TMP435

DXP

DXN

V+

1

10

9

4

5

3

2

SCL

SDA

THERM

+5V

SMBus

Controller

8

GND

ALERTTHERM2

/

7

6

OneChannelLocal

OneChannelRemote

TMP435

A1

A0

TMP435

www.ti.com

SBOS495A – MARCH 2010 – REVISED APRIL 2010

±1°C TEMPERATURE SENSOR with Series-R,

n-Factor, Automatic Beta Compensation and Programmable Addressing

Check for Samples: TMP435

1

FEATURES

DESCRIPTION

234

•

±1°C REMOTE DIODE SENSOR

The TMP435 is a remote temperature sensor monitor

with a built-in local temperature sensor. The remote

•

±1°C LOCAL TEMPERATURE SENSOR

temperature sensor diode-connected transistors are

•

AUTOMATIC BETA COMPENSATION

typically low-cost, NPN- or PNP-type transistors or

•

n-FACTOR CORRECTION

diodes that are an integral part of microcontrollers,

•

PROGRAMMABLE THRESHOLD LIMITS

microprocessors, or FPGAs.

•

TWO-WIRE/ SMBus™ SERIAL INTERFACE

Remote

accuracy

is

±1°C

for

multiple

IC

manufacturers, with no calibration needed. The

•

MINIMUM AND MAXIMUM TEMPERATURE

two-wire serial interface accepts SMBus write byte,

MONITORS

read byte, send byte, and receive byte commands to

•

MULTIPLE INTERFACE ADDRESSES

program

the

alarm

thresholds

and

to

read

•

ALERT/THERM2 PIN CONFIGURATION

temperature data.

•

DIODE FAULT DETECTION

The

TMP435

includes

beta

compensation

•

PIN-PROGRAMMABLE TWO-WIRE

(correction),

series

resistance

cancellation,

ADDRESSING

programmable

non-ideality

factor,

programmable

resolution, programmable threshold limits, minimum

and maximum temperature monitors, wide remote

APPLICATIONS

temperature measurement range (up to +150°C),

•

diode fault detection, a temperature alert function,

•

SERVERS

and pin-programmable two-wire addressing using

•

INDUSTRIAL CONTROLLERS

3-state logic.

•

CENTRAL OFFICE TELECOM EQUIPMENT

The TMP435 is available in an MSOP-10 package.

•

DESKTOP AND NOTEBOOK COMPUTERS

•

STORAGE AREA NETWORKS (SAN)

•

INDUSTRIAL AND MEDICAL EQUIPMENT

•

PROCESSOR/FPGA TEMPERATURE

MONITORING

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

DLP is a registered trademark of Texas Instruments.

3

SMBus is a trademark of Intel Corporation.

4

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2010, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.