General Description
The EMC1422 is a high accuracy, low cost, System Management Bus (SMBus) temperature sensor. 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.
Additionally, the EMC1422 provides a hardware programmable system shutdown feature that is programmed at part power-up via two pull-up resistor values and that cannot be masked or corrupted through the SMBus.
Each device provides ±1° accuracy for external diode temperatures and ±2°C accuracy for the internal diode temperature. The EMC1422 monitors two temperature channels (one 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 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.

Features
*Hardware Thermal Shutdown
-triggers dedicated SYS_SHDN pin
-hardware configured range 77°C to 112°C in 1°C steps
-cannot be disabled or modified by software
*Support for diodes requiring the BJT/transistor model
*Designed to support 45nm processors
*Support for 90nm and 65nm CPU diodes
*Pin compatible with ADM1032, MAX6649, and LM99
*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
-Supports up to 2.2nF diode filter capacitor
*Internal Temperature Monitor
-±2°C accuracy
*3.3V Supply Voltage
*Programmable temperature limits for ALERT
*Small 8-pin MSOP Lead-free RoHS Compliant Package

Applications
*Notebook Computers
*Desktop Computers
*Industrial
*Embedded applications

EMC1422-1-ACZL-TR

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General Description
The EMC1046/EMC1047 are high accuracy, low cost, System Management Bus (SMBus) temperature sensors. 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.
Each device provides ±1° accuracy for external diode temperatures and ±2°C accuracy for the internal diode temperature. The EMC1046/EMC1047 monitors up to seven temperature channels (up to six external and one internal).

Features
*Designed to support 45nm, 65nm, and 90nm CPU diodes
*Supports diodes requiring the BJT or transistor model
*Resistance Error Correction (up to 100 Ohms)
*Up to six 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 10 pin TSSOP lead-free RoHS Compliant package

Applications
*Notebook Computers
*Desktop Computers
*Industrial
*Embedded Applications

EMC1046-1-AIZL, EMC1046-6-AIZL, EMC1047-1-AIZL

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General Description
The TC74 is a serially accessible, digital temperature sensor particularly suited for low cost and small formfactor applications. Temperature data is converted from the onboard thermal sensing element and made available as an 8-bit digital word.
Communication with the TC74 is accomplished via a 2-wire SMBus/I2C compatible serial port. This bus also can be used to implement multi-drop/multi-zone monitoring. The SHDN bit in the CONFIG register can be used to activate the low power Standby mode.
Temperature resolution is 1°C. Conversion rate is a nominal 8 samples/sec. During normal operation, the quiescent current is 200 μA (typ). During standby operation, the quiescent current is 5 μA (typ).
Small size, low installed cost and ease of use make the TC74 an ideal choice for implementing thermal management in a variety of systems.

Features
*Digital Temperature Sensing in SOT-23-5 or TO-220 Packages
*Outputs Temperature as an 8-Bit Digital Word
*Simple SMBus/I2C™ Serial Port Interface
*Solid-State Temperature Sensing:
 ±2°C (max.) Accuracy from +25°C to +85°C
 ±3°C (max.) Accuracy from 0°C to +125°C
*Supply Voltage of 2.7V to 5.5V
*Low Power:
 200 μA (typ.) Operating Current
 5 μA (typ.) Standby Mode Current

Applications
*Thermal Protection for Hard Disk Drives and other PC Peripherals
*PC Card Devices for Notebook Computers
*Low Cost Thermostat Controls
*Power Supplies
*Thermistor Replacement

TC74A0-3.3VCT, TC74A1-3.3VCT, TC74A2-3.3VCT, TC74A3-3.3VCT,
TC74A4-3.3VCT, TC74A5-3.3VCT, TC74A6-3.3VCT, TC74A7-3.3VCT

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◆CMOS Low Power Consumption : 8μA (TYP.)
◆Maximum Output Current : More than 500mA
◆Current Limit Circuit Built-In
◆Thermal Shutdown Circuit Built-In
◆Ceramic Capacitor Compatible
◆SOT-89-, SOT-26 Packages

APPLICATIONS
●DVD, CD-ROM, HDD drive equipment
●Portable AV equipment (Cameras, VCRs, etc.)
●Wireless Communication equipment
(Mobile & Cordless phone, etc.)
●Desktop computers, Note book computer, PDAs
●Network equipment (Wireless LAN etc.)
●Reference voltage
●Battery powered equipment

■GENERAL DESCRIPTION
 The XC6214 series are highly precise, low noise, high current, positive voltage low dropout regulators. They are fabricated using Torex’s CMOS process. The series features a voltage
reference, an error amplifier, a current limiter, a thermal protection circuit, and a phase compensation circuit plus a driver transistor.
 
 The output voltage is selectable in 100mV increments within the range of 1.5V to 5.0V. (Output voltage 1.5V, 1.8V, 2.5V, 3.0V and 3.3V are standard products. Other than these voltages are available as semi-custom products.)
The series is also compatible with low ESR ceramic capacitors, which give added output stability. This stability can be maintained even during load fluctuations due to the excellent
transient response of the series.

 The over current protection circuit and the thermal shutdown circuit are built in. The over current protection circuit will operate when the output current reaches current limit level.
The thermal shutdown circuit will operate when the junction temperature reaches temperature limit level.

■FEATURES
Maximum Output Current : More than 500mA (800mA limit)
Dropout Voltage : 500mV @ IOUT = 500mA (VOUT=3.3V)
Operating Voltage Range : 1.8V ~ 6.0V
Output Voltage : 1.5V, 1.8V, 2.5V, 3.0V, 3.3V (standard) Other voltages between 1.5V to 5.0V (semi-custom)
High Accuracy : Setting voltage accuracy ±2%
Low Power Consumption: 8μA (TYP.)
Ripple Rejection Rate: 40dB @ 1kHz
Operating Temperature Range : - 40℃ ~ 85℃
Packages : SOT-26 SOT-89

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Using its expertise in LSI technology, ROHM has developed new high density driver chips for use in the KD3002-DF10A .
Capable of being employed for both thermal and thermal transfer printing, with a print speed of 200mm/s, the resulting print heads are the fastest in their class. The high-speed and high-density printing answers the needs of ATM, kiosk and ticket printing devices, which are increasingly being called upon to produce graphical output.

* Applications
Label printers
Ticket printers
Terminal printers

* Features
1) The use of a special partial glaze and the latest heating element structure, along with new high-density driver chips that can accept big current, has allowed ROHM to achieve print speeds of 200mm/s with using thermal history control, the fastest in its class.
2) One rank resistance value of 1000Ω ± 3% eliminates the inconvenience of rank selection.
3) The required driving voltage of 3.15 to 5.25V allows wide range of power supply voltage setting. This also allows multiple choice of electronic components for printers.
4) 2-inch, 3-inch, 4-inch and 8-inch series are available.

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