TPS3850G30DRCR

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Power management integrated circuits (PMICs) are used to manage the power supply of electronic systems. It includes multiple power regulators and other power components such as light emitting diode (LED) drivers and linear and switching regulators. An PMIC helps to maintain system performance, by providing monitoring, voltage or current control, or any combination of these functions.

The supervisory PMIC type provides with advanced system reset control, high-accuracy voltage monitoring, power-good output and comprehensive system supervision. An example of such device is the TPS3850G30DRCR. This device can be used to protect systems from a wide range of conditions such as brownout, power-on reset, UVLO, and voltage spikes.

The TPS3850G30DRCR is a single-output, simple reset IC. It provides system protection with a single reset output or two reset outputs. These outputs can be used to sequence reset controller farther downstream along the power rail.

The TPS3850G30DRCR contains two voltage supervisor circuits, each with a dedicated reference voltage, comparator, and timer. These provide reset outputs when the monitored voltage drops below the programmed trip point. This power supply reset (PSR) circuit of the device is compatible with 3.0V and provides a 0.8 μs reset response time. A power-good signal is also provided for monitoring the power supply for overvoltage and undervoltage conditions. This signal can be used to initiate a soft power-down.

The TPS3850G30DRCR also offers advanced features such as a window mode, power-on reset, selectable reset thresholds, and adjustable reset time-out. Window mode enables independent reset assertions for undervoltage and overvoltage detection, with independent window sizes. This improves the system switch from backup to normal power and allows for more efficient use of one reset output.

The power-on reset (POR) feature is also included, which is used to detect a momentary power interruption and assert a reset output. This signals power-on and ensures the device initialization following an unexpected power failure. The device is available in five operating voltage ranges and output configurations: 1V to 5.5V, active-high reset output; 1.2V to 5.5V, active-low reset output; 1.75V to 5.5V, active-low with active-high reset output; 1.8V to 5.5V, active-high with active-low reset output; and 1.8V to 5.5V, dual active-low/active-high reset output.

TPS3850G30DRCR is ideal for applications like embedded systems, communications systems, industrial controllers, motor control systems, ATM machines, and any other application where system reset and voltage monitoring are critical. It is well-suited for a wide range of commercial, industrial and automotive applications.

In conclusion, the TPS3850G30DRCR is an efficient power management integrated circuit for managing the power supply of an electronic system providing reset control, voltage monitoring, and power-good output. This device is well-suited for applications like industrial controllers, motor control systems and embedded systems.

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