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EMC1404 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 EMC1404
기능 (EMC1403 / EMC1404) Temperature Sensor
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EMC1404 데이터시트, 핀배열, 회로
EMC1403/EMC1404
1°C Temperature Sensor with
Beta Compensation
PRODUCT FEATURES
Datasheet
General Description
The EMC1403 and EMC1404 are high accuracy, low
cost, System Management Bus (SMBus) temperature
sensors. Advanced features such as Resistance Error
Correction (REC), Beta Compensation (to support CPU
diodes requiring the BJT/transistor model including
45nm, 65nm and 90nm processors) and automatic
diode type detection combine to provide a robust
solution for complex environmental monitoring
applications.
Each device provides ±1° accuracy for external diode
temperatures and ±2°C accuracy for the internal diode
temperature. The EMC1403 monitors three temperature
channels (two external and one internal). The EMC1404
monitors four temperature channels (three external and
one internal).
Resistance Error Correction automatically eliminates the
temperature error caused by series resistance allowing
greater flexibility in routing thermal diodes. Beta
Compensation eliminates temperature errors caused by
low, variable beta transistors common in today's fine
geometry processors. The automatic beta detection
feature monitors each 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.
Applications
„ Notebook Computers
„ Desktop Computers
„ Industrial
„ Embedded applications
Features
„ Support for diodes requiring the BJT/transistor model
— supports 45nm, 65nm, and 90nm CPU thermal diodes.
„ Automatically determines external diode type and
optimal settings
„ Resistance Error Correction
„ External Temperature Monitors
— ±1°C Accuracy (60°C < TDIODE < 100°C)
— 0.125°C Resolution
— Anti-parallel diodes for extra diode support
„ Internal Temperature Monitor
— ±2°C accuracy
„ 3.3V Supply Voltage
„ Programmable temperature limits for ALERT and
THERM
„ Available in these Lead-free RoHS Compliant
Packages
— 10-pin 3mm x 3mm DFN
— 10-pin MSOP
— 14-pin SOIC
SMSC EMC1403/EMC1404
DATASHEET
Revision 2.0 (08-10-12)




EMC1404 pdf, 반도체, 판매, 대치품
1°C Temperature Sensor with Beta Compensation
Datasheet
6.11
6.12
6.13
6.14
6.15
6.16
6.17
6.18
6.19
6.20
6.21
Channel Mask Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Consecutive ALERT Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Beta Configuration Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
External Diode Ideality Factor Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
High Limit Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Low Limit Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
THERM Limit Status Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Filter Control Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Product ID Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
SMSC ID Register (FEh) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Revision Register (FFh) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Chapter 7 Typical Operating Curves. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Chapter 8 Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
8.1 Package Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
8.1.1 EMC1404-X-AIZL (10-pin MSOP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
8.1.2 EMC1403-X-AIZL (10-pin MSOP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
8.1.3 EMC1403-1-AIA and EMC1403-2-AIA (10-pin DFN). . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
8.1.4 EMC1403-YZT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Chapter 9 Datasheet Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Revision 2.0 (08-10-12)
4
DATASHEET
SMSC EMC1403/EMC1404

4페이지










EMC1404 전자부품, 판매, 대치품
1°C Temperature Sensor with Beta Compensation
Datasheet
Chapter 1 Block Diagram
Switching
Current
DP1
DN1
DP2
Anti-parallel
diodes
DN2
EMC1403/04
VDD
Analog
Mux
ΔΣ ADC
External
Temperature
Register(s)
Internal
Temperature
Register
Internal
Temp Diode
Status Registers
GND
Conversion Rate Register
Low Limit Registers
High Limit Registers
THERM Limit Register
THERM Hysteresis Register
Configuration Register
Interupt Masking
SMCLK
SMDATA
ALERT
THERM
Figure 1.1 EMC1403/EMC1404 Block Diagram
1.1 Part Selection
The EMC1403 and EMC1404 device configuration is highlighted below.
PART
NUMBER
EMC1403 - 1 -
AIZL
EMC1403 - 2 -
AIZL
EMC1403 - 3 -
AIZL
EMC1403 - 4 -
AIZL
SMBUS
ADDRESS
1001_100xb
1001_101xb
0011_000xb
0101_001xb
Table 1.1 Part Selection
FUNCTIONALITY
EXTERNAL
DIODES
DIODE 1
DEFAULT
CONFIGURATION
DIODE 2
DEFAULT
CONFIGURATION
OTHER
PRODUCT
ID
Software program-
mable and mask-
2
Detect Diode w/ REC
enabled
Detect Diode w/ REC
enabled
able High Limits
Software program-
21h
mable THERM
Limits
SMSC EMC1403/EMC1404
7
DATASHEET
Revision 2.0 (08-10-12)

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