ADT7476 View Datasheet(PDF) - ON Semiconductor

Part Name

Description

Manufacturer

ADT7476

Remote Thermal Controller and Voltage Monitor

ON Semiconductor 

ADT7476

VID5/GPIO5

VID4/GPIO4

VID3/GPIO3

VID2/GPIO2

VID1/GPIO1

VID0/GPIO0

GPIO6

PWM1

PWM2

PWM3

TACH1

TACH2

TACH3

TACH4

THERM

VCC

D1+

D1−

D2+

D2−

+5VIN

+12VIN

+2.5VIN

VCCP

ADDR

ADDREN SELECT SCL SDA SMBALERT

VID/GPIO

REGISTER

SMBus

ADDRESS

SELECTION

PWM REGISTERS

AND CONTROLLERS

(HF AND LF)

AUTOMATIC

FAN SPEED

CONTROL

FAN SPEED

COUNTER

SERIAL BUS

INTERFACE

ADT7476

ADDRESS

POINTER

REGISTER

PWM

CONFIGURATION

REGISTERS

INTERRUPT

MASKING

VCC TO ADT7476

BAND GAP

TEMP. SENSOR

PERFORMANCE

MONITORING

THERMAL

PROTECTION

INPUT

SIGNAL

CONDITIONING

AND

ANALOG

MULTIPLEXER

ACOUSTIC

ENHANCEMENT

CONTROL

10-BIT

ADC

BAND GAP

REFERENCE

INTERRUPT

STATUS

REGISTERS

LIMIT

COMPARATORS

VALUE AND

LIMIT

REGISTERS

GND

Figure 1. Functional Block Diagram

Table 1. ABSOLUTE MAXIMUM RATINGS

Parameter

Rating

Unit

Positive Supply Voltage (VCC)

Maximum Voltage on +12 VIN Pin

Maximum Voltage on +5.0 VIN Pin

Maximum Voltage on All Open-Drain Outputs

3.6

V

16

V

6.25

V

3.6

V

Input Current at Any Pin

±5

mA

Package Input Current

±20

mA

Maximum Junction Temperature (TJ MAX)

Storage Temperature Range

150

°C

−65 to +150

°C

Lead Temperature, Soldering

IR Reflow Peak Temperature

Pb-Free Peak Temperature

Lead Temperature (Soldering, 10 sec)

°C

220

260

300

ESD Rating

1,500

V

Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality

should not be assumed, damage may occur and reliability may be affected.

NOTE: This device is ESD sensitive. Use standard ESD precautions when handling.

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