SKU: 79755269935

TRINAMIC TMC249A-SA Stepper Motor Driver, 3V to 5.5V supply, 34V/50 mA/8 Outputs, SOIC-28

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Description

TRINAMIC TMC249A-SA Stepper Motor Driver, 3V to 5.5V supply, 34V/50 mA/8 Outputs, SOIC-28The TMC249A SA is a smart high current Micro Stepping Driver for bi polar stepper motors. The integrated unique sensorless stall detection stallGuard makes it a good choice for applications, where a reference point is needed, but where a switch cannot be used. The ability to predict an overload makes this an optimum choice for drives, where a high reliability is desired. It provides an SPI interface as well as the classical analogue digital control. A

The TMC249A-SA is a smart high current Micro Stepping Driver for bi-polar stepper motors. The integrated unique sensorless stall detection stallGuard� makes it a good choice for applications, where a reference point is needed, but where a switch cannot be used. The ability to predict an overload makes this an optimum choice for drives, where a high reliability is desired. It provides an SPI� interface as well as the classical analogue/digital control. A full set of protection and diagnostic features makes this device very rugged. It directly drives external MOSFETs for currents up to 6A. This way it reaches an extremely high efficiency and allows driving of a high motor current without cooling measures even at high environment temperatures. The high motor current makes this device ideal for miniaturized highly dynamic and high torque drive systems.
  • SPI interface
  • Stepper supported motor

Applications

Motor Drive & Control

Product details

Motor Type Stepper
Operating Temperature Min -40�C
Output Current 50mA
No. of Outputs 8Outputs
Driver Case Style SOIC
Operating Temperature Max 125�C
No. of Pins 28Pins
Output Voltage 34V
Product Range -
Automotive Qualification Standard -
Supply Voltage Min 3V
Packaging Each
Supply Voltage Max 5.5V
MSL MSL 2 - 1 year

Other details

Brand TRINAMIC
Part Number TMC249A-SA
Quantity Each
Technical Data Sheet EN

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SKU: 79755269935

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4.1 ★★★★★
Based on 28 reviews
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A
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ashley
Lexington, US
★★★★★ 1
doesnt work
did not come with the required pieces to funtion correctly...and their support was even more lacking. 0/10 would not recommend. i did eventually get my money back after weeks of fighting with amazon...will never do bussiness with kemimoto again
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Reviewed in the United States on September 18, 2025
A
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Amazon Customer
Phoenix, US
★★★★★ 5
Easy install
🔥🔥🔥
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Reviewed in the United States on August 20, 2025
J
Verified Purchase
Jose
Bozeman, US
★★★★★ 5
Great quality
Perfect
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Reviewed in the United States on February 3, 2025
M
Verified Purchase
Michael
Lake Worth, US
★★★★★ 5
Easy install
Color: Single Slat Gloss Black, Size: 2012-2018 F30, Color: Single Slat Gloss Black, Size: 2012-2018 F30
Fixed my busted grille and gave the car a newer look. 2014 320i
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Reviewed in the United States on May 2, 2026
S
Verified Purchase
Sal
Port Orchard, US
★★★★★ 5
Direct Fit and good quality
Color: Single Slat Gloss Black, Size: 2002-2005 E46
For anyone that has owned an E46 knows that even the stock kidney grills are brittle plastic. This aftermarket is about the same quality as stock. It is a direct fit and has the clips where they are supposed to be to keep them in place. The look is also pretty nice. This one is all black and actually looks nice on my black E46. I would recommend especially for the price and shipping was fast.
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Reviewed in the United States on August 29, 2025

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