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ADM1026 の電気的特性と機能

ADM1026のメーカーはAnalog Devicesです、この部品の機能は「Complete Thermal and System Management Controller」です。


製品の詳細 ( Datasheet PDF )

部品番号 ADM1026
部品説明 Complete Thermal and System Management Controller
メーカ Analog Devices
ロゴ Analog Devices ロゴ 




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ADM1026 Datasheet, ADM1026 PDF,ピン配置, 機能
PRELIMINARY TECHNICAL DATA
=
Preliminary Technical Data
Complete Thermal and System
ManagementController
ADM1026
FEATURES
Up to 19 Analog Measurement Channels (Including Inter-
nal Measurements)
Chassis Intrusion Detection
Interrupt Output (SMBAlert)
Reset Input, Reset Outputs
Up to 8 Fan Speed Measurement Channels
Thermal Interrupt (THERM) Output
Up to 17 General-Purpose Logic I/O Pins
Shutdown Mode to Minimize Power Consumption
Remote Temperature Measurement with Remote Diode
Limit Comparison of all Monitored Values
(Two Channels)
On-Chip Temperature Sensor
Analog and PWM Fan Speed Control Outputs
2-wire serial System Management Bus (SMBus)
8K bytes on-chip E2PROM
APPLICATIONS
Network Servers and Personal Computers
Telecommunications Equipment
Test Equipment and Measuring Instruments
Full SMBus 1.1 support including Packet Error Checking
(PEC)
FUNCTIONAL BLOCK DIAGRAM
ADD/
NTESTOUT
SDA
SCL 3.3VSTBY
3.3V MAIN
GPIO15
GPIO14
GPIO13
GPIO12
GPIO11
GPIO10
GPIO9
GPIO8
F A N 7 /G P IO 7
F A N 6 /G P IO 6
FAN5GPIO5
F A N 4 /G P IO 4
F A N 3 /G P IO 3
F A N 2 /G P IO 2
F A N 1 /G P IO 1
F A N 0 /G P IO 0
+VBAT(0 - +4.0V)
+5VIN(0 - +6.66V)
-12VIN(0 - -16V)
+12VIN(0 - +16V)
+V CCPIN(0 - +3V )
AIN0(0 - +3V)
AIN1(0 - +3V)
AIN2(0 - +3V)
AIN3(0 - +3V)
AIN4(0 - +3V)
AIN5(0 - +3V)
AIN6(0 - +2.5V)
AIN7(0 - +2.5V)
D2+/AIN8(0 - +2.5V)
D2-/AIN9(0 - +2.5V)
D1+
D 1-/N TE S TIN
BANDGAP
TEMP. SENSOR
GPIO
REGISTERS
SERIAL BUS
IN TE R FA C E
R ESET IN
3.3V MAIN
RESET
GENE RATO R
FAN SPEED
COUNTER
IN P UT
ATTENUATORS
AND
AN ALO G
MULTIPLEX ER
ADD RES S
PO INT E R
RE G IS T ER
8KBYTES
E2PROM
TE MP E RAT UR E
CO N F IG U R AT IO N
RE G IS T ER
ADM1026
8-BIT ADC
BANDGAP
REFERENCE
VCC
3.3V STBY
RESET
GENE RATO R
PWM REGISTER
AND CONTROLLER
VALUE AND
LIM IT
RE GIS TE RS
LIM IT
CO M PA RA TO RS
IN T E RR U P T
STATUS
RE GIS TE RS
INT MASK
RE GIS TE RS
IN T E RR U P T
MASKING
CO N F IG U R AT IO N
RE GISTE RS
AN ALO G
OUTPUT REGISTER
AND 8-B IT DAC
TO G P IO
REGISTERS
R ESE T M A IN
R ESETST B Y
PWM
CI
INT
G P IO 1 6/T H E R M
DAC
REV. PrP 9/01
AGND DGND VREF (1.82V OR 2.5V)
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2001

1 Page





ADM1026 pdf, ピン配列
PRELIMINARY TECHNICAL DATA
ADM1026
Specifications(Continued)
Parameter
FAN RPM-TO-DIGITAL CONVERTER
Accuracy
Full-Scale Count
FAN0 TO FAN7 Nominal Input RPM
(Note 5)
Internal Clock Frequency
OPEN-DRAIN O/P'S, PWM, GPIO0-16
Output High Voltage, VOH
Output Low Voltage, VOL
PWM Output Frequency
OPEN-DRAIN DIGITAL OUTPUTS
INT, RESETMAIN, RESETSTBY)
Output Low Voltage, VOL
High Level Output Leakage Current, IOH
RESET Pulse Width
OPEN-DRAIN SERIAL DATA
BUS OUTPUT (SDA)
Output Low Voltage, VOL
High Level Output Leakage Current, IOH
SERIAL BUS DIGITAL INPUTS
(SCL, SDA)
Input High Voltage, VIH
Input Low Voltage, VIL
Hysteresis
DIGITAL INPUT LOGIC LEVELS
(ADD, CI, FAN0-7, GPIO0-16)
Input High Voltage, VIH
Input Low Voltage, VIL
Hysteresis (Fan 0 - 7)
RESETMAIN, RESETSTBY
RESETMAIN Threshold
RESETSTBY Threshold
RESETMAIN Hysteresis
RESETSTBY Hysteresis
DIGITAL INPUT CURRENT
Input High Current, IIH
Input Low Current, IIL
Input Capacitance, CIN
EEPROM RELIABILITY
Endurance
Data Retention
SERIAL BUS TIMING
Clock Frequency, fSCLK
Glitch Immunity, tSW
Bus Free Time, tBUF
Start Setup Time, tSU;STA
Start Hold Time, tHD;STA
SCL Low Time, tLOW
SCL High Time, tHIGH
SCL, SDA Rise Time, tr
SCL, SDA Fall Time, tf
Min Typ Max
±6
255
8800
4400
2200
1100
21.1 22.5 23.9
2.4
0.4
75
Units Test Conditions/Comments
See Note 5
%
RPM
RPM
RPM
RPM
kHz
Divisor = 1, Fan Count = 153
Divisor = 2, Fan Count = 153
Divisor = 4, Fan Count = 153
Divisor = 8, Fan Count = 153
V IOUT = 3.0mA, VCC = 3.3V
V IOUT = -3.0mA, VCC = 3.3V
Hz
0.4
0.1 1
140 180 240
V IOUT = -3.0mA, VCC = 3.3V
µA VOUT = VCC
ms
0.4
0.1 1
V IOUT = -3.0mA, VCC = 3.3V
µA VOUT = VCC
2.2
0.8
500
V
V
mV
2.4
0.8
250
2.94
3.08
60
50
See Notes 6 and 7
V VCC = 3.3V
V VCC = 3.3V
mV VCC = 3.3V
V RESETMAIN triggered from AVCC
RESETSTBY triggered from DVCC
mV
mV
-1
20
1
µA VIN = VCC
µA VIN = 0
pF
100 700
100
K cycles See Note 9
Years See Note 10
400 kHz See Figure 1
50 ns See Figure 1
4.7 µs See Figure 1
4.7 µs See Figure 1
4 µs See Figure 1
4.7 µs See Figure 1
4 µs See Figure 1
1000
ns See Figure 1
300 µs See Figure 1
REV. PrP
–3–


3Pages


ADM1026 電子部品, 半導体
ADM1026
PRELIMINARY TECHNICAL DATA
PIN FUNCTION DESCRIPTION (CONTINUED)
PIN NO. MNEMONIC TYPE
DESCRIPTION
21 AGND
Ground
Ground pin for analog circuits
22 3.3V STBY
Power Supply
Supplies 3.3V power for the ADM1026. Also monitors 3.3V standby
power rail.
23 DAC
Analog Output 0 to 2.5V output for analog control of fan speed.
24 VREF
Analog Output Reference voltage output. Can be selected as 1.8V (default) or 2.5V.
25 D1-/NTESTIN Analog Input Connected to cathode of 1st remote temperature sensing diode. If held
high at power up it activates NAND tree test mode.
26 D1+
Analog Input Connected to anode of 1st remote temperature sensing diode.
27 D2-/AIN9
Programmable Connected to cathode of 2nd remote temperature sensing diode, or
Analog Input may be re-configured as a 0 - 2.5V analog input
28 D2+/AIN8
Programmable Connected to anode of 2nd remote temperature sensing diode, or
Analog Input may be re-configured as a 0 - 2.5V analog input
29 VBAT
30 +5VIN
31 -12VIN
32 +12VIN
33 +VCCP
34 AIN7
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input
Monitors battery voltage, nominally +3V.
Monitors +5 V supply.
Monitors -12 V supply.
Monitors +12 V supply.
Monitors processor core voltage (0 to 3.0V).
General-purpose 0 to 2.5V analog input.
35 AIN6
Analog Input General-purpose 0 to 2.5V analog input.
36 AIN5
Analog Input General-purpose 0 to 3V analog input.
37 AIN4
Analog Input General-purpose 0 to 3V analog input.
38 AIN3
Analog Input General-purpose 0 to 3V analog input.
39 AIN2
Analog Input General-purpose 0 to 3V analog input.
40 AIN1
Analog Input General-purpose 0 to 3V analog input.
41 AIN0
Analog Input General-purpose 0 to 3V analog input.
42 GPIO16/
THERM
43 GPIO15
Digital I/O1
Digital I/O1
General purpose I/O pin can be configured as a digital input or output.
Can also be configured as a bidirectional THERM pin (open drain).
General purpose I/O pin can be configured as a digital input or output.
44 GPIO14
Digital I/O1
General purpose I/O pin can be configured as a digital input or output.
45 GPIO13
Digital I/O1
General purpose I/O pin can be configured as a digital input or output.
46 GPIO12
Digital I/O1
General purpose I/O pin can be configured as a digital input or output.
47 GPIO11
Digital I/O1
General purpose I/O pin can be configured as a digital input or output.
48 GPIO10
Digital I/O1
NOTES
1 GPIO pins are open-drain and require external pullup resistors.
General purpose I/O pin can be configured as a digital input or output.
–6– REV. PrP

6 Page



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