Suitable for both 12V and 24V automotive applications, the AMIS-42665 is fully compliant with both the ISO 11898-2 and ISO 11898-5 standard and is ideal for vehicle body and comfort control functions ranging from electric windows to climate control. High tolerance to electromagnetic interference (EMI) and an electrostatic discharge (ESD) rating of +/-8kV HBM (human body model) eliminates the need for additional filtering and protection, while a low standby current helps designers to meet power targets when the vehicle is idle. Remote wake-up can be initiated either locally or via the CAN bus, depending on specific application requirements.
The new device integrates into a miniature 'green' SOIC 150-8 package all of the functionality needed to provide the interface between a CAN controller and the physical bus. Specifically, the device provides differential signaling capability to the CAN bus via the transmit and receive pins of the CAN controller. As package form factor and pin-count are fully compatible with other transceiver ICs (including the Philips TJA1040), the AMIS-42665 can be used as a 'drop-in' replacement to deliver optimum performance in existing designs as well to meet new application requirements.
Designed to provide high levels of in-built functionality, the AMIS-42665 offers a transmit data (TXD) dominant time-out function, thermal protection, short circuit protection, and protection against transients commonly found in the automotive environment. Carefully matched output signals eliminate the need for a common-mode choke by minimizing electromagnetic emission (EME), while the wide common-mode voltage range of the receiver inputs (+/-35V) ensures low electromagnetic susceptibility (EMS).
"In-vehicle power consumption is a critical design issue for automotive manufacturers. With ever-growing electronic content, power consumption when the vehicle is idle is a major consideration, the battery will discharge too quickly if too many modules are active," said Bob Klosterboer, senior vice president of integrated mixed-signal products at AMI Semiconductor. "The AMIS-42665 next-generation high-speed CAN transceiver allows designers to address this issue because it can remain active in a low-power standby mode while the rest of the module is completely powered down. The fact that the transceiver can be used to wake up the rest of the CAN module on receipt of a local or bus-driven wake-up command, while high levels of protection are incorporated within the device, will help designers to minimize component count and board space while meeting critical power consumption objectives."
AMIS-42665 CAN transceivers are priced at $0.92 each in quantities in excess of 5K units.
About AMI Semiconductor:
AMI Semiconductor (AMIS) is a leader in the design and manufacture of silicon solutions for the real world. As a widely recognized innovator in state-of-the-art integrated mixed-signal products, mixed-signal foundry services and structured digital products, AMIS is committed to providing customers with the optimal value, quickest time-to-market semiconductor solutions. Offering unparalleled manufacturing flexibility and dedication to customer service, AMI Semiconductor operates globally with headquarters in Pocatello, Idaho, European corporate offices in Oudenaarde, Belgium, and a network of sales and design centers located in the key markets of North America, Europe and the Asia Pacific region.
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