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LIMCHIP CO., LIMITED
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RFQ ListingPower Management ICs
An external-MOSFET stepper motor driver that trades an on-chip power stage for programmable gate-drive strength, letting designers pair it with FETs sized well beyond fixed silicon limits. StealthChop2 keeps the axis silent at idle speeds while SpreadCycle and StallGuard2 take over under dynamic, sensorless-stall-aware loads.
ManufacturerAnalog Devices
PackageTQFP-EP48 (7×7 mm body, 9×9 mm over leads)
SeriesTMC2160A
Power IC Specifications
| Parameter | Value / Specification |
|---|---|
| Function / Topology | External-MOSFET 2-phase stepper motor driver with SPI and STEP/DIR control, 256 µSteps, MicroPlyer interpolation |
| Input Voltage | 8 V to 60 V motor supply range |
| Output Current | External N-FET output current from 1 A up to several 10 A coil current; low-side gate drive 200/400/600 mA and high-side 150/300/450 mA at DRVSTRENGTH 0/2/3 |
| Package / Case | TQFP-EP48 (7×7 mm body, 9×9 mm over leads) |
| Microstepping | Up to 256 microsteps per full step with MicroPlyer interpolation |
| Control Interface | SPI and STEP/DIR |
| Motion Features | StealthChop2, SpreadCycle, StallGuard2, CoolStep, DcStep, passive braking/freewheeling |
| Operating Temperature | -40°C to +125°C (junction) |
Power Features & Applications
- External N-FET gate driver with programmable DRVSTRENGTH removes fixed on-chip current limits for coil currents from 1 A up to several 10 A
- 256 microsteps per full step with MicroPlyer step interpolation for smooth low-vibration motion
- StealthChop2 silent chopper and SpreadCycle high-dynamic chopper in one control scheme
- StallGuard2 sensorless stall detection and CoolStep load-adaptive current cut power and wiring
- SPI and STEP/DIR interfaces fit both register-controlled and legacy step-pulse hosts
- Full protection and diagnostics with -40°C to +125°C junction rating for industrial axes
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Frequently Asked Questions
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