Datenblatt-pdf.com


ADM1029 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer ADM1029
Beschreibung Dual PWM Fan Controller and Temperature Monitor for High Availability Systems
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 30 Seiten
ADM1029 Datasheet, Funktion
a Dual PWM Fan Controller and Temperature
Monitor for High Availability Systems
ADM1029*
FEATURES
Software Programmable and Automatic Fan Speed
Control
Automatic Fan Speed Control Allows Control
Independent of CPU Intervention after Initial Setup
Control Loop Minimizes Acoustic Noise and Power
Consumption
Remote and Local Temperature Monitoring
Dual Fan Speed Measurement
Supports Backup and Redundant Fans
Supports Hot Swapping of Fans
Cascadable Fault Output Allows Fault Signaling
between Multiple ADM1029s
Address Pin Allows Up to Eight ADM1029s in A System
Small 24-Lead QSOP Package
APPLICATIONS
Network Servers and Personal Computers
Microprocessor-Based Office Equipment
High Availability Telecommunications Equipment
FUNCTIONAL BLOCK DIAGRAM
VCC
PRESENT1
FAULT1
DRIVE1
ADM1029
PWM
CONTROLLER
SERIAL BUS
INTERFACE
SLAVE ADDRESS
REGISTER
FAN 1 STATUS
REGISTER
FAN 1 MIN
SPEED REGISTER
FAN 1 ALARM
SPEED REGISTER
FAN 1 HOT-PLUG
SPEED REGISTER
ADDRESS POINTER
REGISTER
INTERRUPT MASK
REGISTERS
INTERRUPT STATUS
REGISTERS
LIMIT COMPARATOR
VALUE AND LIMIT
REGISTERS
INTERRUPT
MASKING
TACH1
TACH2
PRESENT2
FAULT2
DRIVE2
PWM
CONTROLLER
FAN SPEED
COUNTER
FAN 2 STATUS
REGISTER
FAN 2 MIN
SPEED REGISTER
FAN 2 ALARM
SPEED REGISTER
FAN 2 HOT-PLUG
SPEED REGISTER
G.P. I/O REGISTER
ADC
ANALOG
MUX
REMOTE SENSOR
SIGNAL
CONDITIONING
BANDGAP
REFERENCE
BANDGAP
TEMP SENSOR
SCL
SDA
INT
CFAULT
RESET
GPIO2
AIN1/GPIO1
AIN0/GPIO0
D2+/GPIO6
D2–/GPIO5
D1+/GPIO4
D1–/GPIO3
TMIN/INSTALL
ADD
GND
*Protected by U.S. Patent Numbers 6,255,973 and 6,188,189
REV. 0
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 that
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






ADM1029 Datasheet, Funktion
ADM1029
13
12
11
10 VIN = 40mV p-p
9
8
7
VIN = 30mV p-p
VIN = 20mV p-p
6
5
4
3
2
1
0
1
0 1 4 8 12 16 20 50 100 200 300 400 500 600
FREQUENCY MHz
TPC 7. Remote Temperature Error vs. Differential-Mode
Noise Frequency
10
9
8
VIN = 250mV p-p
7
6
VIN = 100mV p-p
5
4
3
2
1
0
1
01
4 8 12 16 20 50 100 200 300 400 500 600
FREQUENCY MHz
TPC 10. Local Sensor Temperature Error vs. Power Supply
Noise Frequency
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
1.0 1.4 1.8 2.2 2.6 3.0 3.4 3.8 4.2 4.6
SUPPLY VOLTAGE V
TPC 8. Standby Supply Current vs. Supply Voltage
1.80
1.75
1.70
1.65
1.60
1.55
1.50
1.45
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0
SUPPLY VOLTAGE V
TPC 9. Supply Current vs. Supply Voltage
120
110
100
90
80
70
60
50
40
30
20
10
0
0 1 2 3 4 5 6 7 8 9 10
TIME Seconds
TPC 11. ADM1029 Response to Thermal Shock
0.10
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
0
20 40 60 80 85 100 105 120
TEMPERATURE ؇C
TPC 12. Remote Temperature Error
–6– REV. 0

6 Page









ADM1029 pdf, datenblatt
ADM1029
DEFAULTS
LOCAL = 60؇C
REMOTE 1 = 70؇C
REMOTE 2 = 70؇C
CONFIGURE
TEMPERATURE LOW
LIMITS
LOCAL (REG 0x98)
REMOTE 1 (REG 0x99)
REMOTE 2 (REG 0x9A)
DEFAULTS
LOCAL = 80؇C
REMOTE 1 = 100؇C
REMOTE 2 = 100؇C
CONFIGURE
TEMPERATURE HIGH
LIMITS
LOCAL (REG 0x90)
REMOTE 1 (REG 0x91)
REMOTE 2 (REG 0x92)
CONFIGURE
TEMPERATURE FAULT
ACTION
LOCAL (REG 0x40)
REMOTE 1 (REG 0x41)
REMOTE 2 (REG 0x42)
CONFIGURE
TEMPERATURE COOLING
ACTION
LOCAL (REG 0x48)
REMOTE 1 (REG 0x49)
REMOTE 2 (REG 0x4A)
DEFAULTS
LOCAL = 0؇C
REMOTE 1 = 0؇C
REMOTE 2 = 0؇C
CONFIGURE
TEMPERATURE OFFSETS
LOCAL (REG 0x30)
REMOTE 1 (REG 0x31)
REMOTE 2 (REG 0x32)
MEASURE
TEMPERATURE
LOCAL (REG 0xA0)
REMOTE 1 (REG 0xA1)
REMOTE 2 (REG 0xA2)
BIT 0 = 1
BIT 1 = 1
BIT 2 = 1
BIT 3 = 0
BIT 3 = 1
BIT 4 = 1
BIT 5 = 1
BIT 6 = 1
BIT 7
7
ASSERT CFAULT ON OVER-TEMPERATURE
RUN FAN(S) ALARM SPEED ON OVER-TEMPERATURE
ASSERT INT ON OVER-TEMPERATURE
ALARM BELOW LOW TEMP LIMIT
ALARM ABOVE LOW TEMP LIMIT
ASSERT CFAULT WHEN LOW TEMP LIMIT CROSSED
RUN FAN ALARM SPEED ON UNDER-TEMPERATURE
ASSERT INT ON UNDER-TEMPERATURE
LATCHES A TEMPERATURE OUT-OF-LIMIT EVENT
6 54 3 2
1
0
IS
TEMPERATURE
>
HIGH LIMIT?
IS
TEMPERATURE
>
HIGH LIMIT?
YES
CFAULT
YES
IS
TEMPERATURE
>
HIGH LIMIT?
FANS RUN
ALARM SPEED
YES
INT
ALARM ABOVE OR
BELOW LOW TEMP
LIMIT?
0 = ALARM BELOW TEMP LIMIT
LOW TEMP LIMIT
CROSSED?
YES
1 = ALARM ABOVE TEMP LIMIT
CFAULT
LOW TEMP LIMIT
CROSSED?
YES
LOW TEMP LIMIT
CROSSED?
YES
BIT 0 = 1
BIT 1 = 1
AUTOMATIC FAN SPEED CONTROL (SEE TABLE X LATER)
FAN 1 RUNS AT ALARM SPEED FOR OUT-OF-LIMIT TEMPERATURE EVENTS;
OTHERWISE, FAN 1 RUNS AT SPEED DETERMINED BY AUTOMATIC FAN
CONTROL.
FAN 2 RUNS AT ALARM SPEED FOR OUT-OF-LIMIT TEMPERATURE EVENTS;
OTHERWISE, FAN 2 RUNS AT SPEED DETERMINED BY AUTOMATIC FAN
CONTROL.
XXXXXX1 0
Figure 7. Temperature Sensing Flowchart
FANS RUN ALARM SPEED
INT
–12–
REV. 0

12 Page





SeitenGesamt 30 Seiten
PDF Download[ ADM1029 Schematic.PDF ]

Link teilen




Besondere Datenblatt

TeilenummerBeschreibungHersteller
ADM10208-Lead/ Low-Cost/ System Temperature MonitorAnalog Devices
Analog Devices
ADM1021Low Cost Microprocessor System Temperature MonitorAnalog Devices
Analog Devices
ADM1021ALow Cost Microprocessor System Temperature Monitor MicrocomputerON Semiconductor
ON Semiconductor
ADM1021ASystem Temperature Monitor MicrocomputerAnalog Devices
Analog Devices
ADM1022Low-Cost PC Temperature Monitor and Fan Control ASICAnalog Devices
Analog Devices

TeilenummerBeschreibungHersteller
CD40175BC

Hex D-Type Flip-Flop / Quad D-Type Flip-Flop.

Fairchild Semiconductor
Fairchild Semiconductor
KTD1146

EPITAXIAL PLANAR NPN TRANSISTOR.

KEC
KEC


www.Datenblatt-PDF.com       |      2020       |      Kontakt     |      Suche