3-Phase Half-Bridge Gate-Drive IC FAN73894 Description The FAN73894 is a monolithic threephase halfbridge gatedrive www.onsemi.com IC designed for highvoltage, highspeed, driving MOSFETs and IGBTs operating up to +600 V. ON Semiconductors highvoltage process and commonmode noisecanceling technique provide stable operation of highside drivers under highdV /dt noise circumstances. s An advanced levelshift circuit allows highside gate driver operation up to V = 9.8 V (typical) for V = 15 V. S BS SOIC28, 300 mils The protection functions include undervoltage lockout, interlock CASE 751BM01 function and inverter overcurrent trip with an automatic faultclear function. Overcurrent protection that terminates all six outputs can be MARKING DIAGRAM derived from an external currentsense resistor. An opendrain fault signal is provided to indicate that an overcurrent or undervoltage shutdown has occurred. The UVLO circuits prevent malfunction when V and V are lower than the threshold voltage. Y&Z&2&K DD BS FAN73894 Output drivers typically source and sink 350 mA and 650 mA, respectively which is suitable for three phase half bridge applications in motor drive systems. Pin 1 Features FAN73894 = Specific Device Code Floating Channel for Bootstrap Operation to +600 V Y = ON Semiconductor Logo &Z = Assembly Plant Code Typically 350 mA/650 mA Sourcing/Sinking CurrentDriving &2 = 2Digit Date Code Format Capability for All Channels &K = 2Digits Lot Run Traceability Code Extended Allowable Negative V Swing to 9.8 V for Signal S Propagation at V = V = 15 V DD BS Applications Outputs Out of Phase with Input Signals 3Phase Motor Inverter Driver OverCurrent Shutdown Turns Off All Six Drivers Air Conditioner, Washing Machine, Matched Propagation Delay for All Channels Refrigerator, Dish Washer 3.3 V and 5.0 V Input Logic Compatible Industrial Inverter Sewing Machine, Adjustable FaultClear Timing Power Tool Signal Interlocking of Every Phase to Prevent CrossConduction GeneralPurpose ThreePhase Inverter CommonMode dV /dt NoiseCanceling Circuit s Builtin Advanced Input Filter ORDERING INFORMATION Builtin Soft TurnOff Function See detailed ordering and shipping information on page 15 of this data sheet. Builtin UnderVoltage Lockout (UVLO) Functions for All Channels This is a PbFree Device Table 1. COMPARISION TABLE Part FAN73893MX FAN73894MX FAN73895MX FAN73896MX INPUT Type Inverted Inverted Noninverted Noninverted V / V (Min / Typ / Max) 7.5 / 8.5 / 9.3 V 10.2 / 11.2 / 12 V 7.5 / 8.5 / 9.3 V 10.2 / 11.2 / 12 V DDUV+ BSUV+ V / V (Min / Typ / Max) 7 / 8 / 8.7 V 9.7 / 10.7 / 11.4 V 7 / 8 / 8.7 V 9.7 / 10.7 / 11.4 V DDUV BSUV Note (Replacement for (Replacement for FAN73892MX) FAN7389MX1) Semiconductor Components Industries, LLC, 2015 1 Publication Order Number: November, 2019 Rev. 2 FAN73894/DFAN73894 TYPICAL APPLICATION DIAGRAM V DD 5 V line V MOTOR 1 V V 28 DD B1 2 27 UU HIN1 HO1 Uup UU HIN2 V ULUL 3 S1 26 VS1 3Phase 4 HIN3 NC 25 VUVU BLDC Uup Vup Wup 5 LIN1 V 24 Motor ULUL B2 Controller 6 LIN2 HO2 23 V WUWU up WLWL 7 LIN3 VS2 22 V V S2 S1 8 NC 21 FO 3Phase Inverter CONTROL 9 CS VB3 20 VS2 EN 10 19 HO3 Wup 11 RCIN VS3 18 V S3 CRCIN VS3 VSS 17 12 NC 13 COM LO1 16 Udn U dn Vdn Wdn 14 LO2 V LO3 15 dn Wdn RCS Figure 1. 3Phase BLDC Motor Drive Application INTERNAL BLOCK DIAGRAM V B1 50 k HIN1 UVLO 10 k HO1 R R UHIN NOISE 50 k Q CANCELLER S HIN2 V INPUT NOISE S1 10 k FILTER T = 250 ns FLTIN 50 k V V DD DD HIN3 10 k UVLO SHOOT THOUGH ULIN VSSCOM LO1 50 k DELAY LEVELSHIFTER PREVENTION LIN1 10 k COM DEADTIME 50 k UVLO U Phase Driver DT = 320 ns LIN2 I SOFT 10 k V VDD B2 50 k VHIN VH LIN3 ENABLE INPUT V Phase Driver FILTER 10 k VLIN VS2 T = 250 ns FLTEN LO2 FO COM I SOFT V SS V V B3 DD WHIN HO3 EN W Phase Driver WLIN LEB V S3 ENABLE 150 k LO3 COM VDD UVLO I SOFT SOFTOFF VREF CS iRCIN CS COMP VRCIN,TH = 3.3 V Q S RCIN VRCIN,HYS = 0.7 V LEB LATCH R 100 k 0.5 V 3.3 V Protection Circuit Figure 2. Functional Block Diagram www.onsemi.com 2 FAN73894 PULSE GENERATOR DRIVER DRIVER