Self-Adapting USB 2.0 Signal Conditioner IC from Diodes Incorporated Saves Power and Simplifies System Design
25 Abril 2024 - 9:14AM
Business Wire
Diodes Incorporated (Diodes) (Nasdaq: DIOD) today announces the
introduction of the PI5USB212, a USB 2.0 signal conditioner that
operates from a supply voltage down to 2.3V. Designed for use in
notebooks, PCs, docking stations, cable extenders, TVs, and
monitors, the PI5USB212 automatically detects a USB 2.0 high-speed
connection. It also preserves signal integrity when driving long
PCB traces or cables of up to 5 meters.
This IC symmetrically boosts the USB D+ and D– channels for
common-mode stability and applies pre-emphasis to compensate for
intersymbol interference (ISI). The wide supply voltage range
simplifies system design and extends the operating window of
portable and battery-powered equipment.
The device is configured using either I2C commands or pin
strapping, adjusting signal-boost and ISI-compensation levels. It
has two control pins (boost/SEN); pulling the boost pin down via
different resistors controls the AC gain/pre-emphasis levels. The
SEN pin selects high, low, or medium receiver sensitivity (DC gain)
to ensure optimum signal integrity, depending on channel
conditions. It automatically detects a low-speed (LS)
mode/full-speed (FS) connection to avoid applying signal
compensation when not needed.
The PI5USB212 is compatible with USB 2.0, OTG 2.0, and
battery-charging (BC) 1.2, and supports USB features including
device-attach and high-speed detection, as well as a 5.5V
tolerance. It automatically detects when no USB attachment is
present and saves energy by reducing its supply current to 0.7mA
(typical), and 13µA (typical) when disabled via the RSTN disable
pin.
The PI5USB212 is supplied in a 12-pin, 1.6mm x 1.6mm, quad flat
no-lead (QFN) package, and is available at $2.70 in 3,500-piece
quantities.
About Diodes Incorporated
Diodes Incorporated (Nasdaq: DIOD), a Standard and Poor’s
SmallCap 600 and Russell 3000 Index company, delivers high-quality
semiconductor products to the world’s leading companies in the
automotive, industrial, computing, consumer electronics, and
communications markets. We leverage our expanded product portfolio
of discrete, analog, and mixed-signal products and leading-edge
packaging technology to meet customers’ needs. Our broad range of
application-specific solutions and solutions-focused sales, coupled
with worldwide operations of 32 sites, including engineering,
testing, manufacturing, and customer service, enables us to be a
premier provider for high-volume, high-growth markets. For more
information visit www.diodes.com.
The Diodes logo is a registered trademark of Diodes Incorporated
in the United States and other countries.
All other trademarks are the property of their respective
owners.
© 2024 Diodes Incorporated. All Rights Reserved.
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Gurmeet Dhaliwal Director, Investor Relations & Corporate
Marketing Diodes Incorporated +1 408-232-9003 Contact Us
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