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EMC1428 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 EMC1428
기능 Multiple Temperature Sensor
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EMC1428 데이터시트, 핀배열, 회로
EMC1428
1°C Multiple Temperature Sensor with HW
Thermal Shutdown & Hottest of Thermal Zones
PRODUCT FEATURES
Data Sheet
General Description
The EMC1428 is a high accuracy, low cost, System
Management Bus (SMBus) temperature sensor.
Advanced features such as Resistance Error Correction
(REC), Beta Compensation (to CPU diodes requiring the
BJT or transistor model) and automatic diode type
detection combine to provide a robust solution for
complex environmental monitoring applications.
Additionally, the EMC1428 provides a hardware
programmable system shutdown feature that is
programmed at part power-up via a single TRIP_SET
voltage channel that cannot be masked or corrupted
through the SMBus.
The EMC1428 provides ±1° accuracy for external diode
temperatures and ±2°C accuracy for the internal diode
temperature. The device monitors up to eight
temperature channels (up to seven external and one
internal).
Applications
Notebook Computers
Desktop Computers
Industrial
Embedded Applications
Features
Hardware Thermal Shutdown
— triggers dedicated SYS_SHDN pin
— hardware configured range 65°C to 127°C in 1°C steps
— cannot be disabled or modified by software
Supports diodes requiring the BJT or transistor model
Resistance Error Correction (up to 100 Ohms)
Up to seven External Temperature Monitors
— ±1°C Accuracy (60°C < TDIODE < 100°C)
— 0.125°C Resolution
— Supports up to 2.2nF filter capacitor
— Anti-parallel diodes for extra diode support and
compact design
Internal Temperature Monitor
— ±2°C accuracy
3.3V Supply Voltage
Available in a 16-pin 4mm x 4mm QFN RoHS
Compliant package
Programmable temperature limits for ALERT
Block Diagram
2014 Microchip Technology Inc.
DS20005275A-page 1




EMC1428 pdf, 반도체, 판매, 대치품
1°C Multiple Temperature Sensor with HW Thermal Shutdown & Hottest of Thermal Zones
Data Sheet
5.14 Consecutive ALERT Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
5.15 Beta Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.16 Hottest Temperature Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
5.17 Hottest Temperature Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
5.18 High Limit Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
5.19 Low Limit Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
5.20 THERM Limit Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
5.21 REC Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
5.22 Hottest Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
5.23 Channel Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
5.24 Filter Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
5.25 Product ID Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
5.26 Manufacturer ID Register (FEh) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
5.27 Revision Register (FFh). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Chapter 6 Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
6.1 EMC1428 Package Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
6.2 Package Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
6.2.1 EMC1428-X-AP (16-Pin QFN). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Chapter 7 Data Sheet Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
DS20005275A-page 4
2014 Microchip Technology Inc.

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EMC1428 전자부품, 판매, 대치품
1°C Multiple Temperature Sensor with HW Thermal Shutdown & Hottest of Thermal Zones
Data Sheet
Chapter 1 Pin Description
Figure 1.1 EMC1428 Pin Diagram
PIN NUMBER
1
2
3
4
5
Table 1.1 EMC1428 Pin Description
NAME
DP1
DN1
DP2 / DN3
DN2 / DP3
TRIP_SET
FUNCTION
DP1 - External Diode 1 positive
(anode) connection.
External Diode 1 negative (cathode)
connection.
External Diode 2 positive (anode)
connection and External Diode 3
negative (cathode) connection
External diode 2 negative (cathode)
connection and External Diode 3
positive (anode) connection
Voltage input to set Critical / Thermal
Shutdown temperature
2014 Microchip Technology Inc.
TYPE
AIO
AIO
AIO
AIO
AIO
DS20005275A-page 7

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