LM3420M5-4.2

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The LM3420M5-4.2 is a PMIC (Power Management IC) meant for battery chargers. It contains a wide range of features - including power sequencing, voltage and current monitoring, brownout protection, over-voltage protection, over-temperature protection, and boost converter control - in an ultra-compact package. It is designed to meet the demanding needs of a variety of battery-charging applications, ranging from cell phones to small medical devices.

The LM3420M5-4.2 works by receiving an input voltage within a range of 3.3V to 12V, and then converting it to an output voltage at the battery level. Depending on the application, the output voltage can be set to a range between 0.98V and 4.2V. The LM3420M5-4.2 also features several safety features to protect the device from over-voltage and over-temperature conditions, as well as brownout protection to keep the device running in low-voltage conditions.

The most unique feature of the LM3420M5-4.2 is its programmable power sequencing capabilities. This allows you to set the preferred start-up sequence for battery-powered devices and helps ensure safe connecting and disconnecting of the devices to and from the power source. It also has an open-drain output with active low control, allowing the device to act as a supervisor by monitoring other circuitry or peripherals during the power-on or power-off sequence.

The LM3420M5-4.2 is also designed to minimize wasted energy by utilizing a zero-voltage soft-start to reduce inrush currents and optimize power efficiency. This allows the device to adjust the switch frequency on the fly, delivering the required output voltage in the most optimized and efficient way possible.

The LM3420M5-4.2 is ideal for battery-powered devices that require a high-performance and reliable power management solution. It offers significant energy savings and is highly efficient, making it a great choice for applications in the mobile, healthcare, industrial, and consumer markets.

The specific data is subject to PDF, and the above content is for reference