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MAX6678AEP92+

更新时间： 2024-09-16 12:58:19

品牌	Logo	应用领域
美信 - MAXIM		风扇传感器换能器温度传感器输出元件控制器
页数	文件大小	规格书
19页	690K
描述
Serial Switch/Digital Sensor, 8 Bit(s), 1Cel, Rectangular, Surface Mount, 0.150 INCH, 0.025 INCH PITCH, MO-137, QSOP-20

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MAX6678AEP92+ 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.31.00.01	风险等级：	5.74
Is Samacsys：	N	最大精度（摄氏度）：	1 Cel
主体宽度：	3.9 mm	主体高度：	1.72 mm
主体长度或直径：	4.89 mm	外壳：	PLASTIC
JESD-609代码：	e3	安装特点：	SURFACE MOUNT
位数：	8	最大工作电流：	0.5 mA
输出接口类型：	2-WIRE INTERFACE	封装形状/形式：	RECTANGULAR
传感器/换能器类型：	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL	表面贴装：	YES
端子面层：	Matte Tin (Sn)	端接类型：	SOLDER
Base Number Matches：	1

MAX6678AEP92+ 数据手册

19-3306; Rev 0; 5/04

2-Channel Temperature Monitor with Dual Automatic

PWM Fan-Speed Controller and Five GPIOs

General Description

Features

The MAX6678 monitors its own temperature and the

temperatures of two external diode-connected transis-

tors, which typically reside on the die of a CPU or other

integrated circuit. The device reports temperature values

in digital form using a 2-wire serial interface. The

MAX6678 provides a programmable alarm output to gen-

erate interrupts, throttle signals, or overtemperature shut-

down signals.

♦ Two Thermal-Diode Inputs

♦ Local Temperature Sensor

♦ Five GPIO Input/Outputs

♦ Two PWM Outputs for Fan Drive (Open Drain; May

Be Pulled Up to +5V)

♦ Programmable Fan-Control Characteristics

♦ Automatic Fan Spin-Up Ensures Fan Start

The 2-wire serial interface accepts standard System

Management Bus (SMBus)^™write byte, read byte, send

byte, and receive byte commands to read the tempera-

ture data and program the alarm thresholds. The tem-

perature data controls a PWM output signal to adjust

the speed of a cooling fan, thereby minimizing noise

when the system is running cool, but providing maxi-

mum cooling when power dissipation increases.

♦ Controlled Rate of Change Ensures Unobtrusive

Fan-Speed Adjustments

♦ 1°C Remote Temperature Accuracy (+60°C to

+145°C)

♦ Temperature Monitoring Begins at POR for Fail-

Five GPIO pins provide additional flexibility. The GPIO

power-up states are set by connecting the GPIO preset

Safe System Protection

♦ OT Output for Throttling or Shutdown

inputs to ground or V

♦ Four Versions Available, Each with a Different

The MAX6678 is available in a 20-pin QSOP package

and a 5mm x 5mm thin QFN package. It operates from

3.0V to 5.5V and consumes just 500µA of supply current.

Address

♦ 5mm x 5mm TQFN Package

Ordering Information

Applications

Desktop Computers

Notebook Computers

Workstations

Servers

Networking Equipment

PIN-

SMBus

PART

TEMP RANGE

PACKAGE ADDRESS

MAX6678AEP90 -40°C to +125°C 20 QSOP

MAX6678AEP92 -40°C to +125°C 20 QSOP

MAX6678AEP94 -40°C to +125°C 20 QSOP

MAX6678AEP96 -40°C to +125°C 20 QSOP

1001000

1001001

1001010

1001011

SMBus is a trademark of Intel Corp.

Pin Configurations

20 Thin

MAX6678ATP90 -40°C to +125°C

QFN-EP*

1001000

1001001

1001010

1001011

20 Thin

MAX6678ATP92 -40°C to +125°C

QFN-EP*

TOP VIEW

20 19 18 17 16

20 Thin

MAX6678ATP94 -40°C to +125°C

QFN-EP*

SMBDATA

SMBCLK

GPIO4

15 OT

14 GPIO1

13 GPIO2

12 GPIO3

20 Thin

MAX6678ATP96 -40°C to +125°C

QFN-EP*

MAX6678

PRESET4

DXP1

*EP = Exposed paddle.

*CONNECT EXPOSED

PADDLE TO GND

PRESET0

5mm x 5mm THIN QFN

Typical Operating Circuit appears at end of data sheet.

Pin Configurations continued at end of data sheet.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...19

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与MAX6678AEP92+相关器件

型号	品牌	获取价格	描述	数据表
MAX6678AEP92-T	MAXIM	获取价格	Serial Switch/Digital Sensor, 8 Bit(s), 1Cel, Rectangular, Surface Mount, 0.150 INCH, 0.02
MAX6678AEP94	MAXIM	获取价格	2-Channel Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs
MAX6678AEP94+	MAXIM	获取价格	Serial Switch/Digital Sensor, 8 Bit(s), 1Cel, Rectangular, Surface Mount, 0.150 INCH, 0.02
MAX6678AEP96	MAXIM	获取价格	2-Channel Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs
MAX6678AEP96+	MAXIM	获取价格	Serial Switch/Digital Sensor, 8 Bit(s), 1Cel, Rectangular, Surface Mount, 0.150 INCH, 0.02
MAX6678AEP96-T	MAXIM	获取价格	Serial Switch/Digital Sensor, 8 Bit(s), 1Cel, Rectangular, Surface Mount, 0.150 INCH, 0.02
MAX6678ATP90	MAXIM	获取价格	2-Channel Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs
MAX6678ATP90-T	MAXIM	获取价格	Serial Switch/Digital Sensor, 8 Bit(s), 1Cel, Square, Surface Mount, 5 X 5 MM, 0.80 MM HEI
MAX6678ATP92	MAXIM	获取价格	2-Channel Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs
MAX6678ATP92-T	MAXIM	获取价格	Serial Switch/Digital Sensor, 8 Bit(s), 1Cel, Square, Surface Mount, 5 X 5 MM, 0.80 MM HEI

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