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TMC8461/TMC8462 EtherCAT® Slave Controllers

TRINAMIC Motion Control's TMC8461 and TMC8462 complete EtherCAT slave controllers are optimized for real-time response

Image of TRINAMIC's TMC8461/TMC8462 EtherCAT Slave ControllersTRINAMIC Motion Control extends its portfolio of dedicated EtherCAT slave controller ICs with integrated motor control peripherals. The TMC8461 and TMC8462 are the world’s first EtherCAT slave controllers with high voltage I/Os capable of 24 V and two integrated switching regulators. Additionally, the TMC8462 additionally has two integrated Ethernet PHYs for minimized board space. Both ICs eliminate latency by incorporating PWM and step/dir I/O peripherals that make routing through the firmware of an application processor redundant, making it ideal for Industrial IoT, automation and other applications requiring real-time response.

Extending the feature set of EtherCAT’s core technology, the slave controllers come with a broad array of peripherals and features. An integrated smart-peripherals block accessible from an MCU or EtherCAT master and, in addition to the PWM unit and step/dir interface, an SPI master and encoder interface that can be directly mapped to the process data object (PDO) by the memory manager. This unique SPI interface enables latency-free read from an ADC or encoder or write to a DAC.

The ICs include a standalone mode that enables direct mapping of integrated peripherals to bus registers, while in parallel an external MCU can perform higher layer protocol operations. To ensure wide interoperability, the TMC8461 and TMC8462 communication hardware has been verified as 100% compatible with the existing Beckhoff EtherCAT slave controller through extensive interoperability testing.

Like all devices by Trinamic, the ICs benefit from the company’s comprehensive development eco-system, called "Landungsbrücke." This includes evaluation boards, reference designs and, for the TMC8461 and TMC8462 devices, sample EtherCAT software stacks for Cortex® MCUs. All configuration and parameterization tools are incorporated into Trinamic’s integrated development environment (IDE). The devices can be used with any MCU that comes with SPI, or standalone in SPI emulation mode.

The TMC8461-BA comes in a BGA144 (10 x 10) package and the TMC8462-BA comes in a small BGA121 (9 x 9) package. The devices meet the -40°C to +125°C automotive grade temperature specification.

Features
  • Standard compliant EtherCAT slave controller
  • Eight high voltage I/Os (up to 35 V, 100 mA)
  • 2x switching regulator for system supply
  • Multifunction block comprises watchdog, 4 PWM outputs, and step/dir generator
  • TMC8461: 2 MII interfaces for external Ethernet PHY
  • TMC8462: 2 integrated 100 Mbit Ethernet PHYs

TMC8461/TMC8462 EtherCAT® Slave Controllers

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
IC ETHERNET CNTRLR SPI 144BGATMC8461-BAIC ETHERNET CNTRLR SPI 144BGA37 - ImmediateView Details
IC ETHERNET CNTRLR SPI 121BGATMC8462-BAIC ETHERNET CNTRLR SPI 121BGA255 - ImmediateView Details

Evaluation Boards

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
EVAL BOARD FOR TMC8461TMC8461-EVALEVAL BOARD FOR TMC84610View Details
EVAL BOARD FOR TMC8462TMC8462-EVALEVAL BOARD FOR TMC84620View Details
BREAKOUTBOARD FOR TMC8462TMC8462-BOB-ETHBREAKOUTBOARD FOR TMC84620View Details
Published: 2018-05-11