TMC454
ObsoleteTMC454
Part Details
- TMC454 software compatible - no need to change your existing TMC454 firmware
- parallel interface
- serial IIC bus interface
- RoHS conform compact 144 pin (1 mm) fine pitch BGA package of size 11 mm x 11 mm
- controls 2-,3-,and 5-phase stepper motors
- full step, half step, sine-step
- pulse generation from mHz to MHz
- S-shaped and linear ramp generation
- PID controller for holding the position
- relieves CPU from all time critical tasks
- synchronization of multiple TMC454
- incremental encoder interface (ABN)
- interrupt controller
- digital interface for external LTC1665 8-bit DACs (for emulation of former integrated TMC453 DACs)
- direct interface to TRINAMIC stepper motor drivers TMC236, TMC239, TMC246, TMC249
- StallGuardTM output when using TMC246 or TMC249 with sensorless stall detection
- interface for LTC1665 external low cost DAC for classical analog power stage control
- direct interface for TMC236 / TMC239 / TMC246 / TMC249
- StallGuardTM output (active low for reference input) when using TMC246 / TMC249
- PWM output for stepper motor driver current scaling (with an ext. RC low pass)
- power supply +3.3V IO and +1.5V core / low power operation: only 20 mA @ 16 MHz (typ.)
- operation with 3.3V CMOS compatible IOs
- control signal for 5V/3.3V level shifter (e.g. SN74LVC245)
- half clock output for micro controller (e.g. for AVR µC running @ 3.3V)
- commercial temperature range (0° ... +70°C)
The TMC454 is a high-end motor controller for all common 2-, 3-, and 5-phase stepper motors. It provides encoder feedback for high reliability or high position resolution drives. A large set of motion control features is included on this IC. The various function blocks are hardwired and „ready-to-use“. All processes can be serialized using the instruction based interface. A complete linear & S-shaped ramp generation unit is integrated within the TMC454. All dynamic parameters can be adjusted for a given application in a very broad range. The CPU is relieved from all time critical tasks like ramp calculation or microstep generation. Thus CPU and software engineer can focus on higher level motion control jobs. In many applications, the TMC454 reduces the time-to-market, and it saves costs for software development and hardware engineering. The TMC454 turns stepper motors into easy-to-use peripherals!
The TMC454 is upwards function compatible to its predecessor TMC453.
Documentation
Hardware Ecosystem
| Parts | Product Life Cycle | Description |
|---|---|---|
| Motion and Interface Controller 1 | ||
| TMC4361 | RECOMMENDED FOR NEW DESIGNS | S-shaped ramp and SixPoint ramp motion controller for stepper motors with SPI and Step/Dir interfaces, and an encoder interface for closed-loop operation |
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