Camera Zoom Motor driven by the MC34933EP - Low Voltage H=Bridge Motor Driver

[#1]

Take a look at this demo using FRDM-KL25Z board with KIT34933EPEVBE evaluation board integrated with a LabView graphical user interface to show how NXP's low-voltage H-bridge motor driver (MC34933EP) is driving the zoom motor within a digital camera.

Features

• Fully integrated driver
• Small package for portable applications
• Built-In 2-Channel H-Bridge Driver
• H-Bridge Operation Voltage 2.0V~7.0V
• Output Current 1.0A @TA=25°C
• Low Total RDS(ON) 0.8Ω (Typ), 1.0Ω (Max) @ TA=25 °C
• Dual Channel Parallel Driver, RDS(ON) 0.4Ω (Typ). Max DC Current 1.4A
• PWM Control Input Frequency up to 200 kHz
• Built-In Shoot-Through Current Prevention Circuit
• Built-In Charge Pump Circuit (External Cap type)
• VCC Low Voltage Detection for logic power supply voltage
• Thermal Detection for H-Bridge driver
• This product is included in NXP’s Product Longevity Program, with assured supply for a minimum of 10 years after launch

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