gate drive optocouplers for industrial applications
When developing a reliable motor-control system,
designers require optocouplers that provide more
protection, efficiency and the ability to operate in noisy
environments. To improve the precision and efficiency of
motor inverters, Avago has added intelligent gate drivers
that integrate active Miller clamp, collector-to-emitter
voltage desaturation detection, under-voltage lockout
protection, soft shut down, isolated fault feedback and
automatic fault reset.
The ACPL-333J and ACPL-330J series of high-speed
IGBT optocouplers offer 2.5A and 1.5A output current
respectively, and are easy to implement in industrial
inverter and power-management applications. Available
in a Stretched Outline-16 (SO-16) package, these new
optocouplers provide space and cost savings, and meet
minimum 8mm creepage and clearance requirements.
600V ICs qualified for rugged, automotive applications
Designed specifically for automotive applications,
International Rectifier’s new high-side driver ICs use a
proprietary latch-immune CMOS technology to deliver
ruggedness and reliability. Qualified to AEC-Q100
standard, the AUIRS2123S and AUIRS2124S high-speed
power MOSFET and IGBT drivers offer a gate-drive supply
range from 10V to 20V.
Both devices feature negative voltage spike immunity
to protect the system against catastrophic events
resulting from high-current switching and short-circuit
conditions. Both devices also provide under-voltage
lockout and CMOS Schmitt-triggered inputs with pulldown.
The output drivers feature a high-pulse currentbuffer
stage designed for minimum driver cross
conduction, and a floating channel that can be used to
drive N-channel power MOSFETs or IGBTs in high-side
configuration, operating at up to 600V.
Decoder qualified to AEC-Q100 joins video line-up
The SAF7115 is a video decoder suitable for high-performance,
in-car telematic platforms, such as in-car
video reception, in-car entertainment and in-car
navigation. NXP’s SAF7115 video decoder is AEC-Q100
qualified and can decode the video signals received from
multiple devices and display high-quality images on the
infotainment system.
The SAF7115 decoder operates on differential video
inputs, reducing the decoder’s sensitivity to engine and
vehicle operation noise, and also cutting the reliance on
cable shielding within the overall infotainment system.
Low-current LDOs for ignition-off applications
For automotive electronics modules that require very low
ignition-off currents, the NCV86xx LDOs combine high
levels of on-board functionality with typical quiescent
currents as low as 22µA. ON Semiconductor’s AEC-Q100-
qualified LDOs offer power-on reset options, built-in
protection, delay time select capabilities, and operation
across a wide temperature range.
These LDOs are ideal for automotive system power
modules that need to meet stringent criteria for current
use while vehicle ignition is turned off. By using the LDOs
to minimise quiescent current, designers can allocate
more current to higher-level design elements, such as
microprocessors, and CAN/LIN network components.
Previous Page
Previous Page