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Analog ICs
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KA44370A is a gate driver IC for driving single-phase motors. The output stage, which can directly drive an external power MOSFET at 48V, is assembled in a small 4mm x 4mm QFN package, making it possible to mount the IC on a small motor despite the 48V requirement. The motor current waveform can be selected from a sinusoidal or a trapezoidal wave, which is generated by our unique Auto Phase Control technology, achieving low power consumption, low vibration and high airflow with high-speed rotation. A2PRaS (Advanced Auto Phase & Rapid Softswitch) function is also installed which allows the setting of advanced phase in order to achieve even higher speed rotation. It provides optimal motor drive control for a variety of applications. Stable and reliable motor start-up is possible even in the case of mutual interference when multiple fan motors are used, or when reverse rotation takes place due to external airflow.
Specification
Data Sheet| Item | Performance characteristics |
|---|---|
| Sub-Family Description | Single-phase BLDC motor driver |
| Control Method | A2PRaS, PWM Sinusoidal control |
| Control interface | PWM/DC |
| Ron (Ohm) | Pre-Dr |
| Operating Voltage (V) | 12V / 24V / 48V |
|
Operating ambient temperature[min](°C) |
-40 |
|
Operating ambient temperature[max](°C) |
105 |
| Package | QFN32L 4x4mm Body Lead Pitch_0.4mm |
 |
Recommended Circuit
Support tool
| Evaluation Board | |
| KE-KA44370A - KA44370A single-phase PWM/VSP motor evaluaton board | |
|
The KE-KA44370A is an evaluation board (EVB) equipped with pre-driver KA44370A, and external MOSFET drivers. It is capable of driving a single-phase brushless DC (BLDC) motor with 1.3A Peak current in 48V DC rails or battery powered applications. This EVB can be used to verify the functionality of our original technology : Advanced Auto Phase & Rapid Softswitch (A2PRaS) installed in KA44370A. |
|
| Evaluation Board & Interface board | |
| KE-K44370USB - KA44370A single-phase PWM/VSP motor driver evaluation board & Interface board | |
|
The KE-K44370USB is an evaluation kit that unifies the evaluation board(KE-KA44370) with the interface board. It enables to set various parameters easily from PC, to support motor evaluation. |
|
We provide information, evaluation tools, etc. to support your design. Please feel free to contact us.
For more details And documents, please link To Nuvoton Official Website GO
-
| Quantity | Discount | You Save |
|---|
| Part No. | KA44370A-VB(T) |
| Dimension (length x width x thickness) (mm) | 4.0 x 4.0 x 0.75 |
| IC/Device Package | QFN 24L |
