TMP139AIYAHT datasheet(1/58 Pages) TI

Teilenummer	TMP139AIYAHT

Bauteilbeschribung	TMP139 0.5 째C Accuracy, JEDEC DDR5 Grade B, Digital Temperature Sensor With I2C and I3C Interface

PDF	58 Pages

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Hersteller	TI [Texas Instruments]

Direct Link	http://www.ti.com

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TMP139 0.5 °C Accuracy, JEDEC DDR5 Grade B, Digital Temperature Sensor With I2C

and I3C Interface

1 Features

• Supports JEDEC JESD302-1 DDR5 Grade B

temperature sensor

• Exceeds JEDEC temperature accuracy

specification:

– ±0.25 °C typical

– ±0.5 °C maximum (+75 °C to +95 °C)

– ±0.75 °C maximum (–40 °C to +125 °C)

• Operating temperature range: –40 °C to +125 °C

• Low power consumption:

– 4.7-µA typical average quiescent current

– 0.6-µA typical standby current

• I/O power supply of 1 V

• Core power supply of 1.8 V

• Two wire serial bus interface (I2C and I3C basic

operation modes)

• Up to 12.5-MHz data transfer rate in I3C basic

mode

• In Band Interrupt (IBI) for alerting host

• Parity error check function for host writes

• Packet error check function for host read and

writes

• 11-bit resolution: 0.25 °C (1 LSB)

• Standard 6-ball DSBGA (WCSP) package with

0.5-mm pitch

2 Applications

• DDR5 DIMM modules

• Server

• Laptops

• Workstations

• SSDs

3 Description

The TMP139 is a high-accuracy temperature sensor

with an I2C / I3C compliant digital interface supporting

In Band Interrupts (IBI). Supporting the interface

requirements of JEDEC JESD302-1 for Grade-B

devices, the TMP139 exceeds the temperature

accuracy requirements of the specification, enabling

higher

performance

DDR5

memory

modules.

Available in a compact 6-ball DSBGA package,

TMP139 is designed for high-speed, high-accuracy

and low-power thermal monitoring applications.

The TMP139 has a typical accuracy of ±0.25 °C over

the entire temperature range from –40 °C to +125 °C

and offers an on-chip 11-bit analog-to-digital converter

(ADC) providing a temperature resolution of 0.25 °C.

The TMP139 is designed to operate from a core

power supply of 1.8 V and I/O power supply of 1 V,

with a low typical average quiescent current of 4.7 µA

when performing conversions every 125 ms.

Table 3-1. Device Information

PART NUMBER

PACKAGE(1)

BODY SIZE (NOM)

TMP139

DSBGA (6)

1.328 mm × 0.828

mm

(1)

For all available packages, see the orderable addendum at

the end of the data sheet.

TMP139

V

DD IO = 1.0V

V

DD SPD = 1.8V

SDA

SCL

V

DDIO

V

DDSPD

VSS

SA

TMP139

SDA

SCL

V

DDIO

V

DDSPD

VSS

SA

LSCL

LSDA

SPD Hub

Local Sideband Bus

Figure 3-1. Simplified Schematic

www.ti.com

TMP139

SNIS217 – DECEMBER 2020

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SNIS217 – DECEMBER 2020

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

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