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Rainbow Electronics MAX3301E User Manual

Max3301e usb on-the-go transceiver and charge pump, General description, Applications

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General Description

The MAX3301E fully integrated USB On-the-Go (OTG)
transceiver and charge pump allows mobile devices
such as PDAs, cellular phones, and digital cameras to
interface directly with USB peripherals and each other
without the need of a host PC. Use the MAX3301E with
an embedded USB host to directly connect to peripher-
als such as printers or external hard drives.

The MAX3301E integrates a USB OTG transceiver, a
V

BUS

charge pump, a linear regulator, and an I

2

C™-

compatible, 2-wire serial interface. An internal level
shifter allows the MAX3301E to interface with logic sup-
ply voltages from +1.65V to +3.6V. The MAX3301E’s
OTG-compliant charge pump operates with +3V to
+4.5V input supply voltages, and supplies an OTG-com-
patible output on V

BUS

while sourcing more than 8mA of

output current.

The MAX3301E enables USB OTG communication from
highly integrated digital devices that cannot supply or tol-
erate the +5V V

BUS

levels that USB OTG requires. The

device supports USB OTG session-request protocol
(SRP) and host-negotiation protocol (HNP) by controlling
and measuring V

BUS

using internal comparators.

The MAX3301E provides built-in ±15kV electrostatic-
discharge (ESD) protection for the V

BUS

, ID_IN, D+,

and D- terminals. The MAX3301E is available in 5 x 5
chip-scale (UCSP™) and 32-pin (5mm x 5mm x 0.8mm)
thin QFN packages and operates over the extended
-40

°C to +85°C temperature range.

Applications

Mobile Phones

PDAs

Digital Cameras

MP3 Players

Photo Printers

Features

USB 2.0-Compliant Full-/Low-Speed OTG

Transceivers

Ideal for USB On-the-Go, Embedded Host, or

Peripheral Devices

±15kV ESD Protection on ID_IN, V

BUS

, D+, and D-

Terminals

Charge Pumps for V

BUS

Signaling and Operation

Down to 3V

Internal V

BUS

and ID Comparators

Internal Switchable Pullup and Pulldown

Resistors for Host/Peripheral Functionality

I

2

C Bus Interface with Command and Status

Registers

Linear Regulator Powers Internal Circuitry and

D+/D- Pullup Resistors

Supports Car Kit Interrupts and Audio-Mode

Operation

Supports SRP and HNP
Low-Power Shutdown Mode
Available in 32-Pin Thin QFN and 5 x 5 UCSP

Packages

MAX3301E

USB On-the-Go Transceiver and Charge Pump

________________________________________________________________ Maxim Integrated Products

1

Ordering Information

19-3275; Rev 1; 10/04

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

PART

TEMP

RANGE

PIN-
PACKAGE

PKG.

CODE

MAX3301EETJ

-40°C to +85°C

32 Thin
QFN-EP*

T3255-4

MAX3301EEBA-T

-40°C to +85°C

5 x 5 UCSP

B25-1

Purchase of I

2

C components from Maxim Integrated Products,

Inc. or one of its sublicensed Associated Companies, conveys a
license under the Philips I

2

C Patent Rights to use these compo-

nents in an I

2

C system, provided that the system conforms to the

I

2

C Standard Specification as defined by Philips.

UCSP is a trademark of Maxim Integrated Products, Inc.

Typical Operating Circuit and Pin Configurations appear at
end of data sheet.

*EP = Exposed paddle.
**Requires solder temperature profile described in the Absolute
Maximum Ratings section. UCSP reliability is integrally linked to
the user’s assembly methods, circuit board material, and environ-
ment. See the UCSP Reliability Notice in the UCSP Applications
Information section of this data sheet for more information.