GN1412BINE3 Integrated Circuits (ICs)

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The GN1412BINE3 is a laser driver and an example of PMIC (power management integrated circuit). It is designed to provide constant current to laser diodes, photodiodes, and other similar optoelectronic components. It is highly efficient with a low profile and comes in small, low-cost packages.

The GN1412BINE3 is a 4-channel high current laser driver featuring four individually enabled power stages. It exhibits high efficiency with low heat dissipation, low thermal resistance, and a wide input voltage range. It has a fixed current output of ±330mA per channel, and is capable of supplying up to 1320mA of total current. The GN1412BINE3 also has built-in ESD protection for continuous operation and robustness in a harsh environment.

The GN1412BINE3 supports a wide range of control inputs, enabling up to 4 channels of control. It includes a serial bus master mode to control multiple channels simultaneously. It also has built-in compensation for temperature drift, enabling stable output current over a wide temperature range. Additionally, it has a low voltage protection feature that will turn off the output current when the input voltage drops to a certain level, protecting the device from damage.

The GN1412BINE3 uses a constant current drive circuit to regulate laser diode current. The four power stages provide constant current to each of the four outputs. The power stage can be enabled or disabled individually by the enable control on each channel. The enable signal is an active-low logic control that enable the power stage. This power stage can be operated in either a push-pull or single-ended configuration. The constant current output can be adjusted by adjusting an external resistor connected to the output node of each channel. This resistor is used to adjust the current from 0mA to the maximum output of each channel.

The GN1412BINE3 also includes over-current protection for all channels. This feature monitors the current flowing through the power stages and turns off the power stage if the current exceeds the pre-set threshold. This protection prevents output current overload and damage to the components.

Overall, the GN1412BINE3 is a reliable, high performance laser driver that is suitable for a variety of applications. It is well-suited for laser systems that require high-precision current control and protection. The wide input voltage range, low profile, and efficient operation make it an ideal choice for a variety of applications.

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