GL3522数据手册Genesys中文资料规格书

描述 Description

GL3522 is a 4-port, low-power, and configurable hub controller. It is compliant with the USB 3.1 Gen 1 specification. GL3522 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. GL3522 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, GL3522 has built-in 5V to 3.3V and 5V to 1.2V regulators, which saves customers’ BOM cost, and eases for PCB design.\r
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GL3522 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 GL3522 charging downstream ports (CDP ) or dedicated charging port (DCP ). It can enable systems to fast charge handheld devices even during “Sleep” and “Power-off” modes.\r
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*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.

特性 Features

• Compliant with USB Specification Revision 3.1 Gen 1\r
• Native 4-port fast-charging capability, supporting BC1.2, Apple, Samsung Galaxy Tabs\r
• On-chip 8-bit micro-processor\r
• Multiple Transaction Translator(TT) architecture\r
• Advanced power management and low power consumption\r
• Configurable settings by EEPROM/pin strapping/firmware\r
• Flexible design\r
• Integrated 5->1.2V and 5->3.3V regulator, saving BOM cost\r
• Available package type\r
- QFN 76 (9x9mm)