HFBR-2522Z Detai LED explanation of pin function specifications and circuit principle instructions

The part number HFBR-2522Z corresponds to an optocoupler device, and it is part of the Broadcom (previously Avago Technologies) product family. This particular model is a high-speed optocoupler, often used in applications requiring isolation and signal transmission in industrial and telecommunications systems.

For the HFBR-2522Z model, its package is typically a 4-pin (or 6-pin, depending on the exact package variant) dual in-line package (DIP) or surface-mount (SMD) package.

Below is a detai LED breakdown of the pinout and its functions, as well as FAQs about the device.

Pin Function Table (4-Pin Version)

Pin Number Pin Name Pin Function Pin 1 Anode (A) Optical Input (Anode of LED) – This is the positive terminal of the internal LED. Current flows from this pin to Pin 2 (cathode) when the LED is forward biased. Pin 2 Cathode (K) Optical Input (Cathode of LED) – This is the negative terminal of the internal LED. The LED will emit light when current flows from Pin 1 (anode) to Pin 2 (cathode). Pin 3 Emitter (E) Optical Output (Collector of Photo transistor ) – This pin is connected to the emitter of the phototransistor inside the optocoupler. It serves as the output side where the optically transmitted signal is received. Pin 4 Collector (C) Optical Output (Base of Phototransistor) – This pin is connected to the collector of the phototransistor inside the optocoupler. It is used to create an output signal when the internal LED is activated.

Pin Function Table (6-Pin Version)

Pin Number Pin Name Pin Function Pin 1 Anode (A) Optical Input (Anode of LED) – This is the positive terminal of the internal LED. Pin 2 Cathode (K) Optical Input (Cathode of LED) – This is the negative terminal of the internal LED. Pin 3 Emitter (E) Optical Output (Collector of Phototransistor) – This pin is connected to the emitter of the phototransistor inside the optocoupler. Pin 4 Collector (C) Optical Output (Base of Phototransistor) – This pin is connected to the collector of the phototransistor inside the optocoupler. Pin 5 Vcc (Supply Voltage) Power Supply Pin – This pin is connected to the positive voltage source, typically around 5V. It powers the internal components of the optocoupler. Pin 6 Ground (GND) Ground Pin – This pin is connected to the ground or negative terminal of the power supply. It serves as the return path for current.

FAQs (Frequently Asked Questions)

What is the HFBR-2522Z used for? The HFBR-2522Z is an optocoupler used for signal isolation, typically in industrial and telecommunications systems. It isolates the control side from the power side while transmitting signals optically. What type of package does the HFBR-2522Z come in? The HFBR-2522Z typically comes in a 4-pin or 6-pin dual in-line package (DIP) or a surface-mount package (SMD). What is the maximum input current for the LED side of the HFBR-2522Z? The maximum input current for the LED side is typically around 50mA, but it is best to check the datasheet for the exact specifications. What is the voltage rating of the HFBR-2522Z? The voltage rating for the LED side is typically 1.4V, and the phototransistor side can handle voltages up to 30V or more depending on the application. What is the isolation voltage for the HFBR-2522Z? The HFBR-2522Z typically offers isolation up to 5,000V RMS, ensuring safety and reliable operation in high-voltage environments. What is the speed of the HFBR-2522Z optocoupler? The HFBR-2522Z is designed for high-speed data transmission, with a rise time typically around 10ns, making it suitable for high-frequency applications. Can the HFBR-2522Z be used for AC signal isolation? Yes, the HFBR-2522Z can be used for AC signal isolation. Its phototransistor output can respond to both AC and DC signals. What is the forward voltage of the LED inside the HFBR-2522Z? The forward voltage of the LED inside the HFBR-2522Z is typically around 1.2V to 1.4V when driven with a current of 20mA. How is the HFBR-2522Z different from other optocouplers? The HFBR-2522Z is optimized for high-speed data transmission and offers higher isolation voltage compared to many other optocouplers, making it suitable for industrial applications where speed and reliability are crucial.

What is the recommended operating temperature range for the HFBR-2522Z?

The recommended operating temperature range for the HFBR-2522Z is typically from -40°C to +85°C.

How do I connect the HFBR-2522Z in a circuit?

To use the HFBR-2522Z, connect the anode and cathode pins to the driving circuit (with the anode being positive), and the emitter and collector pins to the receiving circuit. Ensure proper biasing to allow for signal transmission.

Can the HFBR-2522Z be used in a high-frequency application?

Yes, the HFBR-2522Z is designed for high-speed applications, capable of handling frequencies up to several MHz, depending on the specific circuit design.

What is the current transfer ratio (CTR) of the HFBR-2522Z?

The current transfer ratio (CTR) of the HFBR-2522Z is typically around 100%, meaning that for each milliampere of input current, there will be a corresponding output current at the collector.

Can the HFBR-2522Z be used in power electronics?

Yes, the HFBR-2522Z is commonly used in power electronics for signal isolation in control circuits, ensuring safe operation when interfacing with high-voltage systems.

How do I calculate the current limiting resistor for the HFBR-2522Z?

The current limiting resistor can be calculated using Ohm’s law: ( R = \frac{V{supply} - Vf}{If} ), where (V{supply}) is the supply voltage, (Vf) is the forward voltage of the LED, and (If) is the desired current through the LED.

What is the power consumption of the HFBR-2522Z?

The power consumption depends on the current supplied to the LED. Typically, the power consumption is low, in the range of a few milliwatts when the device is operating normally.

Can I use the HFBR-2522Z in a noisy environment?

Yes, the HFBR-2522Z is designed for industrial applications and offers good noise immunity due to its optical isolation properties.

Can the HFBR-2522Z be used for DC signals?

Yes, it can transmit both AC and DC signals, making it versatile for different types of applications.

What is the breakdown voltage of the HFBR-2522Z?

The breakdown voltage of the phototransistor side of the HFBR-2522Z is typically around 30V.

How do I ensure the reliability of the HFBR-2522Z in my circuit?

To ensure reliability, use appropriate current limiting resistors, avoid exceeding the maximum voltage ratings, and consider thermal management if the device will be operating at high speeds or with high currents.

These detailed pin functions and FAQs provide an in-depth understanding of the HFBR-2522Z optocoupler, its uses, and how to properly integrate it into a circuit for your applications.