DatasheeDatasheett Motor Drivers for Digital Still Cameras 7-Channel System Lens Driver for Digital Still Cameras BD6889GU General Description Key Specifications The BD6889GU is a motor driver that integrates 6 Power Supply Voltage Range: 2.5V to 5.7V Full-ON type H-Bridges and 1 Linear Constant-Current Motor Power Supply Voltage Range: 2.5V to 5.7V type H-Bridge. The device is intended to drive three Circuit Current (No Signal): 1.5mA(Typ) stepping motor for auto focus system, zoom, and iris, Stand-By Current: 10A (Max) and making it possible to design a sophisticated, high Control Input Voltage Range: 0V to VCCV precision lens drive system. H-Bridge Output Current: -0.5A/ch to +0.5A/ch Output ON-Resistance (Channel 1 to 6): 1.3(Typ) Output ON-Resistance (Channel 7): 0.9(Typ) Features Operating Temperature Range: -25C to +85C Low ON-Resistance Power CMOS Output 4 Digital NPN Transistor Circuits for Rectangular Waveform of Photo-Interrupter: Package W(Typ) x D(Typ) x H(Max) Input-Dividing Type with Output Pull-up Resistor VBGA063T050 5.00mm x 5.00mm x 1.20mm 4 Digital PNP Transistor Circuits for Rectangular Waveform of Photo-Interrupter: Input-Dividing Type with Output Pull-down Resistor Voltage-Regulator Circuit for Photo-Interrupter High-Precision (0.9V2%) Reference Voltage Output Phase Compensation Capacitor-Free Design for Linear Constant-Current Drive Block High-Precision (3%) Linear Constant-Current Driver Under Voltage Locked Out Protection & Thermal Shut Down Circuit VBGA063T050 Applications Mobile system Home appliance Amusement system, etc Product structureSilicon monolithic integrated circuit This product has no designed protection against radioactive rays . www.rohm.com TSZ02201-0H3H0B601390-1-2 2015 ROHM Co., Ltd. All rights reserved. 1/17 09.Dec.2015 Rev.001 TSZ2211114001 Not Recommended for New DesignsBD6889GU Typical Application Circuit Bypass filter capacitor for power supply Power Saving 1F to 100F VCC H :Active Bypass filter capacitor for L : Stand-by D2 power supply PS C7 Power Save TSD & UVLO BandGap 1F to 100F H5 Motor control input VM1 H2 OUT1A IN1A E3 H bridge M Level Shift Full ON OUT1B H3 IN1B E4 LL & Logic12 IN2A F3 H7 oo Pre Driver H bridge OUT2A gg Bypass filter capacitor for G3 IN2B Full ON OUT2B ii H6 power supply cc PGND1 H4 11 1F to 100F 22 D8 Motor control input VM2 G8 OUT3A H bridge IN3A F6 M Level Shift OUT3B Full ON F7 F8 IN3B L & Logic34 B8 IN4A E6 o OUT4A Pre Driver H bridge g E5 Bypass filter capacitor for IN4B Full ON OUT4B i C8 power supply c PGND2 E8 3 1F to 100F 4 A4 Motor control input VM3 A7 H bridge OUT5A IN5A C6 M Level Shift Full ON OUT5B IN5B D5 A6 Logic56 L & IN6A B3 A2 o OUT6A Pre Driver H bridge Bypass filter capacitor for g B4 IN6B power supply Full ON OUT6B i A3 c PGND3 A5 5 1F to 100F 6 Motor control input D1 VM4 The motor output current is Level Shift C1 converted to a voltage with the IN7A C4 OUT7A H bridge L & Logic7 external RNF resistor and Const. Current OUT7B D4 IN7B o transmitted to the SENSE pin. G1 Pre Driver I A = V V R g OUT VLIM RNF RNF i E1 Selector for digital c transistor 0.1 to 5.0 7 F1 SENSE VLIM DSEL1 E2 F2 Digital DTR Selector R 2 transistor SW C3 DSEL2 R 1 D3 DSW VREF B2 VCC VCC VREF When using the VREF voltage (0.9V) resistor division value as VLIM input REG switch value, select R1 and R2 values, as B5 H : REG ON SO4P follows VCC VCC L : REG OFF 1k R +R 20k 1 2 B6 SO4N SW C2 REG SW SW REG B7 C5 SI4 VCC VCC VCC VCC VCC VCC Power supply for photo interrupter The sensor signal SI4, for lens position VCC VCC VCC detection, is reshaped and output to SO4x SW SW SW SW SW SW G2 F4 G5 G4 F5 G7 G6 D6 E7 D7 GND SO1N SO2N SO3P SI1 SI2 SI3 SO3N SO1P SO2P REG REG REG The sensor signal SI3, for lens position detection, is reshaped and output to SO3x The sensor signal SI1, for lens position detection, is reshaped and output to SO1x The sensor signal SI2, for lens position detection, is reshaped and output to SO2x www.rohm.com TSZ02201-0H3H0B601390-1-2 2015 ROHM Co., Ltd. All rights reserved. 2/17 TSZ2211115001 09.Dec.2015 Rev.001 Not Recommended for New Designs