GN1412-INE3 Integrated Circuits (ICs)

Series:	--
Packaging:	--
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Laser Diode Driver
Data Rate:	11.3Gbps
Voltage - Supply:	3.3V
Current - Modulation:	--
Operating Temperature:	--
Supplier Device Package:	32-QFN (5x5)
Mounting Type:	Surface Mount

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Introduction

GN1412-INE3 is a Power Management Integrated Circuit (PMIC) designed for laser drivers. It seeks to provide an efficient, cost-effective solution for driving laser diodes in consumer electronics, automobiles and other applications. This PMIC is built using advanced low-voltage growth CMOS technology and is made up of a power management block, resistors and capacitors.

Features

GN1412-INE3 has an exceptionally wide operating voltage range of 1.5V to 5.5V and provides a high-voltage output. It comprises of an on-chip light-emitting diode (LED) driver and a variable oscillator that facilitates control of the current regulated output.

Advantages

The main advantages of GN1412-INE3 are its high-voltage output, wide operating voltage range, uniform light output, adjustable current and its easy programmability. Additionally, this PMIC provides excellent temperature stability, current stability, and high efficiency for laser driving. It also features a low temperature coefficient which ensures good stability of the operating parameters even at high temperatures.

Application Field

GN1412-INE3 is mainly used in consumer electronics and automobile applications. It is often applied in mobile phone cameras, high-definition TVs and digital cameras to improve image quality, enhance contrast and optimize image resolution. It is also used to generate and control laser beams for CD players and CD/DVD readers. In automobiles, this PMIC is utilized in rear-view cameras to provide clearer images for parking and reverse driving.

Working Principle

The working principle of GN1412-INE3 is based on the principle of energy conservation. It utilizes a feedback control circuit to adjust the quantity of output current and to maintain the output voltage in± 5%. The PWM voltage-controlled oscillator (VCO) and the feedback circuit automatically adjust the output current to the desired value. The PWM VCO also ensures that the output current remains uniform and the output voltage remains constant. The output current is adjusted in steps of 0.05A.The output voltage is sent to the base of the transistor via a resistive voltage divider. The output current is then adjusted by monitoring the pulse width of the PWM VCO. The optocoupler circuit ensures isolation between the control circuit and the output power.

Conclusion

The GN1412-INE3 is a PMIC designed for laser drivers. A wide operating voltage range, adjustable current, simple programming, excellent temperature stability and good efficiency make it an ideal choice for automotive, consumer electronics and other applications. Moreover, its feedback control circuit and optocoupler circuit ensure stable and safe operation.

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