ADT7473 datasheet(62/76 Pages) AD

Part #	ADT7473

Description	dBCool Remote Thermal Monitor and Fan Controller

Download	76 Pages

Scroll/Zoom	100%

Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

Logo

62 / 76 page

ADT7473

Rev. A | Page 62 of 76

0x00)1

N

R/W

Descrip

Table 23. Register 0x36—Dynamic TMIN Control Register 1 (Power-On Default =

Bit

ame

tion

[0]

C

R

MSB of

(Reg. 0x

he control loop,

in terms

to

YR2

/W

3-bit remote 2 cycle value. The other two bits of the code reside in Dynamic TMIN Control Register 2

37). These three bits define the delay time between making subsequent TMIN adjustments in t

of the number of monitoring cycles. The system has associated thermal time constants that need to be

found

optimize the response of fans and the control loop.

[1]

VCCPLO

R/W

VCCPLO =

mit

value (R

s

• SMBAL

1. When the power is supplied from 3.3 V STANDBY and the core voltage (VCCP) drops below its VCCP low li

egister 0x46), the following occurs:

• Statu Bit 1 in Interrupt Status Register 1 is set.

ERT is generated, if enabled.

• PROCHOT monitoring is disabled.

ic T

control is disabled.

• Dynam

• The de

• Everyt

CCP

MIN

vice is prevented from entering shutdown.

hing is re-enabled once VCCP increases above the V

low limit.

[2]

P

R

PHTR1 =

HTR1

/W

1 copies the Remote 1 current temperature to the Remote 1 operating point register if THERM is asserted.

rating point contains the temperature at which THERM

The ope

is asserted, allowing the system to run as quietly as

possible

PHTR1 =

without affecting system performance.

0 ignores any THERM assertions on the THERM pin. The Remote 1 operating point register reflects its

programmed value.

[3]

PHTL

R/W

PHTL = 1 copies the local channel’s current temperature to the local operating point register if THERM is asserted. The

operating point contains the temperature at which THERM is ass

possible

ecting system performance.

erted. This allows the system to run as quietly as

without aff

PHTL = 0 ignores any THERM assertions on the THERM pin. The local temperature operating point register reflec

mmed value.

ts its

gra

pro

[4]

PHTR2

R2

R/W

PHT

= 1 copies the Remote 2 current temperature to the Remote 2 operating point register if THERM is asserted.

erating point contains the temperature at which

The op

THERM is asserted, allowing the system to run as quietly as

poss

PH

ible

TR2

without affecting system performance.

= 0 ignores any THERM assertions on the THERM pin. The Remote 2 operating point register reflects its

programmed value.

[5]

R1T

R/W

R1T =

MIN

=

in

an Speed C

1 enables dynamic TMIN control on the Remote 1 temperature channel. The chosen T

value is dynamically

adjusted based on the cur

R1T

rent temperature, operating point, and high and low limits for this zone.

0 disables dynamic TMIN control. The TMIN value chosen is not adjusted, and the channel behaves as described

the F

ontrol section.

[6]

LT

R/W

LT=1 e

based

LT = 0

ibed in

the Fan Speed Control section.

nables dynamic TMIN control on the local temperature channel. The chosen TMIN value is dynamically adjusted

on the current temperature, operating point, and high and low limits for this zone.

disables dynamic TMIN control. The TMIN value chosen is not adjusted, and the channel behaves as descr

[7]

R2T

R/W

R2T = 1 enables dynamic TMIN control on the Remote 2 temperat

adjusted based on the current temperature, operating point, an

ure channel. The chosen TMIN value is dynamically

d high and low limits for this zone.

an

R2T = 0 d

the F

isables dynamic TMIN control. The TMIN value chosen is not adjusted and the channel behaves as described in

Speed Control section.

s re

co

w

1 Thi

gister be

mes read-only

hen the Configuration Register 1 lock bit is set to 1. Any subsequent attempts to write to this register fail.

Similar Part No. - ADT7473

Manufacturer	Part #	Datasheet	Description
ON Semiconductor	ADT7473	1Mb / 74P	dbCOOL Remote Thermal Monitor and Fan Control October, 2011 ??Rev. 7
	ADT7473	1Mb / 74P	dBCOOL Remote Thermal Monitor and Fan Control April, 2009 ??Rev. 6
	ADT7473	627Kb / 73P	Remote Thermal Monitor and Fan Control April, 2015 ??Rev. 10
	ADT7473ARQZ	1Mb / 74P	dBCOOL Remote Thermal Monitor and Fan Control April, 2009 ??Rev. 6
	ADT7473ARQZ-001	1Mb / 74P	dBCOOL Remote Thermal Monitor and Fan Control April, 2009 ??Rev. 6

More results

Similar Description - ADT7473

Manufacturer	Part #	Datasheet	Description
Analog Devices	ADT7467	1Mb / 80P	dBCool Remote Thermal Monitor and Fan Controller REV. 0
ON Semiconductor	ADT7475_1110	639Kb / 58P	dbCOOL Remote Thermal Monitor and Fan Controller October, 2011 ??Rev. 5
	ADT7460	645Kb / 46P	dBCOOL Remote Thermal Monitor and Fan Controller June, 2010 ??Rev. 5
	ADT7475	654Kb / 58P	dBCOOL Remote Thermal Monitor and Fan Controller June, 2009 ??Rev. 4
	ADT7467	938Kb / 77P	dBCool Remote Thermal Monitor and Fan Controller January 2008 ??Rev. 3
Analog Devices	ADT7475	1Mb / 68P	dBCool Remote Thermal Monitor and Fan Controller REV. A
ON Semiconductor	ADT7473	1Mb / 74P	dBCOOL Remote Thermal Monitor and Fan Control April, 2009 ??Rev. 6
ON Semiconductor	ADT7473	1Mb / 74P	dbCOOL Remote Thermal Monitor and Fan Control October, 2011 ??Rev. 7
Analog Devices	ADT7490	1Mb / 76P	dBCool Remote Thermal Monitor and Fan Controller with PECI Interface Rev. 0
Analog Devices	ADT7490	1Mb / 76P	dBCool Remote Thermal Monitor and Fan Controller with PECI Interface REV. 0

More results

ADT7473 Datasheet(PDF) 62 Page - Analog Devices

ADT7473 Datasheet(HTML) 62 Page - Analog Devices

Similar Part No. - ADT7473

Similar Description - ADT7473

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76

Datasheet Download

Link URL