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EMC2104-BP-TR 参数 Datasheet PDF下载

EMC2104-BP-TR图片预览
型号: EMC2104-BP-TR
PDF下载: 下载PDF文件 查看货源
内容描述: [Switching Controller]
分类和应用: 风扇控制器
文件页数/大小: 101 页 / 1474 K
品牌: SMSC [ SMSC CORPORATION ]
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Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown  
Datasheet  
Table 6.24 PWM_BASEx[1:0] Bit Decode  
PWM_BASEX[1:0]  
1
0
BASE FREQUENCY  
0
0
1
1
0
1
0
1
26.00kHz  
19.531kHz  
4,882Hz  
2,441Hz (default)  
6.19  
Limit Registers  
Table 6.25 Limit Registers  
ADDR  
R/W  
REGISTER  
B7  
B6  
B5  
B4  
B3  
B2  
B1  
B0  
DEFAULT  
External Diode  
1 High Limit  
55h  
(+85°C)  
30h  
31h  
32h  
33h  
34h  
35h  
38h  
39h  
3Ah  
3Bh  
3Ch  
3Dh  
R/W  
Sign  
Sign  
Sign  
Sign  
Sign  
752.9  
Sign  
Sign  
Sign  
Sign  
Sign  
752.9  
64  
32  
16  
8
4
2
1
External Diode  
2 High Limit  
55h  
(+85°C)  
R/W  
R/W  
R/W  
R/W  
R/W  
R/W  
R/W  
R/W  
R/W  
R/W  
R/W  
64  
64  
64  
64  
32  
32  
32  
32  
16  
16  
8
4
4
4
4
2
2
2
2
1
1
External Diode  
3 High Limit  
55h  
(+85°C)  
8
External Diode  
4 High Limit  
55h  
(+85°C)  
16  
8
1
Internal Diode  
High Limit  
55h  
(+85°C)  
16  
8
1
VIN4 High  
Limit  
FFh  
(0.8V)  
376.5 188.2  
94.12  
16  
47.06  
23.53 11.76  
5.88  
1
External Diode  
1 Low Limit  
00h  
(0°C)  
64  
64  
64  
64  
64  
32  
32  
32  
32  
32  
8
4
4
4
4
4
2
2
2
2
2
External Diode  
2 Low Limit  
00h  
(0°C)  
16  
8
1
External Diode  
3 Low Limit  
00h  
(0°C)  
16  
8
8
1
External Diode  
4 Low Limit  
00h  
(0°C)  
16  
1
Internal Diode  
Low Limit  
00h  
(0°C)  
16  
8
1
VIN 4 Low  
Limit  
00h  
(0V)  
376.5 188.2  
94.12  
47.06  
23.53 11.76  
5.88  
The EMC2104 contains high limits for all temperature channels and voltage channels. If any  
measurement meets or exceeds the high limit then the appropriate status bit is set and the ALERT#  
pin are asserted (if enabled).  
SMSC EMC2104  
Revision 1.74 (05-08-08)  
DATA6S3HEET