6004C View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

6004C

±1 °C accurate, SMBus-compatible, 8-pin, remote/local digital temperature sensor

Philips Electronics 

Philips Semiconductors

±1 °C accurate, SMBus-compatible, 8-pin, remote/local

digital temperature sensor with over temperature alarms

Product data sheet

SA56004X

GENERAL DESCRIPTION

The Philips SA56004X is an SMBus compatible, 11-bit remote/local

digital temperature sensor with over temperature alarms. The

remote channel of the SA56004 monitors a diode junction, such as a

substrate PNP of a microprocessor or a diode connected transistor

such as the 2N3904 (NPN) or 2N3906 (PNP). With factory trimming,

remote sensor accuracy of ±1°C is achieved.

Under and over temperature alert thresholds can be programmed to

cause the ALERT output to indicate when the on-chip or remote

temperature is out of range. This output may be used as a system

interrupt or SMBus alert. The T_CRIT output is activated when the

on-chip or remote temperature measurement rises above the

programmed T_CRIT threshold register value. This output may be

used to activate a cooling fan, send a warning or trigger a system

shutdown. To further enhance system reliability, the SA56004X

employs an SMBus time-out protocol. The SA56004X has a unique

device architecture which is patented (U.S. patent #6542020).

The SA56004X is available in the SO8 and TSSOP8 packages.

SA56004X has 8 factory-programmed, device address options.

The SA56004X is pin-compatible with the LM86, MAX6657/8, and

ADM1032.

Patents

Notice is herewith given that the subject device uses one or more of

the following patents and that each of these patents may have

corresponding patents in other jurisdictions:

Patent No. US 6,542,020 B2 — owned by Koninklijke Philips

Electronics N.V., Eindhoven (NL).

FEATURES

• Accurately senses temperature of remote microprocessor thermal

diodes or diode connected transistors within ±1 °C

• On-chip local temperature sensing

• 11-bit, 0.125 °C resolution

• 8 different device addresses are available for server applications.

The SA56004ED/EDP with marking code 56004E/600E is

address compatible with the National LM86, the MAX6657/8 and

the ADM1032.

• Offset registers available for adjusting the remote temperature

accuracy

• Programmable under/overtemperature alarms: ALERT and T_CRIT

• SMBus 2.0 compatible interface, supports TIMEOUT

• Operating voltage range: 3.0 V to 3.6 V

SO8

TSSOP8

• I2C-bus standard and fast mode compatible

• TSSOP8 and SO8 packages

• Programmable conversion rate (0.0625 Hz to 26 Hz)

• Undervoltage lockout prevents erroneous temperature readings

• Latch-up testing is done to JESDEC Standard JESD78 which

exceeds 100 mA

APPLICATIONS

• System thermal management in laptops, desktops, servers and

workstations

• Computers and office electronic equipment

• Electronic test equipment & instrumentation

• HVAC

• Industrial controllers and embedded systems

2004 Oct 06

2

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