TMC6460 - 36V Fully-Integrated Servo Drive FOC Controller | ADI Trinamic
MPN: TMC6460 ✓ AktifTMC6460 Genel Bakış
Background: A fully-integrated servo drive IC is a category of motor-control semiconductor that consolidates the FOC algorithm, the power stage, feedback processing, and current measurement into one chip. Within the broader system hierarchy, a servo drive IC sits under motor driver -> motor control -> power management IC -> semiconductor. This integration eliminates external DSP/MCU FOC computation, external gate drivers, and shunt-based current sense amplifiers, dramatically reducing PCB area and firmware complexity for designers building brushless motion systems.
Key features include hardware-accelerated sinusoidal commutation for smooth torque, integrated gate drivers capable of driving external N-channel MOSFETs, integrated current sensing without external shunt resistors in many configurations, and encoder/Hall sensor feedback interfaces. The device supports torque, velocity, and position control modes with a single-chip solution that previously required a DSP/MCU plus external driver stage plus analog front-end.
The TMC6460 architecture pairs an ARM-class host interface with ADI Trinamic's proprietary hardware FOC block, offloading the computationally intensive Park/Clarke transforms and SVPWM modulation from the application processor. This hardware-FOC approach delivers deterministic loop timing at microsecond scale, which is critical for low-inductance PMSM motors used in robotics and CNC machines where software FOC on a general-purpose MCU often struggles with jitter.
Typical use cases are collaborative robot joints, drone gimbal and propulsion BLDC controllers, surgical and diagnostic medical pumps, CCTV/PTZ camera pan-tilt heads, and laboratory automation stepper-replacement BLDC axes. The wide 36V supply range covers 12V/24V industrial bus rails directly without an intermediate DC-DC stage.
Design consideration: Sizing the external MOSFETs and the bootstrap capacitors is the primary design trade-off. The integrated gate drivers source/sink peak currents that must be matched to the Qg of the chosen FETs; under-sized FETs improve switching loss, while over-sized FETs may exceed the driver's drive strength and slow switching edges.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, giving engineers a single reference to plan trade-offs in robotics, medical, and camera motion subsystems.
Drop-in alternatifler için TMC6460 — aynı paket, pin-başına uyumlu. PCB yeniden montajı gerektiren farklı paket bileşenleri dışlanmıştır.
Bu Serideki Variantlar
Yedek parça uyumlu olan aynı serideki modeller TMC6460 (aynı form faktörü ve ayağa oturma) — farklı olan Control Algorithm, Current Sensing, Package.
TMC6460ATU+T
✅ YerleştirmeFiyat için iletişime geçin
Veri Şablonunu Görüntüle →TMC4671
✅ Yerleştirme ⚠️ Onaylanmamış Özellikler📋 Katalogda Olmayan Referans Alternatifi
TMC6300
✅ Yerleştirme ⚠️ Onaylanmamış Özellikler📋 Katalogda Olmayan Referans Alternatifi
TMC6460 Maksimum Değerlendirmeler & Elektriksel Özellikler
| Product Type | Fully-integrated servo drive IC |
| Motor Types | BLDC / 3-phase PMSM / DC motor |
| Supply Voltage (VS) | 36 V (max) |
| Control Algorithm | Hardware FOC (Field-Oriented Control) |
| Integrated Power Stage | Gate drivers for external N-MOSFETs |
| Current Sensing | Integrated (on-chip) |
| Feedback Interfaces | Encoder / Hall sensor |
| Host Interfaces | I2C, SPI, UART |
| Paket | 38-pin TQFN (5x7 mm) |
| Montaj Türü | Surface Mount |
| RoHS Durumu | Compliant |
| Output Power | Application-dependent (driven by external MOSFETs) |
| Lead-Free | Yes |
TMC6460 38-pin tqfn (5x7 mm) Pin Yapısı Kılavuzu
TMC6460 (38-pin tqfn (5x7 mm) paket) için pin yapısı. Bu güç cihazı gate, drain ve kaynak terminal özelliklerlidir. Polarizasyonlu paketler için, doğru pin 1 yönlendirme ve ayak detayları için üretici veri kitapçığını referans alın. Orta uygulamalar arasında güç besleme tasarımı, motor kontrolü ve yük değiştirme bulunur.
Ayrıntılı pin çıkış verisi mevcut değil: TMC6460.
Aşağıdaki veri sayfası tam pin konfigürasyonu için.
Tipik Uygulamalar
TMC6460 için uygundur 7 uygulamas: Collaborative Robot Joints, Drone BLDC ESC Motor, Surgical and Medical Pumps, PTZ Camera Pan-Tilt Heads, Industrial Automation BLDC Axes, Lab Automation BLDC Actuators, Humanoid Robot Actuators.
Collaborative Robot Joints
The TMC6460 is ideal for collaborative robot (cobot) joint actuators where smooth torque and precise position control are required. Its hardware FOC engine delivers deterministic torque-loop timing at microsecond scale, eliminating the FOC firmware burden on the main robot controller. With 36V supply, it directly handles the 24V industrial bus common in cobot designs, and on-chip current sensing removes external amplifiers. Paired with Hall or absolute encoder feedback, it achieves the low cogging and acoustic noise demanded in human-robot workspaces.
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Drone BLDC ESC Motor
The TMC6460 serves as an integrated electronic speed controller (ESC) for drone propulsion and gimbal BLDC motors. Its hardware FOC reduces propeller-induced torque ripple and improves flight-time efficiency versus 6-step trapezoidal commutation. The integrated gate drivers drive external N-MOSFETs sized for the propulsion current, and the 36V supply covers 6S-8S LiPo packs. Encoder feedback supports closed-loop RPM control, eliminating the prop-speed drift seen in sensorless ESCs during rapid throttle transients.
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Surgical and Medical Pumps
The TMC6460 is suited for surgical pumps, infusion pumps, and diagnostic lab automation requiring silent, vibration-free BLDC motion. Its hardware FOC delivers the smooth sinusoidal commutation that prevents pump chatter in fluidic systems, while the 36V rating covers 24V medical-grade rails. On-chip current sensing enables precise torque monitoring for occlusion detection in infusion pumps without external shunt resistors, improving reliability and reducing the BOM for FDA-cleared designs.
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PTZ Camera Pan-Tilt Heads
The TMC6460 powers the pan and tilt BLDC actuators in PTZ surveillance and broadcast cameras. Its hardware FOC ensures whisper-quiet motion even at slow tracking speeds, critical for broadcast applications where motor noise is captured by the microphone. Integrated current sensing enables accurate position-hold torque, while the encoder interface supports absolute position feedback for repeatable framing. The compact 38-pin TQFN (5x7 mm) package fits within space-constrained camera head assemblies.
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Industrial Automation BLDC Axes
The TMC6460 replaces discrete MCU + gate-driver + shunt-amplifier solutions in industrial automation BLDC axes such as conveyor diverters, pick-and-place rotary stages, and CNC spindle indexers. Its hardware FOC offloads the industrial PLC, reducing controller CPU utilization by 30-50%. The 36V rating handles 24V industrial bus rails, and integrated diagnostics (overcurrent, overtemperature, stall detection) simplify functional safety compliance per IEC 61508 in factory automation systems.
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Lab Automation BLDC Actuators
The TMC6460 is well-suited for lab automation BLDC actuators in liquid-handling robots, plate-handling arms, and centrifuge drives. Its hardware FOC delivers the precise torque control needed for delicate pipetting and tip-positioning without overshoot. The 38-pin TQFN (5x7 mm) footprint is small enough for the dense actuator PCBs typical of multi-axis lab robots, and integrated current sensing eliminates external shunt resistors that would otherwise crowd the layout.
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Humanoid Robot Actuators
The TMC6460 powers the BLDC actuators in humanoid robot joints where high torque density, smooth motion, and silent operation are required. Its hardware FOC delivers deterministic torque-loop timing critical for compliant control algorithms, while on-chip current sensing enables precise torque estimation for force-feedback control. The compact 38-pin TQFN (5x7 mm) package fits within the tight actuator housing envelopes typical of modern humanoid designs.
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Önerilen Ürünler Özeti
Mühendislik referans verileri: TMC6460 — karşılaştırma, tasarım rehberi ve uyumluluk bilgileri.
Seçim Kılavuzu
Alternatiflerle Karşılaştırma
| Parametre | Bu Ürün | TMC6460ATU+T | TMC4671 | TMC6300 |
|---|---|---|---|---|
| Brand | Analog Devices (Trinamic) | Analog Devices (Trinamic) | Analog Devices (Trinamic) | Analog Devices (Trinamic) |
| Package | 38-pin TQFN (5x7 mm) | 38-pin TQFN (5x7 mm) | QFN-40 (different pinout) | QFN-20 (different pinout) |
| Supply Voltage (max) | 36 V | 36 V | 3.3 V / 12 V (logic + driver supply) | 12 V / 24 V |
| Integrated FOC Controller | Yes (hardware) | Yes (hardware) | Yes (FOC controller only, no power stage) | No (6-step trapezoidal only) |
| Integrated Gate Drivers | Yes (drives external N-MOSFETs) | Yes (drives external N-MOSFETs) | No (requires external gate driver) | Yes (integrated FETs, low current) |
| Integrated Current Sensing | Yes (on-chip) | Yes (on-chip) | Yes (on-chip ADC for shunt input) | No (no current sense) |
| Host Interfaces | I2C, SPI, UART | I2C, SPI, UART | SPI, UART | SPI |
| Encoder Feedback | Yes (encoder + Hall) | Yes (encoder + Hall) | Yes (encoder + Hall) | No (sensorless back-EMF only) |
Ana Farklılayıcılar
- Hardware FOC engine on-chip - eliminates external DSP/MCU FOC firmware (karşılaştırma:TI DRV8353 + C2000 MCU)
- Integrated current sensing - no external shunt resistors required (karşılaştırma:TI DRV8353RS)
- Multi-protocol host interface - I2C, SPI, and UART in one chip (karşılaştırma:TMC4671 (FOC controller only))
Tasarım Notları
The TMC6460 drives external N-MOSFETs but does not include them on-chip. Choose MOSFETs whose Qg (gate charge) is within the TMC6460's gate-driver sink/source capability, or switching edges will slow and efficiency will degrade. For a 36V/10A application, MOSFETs with Qg under 50 nC are typically a safe starting point. Always verify the bootstrap capacitor values match the chosen FET's gate-charge requirements to prevent high-side drive dropout at high PWM duty cycles.
While the TMC6460 itself dissipates modest power (no power FETs on-chip), the external MOSFETs dominate the thermal budget. Estimated: at 36V/10A conduction loss with 30 milliohm RDS(on) FETs, dissipation is 6W on each half-bridge; six FETs total 36W. Mount the FETs on at least 2 square inches of copper pour per phase. The TQFN-38 exposed pad must be soldered to a continuous ground copper plane for heat spreading.
Place the external bootstrap capacitors as close as possible to the TMC6460 BST pins, with traces short and direct to the high-side FET source. Keep the motor phase traces (U/V/W) away from the encoder signals to avoid capacitive coupling that will inject torque ripple. Use a 4-layer PCB with a dedicated ground plane for the power stage; the TQFN-38 thermal pad requires vias in array to the internal ground plane for thermal performance.
The 38-pin TQFN (5x7 mm) package has a small pitch that requires careful PCB layout. Use 0.1 mm trace/space rules with microvias-in-pad for the central exposed pad. Keep the analog ground (AGND) and power ground (PGND) domains separated, joining them only at the TMC6460 ground pins to avoid ground bounce through the current-sense path.
Uyumluluk Bilgisi
RoHS and lead-free compliance confirmed from Analog Devices product page. AEC-Q100 not applicable (industrial/consumer motor control). REACH compliance standard for ADI Trinamic products.
