ST1152B Version Issue Date File Name Total Pages : A.001 : 2008/03/17 : SP-ST1152B-A.001.doc :8 Low-saturation, Low-voltage Bi-directional Motor Driver 新竹市展業一路 9 號 7 樓之 1 SILICON TOUCH TECHNOLOGY INC. 9-4F-3, Prosperity Rd I, Science-Based Industrial Park Hsinchu, Taiwan, R.O.C. Tel：886-3-5727171 Fax：886-3-5727390 點晶科技股份有限公司 ST1152B SILICON TOUCH TECHNOLOGY INC. ST1152B Low-saturation, Low-voltage Bi-directional Motor Driver General Specifications The device is a two-channel low-saturation bi-directional motor driver IC. The design is optimal for stepper-motor applications, such as toy, cameras, printers or other portable devices. Features and Benefits z z z z z z z z z z Low voltage operation ( VDD min = VS1 min = VS2 min = 1.5V ) High current output (max. 1.5A/channel) Built-in thermal shutdown circuit Built-in pull down resistor Low saturation voltage ( Upper transistor + low transistor residual voltage; 0.3V typ. at 400mA, 0.6V typ. at 750mA) Parallel connection ( two-channel driver: Upper transistor + low transistor residual ; 0.4V typ. at 800mA ) Separate control logic power supply and motor driver power supply Brake function High output sinking and driving capability Thin, highly reliable package (DIP-14,SOP14) SP-ST1152B-A.001 Version：A.001 -1- 點晶科技股份有限公司 ST1152B SILICON TOUCH TECHNOLOGY INC. Pin Assignment Pin NO. Pin Name Description 1 O1 Output sinking / driving pin 2 VM1 Power supply pin for driver O1 GND 3 O2 Output sinking / driving pin VM1 IN1 4 NC No connection O2 IN2 5 O3 Output sinking / driving pin 6 VM2 Power supply pin for driver NC VDD 7 O4 Output sinking / driving pin O3 IN3 8 GND VM2 IN4 9 IN4 Input pin 4 that determines driving mode O4 GND 10 IN3 Input pin 3 that determines driving mode 11 VDD Power supply pin for controller. 12 IN2 Input pin 2 that determines driving mode 13 IN1 Input pin 1 that determines driving mode 14 GND Ground pin Ground pin Absolute Maximum Ratings ( Unless otherwise noted, TA= 25℃ ) Characteristic Symbol Rating Unit VDD 7.0 V VM 7.0 V VIN VDD+0.4 V IODC Maxium Current Per Channel (DIP14) IODC1 1.5 A IODC Maxium Current Per Channel (SOP14) IODC2 1.3 A PD 800 mW Operating Temperature Range TOPR -40 ~ 150 °C Storage Temperature Range TSTG -65 ~ 150 °C Supply Voltage Input Voltage Power Dissipation SP-ST1152B-A.001 Version：A.001 -2- 點晶科技股份有限公司 ST1152B SILICON TOUCH TECHNOLOGY INC. Electrical Characteristic(Unless otherwise noted, TA= 25℃ & VDD = VM = 3V ) Characteristic Sym. Supply Voltage Limit Condition Unit Min. Typ. Max. VDD 1.5 3 7.0 V VS 1.5 3 7.0 V Supply Current IDD0 VIN1, IN2, IN3, IN4 = 0V 0.1 10 μA ( IDD + IS ) IDD1 VIN1=3V, VIN2, IN3, IN4=0V 0.1 1 mA IN1 / IN2 / IN3 / IN4 Input Terminal ( TJ = 25℃) Input Voltage “H” VIH - 0.5*VDD - VDD+0.4 V Input Voltage “L” VIL - -0.4 - 0.2*VDD V Input Current “H” IIH VIN = VDD=3V 30 50 70 μA Input Current “L” IIL VIN = 0 V - - ±5 μA O1 / O2 / O3 / O4 Output Terminal ( TJ = 25℃) VOUT1 IOUT = 200 mA - 0.15 0.3 V VOUT2 IOUT = 400 mA - 0.3 0.6 V Output Voltage VOUT3 IOUT = 750 mA - 0.6 0.95 V (upper + lower) VOUT4 IOUT = 400 mA ( parallel connection ) - 0.2 0.35 V VOUT5 IOUT = 800 mA ( parallel connection ) - 0.4 0.7 V Thermal Protection Circuit Protection Temperature SP-ST1152B-A.001 TTSD VEN =VDD Version：A.001 150 ℃ -3- 點晶科技股份有限公司 ST1152B SILICON TOUCH TECHNOLOGY INC. Truth Table IN1 / IN3 IN2 / IN4 O1 / O3 O2 / O4 Mode H L H L Forward L H L H Reverse H H H H Brake L L OFF OFF Standby Block Diagram & Application Circuit RVDD 10μF VDD 11 VM2 VM1 6 2 O1 IN1 13 1 IN2 12 3 M1 O2 Control O3 IN3 10 5 M2 IN4 9 7 NC SP-ST1152B-A.001 4 GND 8 Version：A.001 O4 14 GND -4- 點晶科技股份有限公司 ST1152B SILICON TOUCH TECHNOLOGY INC. Application Notes The power dissipated by the IC varies widely with the supply voltage, the output current, and loading. It is important to ensure the application does not exceed the allowable power dissipation of the IC package. The recommended motor driver power dissipation versus temperature is depicted as follows: Power Dissipation-Temperature Power Dissipation ( mW ) 900 800 700 600 500 400 300 200 100 0 0 SP-ST1152B-A.001 25 50 75 Ambient Temperature ( ℃ ) Version：A.001 100 125 -5- 點晶科技股份有限公司 ST1152B SILICON TOUCH TECHNOLOGY INC. Package Specification ( 14-pin DIP ) E E1 eB θ° D A2 A Seating Plane A1 L S b b1 e MIN. DIMENSION (mm) NOM. 0.381 3.175 1.300 0.400 18.669 7.366 6.223 2.290 8.509 2.540 3.302 1.500 0.480 19.495 7.620 6.812 2.540 9.017 3.175 0 7 SYMBOL A A1 A2 b b1 D E E1 e eB L S θ° SP-ST1152B-A.001 Version：A.001 MAX. 5.334 3.429 1.700 0.560 20.320 7.874 7.400 2.790 9.525 3.810 2.390 15 -6- 點晶科技股份有限公司 ST1152B SILICON TOUCH TECHNOLOGY INC. (SOP- 14 ) ST1152B xxxxxx * E C H θ L 1 D 7°(4X) A2 A A1 y b e SYMBOL Dimensions in Millimeter MIN NOM MAX 1.473 0.102 1.626 － 1.727 0.254 A2 － － b C D E e H θ L 0.33 0.191 8.534 3.810 A A1 0.406 0.203 8.661 3.912 1.270 BSC 5.791 5.994 － 0° 0.381 0.635 － 0.508 0.249 8.738 3.988 6.198 8° 1.270 * The package marking “xxxxxx” is a lot number, and therefore being subject to change. The products listed herein are designed for ordinary electronic applications, such as electrical appliances, audio-visual equipment, communications devices and so on. Hence, it is advisable that the devices should not be used in medical instruments, surgical implants, aerospace machinery, nuclear power control systems, disaster/crime-prevention equipment and the like. Misusing those products may directly or indirectly endanger human life, or cause injury and property loss. Silicon Touch Technology, Inc. will not take any responsibilities regarding the misusage of the products mentioned above. Anyone who purchases any products described herein with the above-mentioned intention or with such misused applications should accept full responsibility and indemnify. Silicon Touch Technology, Inc. and its distributors and all their officers and employees shall defend jointly and severally against any and all claims and litigation and all damages, cost and expenses associated with such intention and manipulation. SP-ST1152B-A.001 Version：A.001 -7-