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Home > Precision Analog > PWM Amplifiers > Demonstration Board for the SA57AHU
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DB74HU, Demonstration Board for the SA57AHU

More information

Stock
Out of stock
Delivery time
if not in stock: 12+ weeks
Part number
DB74HU
Manufacturer / supplier
Apex Microtechnology
Datasheet
View datasheet
€ 679.88 excl VAT

Product specifications

DB74HU - Demonstration Board for the SA57AHU

The DB74HU is designed to demonstrate the capabilities of the SA57 DC brush motor driver IC.
This fully assembled demonstration allows the user to directly control the speed and direction of the motor. An onboard circuit controls the direction and provides four quadrant PWM signals to control the power outputs of the SA57. LEDs provide visual feedback for motor control status and fault indications. Provisions on the DB74HU allow the user to bypass the onboard control circuit and directly interface with the SA57 motor driver.
The DB74HU demonstrates proper layout techniques for the SA57 high current switching amplifier. The economical construction uses only a two-sided PCB and allows the SA57 to deliver peak power of over 1kW.

THERMAL CONSIDERATIONS
The SA57 is available in a surface mount package which can deliver peak power of over 1kW. This presents an obvious and significant thermal challenge.
The DB74HU offers a compact design which can deliver 17A peak current and dissipate approximately 20W in still air at 25ºC ambient temperature. To use the DB74HU in higher power applications, use a fan or mount a heatsink with larger thermal mass. Although the SA57 is rated for operation from -25 to +85ºC, the other components on the DB74HU are limited to 0 to 70ºC ambient temperature.

- APEX Microtechnology product -

Related products

SA57AHU

IC switching amplifier 60V, 8A, PEAK 17A

€ 23.65

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