5V power supply, high-speed CAN bus transceiver – SCM34xxASA

“The newly released SCM34xxASA series chips include three high-reliability CAN bus transceiver models: SCM3421ASA (with slope control mode), SCM3422ASA (with ultra-low current standby mode), SCM3423ASA (with low current transmission ban silent mode), to meet different work requirements Models and diverse needs of customers.

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The newly released SCM34xxASA series chips include three high-reliability CAN bus transceiver models: SCM3421ASA (with slope control mode), SCM3422ASA (with ultra-low current standby mode), SCM3423ASA (with low current transmission ban silent mode), to meet different work requirements Models and diverse needs of customers.

CAN bus has the characteristics of strong real-time performance, long transmission distance, strong anti-interference ability, and guaranteed data arrival. This series of SCM34xxASA bus has a withstand voltage of -40V~40V (SCM3421ASA: -36V~36V), with strong anti-electromagnetic interference ability, extremely low electromagnetic radiation energy, and bus pin transient protection, overheating protection and other characteristics.

2. Product application

It can be widely used in the Internet of Things, industrial electronics, automotive electronics and other fields.

Typical application circuit example:

3. Product Features

– HBM reaches more than 8KV (IEC6100-4-2 international standard)

– Bus voltage withstand capability -40V~40V (SCM3421ASA: -36V~36V)

– Strong anti-electromagnetic interference ability, extremely low electromagnetic radiation energy

– Features slew rate control mode (SCM3421ASA), ultra-low current standby mode (SCM3422ASA) or low current transmit disable mute mode (SCM3423ASA), bus pin transient protection, thermal protection, etc.

– 5V single power supply; the rate reaches more than 1Mbps; strong load capacity, allowing more than 110 load nodes

– Passed -40℃~125℃ high and low temperature aging test to meet the scope of industrial control and vehicle applications

– Fully compatible with “ISO 11898” standard