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EMC1183 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 EMC1183
기능 Triple Channel Temperature Sensor
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EMC1183 데이터시트, 핀배열, 회로
EMC1183
Triple Channel 1°C Temperature Sensor with Beta
Compensation and 1.8V SMBus Communications
PRODUCT FEATURES
General Description
The EMC1183 is a high accuracy, low cost, 1.8V System
Management Bus (SMBus) compatible temperature sensor.
Advanced features such as Resistance Error Correction (REC),
Beta Compensation (to support CPU diodes requiring the
BJT/transistor model including 65nm and lower geometry
processors) and automatic diode type detection combine to
provide a robust solution for complex environmental monitoring
applications. The ability to communicate at 1.8V SMBus levels
provides compatible I/O for the advanced processors found in
today’s tablet and smartphone applications.
The EMC1183 monitors three temperature channels (two
external and one internal), providing ±1°C accuracy for both
external and internal diode temperatures.
REC automatically eliminates the temperature error caused by
series resistance allowing greater flexibility in routing thermal
diodes. Frequency hopping* and analog filters ensure remote
diode traces can be as far as eight (8) inches without degrading
the signal. Beta Compensation eliminates temperature errors
caused by low, variable beta transistors common in today's fine
geometry processors. The automatic beta detection feature
monitors the external diode/transistor and determines the
optimum sensor settings for accurate temperature
measurements regardless of processor technology. This frees
the user from providing unique sensor configurations for each
temperature monitoring application. These advanced features
plus ±1°C measurement accuracy provide a low-cost, highly
flexible and accurate solution for critical temperature monitoring
applications.
Datasheet
Applications
Notebook Computers
Desktop Computers
Industrial
Embedded applications
Features
Programmable SMBus address
Support for diodes requiring the BJT/transistor model
— Supports 65nm and lower geometry CPU thermal
diodes
Pin and register compatible with EMC1413
Automatically determines external diode type and
optimal settings
Resistance Error Correction
Frequency hops the remote sample frequency to reject
DC converter and other coherent noise sources*
Consecutive Alert queue to further reduce false Alerts
Up to 2 External Temperature Monitors
— 25°C typ, ±1°C max accuracy (20°C < TDIODE < 110°C)
— 0.125°C resolution
— Supports up to 2.2nF diode filter capacitor
Internal Temperature Monitor
— ±1°C accuracy
— 0.125°C resolution
3.3V Supply Voltage
1.8V SMBus operation
Programmable temperature limits for ALERT/THERM2
(85°C default high limit and 0°C default low limit) and
THERM (85°C default)
Available in small 10-pin 3mm x 3mm DFN RoHS
compliant package
DP1
DN1
DP2
DN2
ALERT / THERM2
THERM / ADDR
EMC1183
Switching
Current
Analog
Mux
ΔΣ ADC
Internal
Temp Diode
Interupt Masking
SMBus Address Decode
VDD
External
Temperature
Register(s)
Internal
Temperature
Register
GND
Status Registers
Conversion Rate Register
Low Limit Registers
High Limit Registers
THERM Limit Register
THERM Hysteresis Register
Configuration Register
* Technology covered under the US patent 7,193,543.
SMCLK
SMDATA
CPU /
GPU
Thermal
Junction
DP1 VDD
DN1
EMC1183
DP2
DN2
GND
VDD =
3.3V
1.8V 1.8V-3.3V
Host
SMCLK
SMDATA
ALERT / THERM2
SMBus
Interface
THERM / ADDR
Power
Control
SMSC EMC1183
DATASHEET
Revision 1.0 (07-11-13)




EMC1183 pdf, 반도체, 판매, 대치품
Triple Channel 1°C Temperature Sensor with Beta Compensation and 1.8V SMBus Communications
Datasheet
6.4 Configuration Register 03h / 09h. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
6.5 Conversion Rate Register 04h / 0Ah . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
6.6 Limit Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
6.7 Scratchpad Registers 11h and 12h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6.8 One Shot Register 0Fh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
6.9 Therm Limit Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
6.10 External Diode Fault Register 1Bh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
6.11 Channel Mask Register 1Fh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
6.12 Consecutive ALERT Register 22h. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
6.13 Beta Configuration Registers 25h and 26h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.14 External Diode Ideality Factor Registers 27h to 31h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.15 High Limit Status Register 35h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6.16 Low Limit Status Register 36h. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6.17 Therm Limit Status Register 37h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
6.18 Filter Control Register 40h. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
6.19 Product ID Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.20 SMSC ID Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.21 Revision Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Chapter 7 Typical Operating Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Chapter 8 Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
8.1 Package Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Chapter 9 Datasheet Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Revision 1.0 (07-11-13)
4
DATASHEET
SMSC EMC1183

4페이지










EMC1183 전자부품, 판매, 대치품
Triple Channel 1°C Temperature Sensor with Beta Compensation and 1.8V SMBus Communications
Datasheet
Chapter 1 Block Diagram
DP1
DN1
DP2
DN2
ALERT / THERM2
THERM / ADDR
EMC1183
VDD
Switching
Current
Analog
Mux
ΔΣ ADC
External Temperature
Register(s)
Internal Temp
Diode
Interupt Masking
SMBus Address Decode
Internal
Temperature Register
GND
Status Registers
Figure 1.1 EMC1183 Block Diagram
Conversion Rate Register
Low Limit Registers
High Limit Registers
THERM Limit Register
THERM Hysteresis Register
Configuration Register
SMCLK
SMDATA
SMSC EMC1183
7
DATASHEET
Revision 1.0 (07-11-13)

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