Motor Speed Controller - Unisonic Technologies
Description
UNISONIC TECHNOLOGIES CO.
, LTD AN6651
MOTOR SPEED CONTROL CIRCUIT
DESCRIPTION
LINEAR INTEGRATED CIRCUIT
The UTC AN6651 is a monolithic integrated circuit designed for the rotating control of a compact DC motor which is used for a tape recorder, recorder player etc.
FEATURES
*Wide operating supply voltage: VCC=3.
5V ~ 14.
4V *Small four-lead plastic packer for compact motor.
*Few external components *Stable low reference voltage (1.
0V, typical) *Wide motor speed setting *Reverse voltage protection circuit built-in
*Pb-free plating product number: AN6651L
ORDERING INFORMATION
Ordering Number Normal Lead Free Plating AN6651-T6B-K AN6651L-T6B-K Package TO-126B Packing Bulk
PIN DESCRIPTIONS
PIN NAME VCC CONTROL GND MOTOR PIN FUNCTION Supply Voltage Control signal input GND Connected to the motor.
PIN NO.
1 2 3 4
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Copyright © 2008 Unisonic Technologies Co.
, Ltd
AN6651
BLOCK DIAGRAM
LINEAR INTEGRATED CIRCUIT
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UNISONIC TECHNOLOGIES CO.
, LTD
www.
unisonic.
com.
tw
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AN6651
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
PARAMETER
LINEAR INTEGRATED CIRCUIT
SYMBOL RATINGS UNITS Supply Voltage VCC 14.
4 V Supply Current t ≤5 sec ICC 2000 mA Power Dissipation (TA=25°C) PD 1300 mW Vn-3 -0.
5 ~ +14.
4 V Terminal Voltage (n=1,2,4) I1 150 Terminal Current I2 100 mA I3 -2000(min) Terminal Current t ≤5 sec 1750 I4 Operating Temperature TOPR -20 ~ +75 °C Storage Temperature TSTG -40 ~ +150 Note Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS (TA = 25°C, unless otherwise specified)
SYMBOL VREF IBIAS K VSAT TEST CONDITIONS VCC=6V, RA =1kΩ VCC=6V VCC=6V, ΔI4=40mA VCC=4.
2V, RA =5.
0kΩ VCC=3.
5V~14V, RA =1kΩ ΔK / K ΔVCC ΔVREF / VREF Δ I4 ΔK / K Δ I4 ΔVREF / VREF Δ TA TA=-20~+75°C,VCC=6V,RA=1kΩ TA=-20~+75°C, ΔI4...
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