| Allicdata Part #: | SY88822VKI-ND |
| Manufacturer Part#: |
SY88822VKI |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Microchip Technology |
| Short Description: | IC LASR DRVR 155MBPS 5.5V 10MSOP |
| More Detail: | Laser Driver IC 155Mbps 1 Channel 3 V ~ 3.6 V, 4.5... |
| DataSheet: |  SY88822VKI Datasheet/PDF |
| Quantity: | 1000 |
| Lead Free Status / RoHS Status: | Contains lead / RoHS non-compliant |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Specifications
| Series: | -- |
| Packaging: | Tube |
| Lead Free Status / RoHS Status: | -- |
| Part Status: | Discontinued at Digi-Key |
| Moisture Sensitivity Level (MSL): | -- |
| Type: | Laser Diode Driver (Fiber Optic) |
| Data Rate: | 155Mbps |
| Number of Channels: | 1 |
| Voltage - Supply: | 3 V ~ 3.6 V, 4.5 V ~ 5.5 V |
| Current - Supply: | 25mA |
| Current - Modulation: | 30mA |
| Operating Temperature: | -40°C ~ 85°C |
| Package / Case: | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package: | 10-MSOP |
| Mounting Type: | Surface Mount |
| Base Part Number: | SY88822 |
Description
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SY88822VKI is a Power Management Integrated Circuit (PMIC) specifically designed for laser drivers. It is used in applications such as industrial instruments, consumer products, medical devices and automotive systems. The main purpose of this PMIC is to drive and regulate current pulses to the laser diode, providing optimal performance. This article will cover the application field and working principle of SY88822VKI.
Application Field
SY88822VKI is a high performance PMIC used in various applications. Its main purpose is to provide accurate laser diode drives for industrial instruments, consumer products, medical devices and automotive systems. It provides adjustable current levels, allowing the user to tailor the pulses to their application’s requirements. In addition, this part has Class B EMC performance, making it well suited for applications with stringent EMC regulations. Furthermore, its low-noise operation enables its use in portable systems, such as medical instruments. It is also suitable for applications with limited space, thanks to its small size.
Working Principle
The working principle of SY88822VKI is based on a buck-boost DC-DC converter. This non-synchronous converter is able to transfer energy from the input to the output with a wide input voltage range of 4.75V~30V. It also has high efficiency, low output ripple, and fast transient response. The SY88822VKI includes an adjustable current (AC) pulse controller, allowing the user to adjust the levels of current pulses to suit their application. This allows for very precise control of laser diode current and improved LED efficiency. In addition, the PMIC includes a digital interface, allowing the user to access various parameters, such as voltage, current, and feedback control, from the host processor.
The SY88822VKI supports two modes of operation: an automatic mode and a manual mode. In the automatic mode, the SY88822VKI automatically adjusts the output current depending on the input voltage. This allows the PMIC to be used in applications that require automatic adjustment of the laser diode current. In the manual mode, the user can adjust the output current using the digital interface, allowing for more precise control of laser diode current and improved LED efficiency. Furthermore, the SY88822VKI features overvoltage, overcurrent, and undervoltage protection for enhanced system safety.
Overall, the SY88822VKI is an ideal choice for a wide range of applications. This PMIC is suitable for those applications that require accurate laser diode drives and precise control over current pulses with low noise. Its small size, low-noise operation, and wide input voltage range make it well suited for a variety of applications. In addition, the adjustable current pulses and digital interface allow for enhanced system performance and user flexibility. With all these features, coupled with its excellent performance, the SY88822VKI is sure to meet the needs of a variety of applications.
The specific data is subject to PDF, and the above content is for reference
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