MAX14743
Over Voltage and Surge Protected Dual SPDT
Data Line Switch
Protect the data line from a high-voltage short or surge event
Description
The MAX14743/MAX14743A are 2 x SPDT switches with overvoltage protection
intended for use with portable devices. As the high-voltage charging solution starts to
spread out, a data line short event to the high-voltage VBUS can result in either charger
misdetection or permanent damage to the portable device. The MAX14743/MAX14743A
are designed to protect the downstream data line from a high-voltage short or surge
event.
The device combines low on-capacitance (CON) and low on-resistance (RON) necessary
for high-performance switching applications in portable electronics.The
MAX14743/MAX14743A feature internal positive overvoltage, negative overvoltage, and
surge protection. The devices handle USB low/full/high-speed signaling and operate
from a 2.7V to 5.5V supply.
The MAX14743/MAX14743A are available in a 12-bump (1.22mm x 1.62mm) waferlevel package (WLP) and operates over the -40°C to +85°C extended temperature
range.
Key Features
Distortion-Free, High-Speed Signaling
o Dual SPDT
o Signal Range: -1V to +3.5V
o RON: 5.5Ω (typ)
o CON: 4.5pF (typ)
o Bandwidth > 1GHz
Flexible System Design
o Separate Control for Each Switch Path
o Active Low EN to Save Supply Current
Active Low FLAG Signals Fault Event
12-Bump WLP (1.22mm x 1.62mm) Package
-40°C to +85°C Operating Temperature Range
Robust and Safety
o Positive Overvoltage Protection up to +12.5V
o Hot Plug-In Robustness: MAX14743A
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Applications/Uses
Phablets
Smartphones
Table
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to
change. Quantity pricing may vary substantially and international prices may differ due to local duties,
taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see
the price and availability page or contact an authorized distributor.
Device
Fab Process Technology Sample size Rejects FIT at 25°C
FIT at 55°C
Note : The failure rates are summarized by technology and mapped to the associated material
part numbers. The failure rates are highly dependent on the number of units tested.
https://www.maximintegrated.com/en/products/power/protection‐control/protection‐ics/MAX14743.html/tb_tab3 7‐12‐18
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