Datasheet > ISO1640

ISO1640

更新时间： 2024-12-02 02:47:07

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德州仪器 - TI		/
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ISO164x Hot-Swappable Bidirectional I2C Isolators with Enhanced EMC and GPIOs

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ISO1640 数据手册

ISO1640, ISO1641, ISO1642, ISO1643, ISO1644

SLLSFC2D – DECEMBER 2020 – REVISED SEPTEMBER 2021

ISO164x Hot-Swappable Bidirectional I2C Isolators with Enhanced EMC and GPIOs

1 Features

3 Description

•

Robust Isolated Bidirectional, I²C Compatible,

Communication

– ISO1640: Bidirectional SDA and SCL

communication

– ISO1641: Bidirectional SDA and unidirectional

SCL communication

– ISO1642/3/4: Bidirectional SDA and SCL

communication with either 2 or 3 unidirectional

GPIO channels

– Hot-Swappable SDA and SCL

Bidirectional data transfer up to 1.7 MHz Operation

Up to 3 additional unidirectional isolated GPIO

channels supporting 50 Mbps speed

Robust isolation barrier with enhanced EMC:

– >100-year projected lifetime at 450 V_RMS

working voltage (D-8) and 1500 V_RMSworking

voltage (DW-16)

– Up to 5000 V_RMSisolation rating per UL1577

– Up to 10 kV reinforced surge capability

– ±100 kV/μs typical CMTI

– ±8 kV IEC-ESD 61000-4-2 contact discharge

protection across isolation barrier

– Same side ±8 kV IEC-ESD unpowered contact

discharge on SCL2 and SDA2 (Side 2)

Supply range: 3 V to 5.5 V (Side 1) and 2.25 V to

5.5 V (Side 2)

The ISO1640, ISO1641, ISO1642, ISO1643 and

ISO1644 (ISO164x) devices are hot swappable, low-

power, bidirectional isolators that are compatible

with I²C interfaces. The ISO164x supports UL 1577

isolation ratings of 5000 V_RMSin the 16-DW package,

and 3000 V_RMSin the 8-D package. Each I²C

isolation channel in this low emissions device has

a logic input and open drain output separated by

a double capacitive silicon dioxide (SiO₂) insulation

barrier. The ISO1642 and ISO1643 intregrates 2

unidirectional CMOS isolation channels, while the

ISO1644 intregrates 3 unidirectional CMOS isolation

channels which can be used for static GPIO isolation

or to isolate a Serial Peripheral Interface (SPI) bus.

This family includes basic and reinforced insulation

devices certified by VDE, UL, CSA, TUV and CQC.

The ISO1640/2/3/4 have two isolated bidirectional

channels for clock and data lines and the ISO1641

has a bidirectional data and a unidirectional clock

channel. The ISO164x family integrates logic required

to support bidirectional channels, providing a much

simpler design and smaller footprint when compared

to optocoupler-based solutions.

•

Device Information⁽¹⁾

•

PART NUMBER

PACKAGE

BODY SIZE (NOM)

ISO1640BD

ISO1641BD

SOIC (8)

4.90 mm × 3.91 mm

Open-drain outputs with 3.5-mA (Side 1) and 50-

mA (Side 2) current-sink capability

Max capacitive load: 80 pF (Side 1) and 400 pF

(Side 2)

16-SOIC (DW-16) and 8-SOIC (D-8) Package

Options

–40°C to +125°C Operating Temperature

Safety-Related Certifications (planned):

– UL 1577 Component Recognition Program

– DIN VDE V 0884-11

ISO1640DW

ISO1641DW

ISO1642DW

ISO1643DW

ISO1644DW

SOIC (16)

10.30 mm × 7.50 mm

•

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Isolation Options

– IEC 62368-1, IEC 61010-1, IEC 60601-1 and

GB4943.1-2011 certifications

PART NUMBER

Protection Level

Surge Test Voltage

Isolation Rating

ISO164xBD

ISO164xDW

Reinforced

10000 V_PK

5000 V_RMS

Basic

2 Applications

6500 V_PK

3000 V_RMS

•

Isolated I²C Buses

Isolated I²C and SPI Buses

SMBus and PMBus Interfaces

Power Over Ethernet (PoE)

Motor Control Systems

Battery Management

450 V_RMS/ 637 1500 V_RMS/ 2121

V_PKV_PK

Working Voltage

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.

12 3 4 5 6 7...55

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与ISO1640相关器件

型号	品牌	获取价格	描述	数据表
ISO1640_V01	TI	获取价格	ISO164x Hot-Swappable Bidirectional I2C Isolators with Enhanced EMC and GPIOs
ISO1640_V02	TI	获取价格	ISO164x Hot-Swappable Bidirectional I2C Isolators with Enhanced EMC and GPIOs
ISO1640_V03	TI	获取价格	ISO164x Hot-Swappable Bidirectional I2C Isolators with Enhanced EMC and GPIOs
ISO1640BD	TI	获取价格	ISO164x Hot-Swappable Bidirectional I2C Isolators with Enhanced EMC and GPIOs
ISO1640BD-Q1	TI	获取价格	ISO164x-Q1 Automotive, Hot-Swappable Bidirectional I2C Isolators with Enhanced EMC
ISO1640BDR	TI	获取价格	ISO164x Hot-Swappable Bidirectional I2C Isolators with Enhanced EMC and GPIOs
ISO1640BQDRQ1	TI	获取价格	ISO164x-Q1 Automotive, Hot-Swappable Bidirectional I2C Isolators with Enhanced EMC
ISO1640DW	TI	获取价格	ISO164x Hot-Swappable Bidirectional I2C Isolators with Enhanced EMC and GPIOs
ISO1640DW-Q1	TI	获取价格	ISO164x-Q1 Automotive, Hot-Swappable Bidirectional I2C Isolators with Enhanced EMC
ISO1640DWR	TI	获取价格	ISO164x Hot-Swappable Bidirectional I2C Isolators with Enhanced EMC and GPIOs

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