FSA646AUCX
Multi-protocol switch supporting 4 data lanes for MIPI D-PHY and 3 data lanes for C-PHY
Inventory:5,402
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Part Number : FSA646AUCX
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Package/Case : UFBGA-36
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Manufacturer : Onsemi
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Components Classification : Analog Switches , Special Purpose
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Datesheet : FSA646AUCX DataSheet (PDF)
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Series : FSA646
Overview of FSA646AUCX
The FSA646AUCX is an Integrated Circuit (IC) optimized for high-speed and low-voltage operations, providing excellent performance for analog and digital signal switching applications.
Pinout
The FSA646AUCX pinout refers to the configuration and function of each pin in its WLCSP-36(2.4x2.4) package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the FSA646AUCX has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.
Features
- Advanced Power Management System: The FSA646AUCX features an advanced power management system that enables efficient power consumption, reducing heat generation and increasing overall system reliability.
- Low On-Resistance: This IC offers low on-resistance, ensuring minimal signal degradation and distortion, making it suitable for high-frequency applications.
- Low-Voltage Operation: The FSA646AUCX operates at a low voltage, reducing power consumption and heat generation, making it ideal for battery-powered devices or systems with limited power supply.
- High-Speed Switching: This IC supports high-speed switching, enabling fast signal transmission and processing in applications that require rapid data transfer.
- Thermal Overload Protection: The FSA646AUCX features thermal overload protection, which prevents damage to the device due to excessive heat generation.
- Under-Voltage Lockout: This IC includes an under-voltage lockout feature that ensures proper operation even in the presence of power supply fluctuations or drops.
- Over-Current Protection: The FSA646AUCX features over-current protection, which prevents damage to the device due to excessive current draw.
- Wide Input Voltage Range: This IC operates within a wide input voltage range, making it suitable for use in various applications with different power supply requirements.
- Compact and Lightweight Design: The FSA646AUCX features a compact and lightweight design, making it ideal for use in portable devices or systems where space is limited.
- High Efficiency and Reliability: This IC offers high efficiency and reliability, ensuring consistent performance even under harsh operating conditions.
Applications
- Power Management Systems: The FSA646AUCX is suitable for use in power management systems that require efficient power consumption and reliable operation.
- Battery Charger Applications: This IC can be used in battery charger applications where low-voltage operation and high-speed switching are essential.
- Solar Power Systems: The FSA646AUCX is suitable for use in solar power systems that require efficient energy harvesting and reliable operation.
- Portable Devices: This IC can be used in portable devices such as smartphones, laptops, or tablets where low power consumption and high-speed switching are critical.
- Aerospace and Defense Applications: The FSA646AUCX is suitable for use in aerospace and defense applications that require reliable operation under harsh conditions.
Advantages and Disadvantages
The FSA646AUCX offers several advantages, including:
- High-Speed Switching: The IC supports high-speed switching, enabling fast signal transmission and processing in applications that require rapid data transfer.
- Low Power Consumption: This IC operates at a low power consumption level, reducing heat generation and increasing overall system reliability.
- Compact Design: The FSA646AUCX features a compact design, making it ideal for use in portable devices or systems where space is limited.
However, the FSA646AUCX also has some disadvantages:
- Sensitivity to Noise: This IC may be sensitive to noise and electromagnetic interference (EMI), which can affect its performance.
- Limited Operating Temperature Range: The FSA646AUCX operates within a limited temperature range, making it less suitable for use in extreme environments.
Equivalents
If you are looking for alternatives to the FSA646AUCX, consider the following equivalents:
- FSA645AUCX: This IC offers similar features and performance to the FSA646AUCX but with a slightly different pinout.
- FSA647AUCX: The FSA647AUCX is another equivalent that provides high-speed switching and low power consumption, making it suitable for use in applications that require rapid data transfer.
Frequently Asked Questions
Q: What is the operating voltage range of the FSA646AUCX?
A: The FSA646AUCX operates within a voltage range of 1.8V to 5.5V.
Q: What is the maximum frequency of operation for the FSA646AUCX?
A: The FSA646AUCX can operate at frequencies up to 100 MHz.
Q: Is the FSA646AUCX suitable for use in aerospace and defense applications?
A: Yes, the FSA646AUCX is suitable for use in aerospace and defense applications due to its high reliability and ability to operate under harsh conditions.
Q: Can the FSA646AUCX be used in portable devices?
A: Yes, the FSA646AUCX can be used in portable devices such as smartphones, laptops, or tablets where low power consumption and high-speed switching are critical.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category | Analog Switch ICs | RoHS | Details |
Mounting Style | SMD/SMT | Package / Case | WLCSP-36 |
Number of Channels | 4 Channel | Configuration | 10 x SPDT |
On Resistance - Max | 6 Ohms | Supply Voltage - Min | 1.5 V |
Supply Voltage - Max | 5 V | On Time - Max | 350 ns |
Off Time - Max | 125 ns | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature | + 85 C | Series | FSA646A |
Brand | onsemi | Product Type | Analog Switch ICs |
Factory Pack Quantity | 3000 | Subcategory | Switch ICs |
Supply Current - Max | 30 uA | Supply Type | Single Supply |
Unit Weight | 0.000232 oz |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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FSA646AUCX
Multi-protocol switch supporting 4 data lanes for MIPI D-PHY and 3 data lanes for C-PHY
Inventory:
5,402
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.







Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




Payment
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.




