NCV7471BDQ5R2G

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Specialized Interfaces
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High Reliability Interface Circuit | Ensures safe power−up sequence and the correct reaction to different supply conditions
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Specialized Interfaces
onsemi

Body Control Module Solutions

The Body Control Module (BCM) functions as a central vehicle gateway providing signal outputs to execute functions for comfort and convenience applications such as lighting, windshield wiper control, door locks, mirrors, windows, powertrain components and wireless interfaces. The BCM functions as a communication gateway by routing vehicle messages between various ECU based subsystems in the vehicle. Depending on the vehicle complexity, there may be multiple BCM systems integrated into a vehicle.

Please view the Body Control Module Block Diagram from ON Semiconductor here.

Primary system blocks in the topology:

•  Power management including reverse battery protection
•  System basis chip and transceivers for in-vehicle communications
•  Signal conditioning of any digital and analog inputs
•  High and low side drivers
•  LED drivers
•  Motor drive and control

Body Control Module

System Basis Chip and Transceivers for In-Vehicle Communications

The NCV7471B provides and monitors the low−voltage power supplies for the application microcontroller and other loads, monitors the application software via a watchdog and includes high−speed CAN/CANFD and LIN transceivers allowing the ECU to host multiple communication nodes or to act as a gateway unit.

ON Semiconductor provides an automotive portfolio offering AECQ-100 qualified in-vehicle network solutions to facilitate communication using CAN, CAN-FD, LIN and FlexRay protocols. In-vehicle network solutions are available in single-channel, multi-channel, and SBC (System Bases Chip) configurations capable of transmission speeds ranging from 1 Mb/s to 10 Mb/s with transient and thermal protection capability. The SBC devices implement either a 3.3 V or a 5 V voltage regulator to aid in reduction of component count for the power supply architecture. In addition, AECQ-101 qualified protection discretes designed to protect vehicle communication lines from ESD and other harmful transient voltage events are available if protection to the IEC61000-4-2 (+/- 30 kV) standard is a requirement for the design.

In-vehicle network and SBC transceivers are compatible to the following standards:

•  ISO 11898-2, ISO 11898-5 standards (CAN)
•  ISO 11898−2:2016 (CAN-FD)
•  LIN compliant to specification revision 2.1 (backward compatible to versions 2.0 and 1.3) and SAE J2602
•  LIN compliant to ISO 17987−4 (backward compatible to LIN specification rev. 2.x, 1.3) and SAE J2602
•  FlexRay electrical physical layer specification rev 3.0.1

Motor Drive and control

The automotive portfolio offers AECQ-100 qualified solutions for both brushed and brushless DC motor controls that can be integrated into the BCM. The LV8907 is a sensor-less three phase brushless DC motor controller containing integrated gate drivers for driving external MOSFETS with a set of system protection and diagnostic functions. The device is rated for operation up to 175°C and is LIN compatible. Another option, the LV8968 is a three-phase BLDC pre-driver with integrated phase voltage sensing capability with logic level FET compatibility. This device contains protection and monitoring features that make the device suitable for ISO26262 applications. The NCV7535 is a highly integrated, SPI controlled solution for control of brushed DC motors that facilitates relay replacement using MOSFETS. This device contains a charge pump for high side supply and fault monitoring features. The NCV7707 Door Module Driver is a flexible, multi-function SPI controlled device designed to control vehicle mirrors, door locks, LEDs, and Lamps.

EU RoHS COMPL
Pin Count: 36
Pin Count describes number of leads attached to package body or number of contact points for each component.