LB11921T-TLM-E ON Semiconductor

Ordering number : ENA0604 LB11921T Monolithic Digital IC Three-Phase Brushless Motor Driver LB11921T Allowable Operating Ranges at Ta = 25C Parameter Symbol Conditions Ratings Unit FG Schmitt output applied voltage VFGS 0 to 7 V FG Schmitt output current IFGS 0 to 5 mA Lock detection applied voltage VLD 0 to 7 V Lock detection output current ILD 0 to 20 mA Supply voltage V 4.4 to 7.0 V CC Electrical Characteristics at Ta = 25C, V = 5V CC Ratings Parameter Symbol Conditions unit min typ max Supply current 1 I1 23 32mA CC Supply current 2 I2 In stop mode 2.1 2.9 mA CC Output Block Output saturation voltage 1-1 V sat1-1 At low level: I = 500A 0.1 0.2 V O O Output saturation voltage 1-2 V sat1-2 At low level: I = 5mA 0.3 0.5 V O O Output saturation voltage 2-1 V sat2-1 At high level: I = -500A V -0.2 V-0.1 V O O CC CC Output saturation voltage 2-2 V sat2-2 At high level: I = -5mA V -0.4 V-0.2 V O O CC CC Hall Amplifier Input bias current IHB(HA) -2 -0.1 A Common-mode input voltage range 1 VICM1 When Hall-effect sensors are used 0.5 V -2.0 V CC Common-mode input voltage range 2 VICM2 When one-side biased inputs are used 0 V V CC (Hall-effect IC applications) Hall input sensitivity Sine wave 50 mVp-p Hysteresis VIN(HA) 9 15 26mV Input voltage low high VSLH 47 13mV Input voltage high low VSHL -13 -8 -4mV PWM Oscillator Output high-level voltage V (PWM) 2.75 3.0 3.25 V OH Output low-level voltage V (PWM) 1.45 1.65 1.9 V OL Oscillator frequency f(PWM) C = 680pF 23 kHz Amplitude V(PWM) 1.1 1.35 1.6Vp-p CSD Oscillator Output high-level voltage V (CSD) 3.15 3.5 3.85 V OH Output low-level voltage V (CSD) 0.9 1.1 1.3 V OL External capacitor charge current ICHG1 -9.0 -6.5 -3.9 A External capacitor discharge current ICHG2 2.4 4.0 6.0 A Oscillator frequency f(RK) C = 0.047F 20 Hz Amplitude V(RK) 2.1 2.4 2.65 Vp-p VCO Oscillator C pin Output high-level voltage V (C) 2.00 2.30 2.55 V OH Output low-level voltage V(C) 1.55 1.80 2.05 V OL Oscillator frequency f(C) 1.2MHz Amplitude V(C) 0.3 0.5 0.7Vp-p Continued on next page. No.A0604-2/18