HCPL-1930#300 Isolators

Data Rate:	10Mbps
Supplier Device Package:	16-DIP Gull Wing
Package / Case:	16-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Voltage - Supply:	4.5 V ~ 5.5 V
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	--
Rise / Fall Time (Typ):	30ns, 24ns
Propagation Delay tpLH / tpHL (Max):	100ns, 100ns
Series:	--
Current - Output / Channel:	25mA
Output Type:	Open Collector, Schottky Clamped
Input Type:	DC
Common Mode Transient Immunity (Min):	1kV/µs
Voltage - Isolation:	1500VDC
Inputs - Side 1/Side 2:	2/0
Number of Channels:	2
Part Status:	Active
Packaging:	Tube

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Introduction

Optoisolators are semiconductor devices that transmit signals between electronics systems. Optoisolators are either optical or electronic signals, generally using light-emitting diodes (LEDs) as the signal source. This makes them particularly well-suited for isolating one section of a system from the other, which can help to protect sensitive circuitry from damage due to accidental shorts or spikes in voltage. One of the best-known applications of optoisolators is the use of logic output (HCPL-1930#300) to drive AC power relays.

What is HCPL-1930#300?

HCPL-1930#300 is a logic output optoisolator specifically designed to drive AC power relays. It uses an LED to provide an optical signal transmitted across an isolation barrier to a phototransistor. The phototransistor then acts as a switch, closing the circuit to activate the relay. The optoisolator offers a wide range of benefits, from high current responses (200mA), to high isolation voltage (7,500V AC), to short propagation delays (100ns max), to wide operating temperature ranges (-55°C to +125°C). It is also easy to use and cost effective, making it a popular choice for controlling AC applications.

Application Field and Working Principle

HCPL-1930#300 is ideal for driving high current accessories, such as DC motor starters, contactors, and solenoids. Its fast response time makes it well-suited for applications that require high speed actuation, such as security systems. Additionally, its wide operating temperature range and high isolation voltage make it suitable for applications in industrial automation, medical devices, and renewable energy.The working principle of HCPL-1930#300 is straightforward. An electrical signal, such as a TTL logic level, is applied to the LED of the optoisolator. This generates an optical signal, which is then transmitted across the isolation barrier to the phototransistor. The phototransistor is triggered when the light level reaches a certain threshold, completing the circuit and activating the relay.

Conclusion

HCPL-1930#300 offers a wide range of benefits for applications where AC power is required. It is easy to use, cost-effective, and offers a wide operating temperature range and high isolation voltage, making it suitable for use in industrial automation, medical devices, and renewable energy applications. Of course, it also has a fast response time, making it perfect for controlling high current applications where speed is paramount.

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