AN6652 UTC | Alldatasheet
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UTC AN6652 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R109-011,,A MOTOR CONTROL CIRCUIT
DESCRIPTION
The UTC AN6652 is an IC designed for the rotating speed control of a compact DC motor, which is used for a tape recorder, record player, etc.
FEATURES
*Small four-lead plastic package for compact motor. Fewer external parts. *Stable low reference voltage (1.25V typ.), wide motor speed setting *Highly stable operation over a wide range of supply voltage and torque supply voltage, Vcc=6V~20V *Reverse voltage protection circuit is built-in. TO-126B 1: Vcc 2: Control 3: GND 4: Motor BLOCK DIAGRAM VREF Vcc Control GND Motor ×20 (K)COM 1 23 4 ABSOLUTE MAXIMUM RATINGS (Ta=25℃) PARAMETER SYMBOL RATINGS UNIT Supply Voltage Vcc 22 V Supply Current Icc *2 1.5 A Power Dissipation P D *1 1.3 W Operating Temperature Topr -20～+75 °C Storage Temperature Tstg -40～+150 °C *1. Ta = 25°C, With a 10×10mm bakelite printed circuit board (35µm Cu leaf) *2. t≤5s
UTC AN6652 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R109-011,,A ELECTRICAL CHARACTERISTICS (Ta=25℃) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Reference Voltage V REF Vcc=12V,Ra=1k Ω 1.15 1.25 1.40 V Bias Current I Bias Vcc=12V 0.1 1 mA Current Proportional Constant K Vcc=12V, DI 4=20mA 18 20 22 Saturation Voltage V sat Vcc=8.0V, Ra=18 Ω 1 2 V Voltage Characteristics (1) △VREF VREF Vcc Vcc=9V~16V, Ra=1kΩ -0.6 -0.02 0.6 %/V Voltage Characteristics (2) △K K Vcc Vcc=9V~16V, DI4=20mA -0.7 0.2 0.7 %/V Current Characteristics (1) △VREF VREF Current Characteristics (2) △K K I4 Temperature Characteristics (1) △VREF VREF Ta Ta=-20℃~+75℃, Vcc=12V,Ra=1kΩ 0.01 %/℃ Temperature Characteristics (2) △K K Ta Ta=-20℃~+75℃, DI4=20mA 0.01 %/℃ APPLICATION CIRCUIT 4UTC AN6652 10μF 22μH Vcc Ea Ra Micro Motor330ΩRT Rs Motor Constants Ka:Generation constant=2.4mV/rpm Ra:Internal resistor = 18 Ω KT:Torque constant=200g．cm/A M
UTC AN6652 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R109-011,,A CHARACTERISTICS CURVE 1.6 0-20 4020 0.4 1.0 1.4 1.2 0.8 0.2 60 100 PD -Ta Ambient Temperature, Ta (℃) Power Dissipatior, PD (W) 120 (1) 0.6 (2) (1) With a 10×10mm bakelite printed circuit board (35μm Cu leaf) (2) Without heat sink 140160 180 UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.