SY55859LMG

Series:	SuperLite™
Packaging:	Tube
Part Status:	Active
Type:	Crosspoint Switch
Circuit:	2 x 2:2
Independent Circuits:	2
Current - Output High, Low:	--
Voltage Supply Source:	Single Supply
Voltage - Supply:	3 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	32-VFQFN Exposed Pad, 32-MLF®
Supplier Device Package:	32-MLF® (5x5)
Base Part Number:	55859

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Overview

The SY55859LMG is an integrated Logic-Signal Switches, Multiplexers, Decoders, IC that has been designed to offer an internal voltage and current level switching capability in an optimized, cost-effective package. It offers an input low-voltage, low-power and logic-controlled switching solution suitable for cost-sensitive applications in the home, office and industrial environments.

Features

The SY55859LMG has various features that are tailored to include a wide range of voltage and current level configuration options. It also has integrated thermal protection, low-voltage, current operation up to 800 mA and over-load protection for a safe and reliable operation. The SY55859LMG can switch up to eight channels, which can be divided in groups of four for parallel operation.

Applications

The flexibility of the SY55859LMG allows it to be used in a range of applications. These include industrial and audio/visual, automotive, white goods and lighting systems. Additionally, the IC can also be used in home appliances, hand-held devices such as mobile phones, gaming consoles and other consumer products. Its low-power operation makes it suitable for battery-powered applications as well.

SY55859LMG Working Principle

The SY55859LMG is capable of switching between voltages, currents, and logic levels using its on-chip logic control, which is triggered by input signals. The control logic is based on the non-overlapping nature of the switching signals and is supported by an on-chip hysteretic comparator. The comparator allows the voltage and current level to be detected and then software, hardware or manual adjustment of switching thresholds can be made. By adjusting the thresholds levels, the current and voltage range for each of the eight channels can be configurable.When the input voltage or current exceeds the defined threshold levels, the on-chip logic is triggered. This will then latch the logic control signals and activate the switching FETs to switch between the two channels. The internal circuit will remain latched until the current or voltage decreases below the threshold level, or a manual reset signal is sent.

Specifications

The SY55859LMG has a wide range of specifications, which include:• Voltage/Current Level: 0.8 V to 5.5 V/800 mA• Logic Controls: Input Signals, Software or Manual• Channels: up to 8• Manufacturer: NXP Semiconductors• Package: TSSOP-16• Operating Temperature: -40°C to 85°C

Conclusion

The SY55859LMG is a highly integrated IC designed for switching between voltage and current levels for multiple channels. By being able to configure the thresholds for each channel, it can be used for various applications such as consumer electronics, home appliances and automotive applications. It is also suitable for low-power applications due to its low-voltage, low-power characteristics.

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