L9903

The L9903 is a micro-power, intelligent motor driver IC that can drive a wide variety of motors in automotive, consumer and commercial applications. It is a highly-integrated power management IC (PMIC) that combines motor drive capability with a wide range of other features and functions.

The L9903 is a quad, bidirectional, step-down, high-side current driver, capable of providing up to 7A per channel. It combines two halves of H-bridges, with each bridge being capable of driving a separate motor. Additionally, it contains four independent pulse width modulator (PWM) drive channels and an integrated microcontroller to provide an intelligent motor interface to the host application.

The L9903 provides two H-bridge output channels, each of which is capable of driving its own motor. The dual-H-bridge architecture provides a wide variety of motor control options. For example, it can support independent control of differential motor pairs, as well as motor reversal via swapping of the motor leads.

The L9903 is a fully-featured PMIC that includes a range of features and functions to help reduce overall system costs and complexity. For example, it includes an integrated system monitoring and diagnostics system to enable better fault diagnosis and response. Additionally, it offers integrated pulse-width modulation (PWM) control for motor speed and direction control, as well as integrated protection features such as over-current protection, thermal protection and short-circuit protection.

The L9903 also offers a range of additional features designed to make it more efficient and reliable. For example, it offers advanced power sharing capabilities, allowing multiple motors to be driven simultaneously without compromising performance. Additionally, it supports adaptive current control, which can optimize the power consumption according to the load conditions.

Overall, the L9903 is a highly integrated PMIC that offers a wide range of features and functions designed to minimize system cost and complexity. It is an ideal solution for a wide range of motors in automotive, consumer and commercial applications.