LB11685AVGEVB ON Semiconductor

Ordering number : ENA1772A LB11685AV Monolithic Digital IC 3-phase sensor less LB11685AV Recommended Operating Conditions at Ta = 25C Parameter Symbol Conditions Ratings Unit Recommended Supply voltage V 12.0 V CC Operating supply voltage V op 4.5 to 18.0 V CC Electrical Characteristics at Ta = 25C, V = 5.0V CC Ratings Parameter Symbol Conditions Unit min typ max Supply current I FC1 = FC2 = 0V 5 10 20 mA CC Internal regulate voltage VREG 3.0 3.3 3.6 V Output voltage (source) VOSOUR I = 0.8A *3 1.3 1.7 V O Output voltage (sink) VOSINK I = 0.8A *3 0.5 1.3 V O Current limiter VOLIM 0.268 0.300 0.332 V MCOM pin VINCOM 0 V - 2 V CC common-input voltage range MCOM pin ICOM+ MCOM = 7V 30 80 A Source current for hysteresis MCOM pin ICOM- MCOM = 7V 30 80 A Sink current for hysteresis MCOM pin RTCOM RTCOM = ICOM+ / ICOM- 0.6 1.4 hysteresis current ratio VCO input bias current I V = 2.3V 0.2 A VCO CO VCO oscillation minimum f min V = 2.1V, CX = 0.015F 930 Hz VCO CO frequency Design target *2 VCO oscillation maximum f max V = 2.7V, CX = 0.015F 8.6 kHz VCO CO frequency Design target *2 CX charge / discharge current I V = 2.5V, CX = 1.6V 70 100 140 A CX CO CX hysteresis voltage VCX 0.35 0.55 0.75 C1 (C2) charge current IC1(2)+ V = 2.5V, C1(2) = 1.3V 12 20 28 A CO C1 (C2) discharge current IC1(2)- V = 2.5V, C1(2) = 1.3V 12 20 28 A CO C1 (C2) charge / discharge RTC1(2) RTC1(2) = IC1(2)+ / IC1(2)- 0.8 1.0 1.2 current ratio C1/C2 charge current ratio RTCCHG RTCCHG = IC1+ / IC2+ 0.8 1.0 1.2 C1/C2 discharge current ratio RTCDIS RTCDIS = IC1- / IC2- 0.8 1.0 1.2 C1 (C2) cramp voltage width VCW1(2) 1.0 1.3 1.6 V FG output low level voltage VFGL IFG = 3mA 0.5 V RD output low level voltage VRDL IRD = 3mA 0.5 v Thermal shut down operating TTSD Junction temperature 150 180 C temperature *1 Design target *2 Thermal shut down hysteresis TTSD Junction temperature 15 C temperature *1 Design target *2 *1: The thermal shut down circuit is built-in for protection from damage of IC. But its operation is out of Topr. Design thermal calculation at normal operation. *2: Design target value and no measurement is made. *3: The I is a peak value of motor-current. O No.A1772-2/7