NTE1809 Integrated Circuit VCR Capstan, DD, Motor Driver Description: The NTE1809 is an integrated circuit designed for a VCR capstan direct−drive motor drive. Features: D Three−phase full−wave operation D Built−in output transistors D Built−in torque ripple canceller circuit D Max. output current (IOmax): 1.5A D Max. operation voltage of motor (VMmax): 24V D Supply voltage: 5V Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V Motor Supply Voltage, VM(24) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24V Motor Drive Current, I1, I3, I23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±1.5A Output Terminal Voltage, V1, V3, V23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24V Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2000mW Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20 to +70°C Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Supply Current Symbol Test Conditions Min Typ Max Unit ICC VCC = 5V − − 15 mA Torque Reference Voltage ECR VCC = 5V 2.3 − 3 V Torque Command Voltage EC VCC = 5V, ECR = 25V 1 − 4 V Torque Command Voltage Offset ECoffset VCC = 5V, ECR = 25V −150 − +150 mV Torque Command Voltage Dead Zone ECdead VCC = 5V, ECR = 25V 60 − 150 mV Output Idle Voltage ECidle VCC = 5V Input/Output Gain Gio VCC = 5V, ECR = 25V 0.51 − 0.65 times Forward Command Voltage ED−F VCC = 5V, ECR = 25V − − 0.9 V STOP Command Voltage ED−S VCC = 5V, ECR = 25V 1.3 − 3 V Reverse Command Voltage ED−R VCC = 5V, ECR = 25V 3.5 − − V Hall Element Supply Voltage VH+ VCC = 5V, IH = 20mA 2.6 − 3.2 V Electrical Characteristics (Cont’d): (TA = +25°C unless otherwise specified) Parameter Symbol Hall Element Input Allowable Min Typ Max Unit VCC = 5V, IH = 20mA 1.2 − 2.35 V VH(offset) VCC = 5V, IH = 20mA −5 − 5 mV VH(IN) Hall Element Offset Referred to Input Test Conditions Upper Saturation Voltage VP(sat) IA = 1A −1.2 − − V Lower Saturation Voltage VN(sat) IA = 1A − − 1.8 V Torque Limit−Current Sense Offset TL−CS (offset) VTL = 700mV 15 − 40 mV VCC= 5V 50 − − mV VRCC−ON VCC = 5V − − 0.9 V − − 0.5 V Ripple Cancel Output VRCC Ripple Cancel ON Voltage Direction Detection Output Voltage Note VER VCC = 5V Range of the operating supply voltage: VCC(opr) = 4.5V to 5.5V Pin Connection Diagram (Front View) 24 Motor Power Drive Output 3 1 Total Current Output 2 Drive Output 4 3 23 Drive Output 1 22 Phase Comp for Current Feedback 21 GND 20 Current Detection Generation Brake 4 (−) Input 3 5 19 Torque Limit Phase Comp for 18 Current Feedback 17 Ripple Cancel Control Input 16 Torque Order Input 15 Ref Voltage Input 14 Hall Element Supply Input 13 VCC (+) Input 3 6 Hall Element (−) Input 2 7 (+) Input 2 8 (−) Input 1 (+) Input 1 Rotation Direction Order Input Rotation Direction Input 9 10 11 12 14 8 1 7 .827 (21.0) Max .300 (7.62) .197 (5.0) Max .100 (2.45) .600 (15.24) .099 (2.5) Min