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EMC2113 数据表(PDF) 14 Page - Microchip Technology

部件名 EMC2113
功能描述  RPM-Based Fan Controller with Multiple Temperature Zones & Hardware Thermal Shutdown
PDF  88 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

EMC2113 数据表(HTML) 14 Page - Microchip Technology

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RPM-Based Fan Controller with Multiple Temperature Zones & Hardware Thermal Shutdown
Datasheet
DS20005251A-page 14
 2013 Microchip Technology Inc.
4.1
Electrical Specifications
Table 4.2 Electrical Specifications
VDD = 3V to 3.6V, TA = -40°C to 125°C, all Typical values at TA = 27°C unless otherwise noted.
CHARACTERISTIC
SYMBOL
MIN
TYP
MAX
UNIT
CONDITIONS
DC Power
Supply Voltage
VDD
3
3.3
3.6
V
Supply Current
IDD
1.1
1.5
mA
4 Conversions/second, Fan
Driver active at maximum PWM
frequency, Dynamic Averaging
Enabled
0.7
1.1
mA
1 Conversion/second, Fan
Driver not active, Dynamic
Averaging Disabled
First Conversion
Ready
tCONV_T
150
300
ms
Time after power up before all
channels updated
SMBus Delay
tSMB_D
10
15
ms
Time before SMBus
communications should be sent
by host
External Temperature Monitors
Temperature
Accuracy
±0.5
±1
°C
60°C < TDIODE < 125°C
30°C < TA < 100°C
±1
±2
°C
-40°C < TDIODE < 125°C
Temperature
Resolution
0.125
°C
Diode decoupling
capacitor
CFILTER
2200
2700
pF
Connected across external
diode, CPU, GPU, or AMD diode
Resistance Error
Corrected
RSERIES
100
Ohm
Sum of series resistance in both
DP and DN lines
Internal Temperature Monitor
Temperature
Accuracy
TA
±0.5
±1
°C
40°C < TA < 100°C
±1
±2
°C
Temperature
Resolution
0.125
°C
RPM-Based Fan Controller
Tachometer Range
TACH
480
16000
RPM
RPM Control
Accuracy
TACH
±1
±2
%
PWM Fan Driver
PWM Resolution
PWM
256
Steps
PWM Duty Cycle
DUTY
0
100
%



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