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| 00W015A Reversible Motor Driver BA6920FP-Y Description The BA6920FP-Y is an IC for small DC motor drive which has a wide operating voltage range. It has four output modes such as forward, reverse, stop and brake. When the motor is stopped, all circuits turn off automatically. A power save circuit that reduces current consumption and a power save terminal is included. This IC has 34V maximum operating voltage, so that it is useful for wide varieties of applications. Dimension(Units:mm) Features 1)Wide operating voltage range : 6.5~34V 2)Can be operated directly by TTL and CMOS 3)Low power consumption while the motor is stopping due to built-in power save circuit 4)Output high voltage can be set externally by VREF pin. 5)Built-in surge absorbing diode 6)Built-in TSD (Thermal shut down ) circuit 7) A signal ground and a power ground are provided separately, so that reversible/variable speed control is available by adding an electronic governor. Applications HSOP25 VCR, Audio system applications, Office automation equipment, Industrial applications Absolute Maximum Ratings(Ta=25 ) Parameter Supply voltage Power dissipation Operating temperature range Storage temperature range Output current Symbol VCC Pd Topr Tstg IOUT Limits 36 1450 *1 Unit V mW deg mA -30 ~ +85 -55 ~ +150 1000 *2 *1 Derating : 11.6mW/ for operation above Ta=25 (Mounted on a 70.0mm*70.0mm*1.6mm glass epoxy PCB.) *2 Do not exceed PD and ASO. March, 2000 Recommended Operating Conditions (Ta=25 ) Parameter Operating voltage range Symbol VCC VM Min. 6.5 6.5 Typ. Max. 34 34 Unit V V Electrical characteristics (Unless otherwise noted, Ta=25 , Vcc=12V, VM=12V) Parameter Circuit current 1 Circuit current 2 Standby circuit current Input voltage "H" level Input voltage "L" level "H" level input current Output saturation voltage Power save OFF voltage Power save ON voltage Symbol Icc1 Icc2 IST VIH VIL IIH VCE VPS OFF VPS ON Min. 5 3 3.0 100 2.0 Typ. 8 5 200 2.2 Max. 12 8 15 0.8 300 3.3 0.8 Unit mA mA A V V A V V V A VIN=3.0V Io=200mA (Sum of C-E voltage on upper and lower output Tr) Operate mode Standby mode VREF=6V, Io=100mA Brake mode Standby mode Conditions Forward or reverse mode 35 REF bias current IREF 12 *This product is not designed for protection against radioactive rays. Block diagram 17 Vcc 16 VM POWER SAVE 19 POWER SAVE REFERENCE VOLTAGE DRIVER Rin 20 Fin 18 VREF 21 CONTROL LOGIC DRIVER 5 OUT2 TSD 9 OUT1 BA6920FP-Y 8 GND 6 RNF 1~4.7.10~15.22~25 : N.C. *Radiation fin must connect with GND. |
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