NJW4814
Overview
The NJW4814 is a dual H-bridge driver with boost converter IC. It can boost the output voltage from Li-ion battery and/or a 5V power supply and drives a piezo device by two H- bridge drivers. 48ms of internal fixed soft start function of the boost circuit sets a limit to startup current.
- 7 to 5.5V 380k to 1MHz 48ms typ. Internal 2 Channel H-Bridge Each Channel Operates Individually Over Current Protection Operating Voltage Range Switching Frequency Output Shut Down Control Fault Indicator Output 300mA typ. 7.0 to 35V 300kHz max.
