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MC34903CS5EK Dataheets PDF



Part Number MC34903CS5EK
Manufacturers Freescale Semiconductor
Logo Freescale Semiconductor
Description System Basis Chip - SBC
Datasheet MC34903CS5EK DatasheetMC34903CS5EK Datasheet (PDF)

Freescale Semiconductor Technical Data Document Number: MC34903_4_5 Rev. 4.0, 10/2013 System Basis Chip with CAN High Speed and LIN Interface I3n34d49u90s03t3/r4/i/a5l The 34903/4/5 is the second generation family of the System Basis Chip (SBC). It combines several features and enhances present module designs. The device works as an advanced power management unit for the MCU with additional integrated circuits such as sensors and CAN transceivers. It has a built-in enhanced high-speed CAN in.

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Freescale Semiconductor Technical Data Document Number: MC34903_4_5 Rev. 4.0, 10/2013 System Basis Chip with CAN High Speed and LIN Interface I3n34d49u90s03t3/r4/i/a5l The 34903/4/5 is the second generation family of the System Basis Chip (SBC). It combines several features and enhances present module designs. The device works as an advanced power management unit for the MCU with additional integrated circuits such as sensors and CAN transceivers. It has a built-in enhanced high-speed CAN interface (ISO11898-2 and -5) with local and bus failure diagnostics, protection, and fail-safe operation modes. The SBC may include zero or one LIN 2.1 interface with LIN output pin switches. It includes up to four wake-up input pins that can also be configured as output drivers for flexibility. This device is powered by SMARTMOS technology. SYSTEM BASIS CHIP This device implements multiple Low-power (LP) modes, with very low-current consumption. In addition, the device is part of a family concept where pin compatibility adds versatility to module design. EK Suffix (Pb-free) 98ASA10556D 32-PIN SOIC The 34903/4/5 also implements an innovative and advanced fail-safe state machine and concept solution. Applications Features • Industrial process control • Voltage regulator for MCU, 5.0 or 3.3 V, part number selectable, with possibility of usage external PNP to extend current capability and share power dissipation • Voltage, current, and temperature protection • Automation • Motor control • Robotics • Extremely low quiescent current in LP modes • Fully-protected embedded 5.0 V regulator for the CAN driver • Multiple undervoltage detections to address various MCU specifications and system operation modes (i.e. cranking) • Auxiliary 5.0 or 3.3 V SPI configurable regulator, for additional ICs, with overcurrent detection and undervoltage protection • MUX output pin for device internal analog signal monitoring and power supply monitoring • Advanced SPI, MCU, ECU power supply, and critical pins diagnostics and monitoring. • Multiple wake-up sources in LP modes: CAN or LIN bus, I/O transition, automatic timer, SPI message, and VDD overcurrent detection. • ISO11898-5 high-speed CAN interface compatibility for baud rates of 40 kb/s to 1.0 Mb/s • Scalable product family of devices ranging from 0 to 1 LIN, compatible to J2602-2 and LIN 2.1 Freescale Semiconductor, Inc. reserves the right to change the detail specifications, as may be required, to permit improvements in the design of its products. © Freescale Semiconductor, Inc., 2013. All rights reserved. TABLE OF CONTENTS TABLE OF CONTENTS Simplified Application Diagrams ................................................................................................................. 3 Device Variations ....................................................................................................................................... 5 Internal Block Diagrams ............................................................................................................................. 6 Pin Connections ......................................................................................................................................... 8 Electrical Characteristics .......................................................................................................................... 12 Maximum Ratings .................................................................................................................................. 12 Static Electrical Characteristics ............................................................................................................. 15 Dynamic Electrical Characteristics ........................................................................................................ 23 Timing Diagrams ................................................................................................................................... 26 Functional Description .............................................................................................................................. 31 Introduction ............................................................................................................................................ 31 Functional Pin Description ..................................................................................................................... 31 Functional Device Operation .................................................................................................................... 35 Mode and State Description .................................................................................................................. 35 LP Modes .............................................................................................................................................. 36 State Diagram ................................................................................................


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