MOTION C O N T R O L L E R I N T E G R A T E D C I R C U ITS TMC4 2 9 Three Axis universal motion controller f o r s t e p p e r m o t o r d r i v e rs M A IN CH A R AC T ER IS T IC S INFO per motor controller for up to three motors. It integrates all real •Minaturized low cost stepper motor controller for up to three independant axes time critical tasks in reliable, dedicated hardware: An integrated •Built in ramp generators motion ramp profile generator as well as an adaptable micro- •High-performance individual micro stepping (up to 64x) via built in sequencer The TMC429 is a miniaturized low cost, high performance step- step sequencer with microstep RAM table. Advanced stop- and •SPI™ host interface with easy-to-use protcol reference switch handling allows for precise and fast referencing •Step-/Direction or SPI™ driver interface as well as on-the-fly position checking. Automatic motor current •On-the-fly alteration of target motion parameters (e.g. position, velocity etc.) control gives high motor dynamics while saving energy. The interrupt output can generate precise position pulses. connects to the recent coolStep™ drivers (TMC260, TMC262 and •perfect fit for (2-phase drivers) TMC260, TMC262, TMC236, TMC246, TMC239, TMC249 and (3-phase drivers) TMC389 TMC389) via Step- & Direction signals (S/D) or to the classic •Fullstep frequencies up to 20 kHz TRINAMIC drivers TMC236, TMC239, TMC246 and TMC249 via •Read-out of driver status The TMC429 is fully downwards compatible to the TMC428 and SPI™. The communication with the host microcontroller is done INTERFACE •easy-to-use SPI™ (20bit) with an extra SPI™ interface. The host just needs to do highlevel control tasks, e.g. giving the command: Drive motor 2 to •Step & Direction outputs ELECTRICAL DATA •Power down mode (100 µA) •3.3V or 5V operation with CMOS/TTL compatible IOs position 1000. The TMC429 automatically calculates the motion ramp based on velocity and acceleration parameters. PACKAGE •QFN32 5x5 mm² chip size package •SSOP16 or SOP24 with full TMC428 compatibility •RoHS compliant ORDER CODE DESCRIPTION TMC429-I 3-axis controller SSOP16-package TMC429-PI24 3-axis controller SOP24-package TMC429-LI 3-axis controller QFN32-package www.trinamic.com – for detailed information and datasheets 1