A89120/A89121は、要求の厳しい用途のBLDCモータ制御に最適化された大電流3相MOSFETドライバです。広動作電圧範囲、調整可能なゲート ドライブ、内蔵の電流検出、堅牢な保護の機能を備えています。 A89120は最大58Vに対応し、A89121は最大85Vに対応します。
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
