LB11923V_06 SANYO [Sanyo Semicon Device], LB11923V_06 Datasheet
LB11923V_06
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LB11923V_06 Summary of contents
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Ordering number : ENN7498A LB11923V Overview The LB11923V is a pre-driver IC designed for variable-speed control of 3-phase brushless motors. It can be used to implement a motor drive circuit with the desired output capacity (voltage, current) by using discrete ...
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Allowable Operating Ranges 25°C Parameter Supply voltage Input current range FG Schmitt output applied voltage FG Schmitt output current Lock detection applied voltage Lock detection output current Electrical Characteristics 25°C, V Parameter Supply current ...
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Continued from preceding page. Parameter [Current Limiter Operation] Limiter [Thermal Shutdown Operation] Thermal shutdown operating temperature Hysteresis [V Pin] REG V pin voltage REG [Low-voltage Protection Circuit] Operating voltage Release voltage Hysteresis [FG Amplifier] Input offset voltage Input bias current ...
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Continued from preceding page. Parameter [S/S Pin] Input high-level voltage Input low-level voltage Input open voltage Hysteresis Input high-level current Input low-level current Pull-up resistance [F/R Pin] Input high-level voltage Input low-level voltage Input open voltage Hysteresis Input high-level current ...
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Package Dimensions unit : mm (typ) 3277 15 0.65 0.22 (0.68) Pd max – Ta 2.0 Mounted on the specified PCB 1.79 W (114.3 × 76.1 × 1.6 mm glass epoxy PCB) 1.5 1.0 0.62 W Independent IC ...
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Speed Discriminator Count and VCO Divisor N1 N2 Count High or open High or open 1024 High or open Low 1024 Low High or open 256 Low Low 512 = (divisor ÷ count) × CLK Three-Phase Logic ...
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Block Diagram CSD OSC FR F S/S INT OUT INT INT REF POUT LD LD DOUT FG FGS FILTER FGO V CC LB11923V HALL HYS AMP LOGIC S/S RES 1.3VREF SPEED SPEED DISCRI ...
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Pin Functions Pin No. Pin 1 VREG 7-V shunt regulator output Start/stop control Low 1.0 V High: 2 S/S Goes high when left open. Low for start. High or open for stop. ...
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Continued from preceding page. Pin No. Pin Brake control (short braking operation) Low 1.0 V High: 2 Goes high when left open. High or open for brake mode operation. The hysteresis ...
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Continued from preceding page. Pin No. Pin Speed discriminator output 10 DOUT Acceleration → high, deceleration → low Speed control system PLL output 11 POUT Outputs the phase comparison result for CLK and FG. Integrating amplifier non-inverting input (1/2 V ...
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Continued from preceding page. Pin No. Pin Torque command input Normally, this pin is connected to the INT.OUT pin. The 16 TOC PWM duty is increased when the TOC pin voltage falls. Do not apply a voltage that exceeds V ...
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Continued from preceding page. Pin No. Pin VCO oscillator connection This pin sets the VCO frequency. C Insert a capacitor between this pin and ground. 21 Set the value of the capacitor so that the oscillator frequency does not exceed ...
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Continued from preceding page. Pin No. Pin Output current detection Connect a resistor between this pin and ground The output limitation maximum current, I 0.26/R by this resistor GND1 Control block ground 30 GND2 Output block ...
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Sample Application Circuit 1 (P-channel + n-channel, Hall-effect sensor application) 1 VREG 2 S/S S/S 3 CLK CLK 4 F/R F FGS FGS DOUT 11 POUT ...
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Sample Application Circuit 2 (PNP + NPN, Hall-effect sensor application) 1 VREG S/S 2 S/S CLK CLK 3 F FGS FGS DOUT 10 POUT 11 ...
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IC Operation Description 1. Speed Control Circuit This IC implements speed control using the combination of a speed discriminator circuit and a PLL circuit. The speed discriminator circuit outputs (This counts a single FG period.) an error signal once every ...
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Notes on the PWM Frequency The PWM frequency is determined by the capacitor (F) connected to the PWM pin. ≈ 1/(82000 × C) When PWM ≈ 1/(66000 × C) When V = 5.0 ...
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V: The set time (in seconds × C (µF) When 5.0 V: The set time (in seconds × C (µF) When clear the rotor constrained protection state, the ...
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Integrating Amplifier The integrating amplifier integrates the speed error pulses and the phase error pulses and converts them to a speed command voltage. At the same time it also sets the control loop gain and frequency characteristics using external ...
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NC pin Since the NC pins are electrically open with respect to the IC itself, they can be used as intermediate connection points for lines in the PCB pattern. Specifications of any and all SANYO Semiconductor products described or ...