EMC1212

更新时间： 2024-12-01 04:17:31

品牌	Logo	应用领域
SMSC		电池
页数	文件大小	规格书
13页	591K
描述
BBUS Compliant Dual Temperature Monitor with Beta Compensation

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EMC1212 数据手册

EMC1212

BBUS Compliant Dual

Temperature Monitor

with Beta Compensation

Datasheet

PRODUCT FEATURES

GENERAL DESCRIPTION

APPLICATIONS

The EMC1212 is a temperature sensor that

communicates with a host over a single-wire SMSC

BudgetBus™ Sensor Interface. The EMC1212 monitors

one internal diode and one remote temperature zone.

Packaged in a SOT23-5, the EMC1212 provides an

accurate, low-cost, low-current, solution for critical

temperature monitoring in applications such as

embedded systems or computers. When used in

combination with an SMSC Super I/O host, such as a

keyboard controller, a complete thermal management

system is created. A power down mode extends battery

life in portable applications. The internal 11-bit sigma

delta temperature-to-digital converter provides superb

linearity, high accuracy and excellent noise immunity.

Desktop and Notebook Computers

Hardware Management

FEATURES

Single Wire BBUS Interface

Resistance Error Correction

Beta Compensation

External Temperature Monitor

—

0.125°C resolution

±1°C Accuracy 60°C to 100°C

Diode Fault Reporting

Internal Temperature Monitor

—

Range 0°C to +85°C

0.125°C resolution

±1.5°C Accuracy 50°C to 70°C

The EMC1212 is designed to operate with 65nm or

90nm PNP substrate transistor used as a thermal diode

with the collector connected to ground.

Supply:

—

3.0V to 3.6V

—

<5uA in Standby

SIMPLIFIED BLOCK DIAGRAM

EMC1212

Switching

Current

Local Temp

Diode

Analog Mux

and

anti-aliasing

filter

Beta

Comp

11-bit

delta-sigma

ADC

Temperature

Registers

REC

BBUS

Interface

BBUS

SMSC EMC1212

DATASHEET

Revision 1.1 (02-07-07)

12 3 4 5 6 7...13

中文翻译

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