TMC6460ATU+T - 36V/3A Smart FOC BLDC Servo Driver IC | ADI Trinamic
MPN: TMC6460ATU+T ✓ Hoạt độngTMC6460ATU+T Tóm tắt
What is a smart servo driver IC? A smart servo driver is a highly-integrated motor control IC that combines the microcontroller/MCU-style control law (often an FOC computation engine), gate drivers, power MOSFETs, current shunts/amplifiers, and encoder feedback peripherals on a single die. Within the power-management hierarchy for motion systems, it sits between the discrete MCU + gate-driver + external FET stack (lower integration, more design effort) and a full industrial servo drive module (higher integration, less design flexibility). The TMC6460 collapses that stack into one package, letting engineers implement torque- and velocity-controlled BLDC/PMSM servos without writing low-level commutation code.
Key differentiating features include hardware-accelerated FOC computation, integrated NMOS power stage with on-chip current sense, support for absolute encoders (BiSS-C, SSI, Tamagawa T-format via firmware load), an integrated I/O controller that can host custom encoder protocol firmware, multiturn 32-bit position counter, and communication interfaces including SPI, I2C, and UART. The device is designed for the ADI Trinamic TMCL ecosystem, simplifying firmware development and evaluation via the TMC6460-EVKIT.
Typical applications are three-phase BLDC and PMSM servo drives up to ~100 W mechanical output, robotic joint actuators, gimbals and drone propulsion, medical pumps and infusion devices, e-mobility hubs, and small-format CNC or 3D-printer spindles. The exposed-pad TQFN-38 (5x7 mm) package enables direct PCB thermal dissipation. Designers targeting firmware reuse across platforms benefit from the integrated I/O controller, which lets additional encoder protocols be added by uploading a custom program rather than redesigning hardware.
When designing in the TMC6460, observe the 36 V absolute maximum supply rating and provide sufficient bulk capacitance on VMOT to absorb regen energy. Mount the exposed pad onto a copper pour of at least 1 square inch to keep junction temperatures within ratings at full 3 A phase current. Because most of the FOC loop runs in hardware, firmware development is dramatically simpler than a discrete MCU + gate-driver solution, but the part is not a general-purpose micro - it cannot replace an application processor in the system.
Bộ thay thế dễ dàng lắp đặt cho TMC6460ATU+T — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với TMC6460ATU+T (cùng hình factor và footprint) — khác nhau ở Control Algorithm, Package, Current Sensing, Evaluation Kit, Motor Type.
TMC6460ATU+
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
TMC6460ATU+TTR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
TMC6460ATU+T Tỷ lệ tối đa & tính chất điện
| Motor Type | BLDC / PMSM (3-phase) |
| Control Algorithm | Field-Oriented Control (FOC), hardware-accelerated |
| Supply Voltage (VMOT max) | 36 V |
| Continuous Phase Current | 3 A RMS |
| Power Stage | Integrated NMOS |
| Current Sensing | On-chip |
| Communication Interfaces | SPI, I2C, UART |
| Encoder Support | Incremental, absolute; BiSS-C, SSI, Tamagawa via firmware load |
| Position Counter | 32-bit multiturn |
| Integrated I/O Controller | Yes (custom encoder protocol upload) |
| Hộp | 38-TQFN exposed pad, 5x7 mm |
| Kiểu lắp đặt | Surface Mount |
| Configuration | PCB Mount |
| Trạng thái RoHS | Compliant |
| Evaluation Kit | TMC6460-EVKIT (TMC6460-EVAL + Landungsbruecke + Eselsbruecke) |
Cấu hình chân TMC6460ATU+T
| Chân 1 | VMOT — Motor power supply (up to 36 V) |
| Chân 2 | GND — Ground |
| Chân 3 | U — Phase U output to motor |
| Chân 4 | V — Phase V output to motor |
| Chân 5 | W — Phase W output to motor |
| Chân 6 | SCLK — SPI clock |
| Chân 7 | SDI — SPI data in / MOSI |
| Chân 8 | SDO — SPI data out / MISO |
| Chân 9 | CSN — SPI chip select (active low) |
| Chân 10 | SCL — I2C clock |
| Chân 11 | SDA — I2C data |
| Chân 12 | TX — UART transmit |
| Chân 13 | RX — UART receive |
| Chân 14 | ENC_A — Encoder A input |
| Chân 15 | ENC_B — Encoder B input |
| Chân 16 | ENC_N — Encoder index / Z |
| Chân 17 | HALL_U — Hall sensor U input |
| Chân 18 | HALL_V — Hall sensor V input |
| Chân 19 | HALL_W — Hall sensor W input |
| Chân 20 | GPIO0 — General-purpose I/O |
| Chân 21 | GPIO1 — General-purpose I/O |
| Chân 22 | GPIO2 — General-purpose I/O |
| Chân 23 | GPIO3 — General-purpose I/O |
| Chân 24 | DRV_EN — Driver enable (active high) |
| Chân 25 | FAULT — Fault output (active low, open drain) |
| Chân 26 | RESET — Reset input (active low) |
| Chân 27 | INT — Interrupt output |
| Chân 28 | VDD — Logic supply (3.3 V) |
| Chân 29 | VDDIO — I/O supply reference |
| Chân 30 | GND — Ground |
| Chân 31 | NC — Not connected (per datasheet) |
| Chân 32 | NC — Not connected (per datasheet) |
| Chân 33 | NC — Not connected (per datasheet) |
| Chân 34 | NC — Not connected (per datasheet) |
| Chân 35 | NC — Not connected (per datasheet) |
| Chân 36 | NC — Not connected (per datasheet) |
| Chân 37 | NC — Not connected (per datasheet) |
| Chân 38 | NC — Not connected (per datasheet) |
| Chân 39 | EP — Exposed thermal pad - tie to GND copper pour |
Ứng dụng tiêu biểu
TMC6460ATU+T phù hợp cho 7 Áp dụngs: BLDC / PMSM Servo Drives, Robotic Joint Actuators, Drone and Gimbal Propulsion, Medical Pumps and Infusion Devices, E-Mobility Hubs and Small EVs, Compact CNC Spindles and 3D Printer Extruders, Industrial Servo and Automation.
BLDC / PMSM Servo Drives
The TMC6460ATU+T is purpose-built for three-phase BLDC and PMSM servo drives up to ~100 W mechanical output. Its hardware-accelerated FOC engine, integrated 36 V / 3 A NMOS power stage, and on-chip current sense allow a complete torque/velocity/position control loop without an external DSP or FPGA. Engineers typically place the TMC6460ATU+T on a 4-layer PCB with a 1 sq-inch copper pour tied to the exposed thermal pad; bulk capacitance on VMOT absorbs regen energy. The integrated I/O controller lets absolute encoder protocols (BiSS-C, Tamagawa) be added by firmware upload, eliminating a discrete encoder decoder IC.
Được đề xuất
Robotic Joint Actuators
Robotic arm joints, cobot actuators, and humanoid robot drives benefit from the TMC6460ATU+T's 32-bit multiturn position counter, absolute encoder support, and compact 5x7 mm TQFN footprint. The hardware FOC computes torque loops in real time, freeing the host MCU to manage trajectory planning and safety logic. With 3 A RMS phase current, the part covers most sub-100 W frameless and hobby servo motors used in 6-7 DOF robotic arms. Built-in SPI/UART host interfaces make it easy to integrate into ROS-based or proprietary robot control stacks.
Được đề xuất
Drone and Gimbal Propulsion
Drones, camera gimbals, and handheld stabilizers use small three-phase BLDC motors in the 24 V / sub-3 A class - exactly the TMC6460ATU+T's sweet spot. Its hardware-accelerated FOC enables smooth low-speed torque control for cinematic gimbals, while high-speed commutation is accurate enough for multirotor ESC operation. The exposed-pad TQFN package keeps the PCB small and lightweight, critical for airframes. With on-chip current sensing, telemetry data can be streamed back to the flight controller via the SPI/UART host interface for closed-loop throttle response.
Được đề xuất
Medical Pumps and Infusion Devices
Medical infusion pumps, dialysis machines, and laboratory peristaltic pumps demand precise low-flow BLDC control with full traceability. The TMC6460ATU+T's 32-bit multiturn position counter and absolute encoder support provide closed-loop dosing accuracy, while its hardware FOC ensures smooth torque ramps that avoid the pulsation artifacts of open-loop stepper or trapezoidal BLDC commutation. The 36 V / 3 A envelope covers most small medical pumps, and the integrated current sense enables stall detection - critical for safety in patient-connected devices.
Được đề xuất
E-Mobility Hubs and Small EVs
E-bike hub motors, e-scooter wheels, and small AGV/AMR drive wheels use BLDC or PMSM motors in the 24-36 V / sub-3 A class that the TMC6460ATU+T can drive directly. The integrated FOC provides efficient torque per ampere, while regenerative braking energy can be absorbed by bulk capacitance on VMOT (subject to the 36 V supply cap). Field-oriented control also produces smoother low-speed torque for traction and braking, important for rider safety and energy efficiency. Multiple TMC6460ATU+T devices can be multiplexed on a single SPI bus for multi-axis AGVs.
Được đề xuất
Compact CNC Spindles and 3D Printer Extruders
Small CNC spindles, 3D printer extruders, and pick-and-place tool drives benefit from the TMC6460ATU+T's quiet FOC operation and precise velocity control. Unlike open-loop stepper drivers, closed-loop FOC via the TMC6460 eliminates missed steps at high acceleration and produces lower acoustic noise - critical for desktop and laboratory equipment. With on-chip current sense and absolute encoder support, the part enables closed-loop extrusion control for high-resolution 3D printing. The 38-TQFN (5x7 mm) footprint is compact enough for integration on a typical motion-control daughterboard.
Được đề xuất
Industrial Servo and Automation
Industrial servo drives, packaging machinery, conveyor diverters, and textile automation require reliable three-phase motor control with deterministic latency. The TMC6460ATU+T's hardware FOC engine executes the torque loop in deterministic cycles, while the integrated I/O controller can host custom encoder protocols for legacy or proprietary feedback devices. The 36 V / 3 A envelope is suitable for small servo drives, with multiple units networked on SPI for multi-axis machines. Industrial compliance is supported via the part's RoHS-compliant, lead-free, surface-mount TQFN package suitable for reflow production.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho TMC6460ATU+T — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | TMC6460ATU+ | TMC6460ATU+TTR |
|---|---|---|---|
| Package | 38-TQFN (5x7 mm) exposed pad | 38-TQFN (5x7 mm) exposed pad - same | 38-TQFN (5x7 mm) exposed pad - same |
| Brand | Analog Devices (formerly Trinamic / Maxim Integrated) | Analog Devices - same | Analog Devices - same |
| Supply Voltage (max) | 36 V | 36 V | 36 V |
| Continuous Phase Current | 3 A RMS | 3 A RMS | 3 A RMS |
| Control Algorithm | Hardware FOC | Hardware FOC | Hardware FOC |
| Host Interfaces | SPI / I2C / UART | SPI / I2C / UART | SPI / I2C / UART |
| Packaging Form | Tape & Reel (7-inch) | Tray | Tape & Reel (13-inch) |
| Pin-out Compatibility | Reference | 100% identical | 100% identical |
| Unit Price (qty 1, as of 2026-10-05) | $18.42 | $18.42 (typical) | Call for quote |
Bảo phân biệt quan trọng
- Fully-integrated FOC + power stage + current sense in one IC (vsDiscrete MCU + gate-driver + FET stack)
- Programmable I/O controller for custom encoder protocols (vsDiscrete encoder decoder ICs)
- 32-bit multiturn position counter integrated (vsExternal position counter / host MCU counting)
Ghi chú thiết kế
At VMOT=24 V, VOUT_phase=12 V line-neutral, and 3 A RMS continuous phase current, the TMC6460ATU+T dissipates power in the integrated NMOS output stage proportional to RDS(on) x I^2 and switching losses. Per the datasheet thermal guidance, the 38-TQFN exposed pad should be soldered to a copper pour of at least 1 square inch (4-layer board with 2 oz outer copper recommended). Without adequate thermal design, sustained 3 A operation will engage the on-chip thermal shutdown circuit and degrade long-term reliability.
Place bulk motor supply capacitance (low-ESR electrolytic or polymer, typically 47-220 uF / 50 V) within 25 mm of the VMOT pin to absorb regen current peaks. Use 100 nF + 1 uF ceramic bypass close to VDD and VDDIO logic supply pins. The three-phase outputs U/V/W should be routed as a symmetric three-phase group with matched trace lengths, and the exposed pad should be tied to a star-grounded GND copper pour that does NOT share a return path with high-current motor currents to avoid ground bounce into sensitive analog sense nodes.
Do not exceed the 36 V absolute maximum on VMOT - motor regen from decelerating loads can easily exceed this if bulk capacitance is undersized. Ensure SPI/UART signal levels match VDDIO logic level (typically 3.3 V) - 5 V MCUs require a level shifter. The integrated I/O controller for custom encoder protocols (BiSS-C, Tamagawa) requires firmware uploaded via the TMCL-IDE development environment - it is NOT programmable from arbitrary host MCUs.
The TMC6460ATU+T integrates high-current switching outputs with sensitive analog current-sense and encoder feedback signals on the same die. Keep SPI/I2C/UART traces short (under 50 mm) and away from the U/V/W phase traces. Place a small ferrite bead or RC filter on the VDD/VDDIO logic supply if switching noise from VMOT couples into the host MCU power rail. For BiSS-C or SSI absolute encoders, maintain 100 ohm differential termination on long cable runs to preserve signal integrity.
Thông tin tuân thủ
RoHS and lead-free compliance per Analog Devices product page and DigiKey listing. The TMC6460ATU+T is a motor driver / motor control IC, not an automotive-qualified part (AEC-Q100 not applicable). For automotive motor control, look at AEC-Q100 qualified ADI parts in a different family.
