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Small, efficient and reliable

The new full-bridge drivers from ADI Trinamic enable miniaturized DC motor drives with high efficiency.

The new MAX22201, MAX22202 & MAX22207 devices integrate a 36V, 3.5A peak full bridge that can drive one brushed DC motor. High efficiency is achieved by using very low impedance FETs with a typical on-resistance of 0.3 Ω (HS+LS). The peak current value of 3.5 A is limited by the overcurrent protection threshold. The peak current is defined as the maximum current the driver can provide for short transients. The maximum effective current is 2 A and is usually limited by thermal considerations. It is achieved on a standard JEDEC 4-layer board at 25°C ambient temperature. The real maximum operating current depends on the thermal characteristics of the application.

The MAX22201, MAX22202 & MAX22207 drivers feature a non-dissipative and accurate integrated current sensing and current drive regulation to monitor the current through the motor coil and limit peak output current.  When the motor current exceeds the current limit threshold, the full bridge enters a decay mode for a fixed off time.

 For brushed motor drive applications, the current drive regulation guarantees safe and reliable operation of the driver under normal conditions or during motor startup and stall conditions, and also reduces system power and supply bypassing requirements. A scaled copy of the internally sensed current is output to an external pin.

The three drivers MAX22201, MAX22202 & MAX22207 only differ in the control input and the off time. All versions feature overcurrent protection, thermal shutdown and undervoltage lockout, and fault output and are available in the tiny 3x3mm TDFN12 package. Evaluation boards are available for easy evaluation.

The small package, exceptionally high efficiency and integrated accurate current measurement make the MAX22201, MAX22202 & MAX22207 full bridges an excellent choice for space and performance critical applications.

Downloads & Links

MAX22201 + 02 + 07 datasheet (PDF)

ADI Trinamic DC-Motor Driver overview (PDF)

MAX22201 | MAX22202 | MAX22207

MAX22201-EVKIT | MAX22202-EVKIT | MAX22207-EVKIT

DC-Motor ICs


If you would like to know more about ADI Trinamic DC motor drivers, please contact:

Guido Gandolfo
Product Line Manager
Motion Control
+49 5424 2340-57

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