MIC2202-1.8BML-TR

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The MIC2202-1.8BML-TR is a monolithic step-down switching regulator that can be used to generate reliable, low-noise and stable output power from very wide input voltage. This PMIC provides a high switching frequency up to 2.6MHz and an integrated high-side and low-side MOSFET driver providing a synchronizing signal. It also features an integrated switching current sense amplifier and a low-ripple current mode control.

This DC DC switching regulator features a wide input voltage range of 4.5V to 56V, allowing it to be used in a wide range of applications including: power management in motor control systems, motor driver circuits, battery charging, automotive applications, solar power systems, and industrial systems.

This device operates in a pulsed current mode and is designed for applications with a minimum load of 40mA. The duty cycle of operation is set with an external resistor and is capable of providing a maximum output current of 1.8A. Furthermore, the MIC2202-1.8BML-TR supports an input voltage range of 4.5V to 56V and thereby provides an output range of 1.2V to 7V.

In terms of its working principle, MIC2202-1.8BML-TR utilizes current mode PWM control method and synchronized rectification technique. Its switch node control, which is enforced by a control loop created by a current sensing amplifier and a comparator, helps guarantee a wide output voltage range and fast transient response time. Its built-in MOSFET and inductor driver supports synchronous rectification and helps reduce the power loss and save power. Additionally, its slew rate control helps reduce the EMI noise, optimizing the working environment.

Apart from its performance features, MIC2202-1.8BML-TR features protection features for over-current, over-temperature, and short-circuit conditions. It also provides system enabling programs that integrate a fault detection circuit, a power good signal, and a soft start or latch-off control. All of this provides hardware redundancy that helps improve the robustness and dependability of the power management system.

In conclusion, MIC2202-1.8BML-TR is a highly-integrated monolithic high-performance DC DC switching regulator that can be used in a wide range of applications requiring high-efficiency, high-frequency and low-noise power supply. It has protective features for short-circuit, over-current, and over-temperature conditions that help improve the reliability of power management systems. Additionally, its wide input voltage range, high switching frequency and low-ripple current mode control ensure that it can provide reliable, low-noise and stable output power from very wide input voltage.

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