DatasheeDatasheett 0.5 Amp or Less Reversible Motor Drivers (Single Motor) BH6578FVM BD7931F General Description Key Specifications The BH6578FVM and BD7931F are reversible motor Supply Voltage Range: drivers with a wide output dynamic range, with power BH6578FVM 4.5V to 5.5V MOS used for the output transistor. The motor drivers BD7931F 4.5V to 14V can be set to four output modes 1) forward (normal) Standby Current: rotation, 2) reverse rotation, 3) stop (idling or OFF) BH6578FVM 0.4mA (Typ) and 4) brake using 2 logic inputs. BD7931F 0A (Typ) ON-Resistance(Top + Bottom): 1.0 (Typ) Features Operating Temperature Range: BH6578FVM -35C to +85C Wide dynamic range loading driver with MOS BD7931F -40C to +85C output, RON = 1.0 (Top + Bottom) With loading driver voltage setting terminal Built-in Thermal Shutdown Circuit (TSD) Packages W(Typ) x D(Typ) x H(Max) Applications Tray loading of CD/DVD, applications using DC motors MSOP8 (BH6578FVM) SOP8 (BD7931F) 2.90mm x 4.00mm x 0.90mm 5.00mm x 6.20mm x 1.71mm Typical Application Circuit, Block Diagram, Pin Configuration and Pin Descriptions BH6578FVM, BD7931F (in common) TOP VIEW REV IN LDCONT PREGND FWD IN Pin No. Pin Name Function 1 VCC Supply voltage 6 5 8 7 2 OUT+ FWD output PRE F R GND 3 OUT- REV output Control Logic 4 GND Power ground LDCONT + - 5 GND S Signal ground TSD 6 LDCONT Loading driver voltage setting pin POW CMOS H-Bridge 7 INREV REV input POW GND 8 INFWD FWD input 1 2 3 4 M 0.1F Bypass VCC POWGND capacitor Product structureSilicon monolithic integrated circuit This product has no designed protection against radioactive rays www.rohm.com TSZ02201-0H5H0BK01500-1-2 2015 ROHM Co., Ltd. All rights reserved. 1/13 04.Nov.2015 Rev.001 TSZ2211114001 BH6578FVM BD7931F Absolute Maximum Ratings (Ta=25C) Rating Parameter Symbol Unit BH6578FVM BD7931F Supply Voltage V 7 15 V CC (Note 1) (Note 2) Power Dissipation Pd 0.55 0.69 W Operating Temperature Topr -35 to +85 -40 to +85 C Storage Temperature Tstg -55 to +150 C Output Current I 500 mA OUT Junction Temperature Tjmax 150 C (Note 1) When 70 mm x 70 mm x 1.6 mm thick glass epoxy substrate with less than 3% copper foil occupancy ratio is mounted. When used at Ta=25C or higher, derated at 4.4 mW/C. (Note 2) When 70 mm x 70 mm x 1.6 mm thick glass epoxy substrate with less than 3% copper foil occupancy ratio is mounted. When used at Ta=25C or higher, derated at 5.5 mW/C. Caution: Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between pins or an open circuit between pins and the internal circuitry. Therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the IC is operated over the absolute maximum ratings. Recommended Operating Conditions BH6578FVM BD7931F Parameter Symbol Min Typ Max Min Typ Max Supply Voltage V 4.5 5 5.5 4.5 8 14 V CC Truth Table BH6578FVM, BD7931F INPUT OUTPUT Function INFWD INREV OUT+ OUT- L L Hi-Z Hi-Z High Impedance L H L H REV mode H L H L FWD mode H H L L Brake mode Hi-Z : Hi-impedance www.rohm.com TSZ02201-0H5H0BK01500-1-2 2015 ROHM Co., Ltd. All rights reserved. 2/13 04.Nov.2015 Rev.001 TSZ2211115001