Datasheet > SI8751AB-ISR

SI8751AB-ISR

更新时间： 2024-11-09 19:48:07

品牌	Logo	应用领域
芯科 - SILICON		接口集成电路
页数	文件大小	规格书
27页	605K
描述
Interface Circuit,

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技术参数
数据手册
替代型号

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SI8751AB-ISR 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	Reach Compliance Code：	compliant
HTS代码：	8542.39.00.01	风险等级：	1.63
接口集成电路类型：	INTERFACE CIRCUIT	峰值回流温度（摄氏度）：	NOT SPECIFIED
处于峰值回流温度下的最长时间：	NOT SPECIFIED	Base Number Matches：	1

SI8751AB-ISR 数据手册

Si8751/52 Data Sheet

Isolated FET Driver with Pin Control or Diode Emulator Inputs

KEY FEATURES

The Si875x enables new pathways to creating custom solid state relay (SSR) configura-

tions. Supporting customer-selected external FETs, the Si875x combines robust isolation

technology with an SSR FET driver to form a complete, isolated switch. Versatile inputs pro-

vide digital CMOS pin control (Si8751) or diode emulation (Si8752) to best suit the applica-

tion, plus flexible outputs to support driving ac or dc load configurations. A floating secon-

dary side dc voltage source is unnecessary as the product generates its own self-contained

gate drive output voltage, reducing cost, size, and complexity.

• Digital CMOS input option

• Diode emulation input option

• 10 V output with 1 mA input current

• As fast as 94 µs turn-on time

• Internally-generated secondary side

power supply

• Miller clamp cap support for reducing

inductive chatter

The Si875x eliminates the need for bulky mechanical relays which can be difficult to assem-

ble onto PCBs and add switching noise to the system. Further, with the customer selecting

their own flexible FET switch, the design can be completely optimized for the application's

power, cost, and performance requirements. Traditional SSRs also integrate optocoupler-

style LED inputs, which limit the operating temperature range of the solution, but the Si875x,

with its input diode emulator or digital input control, experiences no such limitation and can

support full industrial and automotive temperature ranges with increased stability and longer

life.

• DC or AC load switching support

• Drives user-selected external FETs

• 2.5 kVrms isolation rating

• UL, CSA, VDE, and CQC certifications

(pending)

• AEC-Q100 qualified

• Industrial –40 to 105 °C or Automotive

–40 to 125 °C temperature ranges

The Si875x drives FET gates with a nominal 10 V using as little as 1 mA input current. In-

creasing the input current to 10 mA enables turn-on times as fast as 94 µs. Input side vol-

tages on the Si8751 are flexible from 2.25 V to 5.5 V supporting seamless connection to

low-power controllers. The Si875x devices provide a clamping device to prevent unintended

turn-on of the external FET when a high dV/dt is present on the FET’s drain.

• ROHS-compliant SOIC-8 Package

APPLICATIONS

• Motor Controls

The Si875x is qualified to the AEC-Q100 standard, making it suitable for automotive applica-

tions. Further, its 2.5 kVrms isolation rating forms the basis for full certification to UL, CSA,

VDE, and CQC (pending).

• Valve Controls

• HVAC Relays

• HEV/EV Automotive Charging

• Battery Monitoring

• AC Mains Line Switching

Applications include mechanical relay , photo switch, or SSR replacement in motor control,

valve control, HVAC relay, automotive, charging, battery monitoring, ac mains line switch-

ing, and more.

The Si8751 and Si8752 come in ROHS-compliant SOIC-8 packaging, providing a compact,

industry-standard footprint and generous margin to creepage and clearance requirements.

silabs.com | Smart. Connected. Energy-friendly.

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

Preliminary Rev. 0.5

12 3 4 5 6 7...27

中文翻译

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SI8751AB-ISR 替代型号

型号	品牌	替代类型	描述	数据表
SI8751AB-IS	SILICON	完全替代	Interface Circuit,

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