USB7252C
4-Port USB 3.2 Gen 2 Type-C Controller Hub
®
• Supports battery charging of most popular battery
powered devices on all ports
Highlights
• 4-Port USB Smart Hub with:
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USB-IF Battery Charging rev. 1.2 support
(DCP, CDP, SDP)
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USB Gen 2 Type-B® on upstream port
Native USB Gen 2 Type-C with Power Delivery PD
support on downstream ports 1 and 2®One Stan-
dard USB 3.2 Gen 2 downstream port
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Apple® portable product charger emulation
Chinese YD/T 1591-2006/2009 charger emulation
European Union universal mobile charger support
Supports additional portable devices
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One Standard USB 2.0 downstream port
- Internal Hub Feature Controller enables:
- USB to I2C/SPI/UART/I2S/GPIO bridge endpoint-
support
• On-chip Microcontroller
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manages I/Os, VBUS, and other signals
• 96kB RAM, 256kB ROM
- USB to internal hub register write and read
• USB Link Power Management (LPM) support
• 8kB One-Time-Programmable (OTP) ROM
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Includes on-chip charge pump
• Programming of firmware image to external SPI
memory device from USB host
• Configuration programming via OTP Memory, SPI
external memory, or SMBus
• USB-IF Battery Charger revision 1.2 support on
downstream ports (DCP, CDP, SDP)
• FlexConnect
• Enhanced OEM configuration options available
through either OTP or external SPI memory
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The roles of the upstream and all downstream
ports are reversible on command
• Multi-Host Endpoint Reflector
• Available in 100-pin (12mm x 12mm) VQFN
RoHS compliant package
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Integrated host-controller endpoint reflector via
CDC/NCM device class for automotive applications
• Commercial and industrial grade temperature
support
• USB Bridging
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USB to I2C, SPI, UART, I2S, and GPIO
Target Applications
• Standalone USB Hubs
• Laptop Docks
• PC Motherboards
• PC Monitor Docks
• PortSwap
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Configurable USB 2.0 differential pair signal swap
• PHYBoost
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Programmable USB transceiver drive strength for
recovering signal integrity
• Multi-function USB 3.2 Gen 2 Peripherals
• VariSense
Key Benefits
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Programmable USB receive sensitivity
• PortSplit
• USB 3.2 Gen 2 compliant 10 Gbps, 5 Gbps,
480 Mbps, 12 Mbps, and 1.5Mbps operation
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USB 2.0 and USB 3.2 Gen 2 port operation can be
split for custom applications using embedded USB
3.x devices in parallel with USB 2.0 devices
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5V tolerant USB 2.0 pins
1.21V tolerant USB 3.2 Gen 2 pins
Integrated termination and pull-up/down resistors
• Compatible with Microsoft Windows 10, 8, 7, XP,
Apple OS X 10.4+, and Linux hub drivers
• Native USB Type-C Support
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Type-C CC Pin with integrated Rp and Rd resistors
Integrated multiplexer on USB Type-C enabled
ports. USB 3.2 Gen 2 PHYs are disabled until a
valid Type-C attach is detected, saving idle power.
• Optimized for low-power operation and low ther-
mal dissipation
• 100-pin VQFN package (12mm x 12mm)
Control for external VCONN supply
* USB Type-C® and USB-C® are registered trademarks of USB Implement-
ers Forum
2021 Microchip Technology Inc.
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