BU4217FVE-TR

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Power management integrated circuits (PMICs) are an important element of design systems. They are used to control the flow of power to different components in a system, including microprocessors, memory and peripherals. PMICs can reduce the power consumption of a system, improve the performance of a system and increase the reliability of a system.

A PMIC is typically composed of multiple power management blocks and on-chip system supervision circuitry. Supervisors are one of the key components of a power management system. The supervisor chips provide power-on reset, watch-dog timer, system reset, power-good signal, register initialization, and over-voltage and under-voltage protection.

BU4217FVE-TR is a voltage detector with a wide operating voltage range from 2.4V to 5.5V, ideal for supervisory applications in applications that require precision voltage monitoring. BU4217FVE-TR can detect inputs with an accuracy of ±0.5V for voltage up to 5.5V and ±1.5V for voltage up to 2.4V.

BU4217FVE-TR is a single-channel reset IC and it is suitable for use in systems that need over-voltage (OV) and under-voltage (UV) protection, such as PC and printer systems, HDD systems, servers, etc. The integrated circuit can generate reset signals in response to input voltage levels. The device has a low supply current with a wide operating range and a wide temperature range, making it suitable for various system power supply design.

The BU4217FVE-TR includes two voltage comparison circuits and a reset circuit. The two comparators are used to detect the level of the input voltage and generate an output signal when the voltage exceeds the predetermined voltage level (OV or UV). The reset circuit then generates the reset signal when the voltage exceeds the predetermined level.

The BU4217FVE-TR can be configured for active high or active low reset. The reset time can be programmed by external capacitors. Also, the device has a power-on reset function that initializes the system and ensures that all registers are initialized correctly upon system startup.

The BU4217FVE-TR also provides the flexibility to set the reset threshold and delay times to suit different application needs. The reset threshold voltage can be adjusted via external resistors and the reset delay time is programmable via external capacitors.

The BU4217FVE-TR is available in a 6-pin SOT-23 package and can operate over a wide temperature range from -25°C to 85°C. The device is ideal for use in space-constrained applications, such as PC and printer systems, HDD systems, servers, etc. The device is lead-free and RoHS-compliant.

In conclusion, the BU4217FVE-TR can provide high accuracy and precision for voltage supervision applications. It offers a wide operating range, low supply current and fast response times, making it suitable for a wide range of power supply designs. The device is also RoHS-compliant and lead-free.

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