TMC8462A-BA - EtherCAT Slave Controller, 2x 100M PHY, 121-BGA | ADI
MPN: TMC8462A-BA ✓ فعالTMC8462A-BA جائزہ
An EtherCAT slave controller is the silicon block responsible for handling the deterministic EtherCAT protocol on behalf of the application processor, offloading real-time mailbox and cyclic datagram processing so the host MCU can focus on the motion or I/O task itself. The TMC8462A-BA sits inside an industrial fieldbus hierarchy above the 100BASE-TX PHY and below the application MCU, and ultimately below higher-level Industrial Ethernet protocols such as PROFINET, EtherNet/IP, and CIP Motion - it is the lowest layer that interprets EtherCAT frames natively. Compared with discrete EtherCAT slave designs, it eliminates an external PHY, an external auxiliary regulator, and a discrete 24V-tolerant I/O buffer.
Key features of the TMC8462A-BA include two integrated 100-Mbit Ethernet PHYs that drive a daisy-chained EtherCAT port 0/port 1 topology, a built-in dual switch-mode power supply block, eight high-voltage (24V-tolerant) digital I/Os for industrial sensors and actuators, a watchdog timer, a PWM unit, and SPI/I2C master interfaces. The integrated PHYs remove the need for external 100BASE-TX magnetics-side circuitry, and 24V-tolerant I/Os allow direct connection to industrial sensors without a separate level shifter.
Architecturally, the TMC8462A-BA combines the EtherCAT Processing Unit (EPU), two 100BASE-TX PHYs, an Ethernet MAC, a digital I/O bank, and a power management block on a single die. The internal switch-mode regulator generates the lower rails required for the digital core and PHYs from the incoming 5-35 V bus, simplifying the bill of materials and reducing PCB area versus a discrete EtherCAT solution.
Typical applications for the TMC8462A-BA include industrial motor drives, stepper and servo controllers using EtherCAT, distributed I/O modules, sensor/actuator nodes, robotic sub-systems, and CNC peripherals where EtherCAT slave controllers are required. It is also used as the slave side of the TMC8462A-EVAL evaluation kit.
When designing with the TMC8462A-BA, ensure the upstream 24V supply is decoupled with low-ESR bulk capacitance near the BGA and that MDI traces to the magnetics are length-matched, as required by 100BASE-TX. The host SPI clock should not exceed the datasheet maximum, and unused high-voltage I/Os must be tied to a defined logic level to avoid floating inputs in the field.
This page synthesizes distributor pricing, drop-in same-package variants, datasheet PDF location, and application design notes not all collected in one place on the manufacturer datasheet alone.
کے لیے ڈراپ اِن متبادل TMC8462A-BA — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
TMC8460-BA
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
TMC8461-BA
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
TMC8462A-BA تفصیلات
| Product Type | EtherCAT Slave Controller |
| سپلائی وولٹیج | 5 V to 35 V |
| Integrated Ethernet PHYs | 2 x 100-Mbit (100BASE-TX) |
| Host Interfaces | SPI, I2C, MII |
| High-Voltage Digital I/Os | 8 x 24V-tolerant inputs/outputs |
| Integrated Power Supply | Dual switch-mode regulator |
| On-chip Peripherals | Watchdog, PWM, SPI/I2C master |
| Protocol Support | EtherCAT slave (deterministic, real-time) |
| پیکیج | 121-ball BGA, 9 mm x 9 mm |
| ماؤنٹنگ ٹائپ | Surface Mount |
| آپریٹنگ درجہ حرارت | -40C to +85C (industrial) |
| RoHS اسٹیٹس | Compliant |
| Datasheet Revision | V1.10 (2022-Aug-29) |
| Evaluation Board | TMC8462A-EVAL |
| Manufacturer | Analog Devices (formerly Trinamic Motion Control) |
TMC8462A-BA 121-ball bga, 9 mm x 9 mm پن کنفیگریشن گائیڈ
TMC8462A-BA (121-ball bga, 9 mm x 9 mm پیکیج) کے لیے پن کنفیگریشن۔ پن نمبرنگ، فنکشنز اور کنکشن ڈایاگرامز مینوفیکچرر کے ڈیٹا شیٹ میں بیان کیے گئے ہیں۔ درست فٹ پرنٹ اور سولڈرنگ رہنما ہدایات کے لیے اسی سے رجوع کریں۔
کے لیے تفصیلی پن آؤٹ ڈیٹا دستیاب نہیں TMC8462A-BA.
رجوع کریں ڈیٹا شیٹ مکمل پن کنفیگریشن کے لیے۔
عام استعمالات
TMC8462A-BA کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Stepper Drive EtherCAT Node, Distributed I/O Module (EtherCAT Slave), Robotic Sub-system (Cobot / SCARA arm), CNC Peripheral (Spindle / Tool Changer), Sensor / Actuator Fieldbus Node, EVAL / Reference Design Bring-up.
Industrial Stepper Drive EtherCAT Node
The TMC8462A-BA is a natural fit for industrial stepper and servo drives that need EtherCAT connectivity, because its 24V-tolerant digital I/Os can directly interface with industrial limit-switch and enable inputs without an external level shifter. The integrated dual 100-Mbit PHYs allow the drive to be daisy-chained on the EtherCAT bus without an external PHY, while the on-chip watchdog and PWM unit coordinate with a host MCU running the motion loop. Placed on a 4-layer PCB with proper MDI trace matching per 100BASE-TX, the part supports typical stepper cycle rates and EtherCAT distributed-clock synchronization as required by the CAN-over-EtherCAT (CoE) profile.
تجویز کردہ
Distributed I/O Module (EtherCAT Slave)
Compact EtherCAT digital and analog I/O terminals benefit from the TMC8462A-BA's combination of two integrated PHYs and 24V-tolerant I/Os in a single 121-BGA package, reducing part count versus discrete PHY + controller + level-shifter designs. The host SPI channel lets a small Cortex-M0 class MCU poll mailbox status and update outputs synchronously to the EtherCAT distributed clock. Placed in a DIN-rail-mounted fieldbus terminal, the part supports typical industrial I/O refresh rates (sub-millisecond) and is qualified for the -40C to +85C temperature range required inside sealed cabinets.
تجویز کردہ
Robotic Sub-system (Cobot / SCARA arm)
Cobot and SCARA arm controllers benefit from real-time EtherCAT networking that the TMC8462A-BA implements directly on-chip. Its on-chip SPI/I2C master blocks let the controller read joint encoders and drive local servo amplifiers over a single host SPI connection, eliminating a backplane processor in each joint node. In a typical 6-axis cobot, six TMC8462A-BA-based joint nodes daisy-chain on a single EtherCAT segment with deterministic cycle times measured in the hundreds of microseconds, well within the CoE cycle envelope.
تجویز کردہ
CNC Peripheral (Spindle / Tool Changer)
CNC peripheral nodes such as spindle controllers, tool changers, and coolant valves use EtherCAT for deterministic response, and the TMC8462A-BA's 24V I/O bank lets it directly drive 24V solenoids and read 24V proximity sensors without external buffers. The integrated dual switch-mode regulator derives internal rails from the 24V CNC backplane, simplifying power-tree design. Placed near the spindle VFD, the part's watchdog and PWM peripherals can be repurposed for local closed-loop control as well as EtherCAT communication.
تجویز کردہ
Sensor / Actuator Fieldbus Node
Stand-alone EtherCAT sensor and actuator nodes - pressure transmitters, valve manifolds, and flow meters - benefit from the TMC8462A-BA's compact single-chip integration, where the dual-PHY chain-on feature lets multiple nodes share a single EtherCAT segment without an external switch. With a Cortex-M0 host attached to the SPI bus, the part handles all protocol processing while the host does sensor signal conditioning. Per the datasheet typical performance, distributed clock jitter stays below the +/-1us required by most process-control sensors, and the on-chip watchdog adds safety integrity against host lock-ups.
تجویز کردہ
EVAL / Reference Design Bring-up
Engineers validating EtherCAT slave designs use the TMC8462A-EVAL board with a TMC8462A-BA fitted to bring up a real EtherCAT node in minutes, exercising all datasheet features including PDO/SDO mailbox, distributed clocks, and the on-chip SPI/I2C master. The Eselsbruecke bridge board exposes all host signals for oscilloscope probing. This application is the canonical first step before designing a custom PCB, and is documented in the Analog Devices evaluation kit landing page.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا TMC8462A-BA — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | TMC8460-BA | TMC8461-BA |
|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices |
| Package | 121-BGA (9x9 mm) | 121-BGA (same) | 121-BGA (same) |
| Integrated 100-Mbit PHYs | 2 (dual PHY) | 1 (single PHY) | 1 (single PHY) |
| EtherCAT Support | Yes (slave controller) | Yes | Yes |
| Supply Voltage | 5V to 35V | 5V to 35V | 5V to 35V |
| 24V-Tolerant I/Os | Yes (integrated) | Yes | Yes (reduced count) |
| On-chip Power Management | Dual switch-mode regulator | Dual switch-mode regulator | Dual switch-mode regulator |
| Host Interface | SPI / I2C / MII | SPI / I2C / MII | SPI / I2C |
اہم امتیازی خصوصیات
- Dual integrated 100-Mbit Ethernet PHYs eliminate external PHY BOM (بمقابلہTMC8460-BA)
- 24V-tolerant digital I/O bank on-chip (بمقابلہTMC8461-BA)
- Integrated dual switch-mode regulator (بمقابلہDiscrete EtherCAT solutions)
ڈیزائن نوٹس
The 121-ball BGA requires a 4-layer PCB with a continuous ground plane and dedicated power planes for the analog and digital rails. Place the 100BASE-TX MDI traces to the magnetics on the top layer with length matching (per 100BASE-TX) and route them over a continuous ground pour to keep return paths short. Place the 24V bulk decoupling capacitor as close as physically possible to the BGA supply balls; this is critical because the on-chip switch-mode regulator's switching transients will otherwise couple back into the PHY analog rails.
Estimated: with the internal switch-mode regulator operating at full load (drawing ~500 mA of internal current), total on-die dissipation is roughly 1.5W at 24V input. On the 121-BGA 9x9 mm package with the recommended 4-layer thermal via array under the BGA, theta_JA is on the order of 20 C/W, giving about 30C rise above ambient. For enclosed industrial cabinets at 70C ambient, junction temperature stays within the 85C industrial limit. Adding a thermal pad cuts dissipation margin further; confirm with the manufacturer's thermal model in the datasheet before designing sealed enclosures.
Do not route SPI traces longer than 50 mm without a series terminator; signal integrity at the SPI clock the host MCU drives into the TMC8462A-BA must hold a clean edge. Unused 24V-tolerant I/Os MUST be tied to a defined logic level (either GND through 10k or to a known logic rail) - floating inputs at industrial ambient temperatures can latch the I/O bank. Finally, do not assume drop-in compatibility between the TMC8462A-BA and the Beckhoff ET1100 - they share functional intent but have completely different pinouts and require a PCB redesign.
تعمیل کی معلومات
RoHS and REACH compliance per Analog Devices product page. Not AEC-Q100 qualified - this is an industrial-grade part, not automotive-grade. Halogen-free status not explicitly listed in provided web data.
