MC34933 Description
Freescale Semiconductor Technical Data Document Number: 3.0, 9/2014 1.4 A Dual H-Bridge Driver patible with 3.0 V Logic 34933 The 34933 is a two channel H-Bridge driver aimed at the digital camera market. There are a variety of applications containing bipolar step motors and/or brush DC motors, such as Auto Focus control for the digital camera lens.
MC34933 Key Features
- Built-in 2-channel H-Bridge driver
- 20 °C to 85 °C 16-UQFN
- H-Bridge operation voltage 2.0 V to 7.0 V
- Max. load output current 1.0 A at TA = 25 °C
- Low total RDS(ON) 0.8 (typ), 1.0 (max.) @ TA = 25 °C peak
- Dual channel parallel driver, RDS(ON) 0.4 (typ.). max. DC current 1.4 A
- 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
MC34933 Applications
- Built-in 2-channel H-Bridge driver
- 20 °C to 85 °C 16-UQFN
- H-Bridge operation voltage 2.0 V to 7.0 V