TMP464 datasheet(3/42 Pages) TI2

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SDA

THERM2

D4+

THERM

D3+

ADD

Not to scale

Thermal Pad

TMP464

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SBOS835C – MAY 2017 – REVISED OCTOBER 2019

Product Folder Links: TMP464

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5 Pin Configuration and Functions

TMP464 RGT Package

16-Pin VQFN With Exposed Thermal Pad

Top View

NC - No internal connection

Pin Functions

TYPE

DESCRIPTION

NAME

NO.

ADD

Digital Input

Address select. Connect to GND, V+, SDA, or SCL.

D1+

Analog input

Positive connection to remote temperature sensors. A total of 4 remote channels are

supported. An unused channel must be connected to D–.

D2+

Analog input

Positive connection to remote temperature sensors. A total of 4 remote channels are

supported. An unused channel must be connected to D–.

D3+

Analog input

Positive connection to remote temperature sensors. A total of 4 remote channels are

supported. An unused channel must be connected to D–.

D4+

Analog input

Positive connection to remote temperature sensors. A total of 4 remote channels are

supported. An unused channel must be connected to D–.

D–

Analog input

Negative connection to remote temperature sensors. Common for 4 remote channels.

GND

Ground

Supply ground connection

1, 2, 15, 16

—

No connection, may be left floating or connected to GND or V+

SCL

Digital input

Serial clock line for I2C or SMBus compatible two-wire interface.

Input; requires a pullup resistor to a voltage between 1.7 V and 3.6 V (not necessarily V+) if

driven by an open-drain output.

SDA

Bidirectional digital

input-output

Serial data line for I2C- or SMBus compatible two-wire interface. Open-drain; requires a pullup

resistor to a voltage between 1.7 V and 3.6 V, not necessarily V+.

THERM

Digital output

Thermal shutdown or fan-control pin.

Active low; open-drain; requires a pullup resistor to a voltage between 1.7 V and 3.6 V, not

necessarily V+. If this pin is not used it may be left open or grounded.

THERM2

Digital output

Second THERM output.

Active low; open-drain; requires a pullup resistor to a voltage between 1.7 V and 3.6 V, not

necessarily V+. If this pin is not used it may be left open or grounded.

V+

Power supply

Positive supply voltage, 1.7 V to 3.6 V; requires 0.1-µF bypass capacitor to ground.

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