USA: Texas Instruments Inc. (TI) expanded its sensorless, brushless DC (BLDC) motor driver portfolio with a new device designed for high efficiency and low noise, which requires a low external component count of only one capacitor.
The DRV10963 is a 5-V, 3-phase sensorless BLDC motor driver that simplifies layout and reduces board space by 80 percent, allowing designers to create smaller, sleeker, more innovative designs. It includes integrated commutation logic, which enables instant motor spin with no code development, while its 180-degree pure sinusoidal outputs provide an efficient and quiet drive.
Key features and benefits of the DRV10963:
Extended battery life: Low operating range of 5.5 to 2.1 V, low RDSON of less than 1.5 ohm and ultra-low sleep currents extend battery life up to 25 percent compared to nearest competition in fans and portable, battery-powered personal health care and grooming devices, including electric razors and toothbrushes. It provides the lowest quiescent current to further extend battery life – 15 uA compared to 30 uA for the closest competitor.
Low power: Utilizes a 16-bit, ultra-low power MSP430G2452 Value Line microcontroller with built-in timers, up to 16 I/O touch-sense enabled pins, built-in communication and a versatile analog comparator, allowing wake-up from low-power mode to active mode in less than 1 µs.
Accelerated time to market: Integrated commutation logic eliminates code development, while advanced on-chip protection reduces design complexity and improves system reliability. This cutts development time from months to minutes.
Reduced board space and ease of use: Single-chip solution slashes board space by 80 percent compared other discrete solutions, and integrated power MOSFETs simplify layout.
Efficient and quiet drive: Pure sinusoidal outputs provide efficiency and noise-free operation.
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