MAX3355E Maxim Integrated Products, MAX3355E Datasheet

MAX3355E

Manufacturer Part Number

MAX3355E

Description

15kV ESD-Protected USB On-the-Go Charge Pump and Comparators

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX3355E.pdf (11 pages)

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The MAX3355E integrates a charge pump and com-

parators to enable a system with an integrated USB on-

the-go (OTG) dual-role transceiver to function as a USB

OTG dual-role device. USB OTG facilitates the direct

connection of peripherals and mobile devices such as

PDAs, cellular phones, MP3 players, and digital cam-

eras to one another without a host PC.

The MAX3355E’s internal charge pump supplies V

power and signaling that is required by the transceiver as

defined in On-the-Go Supplement to the USB 2.0

Specification, Revision 1.0. The MAX3355E features ID

detection and internal comparators for monitoring

ation for the USB according to the session request pro-

tocol (SRP) and host negotiation protocol (HNP).

The MAX3355E operates with logic supply voltages

voltage ASICs. The device also features a logic-selec-

table 1µA shutdown mode.

The MAX3355E has built-in ±15kV ESD-protection cir-

cuitry to protect the V

available in a miniature 4 x 3 chip-scale package

(UCSP), as well as a 14-pin TSSOP package, and is

specified for operation over the -40°C to +85°C extended

temperature range.

19-2844; Rev 1; 8/03

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.

BUS

) as low as 1.65V, ensuring compatibility with low-

Cell Phones

PDAs

. The V

LOGIC SUPPLY

+1.65V TO V

BUS

DUAL-ROLE

status outputs are used during negoti-

________________________________________________________________ Maxim Integrated Products

ASIC

Charge Pump and Comparators in UCSP

BUS

General Description

XCVR

USB

and ID_IN pins. The device is

±15kV ESD-Protected USB On-the-Go

OFFVBUS

SHDN

STATUS1

STATUS2

ID_OUT

MP3 Players

Digital Cameras

Applications

MAX3355E

SHIFTER

LEVEL

ON/OFF

BUS

STATUS1

STATUS2

5V AT 8mA

CHARGE

PUMP

C+

o Guaranteed 8mA (min) V

o ±15kV ESD Protection on V

o Up to +6.0V Backdrive Capability for V

o +2.6V to +5.5V Operating Voltage Range

o V

o Guaranteed V

o Automatic C

o Comparators for Host Negotiation Protocol

o ID_IN Detection

o Available in 4 x 3 UCSP or 14-Pin TSSOP Package

Pin Configurations appear at end of data sheet.

MAX3355EEBC-T

MAX3355EEUD

Driven

C-

Operates Down to +1.65V

COMPARATORS

PART

ESD

CURRENT

BUS

SOURCE

LOAD

BUS

-40°C to +85°C

TEMP RANGE

Detection

Input Impedance When Not

40kΩ TO

Ordering Information

100kΩ

Functional Diagram

ESD

BUS

Charge-Pump Output

GND

ID_IN

BUS

PIN-

PACKAGE

4 x 3 UCSP

14 TSSOP

and ID_IN

Features

BUS

GND

D+

D-

BUS

MARK

TOP

ABE

—

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