ISL8487EIBZ

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Transceiver
Protocol:	RS422, RS485
Number of Drivers/Receivers:	1/1
Duplex:	Half
Receiver Hysteresis:	70mV
Data Rate:	250kbps
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	ISL8487E

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ISL8487EIBZ Application Field and Working Principle

The ISL8487EIBZ is a highly integrated power management IC (PMIC) specifically designed for the industrial Internet of Things (IIoT) market. It is a highly flexible three-channel powerhouse that offers power, load switching, and fault protection in a single device. TheISL8487EIBZ is also capable of operating in a wide range of environments, ranging from extremely harsh industrial conditions to high-temperature automotive electronics.

Classification

The ISL8487EIBZ can be classified as belonging to the interface-drivers, receivers, and transceivers family of ICs. This means that these specific ICs are responsible for driving, receiving, and sending signals in order to interface with other devices or circuitry on the circuit board. This includes the following:

• Drivers – These are the components that convert the input for one electronic device into the output for another electronic device, such as a controller. They provide a “bridge” between the two parties, enabling them to communicate with each other.
• Receivers – These are the components that take the input from one electronic device and use it to communicate with another. The signal from the receiver will actuate the desired operation or execution. Examples of receivers include analog-to-digital or digital-to-analog converters.
• Transceivers – These are specialized ICs that can send and receive in both directions. They can be used to connect two parties, allowing each to send and receive data. Examples of transceivers are radio transceivers and optical transceivers.

Working Principle

The ISL8487EIBZ utilizes a variety of different technology elements to drive power, load switching, and fault protection operations in a single device. The core technologies used in the IC are voltage-mode control and load current monitoring. The IC features powerful load switching capabilities, allowing the device to switch loads at voltages up to 5V with current ratings up to 3.2A. The integrated fault protection components provide over-current, over-temperature, and over-voltage protection, helping to ensure reliable device operation and longevity.The ISL8487EIBZ also incorporates innovative technologies to improve power conversion efficiency and reduce system losses. The dual-mode power optimization features adjust the output voltage of the load to its optimal operating voltage and eliminates the need for external DC/DC converters, reducing system cost. Additionally, the integrated current-mode control reduces system costs by optimizing the voltage and current to the load for improved power efficiency.

Conclusion

The ISL8487EIBZ is a highly versatile and reliable IC from Intersil that provides power management, load switching, and fault protection for the industrial Internet of Things (IIoT) market. It is classified as belonging to the interface-drivers, receivers, and transceivers family of ICs, and offers highly efficient operations at voltages up to 5V with current ratings up to 3.2A. Its advanced technologies and built-in safety features make it ideal for both consumer and industrial applications. With its feature-rich design, the ISL8487EIBZ is the perfect solution for cost-sensitive applications.

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