Ordering number: EN2637C Monolithic Digital IC LB1651 Dual Bidirectional Motor Driver Overview Package Dimensions The LB1651 is a dual bidirectional motor driver that is designed to drive motors directly by TTL outputs. It provides the functions of bidirectional motor drive, brake that are determined by two inputs and the inhibit function that brings the output to a high impedance state. unit : mm 3037A-DIP20H [LB1651] Applications . Multi DC motor driver . Bidirectional motor driver . Bipolar stepping motor driver Features SANYO : DIP20H . High output current (1 A/ch) . Wide operating voltage range (4.5 to 36 V) . Inhibit function . Direct drive made possible by TTL, CMOS IC . High noise margin Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit Maximum supply voltage VCC1 36 V Logic supply voltage VCC2 36 V Input voltage VIN 7 V Inhibit voltage Vinh 7 V Peak output current Allowable power dissipation IOUT 1 ms non-repetitive Pd max 2 A 3 W Operating temperature Topr –20 to +80 °C Storage temperature Tstg –40 to +150 °C Rating Unit Allowable Operating Conditions at Ta = 25°C Parameter Symbol Conditions Supply voltage VCC1 4.5 to 36 V Logic supply voltage VCC2 4.5 to 36 V SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 43096HA(II)/D2094TH(KOTO)/22894TS/1300YT/8207TA, TS No.2637-1/4 LB1651 Electrical Characteristics at Ta = 25°C, VCC1 = 24 V, VCC2 = 5 V Parameter Symbol Supply current (Per channel) ICC1 Logic supply current ICC2 Low-level input voltage VIL High-level Input Voltage VIH Low-level input current High-level input current Low-level inhibit voltage IIL IIH VinhL High-level inhibit voltage VinhH Low-level inhibit current High-level inhibit current IinhL IinhH VCE(sat)H VCE(sat)L VSENS Staturation voltage Sensing voltage Conditions VIN = L, IO = 0, Vinh = H VIN = H, IO = 0, Vinh = H Vinh = L VIN = L, IO = 0, Vinh = H VIN = H, IO = 0, Vinh = H Vinh = L VCC2 VCC2 VIN = VIN = %7V >7V L H − 0.3 V VCC2 % 7 V VCC2 > 7 V IO = –1 A IO = 1 A min typ 44 –0.3 2.3 2.3 30 –0.3 2.3 2.3 –100 max 1.5 6 1 60 22 24 +1.5 VCC2 7 ±10 100 +1.5 VCC2 7 –30 1.4 1.2 ±10 1.8 1.8 2 Unit mA mA mA mA mA mA V V V µA µA V V V µA µA V V V Pin Assignment Top view Truth Table VIN (per CH) Vinh VO H H H L H L H L Open* L L Open* *: High impedance No.2637-2/4 Low-level inhibit voltage, VinhL − V Input low-level voltage, VIL − V Input high-level voltage, VIH − V Logic supply current, ICC2 − mA Logic supply current, ICC2 − mA LB1651 Sample Application Circuit Logic supply voltage, VCC2 − V Ambient temperature, Ta − °C Ambient temperature, Ta − °C Ambient temperature, Ta − °C No.2637-3/4 Saturation voltage, VCE(sat)H − V Saturation voltage, VCE(sat)L − V Saturation voltage, VCE(sat)H − V LB1651 Ambient temperature, Ta − °C Saturation voltage, VCE(sat)L − V Allowable power dissipation, Pd max − W Output current, IO − A Ambient temperature, Ta − °C Ambient temperature, Ta − °C No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. Anyone purchasing any products described or contained herein for an above-mentioned use shall: 1 Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: 2 Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of April, 1996. Specifications and information herein are subject to change without notice. No.2637-4/4