Datasheet > JTAC201M

JTAC201M

更新时间： 2024-11-16 14:52:15

品牌	Logo	应用领域
捷捷微 - JJM		驱动可控硅
页数	文件大小	规格书
10页	1065K
描述
可控硅过零检测驱动

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数据手册

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JTAC201M 数据手册

JIEJIE MICROELECTRONICS CO., LTD.

JTAC20xM CMOS Zero-crossing Detection Chip

Rev.1.0

Description

JTAC20xM is a thyristor driver with zero-crossing detection function built-in. Several protection

features are embedded to ensure reliable and safe system operations: over-temperature shut-down,

over-voltage clamping. The device is powered from VDD pin. As soon as the change in the

polarity of the V_ACline voltage (i.e. zero point) appeared at ZCD pin is detected, the external thyristor

can be triggered almost instantly. Eliminating the dead angle of thyristor in the traditional drive

circuit and reducing the influence of EMI on the power supply. In practice, the device allows any

MCU implemented in low-voltage CMOS process to operate a thyristor which typically cannot be

triggered properly by CMOS-level control signal. After the chip detects the zero-crossing signal

(Mode 1 and Mode 3), the GATE will automatically pull up to the VDD value if EN is not enabled,

then improving the anti-interference ability of the thyristor.

Characteristic

Application Range

Zero-crossing detection

Enhanced ESD performance

Over-temperature shut-down

VDD over-voltage clamping

Negative output

Home appliances

Electric Power Tool

Industrial control

Logic Diagram

GATE

ESD

I_BIAS& V_REF

UVLO & OVP

Clamp

OTP

LOGIC

ZCD

UVLO & OVP

Driver

ZE RO

GND

VDD

TEL：+86(513)6852-8666

http://www.jjwdz.com

12 3 4 5 6 7...10

中文翻译

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