Datasheet > SI88421BD-IS

SI88421BD-IS

更新时间： 2024-11-22 01:00:51

品牌	Logo	应用领域
芯科 - SILICON		DC-DC转换器
页数	文件大小	规格书
45页	768K
描述
DUAL DIGITAL ISOLATORS WITH DC-DC CONVERTER

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中文翻译

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SI88421BD-IS 数据手册

Si88x2x

DUAL DIGITAL ISOLATORS WITH DC-DC CONVERTER

Features



High-speed isolators with

integrated dc-dc converter

Fully-integrated secondary sensing



Highly-reliable: 100 year lifetime

High electromagnetic immunity and

ultra-low emissions



feedback-controlled converter with  RoHS compliant packages

dithering for low EMI

SOIC-20 wide body

SOIC-16 wide body

Isolation of up to 5000 Vrms

High transient immunity of

100 kV/µs (typical)



dc-dc converter peak efficiency of

83% with external power switch

Up to 5 W isolated power with

external power switch



Ordering Information:

Options include dc-dc shutdown,

frequency control, and soft start

Standard Voltage Conversion

3/5 V to isolated 3/5 V

24 V to isolated 3/5 V supported

Precise timing on digital isolators

0–100 Mbps



AEC-Q100 qualified

Wide temp range

–40 to +125 °C

See page 36.

Pin Assignments

See page 31



18 ns typical prop delay

GNDP

RSN

GNDB

VDDB

VREGB

Applications

ESW



Industrial automation systems

Hybrid electric and electric

vehicles

Isolated power supplies

Inverters



Data acquisition

Motor control

PLCs, distributed control systems

VDDA

GNDA

VREGA

SH_FC

17 NC

VSNS

15 COMP



XMTR

RCVR

Safety Approval (Pending)

XMTR

RCVR

11 B2



UL 1577 recognized

Up to 5000 Vrms for 1 minute

CSA component notice 5A

approval



VDE certification conformity

VDE0884-10

CQC certification approval

GB4943.1

Si88620



Patents pending

Description

The Si88xx integrates Silicon Labs’ proven digital isolator technology with an

on-chip isolated dc-dc converter that provides regulated output voltages of

3.3 or 5.0 V (or >5 V with external components) at peak output power levels

of up to 5 W. These devices provide up to two digital channels. The dc-dc

converter has user-adjustable frequency for minimizing emissions, a soft-start

function for safety, a shutdown option and loop compensation. The device

requires only minimal passive components and a miniature transformer.

The ultra-low-power digital isolation channels offer substantial data rate,

propagation delay, size and reliability advantages over legacy isolation

technologies. Data rates up to 100 Mbps max are supported, and all devices

achieve propagation delays of only 23 ns max. Ordering options include a

choice of dc-dc converter features, isolation channel configurations and a fail-

safe mode. All products are certified by UL, CSA, VDE, and CQC.

Rev. 0.5 7/15

Si88x2x

This information applies to a product under development. Its characteristics and specifications are subject to change without notice.

12 3 4 5 6 7...45

中文翻译

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与SI88421BD-IS相关器件

型号	品牌	获取价格	描述	数据表
SI88421ED-IS	SILICON	获取价格	DUAL DIGITAL ISOLATORS WITH DC-DC CONVERTER
SI88422BD-IS	SILICON	获取价格	DUAL DIGITAL ISOLATORS WITH DC-DC CONVERTER
SI88422ED-IS	SILICON	获取价格	DUAL DIGITAL ISOLATORS WITH DC-DC CONVERTER
SI88440EC-IS	SILICON	获取价格	Analog Circuit,
SI88440EC-ISR	SILICON	获取价格	Analog Circuit,
SI88440ED-IS	SILICON	获取价格	Analog Circuit,
SI88441ED-IS	SILICON	获取价格	QUAD DIGITAL ISOLATORS WITH DC-DC CONVERTER
SI88442ED-IS	SILICON	获取价格	QUAD DIGITAL ISOLATORS WITH DC-DC CONVERTER
SI88443ED-IS	SILICON	获取价格	QUAD DIGITAL ISOLATORS WITH DC-DC CONVERTER
SI88444ED-IS	SILICON	获取价格	QUAD DIGITAL ISOLATORS WITH DC-DC CONVERTER

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