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ROHM BD3381EKVCE2 Automotive Switch Monitor IC
The BD3381EKV-C is a 33-channel multiple input switch monitor IC designed for automotive applications. It detects opening and closing of mechanical switches via SPI communication, with low-voltage operation from 3.9 V to 6.0 V, and fully operational from 6 V to 28 V. Features include serial error checking with CRC, adjustable wetting currents from 1 mA to 15 mA, and multiple monitoring modes—continuous, intermittent, sequential, and sleep mode. It offers high reliability, thermal shutdown, and advanced interrupt functions suitable for engine control and automotive electronics.
ROHM BD3381EKVCE2 Automotive Switch Monitor IC Specifications:
- Supply Voltage: 6.0 V to 28 V (fully operational), 3.9 V to 6.0 V (low-voltage range)
- Input Voltage on switches: -14 V to +40 V
- Number of switch channels: 33 total (VPUB 11 channels, VPUA 22 channels)
- Communication: SPI interface, 44 MHz SCLK, 56-bit frames with CRC error checking
- Power on Reset (POR): Activation voltage 4.2 V, Deactivation 4.3 V
- Monitoring modes: continuous, intermittent, sequential, sleep mode with automatic transition
- Wetting current: configurable from 1 mA to 15 mA, timer from 13 ms to 22 ms
- Temperature Range: -40°C to +125°C operating, Tj max 150°C
- Thermal shutdown protection at approx. 160°C
- Package: HTQFP64BV, dimensions 12 mm x 12 mm x 1 mm, 64-pin
- Error detection: CRC, switch change detection, thermal and test failure alerts
- Features include digital multiplexer output, interrupt functions, and multiple configuration commands.
- Compliance with automotive standards and high-reliability design for engine control modules and industrial automation.
Buy the ROHM BD3381EKV– Reliable Automotive Switch Monitor IC for Industrial Applications
Purchase the ROHM BD3381EKV-C online today—engineered for automotive applications, featuring CRC error check, multiple modes, configurable current, low voltage operation, and high reliability for engine control modules. Perfect for automotive, industrial, and automation systems, this 33-channel IC ensures precise switch detection, error detection, and robust performance with thermal shutdown and configurable current settings for optimal safety and durability in demanding environments.
Get ROHM BD3381EKV-C today—designed for precision and long-lasting durability in automotive switch monitoring.
Frequently Asked Questions
Where can I buy ROHM BD3381EKVCE2?
You can click on the BUY or RFQ button to purchase BD3381EKVCE2 from an authorized ROHM distributor.
How do I troubleshoot issues or seek technical support for part BD3381EKVCE2?
You can download the BD3381EKVCE2 datasheet or visit the ROHM website for support.
Who is the manufacturer of BD3381EKVCE2?
ROHM