LB1973M

Ordering number : ENA1450B Monolithic Digital IC LB1973M Overview Two-channel H-Bridge Driver The LB1973M is a two-channel H-bridge driver that supports for low saturation draive operation. It is optimal for H-bridge drive of stepping motors (AF and zoom) in portable equipment such as camera cell phones. Features • Two-channel H-bridge driver • The range of the operation voltage is wide.(1.8V to 7.5V) • Small package : MFP10S(225mil) • Built-in thermal protection Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Output voltage Input voltage Ground pin source current Allowable power dissipation Symbol VCC max VOUT max VIN max IGND Pd max1 Pd max2 Operating temperature Storage temperature Topr Tstg CONT, IN Per channel For Unit Mounted on a circuit board.* Conditions Ratings -0.3 to +8.0 -0.3 to VCC+VSF -0.3 to +8.0 1000 350 870 -20 to +85 -40 to +150 Unit V V V mA mW mW °C °C * Mounted on a Specified board : 114.3mm×76.1mm×1.6mm, glass epoxy Allowable Operating Ratings at Ta = 25°C Parameter Supply voltage High-level input voltage Low-level input voltage Symbol VCC VIH VIL Conditions Ratings 1.8 to 7.5 1.3 to 7.5 -0.3 to +0.5 Unit V V V Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer' s products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer' s products or equipment. 42211 SY/60210 SY 20100527-S00001/90209 SY No.A1450-1/5 LB1973M Electrical Characteristics at Ta = 25°C, VCC = 1.9V Parameter Source current Symbol ICCO1 ICCO2 ICC1 ICC2 Output saturation voltage1 (single connection) VOUT11 Conditions VCC = 1.9V,IN1 to IN4 = 0V VCC = 3V,IN1 to IN4 = 0V IN1 = 1.9V,IN2 to IN4 = 0V IN1 = 3V,IN2 to IN4 = 0V,VCC = 3V IOUT = 270mA,VCC = 1.9V to 3.6V,VOUT = Upper Tr and Under Tr IN1 = 1.3V,IN2 to IN4 = 0V Supplementation: Standard similar as for IN2 to IN4 = 1.3V VOUT12 IOUT = 350mA,VCC = 1.9V to 3.6V,VOUT = Upper Tr and Under Tr IN1 = 1.3V,IN2 to IN4 = 0V Supplementation: Standard similar as for IN2 to IN4 = 1.3V Output saturation voltage2 (parallel connection) VOUT21 IOUT = 270mA,VCC = 1.9V to 3.6V,VOUT = Upper Tr and Under Tr OUT1-3,OUT2-4 short. IN1 and IN3 = 1.3V,IN2 and IN4 = 0V Supplementation: Standard similar as for IN2 and IN4 = 1.3V VOUT22 IOUT = 500mA,VCC = 1.9V to 3.6V,VOUT = Upper Tr and Under Tr OUT1-3,OUT2-4 short. IN1 and IN3 = 1.3V,IN2 and IN4 = 0V Supplementation: Standard similar as for IN2 and IN4 = 1.3V Input current Themal shutdown operation temperature Temperature hysteresis width Spark killer Diode Reverse current Forword voltage IS(leak) VSF VCC-OUT = 8V,VIN = 0V IOUT = 400mA,VIN = 0V 10 1.7 μA V ∆T 20 °C IIN Ttsd VIN = 1.9V 32 140 70 μA °C 0.2 0.35 V 0.12 0.2 V 0.25 0.4 V Ratings min typ 0.01 0.01 18 19 0.2 max 1 1 25 26 0.3 Unit μA μA mA mA V Package Dimensions unit : mm (typ) 3086B 1.0 Pd max -- Ta Mounted on a specified board : 114.3mm x 76.1mm x 1.6mm glass epoxy 10 6 0.63 5.0 Allowable power dissipation,Pd max - W 0.87 0.8 4.4 6.4 0.6 0.45 0.4 0.35 0.2 1.7max 1 5 0.15 0.1 (1.5) 0.18 0.35 1.0 (0.5) 0 -20 0 20 40 60 80 85 100 SANYO : MFP10S(225mil) Ambient temperature, Ta -- °C No.A1450-2/5 LB1973M Pin Assignment VCC IN4 1 10 OUT4 9 2 OUT3 IN3 3 8 OUT1 7 OUT2 GND IN1 4 IN2 5 6 (Top View) Truth Table Input IN1 Low High Low High IN2 Low Low High High IN3 Low High Low High IN4 Low Low High High OUT1 Off High Low OUT2 Off Low High Output OUT3 Off High Low OUT4 Off Low High Mode Standby mode Channel 1, forward Channel 1, reverse Channel 2, forward Channel 2, reverse The logic output for the first high-level input is produced. Block Diagram VCC IN1 30K 100K OUT2 Thermal shutdown circuit Control Block Circuit OUT1 IN2 30K 100K IN3 30K 100K OUT4 OUT3 IN4 30K 100K GND No.A1450-3/5 LB1973M Timing Chart (1) Stepper motor timing chart Timing chart for 2-phase drive IN1 IN2 IN3 IN4 Channel 1 output mode Channel 2 output mode Standby Forward Reverse Forward Reverse Forward Standby Standby Forward Reverse Forward Reverse Forward Standby (2) Timing chart for 1-2 phase drive (Fastdecay mode) IN1 IN2 IN3 IN4 Channel 1 output mode Channel 2 output mode Standby Forward OFF Reverse OFF Forward Standby Standby Forward OFF Reverse OFF Forward Standby No.A1450-4/5 LB1973M 0.06 ICC -- VCC 2ch drive 1.80E-04 1.60E-04 IIN -- VIN IN4 IN1 3 IN2 IN 0.05 1.40E-04 Current drain , ICC - A 0.04 Input Current , IIN - A 7 1.20E-04 1.00E-04 8.00E-05 6.00E-05 4.00E-05 2.00E-05 0.03 1ch drive 0.02 0.01 0 1 2 3 4 5 6 0.00E+00 0 1 2 3 4 5 6 7 8 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 Supply Voltage , VCC - V Vsat -- IO (single connection) VCC = 1.9V Ta = 25∞ C Input Voltage , VIN - V 0.45 0.4 0.35 Vsat -- IO (parallel connection) 4 T2 OU T13 13 OU UT 24 OT OU VCC = 1.9V Saturation Voltage , Vsat - V 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0.3 0.25 0.2 0.15 0.1 0.05 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 Output Current , IO - A Output Current , IO - A SANYO Semiconductor Co.,Ltd. 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 SANYO Semiconductor Co.,Ltd. products described or contained herein. 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SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of April, 2011. Specifications and information herein are subject to change without notice. PS No.A1450-5/5