inspiration kits worth 1499 US Dollars each, for EETimes Europe's readers to experiment first hand with its XeThru technology.Based on the use of radio waves, rather than infrared, ultrasound or light, the company's X2M1000 Inspiration modules can detect presence just from the chest movement while breathing, and measure both the rate and... MORE INFO AND LAST MONTH' WINNERS...
December 15, 2011 | Texas instruments | 222901974
Unique Ser/Des technology supports encrypted video and audio content with full duplex bi-directional control channel over a single wire interface.