STMicroelectronics (STMicroelectronics, referred to as ST) introduction of new ultra-thin lightweight automotive high pressure ultrafast rectifier, will help automotive system designers to minimize the size of the electronic control module, the power converter and a motor driver, thus improving automotive electronics The space utilization of the system.
The new rectifiers are available in a 50mm, 1mm thick SMBFlat package, which is nearly 60% thinner than the nearest competitor's 2.4mm thick SMB package. The slim appearance helps designers develop electronic controller units (ECUs) that are thinner and lighter and fit into tight spaces in cars. The wo-lead surface-mount SMBFlat package is compatible with standard SMB devices, making it easy to use new rectifiers on existing printed circuit boards.
The operating temperature range of -40 ° C to 175 ° C makes ST 's SMBFlat rectifiers particularly suitable for automotive applications and applications in harsh environments such as mobile communication base stations and outdoor lighting.
To date, ST has introduced 10 ultra-high-speed rectifier products with rated currents from 1A to 3A and repetitive peak reverse voltage ratings from 600V to 1200V. The product family is divided into two series, L and R. The low forward voltage (VF, forward voltage) of the L series is suitable for designs requiring low on-state losses; and the reverse recovery time of the R series (trr, reverse-recovery time) ) Short. Fast reverse recovery speeds up the switching losses, improves the energy efficiency of high-frequency switching operations, and uses smaller external inductors and capacitors.
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STMicroelectronics' SMBFlat automotive grade rectifiers are currently in volume production.
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