The A89120/1 is a high-current, three-phase MOSFET driver optimized for BLDC motor control in demanding applications. It features a wide operating voltage range, adjustable gate drive, integrated current sensing, and robust protection features. The A89120 supports up to 58V, while the A89121 handles up to 85V.
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
