World's smallest 1.8A brushed DC motor driver
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TI's new low voltage DRV8837 is the world's smallest 1.8A brushed DC motor driver. The DRV8837 comes in a tiny, 2 x 2mm 8-pin WSON package, a 75% reduction in size versus the next nearest competitor, enabling smaller, sleeker designs. At 280mΩ, the RDS(ON) is half that of competition, supporting 1.8A continuous output current with excellent thermal performance. The small package size, low RDS(ON), and ultra-low 35nA sleep current make the DRV8837 ideal for battery-powered or low-voltage motion control applications.
Target applications for the DRV8837 include toys, electronic locks, smart meters (gas or water), cameras, and micro-printers.
- 1.8V to 11V operating range
- Split Vm/Vcc supplies isolates motor and logic supplies
- Up to 1.8A continuous / 1.8A peak output current
- 280mΩ RDS(ON) (HS + LS) extends battery life
- Ultra-low 35nA sleep current extends battery life
- Robust OCP, thermal, shoot-through, and UVLO protection
- Tiny 8-pin WSON (2.0 x 2.0 mm) package
- Easy-to-use evaluation module and design-in documentation
DRV8837 functional block diagram
DRV8837 extends battery life
Over 30% increase in motor run time
DRV8x low voltage product family:
In addition to the DRV8837, Texas Instruments offers a complete family of low voltage drivers that support both brushed DC and stepper motors. These drivers are optimized to support battery powered applications and feature small packages, low RDS(ON), low sleep current and robust on-chip protection circuits.
|DRV8830||1A Brushed DC Driver w/ Speed Regulation||2.75 to
|DRV8832||1A Brushed DC Driver w/ Speed Regulation||2.75 to
|DRV8833||4A Brushed DC or 2A Stepper Driver||2.7 to
|DRV8834||2.2A Stepper Driver w/ 1/32 Indexer||2.5 to
|DRV8835||3A Brushed DC or 1.5A Stepper Driver||2 to
|DRV8836||3A Brushed DC or 1.5A Stepper Driver||2 to
|DRV8837||1.8A Brushed DC Driver||1.8 to
Other DRV8x products
In addition to the products highlighted here, TI offers a wide range of integrated motor drivers and pre-drivers that support stepper, brushed, and brushless motors operating up to 60V / 60A.