MAX6656MEE+T

更新时间： 2024-11-26 13:10:59

品牌	Logo	应用领域
美信 - MAXIM		传感器温度传感器监视器
页数	文件大小	规格书
18页	254K
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MAX6656MEE+T 数据手册

19-2117; Rev 0; 7/01

Dual Remote/Local Temperature Sensors and

Four-Channel Voltage Monitors

General Description

Features

The MAX6655/MAX6656 are precise voltage and tem-

perature monitors. The digital thermometer reports the

temperature of two remote sensors and its own die tem-

perature. The remote sensors are diode-connected

transistors—typically a low-cost, easily mounted

2N3906 PNP type—that replace conventional thermis-

tors or thermocouples. Remote accuracy is ±±1° for

multiple transistor manufacturers with no calibration

necessary. The remote channels can also measure the

die temperature of other I°s, such as microprocessors,

that contain a substrate-connected PNP with its collec-

tor grounded and its base and emitter available for tem-

perature-sensing purposes. The temperature is

digitized with ±±-bit resolution.

ꢀ Three Temperature Channels

Two Remote PN Junctions

One Local Sensor

ꢀ Four Voltage Channels

+12V, +5V, +3.3V, +2.5V

Three External Monitors

One Internal Supply Monitor

ꢀ 11-Bit, 0.125°C Resolution

ꢀ High Accuracy: 1°C Oꢀer +ꢁ0°C to +100°C

Temperature Range

ꢀ Programmable Under/Oꢀer-Threshold Alarms

ꢀ Programmable Power-Saꢀing Mode

ꢀ No Calibration Required

The MAX6655/MAX6656 also measure their own supply

voltage and three external voltages with 8-bit resolution.

Each voltage input’s sensitivity is set to give approxi-

mately 3/4-scale output code when the input voltage is

at its nominal value. The MAX6655 operates at +5V

supply and its second voltage monitor is 3.3V. The

MAX6656 operates on a +3.3V supply and its second

voltage monitor is 5V.

ꢀ SMBus/I²C™-Compatible Interface

ꢀ OVERT Output for Fan Control and System

Shutdown

The 2-wire serial interface accepts standard SMBus™

Write Byte, Read Byte, Send Byte, and Receive Byte

commands to program the alarm thresholds and to

read data. The MAX6655/MAX6656 also provide

SMBus alert response and timeout functions. The

MAX6655/MAX6656 measure automatically and

autonomously, with the conversion rate programmable.

The adjustable rate allows the user to control the supply

current.

Ordering Information

PART

TEMP. RANGE

-55°C to +125°C

PIN-PACKAGE

MAX6655MEE

MAX6656MEE

16 QSOP

Typical Application Circuit appears at end of data sheet.

In addition to the SMBus ALERT output, the MAX6655/

MAX6656 feature an OVERT output, which is used as a

temperature reset that remains active only while the

temperature is above the maximum temperature limit.

The OVERT output is optimal for fan control or for sys-

tem shutdown.

Pin Configuration

TOP VIEW

Applications

16 STBY

DXP1

DXN1

ADD0

ADD1

DXP2

DXN2

GND

15 SMBCLK

14 OVERT

13 SMBDATA

12 ALERT

Notebooks

Thin °lients

MAX6655

MAX6656

Servers

Workstations

°ommunication Equipment

Desktop P°

IN2

IN1

IN3

SMBus is a trademark of Intel Corp.

QSOP

I C is a trademark of Philips Corp.

________________________________________________________________ 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...18

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MAX6656MEE+T 替代型号

型号	品牌	替代类型	描述	数据表
MAX6656MEE+	MAXIM	类似代替	Power Supply Support Circuit, Adjustable, 4 Channel, BICMOS, PDSO16, QSOP-16
MAX6656MEE-T	MAXIM	功能相似	Power Supply Support Circuit, Adjustable, 4 Channel, BICMOS, PDSO16, 0.150 INCH, 0.025 INC

与MAX6656MEE+T相关器件

型号	品牌	获取价格	描述	数据表
MAX6656MEE-G05	MAXIM	获取价格	Power Supply Support Circuit
MAX6656MEE-T	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 4 Channel, BICMOS, PDSO16, 0.150 INCH, 0.025 INC
MAX6656MEE-T	ROCHESTER	获取价格	4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16, 0.150 INCH, 0.025 INCH PITCH, MO-137AB, QSOP-1
MAX6656MEE-TG05	MAXIM	获取价格	Power Supply Support Circuit
MAX6657	MAXIM	获取价格	【1∑C, SMBus-Compatible Remote/Local Temperatu
MAX6657	ADI	获取价格	±1°C、SMBus兼容、远端/本地温度传感器，带有过温报警
MAX6657_10	MAXIM	获取价格	1°C, SMBus-Compatible Remote/Local Temperatur
MAX6657-MAX6659	MAXIM	获取价格	【1∑C, SMBus-Compatible Remote/Local Temperatu
MAX6657MSA	MAXIM	获取价格	【1∑C, SMBus-Compatible Remote/Local Temperatu
MAX6657MSA+	MAXIM	获取价格	Serial Switch/Digital Sensor, 11 Bit(s), 1Cel, BICMOS, Rectangular, 8 Pin, Surface Mount,

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