MIC803-30D4VM3-TR

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PMIC, which stands for Power Management Integrated Circuit, is becoming increasingly important in embedded designs.They are used to convert a single voltage input, usually from a battery, into multiple output voltages, while providing superior power sequencing and true, low-quiescent current. Given the wide range of PMICs available, it can be difficult to select the right one. The MIC803-30D4VM3-TR supervisory chip is a great example of a PMIC designed specifically to meet the requirements of embedded designs.

The MIC803-30D4VM3-TR supervisory chip is a configurable Single Channel Power System Supervisor that works as a safety switch in multiple configurations. It is customer programmable to monitor the power rail with an adjustable voltage threshold. This configurable power system supervisor eliminates the need for software based power management schemes and eases the design process of complex circuit implementations.

This PMIC can be applied in a broad range of settings, such as automotive systems, industrial automotive, power systems, fan motors, railroad applications, robotics, and digital audio systems. This device is ideal for battery-based designs as it works as a safety switch when power is applied or removed. It can also be used to detect a loss of power on an external power supply and switch to a backup power rail.

The MIC803-30D4VM3-TR has a standby current of just 5 µA, which allows it to remain permanently on, while still managing to keep power consumption low and enable regular maintenance. This chip is available in an industry standard SMD package, making it suitable for commercial, automotive, and industrial applications.

The MIC803-30D4VM3-TR is designed to save power in various power systems. It works as a safety switch, as it monitors various voltages, including a system supply (VCC) and a battery (Vbatt). It then switches to the backup power source when needed, so that it can provide maximum system efficiency and minimize power consumption. Through integrated state machine functions, it can be used for battery monitoring, power sequencing, and low quiescent current.

Moreover, it enables the easy and reliable detection of brown-out and power-fail conditions. This function is non-volatile and will always activate on power up. It also has an internal window watch-dog timer used to reset the system when memory corruption or processor lock-up is detected.

The MIC803-30D4VM3-TR supervisory chip is a great example of a PMIC designed specifically to meet the requirements of embedded designs. With its low power consumption and superior power sequencing, this PMIC can provide the efficient and reliable power management required for many of today’s embedded applications.

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