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MAX14581EWC-T

Description
USB Interface IC 3/5 Wire Full Speed USB Trnsvr
Categorysemiconductor    Analog mixed-signal IC   
File Size1MB,21 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX14581EWC-T Overview

USB Interface IC 3/5 Wire Full Speed USB Trnsvr

MAX14581EWC-T Parametric

Parameter NameAttribute value
Product CategoryUSB Interface IC
ManufacturerMaxim
RoHSDetails
TypeTransceiver
StandardUSB 1.1
SpeedFull-Speed
Data Rate12 Mb/s
PackagingReel
Factory Pack Quantity2500
19-6390; Rev 0; 6/12
MAX14581/MAX14582
Industry’s Smallest and Lowest (V
L
) Full-Speed
USB Transceivers, with Low VIO 3/5-Wire Interface
General Description
The MAX14581/MAX14582 USB-compliant transceivers
are designed to minimize the area and external compo-
nents required to interface low-voltage ASICs to USB.
These devices comply with USB 2.0 specification for full-
speed-only (12Mbps) operation. The transceivers include
an internal 3.3V regulator, an internal 1.5kI D+ pullup
resistor, and built-in ±15kV ESD HBM protection circuitry
to protect the USB I/O ports (D+, D-). The MAX14581/
MAX14582 also have internal series resistors, allowing the
devices to be wired directly to a USB connector.
These devices operate with logic-supply voltages as low
as +1.2V, ensuring compatibility with low-voltage ASICs.
A low-power disable mode reduces current consumption
to typically less than 13FA (typ) from V
BUS
. An enumerate
function controls the D+ pullup resistor, allowing devices
to logically disconnect while remaining plugged in.
The devices have 36I (typ) internal series resistors
on D+/D- for direct connection to the USB connector.
These devices can be used as either peripheral or host
(FS) USB transceivers. As a host USB transceiver, the
MAX14581/MAX14582 require external 15kI pulldown
resistors and driving ENUM logic-low.
The MAX14581 (3-wire) is equipped with DAT and SE0
interface signals. The transceiver provides a USB detec-
tion function that monitors the presence of USB V
BUS
and
signals the event by means of a BD pin.
The MAX14582 (5-wire) is equipped with VP, VM, and
RCV interface signals. The detection of V
BUS
in the
MAX14582 is encoded as VP = VM = logic-high.
These devices operate over the extended -40NC to
+85NC temperature range and are available in 12-bump
WLP packages.
Benefits and Features
S
Provide Flexible USB Transceiver Design
Supports 3-Wire Interface (MAX14581)
Supports 5-Wire Interface (MAX14582)
USB 2.0 (Full-Speed, 12Mbps)-Compliant
Transceiver
+1.2V to +3.6V Interface Voltage (VL)
Enumeration Input Controls D+ Pullup Resistor
13µA (typ) Current in Disable Mode
S
Minimize PCB Area
Internal Pullup Resistor on D+
Internal Series Resistors
S
Additional Protection Features Increase System
Reliability
Low Output Capacitance for Easy Connection to
an External USB HS Transceiver in Parallel
No Power-Supply Sequencing Required
Ability to Accept D+/D- Voltages Up to 3.6V with
V
BUS
= 0V
28V-Tolerant V
BUS
Pin
Bus Detect (BD) Pin for the V
BUS
Detection
(MAX14581 Only)
High-ESD Protection on D+/D- and V
BUS
±15kV HBM
Typical Application Circuits
SYSTEM
VOLTAGE SUPPLY
V
L
0.1FF
BD
DAT
SE0
OE
ENUM
SUS
MAX14581
V
TRM
1FF
D+
D-
V
BUS
1FF
SYSTEM
INTERFACE
Applications
Smart Phones
Tablets
Portable Media Players
ebook Readers
SYSTEM
INTERFACE
SYSTEM
VOLTAGE SUPPLY
USB
CONNECTOR
GND
V
L
0.1FF
RCV
VP
VM
OE
ENUM
SUS
MAX14582
V
BUS
1FF
V
TRM
1FF
D+
D-
Ordering Information
and
USB Inter-Chip Typical
Application Circuits
appear at end of data sheet.
USB
CONNECTOR
GND
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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