A89120/1 是一款面向高要求应用、专为 BLDC 电机控制优化的大电流三相 MOSFET 驱动器。具有宽电压工作范围、可调节栅极驱动、集成电流感测和可靠的保护功能。A89120 最高支持 58V 电压，A89121 最高支持 85V 电压。
Product Details
Product Details
Top Features
- 5.5 V to 85 V supply voltage operating range (A89121)
- 5.5 V to 58 V supply voltage operating range (A89120)
- 3.3 V or 5 V low quiescent current (IQ; typically, 8.5 µA) low-dropout (LDO) regulator, active during sleep mode
- Charge pump for low supply voltage operation
- Cross-conduction protection with adjustable dead time
- Bridge control by direct logic inputs for maximum flexibility
- Low side current sense amplifier (1 us settling time) with adjustable gain & offset
- VDS (FET short), Undervoltage lockout, and thermal shutdown diagnostic with fault output
Target Application
