GL3523-OTY3C QFN-76 USB 3.1 Gen 1集线器控制器

GL3523-OTY3C GENERAL DESCRIPTION

Genesys GL3523 is a 4-port, low-power, and configurable hub controller. It is compliant with the USB 3.1 specification. GL3523 integrates Genesys Logic self-developed USB 3.1 Gen 1 Super Speed transmitter/receiver physical layer (PHY) and USB 2.0 High-Speed PHY. It supports Super Speed, Hi-Speed, and Full-Speed USB connections and is fully backward compatible to all USB 2.0 and USB 1.1 hosts. GL3523 also implements multiple TT* (Note1) architecture providing dedicated TT* to each downstream (DS) port, which guarantees Full-Speed(FS) data passing bandwidth when multiple FS devices perform heavy loading operations. Furthermore, GL3523 has built-in 5V to 3.3V and 5V to 1.2V regulators, which saves customers’ BOM cost, and eases for PCB design.

GL3523 features the native fast-charging and complies with USB-IF battery charging specification rev1.2, it could fast-charge Apple, Samsung Galaxy devices, and any device complaint with BC1.2/1.1. It also allows portable devices to draw up to 1.5A from GL3523 charging downstream ports (CDP1) or dedicated charging port (DCP2). It can enable systems to fast charge handheld devices even during “Sleep” and “Power-off” modes.

*Note: TT (transaction translator) implements the control logic defined in Section 11.14 ~ 11.22 of USB specification revision 2.0. TT basically handles the unbalanced traffic speed between the USPORT (operating in HS) and DSPORTS (operating in FS/LS) of hub.

GL3523-OTY3C Applications

Standalone USB hub/Docking station

Tablet/Ultrabook/NB

Motherboard

Monitor built-in hub, GPIOs can be programmed as I2C interface to easily update scalar firmware through USB interface

TV built-in hub

Compound device, such as hub-reader application

USB wall charger

Other consumer electronics

Customized applications

• Dynamically disable/enable ports

• GPIO signaling of ambient light sensor or rotation/position sensor

GL3523-OTY3C规格书

科瑞芯电子秉持[追求品质、专*业诚信、持续创*新]的理念，为客户提供工业标品质、低成*本的半导体件，提供专*业技术支援及完*整的解决方案。持续追求、不断创*新以及提供更佳更广的准、高服务，协助客户及厂商提高竞争能力，致力于成为电子半导体通路商之一。

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