L9333MD-TR

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Power management integrated circuits (PMICs) are the heart of electronic systems that enable longer battery life, better performance and higher user convenience. PMICs provide a wide range of technology choices for a variety of markets including consumer, wearables, healthcare, industrial, communications and automotive. The L9333MD-TR is a power control IC from ST Microelectronics, which falls under the category of Power Distribution Switches, Load Drivers.The L9333MD-TR is a low-power power switch and load driver IC for application in portables, handsets, wearables and automotive electronics. It operates with a wide range of single power supply voltages, ranging between 3.0V and 5.5V. It is an ideal solution if one has to reduce current consumption and achieve a high power saving; up to 98% in idle applications.
The L9333MD-TR provides three low RON and logic-controlled outputs, which provide 8A maximum current. It is available in a PowerCSP FLGA 16 lead package, which is 1.6mm wide and 0.5mm in height, making it an ideal solution for many small and medium form factor applications. There are two types of outputs, which are open drain and power MOSFET outputs. Each output has its own enable and no-connect pin for each output, and two inrush current limit pins, which can be programmed with external resistors. The IC also has two buck converters, which provide adjustable output voltage and maximum switching frequency of 500 KHz.The device is suitable for a variety of applications and is able to provide power supply for a variety of circuits such as camera, LCD display and other peripherals, as well as power from an external battery. It is an ideal solution for applications such as wearables, smart phones and tablets.The working principle of the L9333MD-TR is relatively simple. A logic enabled digital signal at the input switches the power MOSFETs, which are responsible for delivering power to the output. The IC also has voltage and current monitoring, which helps to adjust and limit the power supply voltage and current consumption. In addition, the output power MOSFETs can be programmed to provide a pre-determined output voltage, current and time.In summary, the L9333MD-TR is a power control IC from ST Microelectronics, which falls under the category of Power Distribution Switches, Load Drivers. It provides three low RON and logic controlled outputs with 8A maximum current, and is suitable for a variety of applications across the range of consumer, wearables, healthcare, industrial, communications and automotive. Its working principle is to use a logic enabled digital signal at the device\'s input, which in turn switch the power MOSFETs responsible for supplying power to the outputs. Its voltage and current monitoring functions help to adjust and limit the power supply voltage and current consumption accordingly.

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