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High Performance System Basis Chip

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MCZ33903CD3EK General Description

The NXP? MC33903 is part of a second generation family of system basis chips, combining multiple features and enhanced module design.The MC33903 works as an advanced power management unit for the MCU and additional integrated circuits such as sensors and CAN transceiversBuilt-in enhanced high-speed CAN interface (ISO11898-2 and -5), with local and bus failure diagnostics, protection and fail-safe operation mode.The SBC may include zero, one or two LIN 2.1 interfaces with LIN output pin switches.

NXP Semiconductor Inventory

Key Features

System Basis Chip, 2 LIN, 2x 3.3 V/400mA LDOs, up to 3 wakeup, SOIC 32
NXP Semiconductor Original Stock


  • Automotive
  • Industrial
NXP Semiconductor Inventory


Device Function comm transceivers,linear regulators,system basis chip Data Rate [min] kbps 40.0
Data Rate (Max) (Kbps) 1000.0 Supply Voltage [min] (V) 5.5
Supply Voltage [max] (V) 28 Interface and Input Control SPI / SPI
Ambient Operating Temperature (Min to Max) (℃) -40 to 125 Manufacturer NXP
Product Category CAN Interface IC RoHS Details
Series MC33903 Mounting Style SMD/SMT
Package / Case SOIC-32 Brand NXP Semiconductors
Moisture Sensitive Yes Product Type CAN Interface IC
Protocol Supported CAN, LIN Factory Pack Quantity 42
Subcategory Interface ICs Part # Aliases 935310912574
Unit Weight 0.016649 oz
NXP<sup>&#174;</sup> MC33903 Internal Block Diagram


Shipping Method

Our products are mainly transported and delivered by DHL, FedEx, UPS and other logistics partners on site -- Available to 200+ countries.

Delivery Time

The delivery time is usually within 2-7 days, depending on the logistics provider and the area of delivery.

The following are the estimated delivery times of some logistics service providers.

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  • Fedex

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  • EMS

  • Registered Air Mail


We accept TT prepayment (bank transfer), paypal, credit cards, Western Union, Money Gram.

Checks and other instruments are not supported to pay for orders and customers are required to pay all possible fees, including sales tax,
customs fees, etc.

  • Wire Transfer

  • Paypal

  • Credit Card

  • Western Union

  • Money Gram


Our policies and procedures are designed to ensure compliance with various quality specifications and to quickly resolve quality-related issues.

We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.


AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.
  • ESD


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MCZ33903CD3EK Datasheet PDF

Preliminary Specification MCZ33903CD3EK PDF Download

MCZ33903CD3EK PDF Preview

Buying Guide

  • What is the lifespan of MCZ33903CD3EK?

    The lifespan of MCZ33903CD3EK depends on various factors such as the quality of materials used, operating conditions, and the manufacturer's recommended usage time. The datasheet provided by the manufacturer specifies the expected lifespan of the product.

  • Where can I find the full specification of MCZ33903CD3EK?

    You can find it with PDF Datasheet for MCZ33903CD3EK on this page. If it is not available, you can contact Avaq at [email protected] to inquire about the Datasheet for this part.

  • How to check the quality of MCZ33903CD3EK?

    Avaq has separate quality services with common quality inspection equipment for testing items, you can also fill out a sample form, our team will get in touch with you within 24 HOURS.

  • Can I purchase samples for testing?

    Avaq offers free samples for customers to test. This can often help you determine whether the chip or component meets your needs.

  • Where can I check the delivery after the order is completed?

    Once the order is completed, you will receive an order confirmation email containing a tracking number from AVAQ, then you can track the delivery by yourself.

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