Avago ACPL-312T 汽车2.5A IGBT栅极驱动方案

Avago 公司的ACPL-312T是包括有AlGaAs LED的汽车用光耦合器,功率输出级的最大峰值电流2.5A,非常适合用来驱动汽油马车控制逆变器和DC/DC转换器的1200 V/100 A的功率IGBT和MOSFET,VCC工作电压15-30V,开关速度500ns, 主要用于汽车马达/ DC/DC转换器,绝缘的IGBT和MOSFET栅极驱动,AC和无刷DC马达驱动,工业逆变器系统和开关电源.本文介绍ACPL-312T主要特性, LED驱动和应用电路和负IGBT栅极驱动电路.

Automotive 2.5 Amp Output Current IGBT Gate Drive Optocoupler
 
The ACPL-312T device contains an AlGaAs LED. The LED is optically coupled to an integrated circuit with a power output stage. This automotive optocoupler is ideally suit­ed for driving power IGBTs and MOSFETs used in automo­tive motor control inverter and DC-DC converters appli­cations. The high operating voltage range of the output stage provides the drive voltages required by gate con­trolled devices. The voltage and current supplied by these optocouplers make them ideally suited for directly driv­ing IGBTs with ratings up to 1200 V/100 A. For IGBTs with higher ratings, the ACPL-312T series can be used to drive a discrete power stage which drives the IGBT gate.

Avago R2Coupler provides with reinforced insulation and reliability that delivers safe signal isolation critical in automotive and high temperature industrial applications...

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