MANUFACTURER PART RECORDTMC2209-LA-T
Analog DevicesTMC2209-LA-T is a Trinamic (Analog Devices) two-phase stepper motor driver in QFN-28 (5 x 5 mm), tape-and-reel packing (T) — 4.75 V to 29 V motor supply, up to 1.4 A RMS continuous coil current (2 A RMS range with external sense resistors), stealthChop2 and spreadCycle chopper modes, up to 1/256 microstepping with interpolation, single-wire UART plus STEP/DIR control, stallGuard4 sensorless stall detection, coolStep adaptive current control, −40 to +125 °C. The combination of stealthChop2 and the UART interface is the selection point: near-silent motion plus full register-level tuning (current, microsteps, chopper mode, diagnostics) from the host controller, replacing the dip-switch guesswork of legacy drivers in 3D printers, automation axes and precision positioning. Selection advice: the LA code is the 5 x 5 mm QFN-28; the -T suffix is tape and reel. For standalone STEP/DIR boards pick the MS1/MS2 pin-strap microstep setting, or drive it from UART for the full feature set — note that 1.4 A RMS is the internal-sense ceiling, so above that you need external sense resistors (2 A RMS range). Trinamic/ADI lists TMC2209-LA-T as recommended for new designs. Evidence: TMC2209 datasheet (Rev. 1.09) and distributor listings confirm 4.75–29 V, 1.4 A RMS, stealthChop2, stallGuard4, QFN-28 and tape-and-reel packing. Match the full TMC2209-LA-T code. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.
Integrated CircuitsSilent stepper motor driverQFN-28