NJU7365

NJU7365 Single-phase DC Brushless Motor Driver IC GENERAL DESCRIPTION The NJU7365 is a single phase motor driver IC. It features a MOS FET motor driver, direct PWM input, FG output and thermal shutdown circuit. The driver is capable of 1000mA maximum output current and continuous current of 350mA. NJU7365RB1 PACKAGE OUTLINE FEATURES • Supply Voltage • Low Quiescent Current • Maximum Output Voltage • Direct PWM Input • Lock Detect • FG Output • Thermal Shutdown Circuit • CMOS Technology • Package Outline VDD=2.0 to 5.5V IDD=1mA typ. VOH=4.7V typ.@ Io=+350mA, VOL=0.2V typ.@ Io=-350mA TVSP8 BLOCK DIAGLAM PIN FUNCTION OUTB 1 8 GND + VDD 2 PWM TSD LockDet 7 OUTA PIN No. 1 2 3 4 5 6 7 8 PIN NAME OUTB VDD IN+ INFG PWM OUTA GND + IN+ 3 + 6 PWM IN- 4 - 5 FG -1- NJU7365 ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Supply Voltage VDD Input Voltage VID PWM Input Voltage VPWM Output Current (Peak) IOPEAK FG Output Current IFG FG Output Voltage VFG Power Dissipation Operating Temperature Junction Temperature Storage Temperature PD Topr Tjmax Tstg RATINGS +7 -0.3 to VDD -0.3 to VDD 1000 10 +7.0 Device itself (*1)Mounted on 2Layer Board -40 to +85 150 -50 to +150 (Ta=25°C) UNIT V V V mA mA V 400 510 mW °C °C °C (*1): Mounted on glass epoxy board based on EIA/JEDEC. (76.2 × 114.3 × 1.6mm: 2-Layers FR-4) RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL Supply Voltage VDD (Ta=25°C) MAX. UNIT 5.5 V TEST CONDITION - MIN. 2.0 TYP. 5.0 -2- NJU7365 ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL GENERAL Quiescent Current IDD Thermal Shutdown Operating TTSD Temperature Thermal Shutdown Hysteresis THYS HALL AMP BLOCK Input Offset Voltage VIO Common Mode VICM Input Voltage Range Close-loop Gain AV OUTPUT BLOCK VOH Output Voltage VOL FGL Output Voltage VFG FGH Leak Current IFG-LEAK PWM INPUT BLOCK PWM Input Frequency fPWM Pullup resistance RPWM Input H Level Voltage1 VIHP1 Input H Level Voltage2 VIHP2 Input L Level Voltage1 VILP1 Input L Level Voltage2 VILP2 LOCK DETECT BLOCK Lock Detect ON Time tON Lock Detect OFF Time tOFF Lock Detect Ratio tRATIO TEST CONDITION IN+=3.9V, IN-=0.4V IO= +350mA IO=-350mA IFG=5mA VFG=5V VDD=2V VDD=2V MIN. -10 0.4 4.6 2 3.0 1.4 0 0 (VDD=5V, Ta=25°C) TYP. MAX. UNIT 1.1 170 20 46.4 4.7 0.2 200 0.66 6.6 1:10 1.8 10 3.9 0.3 0.2 1.0 50 1.5 0.5 mA °C °C mV V dB V V V uA kHz kΩ V V V V s s - -3- NJU7365 TRUTH TABLE No. IN+ IN PWM TSD LD 1 H L H OFF OFF 2 L H H OFF OFF 3 H L L OFF OFF 4 L H L OFF OFF 5 H L H ON OFF 6 L H H ON OFF 7 H L L ON OFF 8 L H L ON OFF 9 H L H OFF ON 10 L H H OFF ON 11 H L L OFF ON 12 L H L OFF ON 13 H L H ON ON 14 L H H ON ON 15 H L L ON ON 16 L H L ON ON Z : High Impedance *FG output turns to “L” when PWM “L” state is within fixed time(90ms typ.). TIMING CHART at PWM IN+ INPWM OUTA OUTB FG OUTA H L L L L L L L L L L L L L L L OUTB L H L L L L L L L L L L L L L L FG L Z L Z L Z L Z Z Z Z Z Z Z Z Z TIMING CHART at LOCK DETECT Motor locked IN+ INOUTA OUTB FG Toff Ton Toff Motor released Motor lock protection PWM 90ms(typ.) enable disable enable Lock protect enable (internal) -4- NJU7365 TYPICAL APPLICATION CIRCUIT M D1 VDD C1 OUTB VDD R2 Hall element IN+ INVSS OUT PWM FG Motor R1 POWER DISSIPATION vs. AMBIENT TEMPERATURE NJU7365RB1 PD vs. Ta (Topr=-40 to +85°C,Tj=150°C) 800 Power Dissipation PD(mW) 700 Mounted on 2Layer Board(FR4 114.3×76.2×1.6mm) 600 500 400 300 200 100 0 -50 -25 0 25 50 75 100 Device itself Ambient Temperature Ta(°C) -5- NJU7365 TYPICAL CHARACTERISTICS IDD vs. VDD IN+=VDD, IN-=GND 2 1.8 1.6 1.4 VFG vs. IFG VDD=5V, IN+=VDD, IN-=GND 0.3 0.25 0.2 IDD [mA] 1.2 1 0.8 0.6 0.4 0.2 0 2 3 4 VDD [V] 5 6 7 VFG [V] 0.15 0.1 0.05 0 0 2 4 IFG [mA] 6 8 10 VOH(sat) vs. VDD IN+=VDD, IN-=GND, Io=350mA 1000 900 800 700 VOH(sat) [mV] 600 500 400 300 200 100 0 2 3 4 VDD[V] 5 6 7 VOL(sat) [mV] 1000 900 800 700 600 500 400 300 200 100 0 2 3 VOL(sat) vs. VDD IN+=GND, IN-=VDD, Io=350mA 4 VDD [V] 5 6 7 1000 900 800 700 VOH(sat) [mV] 600 500 400 300 200 100 0 0 200 VOH(sat) vs. Io VDD=5V, IN+=VDD, IN-=GND 1000 900 800 700 VOL(sat) [mV] 600 500 400 300 200 100 0 0 200 VOL(sat) vs. Io VDD=5V, IN+=GND, IN-=VDD 400 Io [mA] 600 800 1000 400 Io [mA] 600 800 1000 [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. -6-