LB1973M-TLM-E

Ordering number : ENA1450B Monolithic Digital IC Two-channel H-Bridge Driver LB1973M Overview 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 Symbol Conditions Ratings VCC max VOUT max Input voltage VIN max Ground pin source current Allowable power dissipation IGND V -0.3 to VCC+VSF V -0.3 to +8.0 V CONT, IN Per channel Pd max1 For Unit Pd max2 Mounted on a circuit board.* Unit -0.3 to +8.0 1000 mA 350 mW 870 mW Operating temperature Topr -20 to +85 °C Storage temperature Tstg -40 to +150 °C * Mounted on a Specified board : 114.3mm×76.1mm×1.6mm, glass epoxy Allowable Operating Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit Supply voltage VCC 1.8 to 7.5 V High-level input voltage VIH 1.3 to 7.5 V Low-level input voltage VIL -0.3 to +0.5 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 Output saturation voltage1 Ratings Symbol Conditions ICCO1 VCC = 1.9V,IN1 to IN4 = 0V 0.01 1 μA ICCO2 VCC = 3V,IN1 to IN4 = 0V 0.01 1 μA ICC1 IN1 = 1.9V,IN2 to IN4 = 0V 18 25 mA ICC2 IN1 = 3V,IN2 to IN4 = 0V,VCC = 3V 19 26 mA IOUT = 270mA,VCC = 1.9V to 3.6V,VOUT = 0.2 0.3 V 0.25 0.4 V 0.12 0.2 V 0.2 0.35 V 32 70 μA VOUT11 min typ Unit max Upper Tr and Under Tr (single connection) 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 VOUT21 IOUT = 270mA,VCC = 1.9V to 3.6V,VOUT = Upper Tr and Under Tr (parallel connection) 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 IIN Themal shutdown operation VIN = 1.9V Ttsd 140 °C ∆T 20 °C temperature Temperature hysteresis width Spark killer Diode Reverse current IS(leak) VCC-OUT = 8V,VIN = 0V 10 μA Forword voltage VSF IOUT = 400mA,VIN = 0V 1.7 V Package Dimensions unit : mm (typ) 3086B Pd max -- Ta 10 0.63 5.0 4.4 6.4 6 0.15 0.1 (1.5) 1.7max 5 1 0.35 1.0 Allowable power dissipation,Pd max - W 1.0 0.8 0.6 0.45 0.4 0.35 0.2 0 -20 (0.5) SANYO : MFP10S(225mil) Mounted on a specified board : 114.3mm x 76.1mm x 1.6mm glass epoxy 0.87 0.18 0 20 40 60 80 85 100 Ambient temperature, Ta -- °C No.A1450-2/5 LB1973M Pin Assignment VCC 1 10 OUT4 IN4 2 9 IN3 3 8 OUT1 IN1 4 7 OUT2 IN2 5 6 GND OUT3 (Top View) Truth Table Input IN1 Output IN2 IN3 IN4 Low Low Low Low High Low Low High - - High - - OUT1 - High Low Low High High - - - High High OUT2 OUT3 OUT4 Off Off - - Off Off High Low Low High - - Mode Standby mode Channel 1, forward Channel 1, reverse High Low Channel 2, forward Low High Channel 2, reverse The logic output for the first high-level input is produced. Block Diagram VCC IN1 30K OUT2 30K 100K IN3 30K 100K Control Block Circuit IN2 Thermal shutdown circuit 100K OUT1 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 Standby Channel 2 output mode Standby Forward Reverse Forward Forward Reverse Reverse Forward Forward Standby Reverse Forward Standby (2) Timing chart for 1-2 phase drive (Fastdecay mode) IN1 IN2 IN3 IN4 Channel 1 output mode Standby Channel 2 output mode Standby Forward OFF Reverse OFF Forward OFF Reverse Forward Standby OFF Forward Standby No.A1450-4/5 LB1973M ICC -- VCC 0.06 IIN -- VIN 1.80E-04 IN4 IN1 3 IN2 IN 1.60E-04 2ch drive Input Current , IIN - A 1.40E-04 0.04 0.03 1ch drive 0.02 1.20E-04 1.00E-04 8.00E-05 6.00E-05 4.00E-05 0.01 2.00E-05 0 1 2 3 4 5 6 7 0.45 VCC = 1.9V Ta = 25∞C 0.7 1 2 3 4 5 6 7 8 Input Voltage , VIN - V Supply Voltage , VCC - V Vsat -- IO (single connection) 0.8 Vsat -- IO (parallel connection) VCC = 1.9V 24 UT 13 O 3 - UT T1 - O U O T24 OU 0.4 0.35 0.6 0.5 0.4 0.3 0.2 0.1 0 0.00E+00 0 Saturation Voltage , Vsat - V Current drain , ICC - A 0.05 0.3 0.25 0.2 0.15 0.1 0.05 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 Output Current , IO - A 0.8 0.9 1 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 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. SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities concerned in accordance with the above law. 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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