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參數(shù)資料
| 型號： | EMC2103-1-KP-TR |
| 廠商： | STANDARD MICROSYSTEMS CORP |
| 元件分類： | 模擬信號調理 |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, QCC12 |
| 封裝： | 4 X 4 MM, ROHS COMPLIANT, QFN-12 |
| 文件頁數(shù)： | 64/89頁 |
| 文件大小： | 1243K |
| 代理商： | EMC2103-1-KP-TR |
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RPM-Based Fan Controller with HW Thermal Shutdown
Datasheet
SMSC EMC2103
67
Revision 0.90 (08-19-08)
DATASHEET
Bit 6 - USE_DTS_F2 - This bit determines whether the Pushed Temperature 2 Register is using DTS
data.
‘0’ (default) - The Pushed Temperature 2 Register is not using DTS data. The contents of this
register is standard 2’s complement temperature data.
‘1’ - The Pushed Temperature 2 Register is loaded with DTS data. The contents of this register is
automatically subtracted from a fixed value of 100°C before being compared to the Look Up Table
threshold levels.
Bit 5 - LUT_LOCK - This bit locks updating the Look Up Table entries and determines whether the look
up table is being used.
‘0’ (default) - The Look Up Table entries can be updated normally. The Look Up Table will not be
used while the Look Up Table entries are unlocked. During this condition, the PWM output will not
change states regardless of temperature or tachometer variation.
‘1’ - The Look Up Table entries are locked and cannot be updated. The Look Up Table is fully active
and will be used based on the loaded values. The PWM output will be updated depending on the
temperature and / or TACH variations.
APPLICATION NOTE: When the LUT_LOCK bit is set at a logic ‘0’, the PWM drive setting will be set at whatever
value was last used by the RPM based Fan Speed Control Algorithm or the Look Up Table.
Bit 4 - RPM / PWM - This bit selects the data format for the LUT drive settings.
‘0’ (default) - The Look Up Table drive settings are RPM TACH count values for use by the RPM
based Fan Speed Control Algorithm. The Look Up Table drive settings should be loaded highest
value to lowest value (to coincide with the inversion between TACH counts and actual RPM).
‘1’ - The Look Up Table drive settings are PWM duty cycle values and are used directly. The drive
settings should be loaded lowest value to highest value.
Bit 2 - TEMP3_CFG - Determine the temperature channel that is used for the Temperature 3 inputs to
the Look Up Table. If the External Diode 3 channel is not enabled, then the Temperature 3 inputs are
not used by the Look Up Table.
‘0’ (default) - The External Diode 3 channel is used by the Fan Look Up Table (if enabled).
‘1’ - The data written into the Pushed Temperature 1 Register is used by the Fan Look Up Table.
Bit 0 - TEMP4_CFG - Determine the temperature channel that is used for the Temperature 4 inputs to
the Look Up Table.
‘0’ (default) - The Internal channel is used by the Fan Look Up Table.
‘1’ - The data written into the Pushed Temperature 2 Register is used by the Fan Look Up Table.
6.33
Look Up Table Registers
Table 6.50 Look Up Table Registers
ADDR
R/W
REGISTER
RPM /
PWM
B7
B6
B5
B4B3
B2B1
B0
DEFAULT
51h
R/W
LUT Drive
Setting 1
‘0’
4096
2048
1024
512
256
128
64
32
FBh
‘1’
128
64
32
16
8
4
2
1
52h
R/W
LUT Ext
Diode 1
Setting 1
X
-
64
32
16
8
4
2
1
7Fh
(127°C)
53h
R/W
LUT Ext
Diode 2
Setting 1
X
-
64
32
16
8
4
2
1
7Fh
(127°C)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| EMC2103-2 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Analog and Interface Product Selector Guide |
| EMC2103-2-AP | 制造商:SMSC 制造商全稱:SMSC 功能描述:RPM-Based Fan Controller with HW Thermal Shutdown |
| EMC2103-2-AP-TR | 功能描述:板上安裝溫度傳感器 Closed Loop RPM RPM Fan Ctrl 3Remote RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| EMC2103-3-KP | 制造商:SMSC 制造商全稱:SMSC 功能描述:RPM-Based Fan Controller with HW Thermal Shutdown |
| EMC2103-4 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Analog and Interface Product Selector Guide |
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