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BD6889GU-E2 Datasheet(PDF) 2 Page - Rohm |
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BD6889GU-E2 Datasheet(HTML) 2 Page - Rohm |
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2 / 21 page  2/17 TSZ02201-0H3H0B601390-1-2 © 2015 ROHM Co., Ltd. All rights reserved. www.rohm.com TSZ22111・15・001 BD6889GU 09.Dec.2015 Rev.001 R2 VM4 OUT6A OUT6B PS OUT1A OUT1B OUT2A OUT2B H bridge Full ON H bridge Full ON M IN1A BandGap TSD & UVLO C7 H2 H3 H7 H6 VM1 H5 PGND1 H4 OUT3A OUT3B OUT4A OUT4B H bridge Full ON H bridge Full ON M G8 F8 B8 C8 D8 PGND2 E8 VM2 IN1B L o g i c 1 2 E3 E4 IN2A IN2B F3 G3 L o g i c 1 2 IN3B F6 F7 IN4A IN4B E6 E5 IN3A L o g i c 3 4 Bypass filter capacitor for power supply Bypass filter capacitor for power supply Power Saving H :Active L : Stand-by Motor control input Motor control input Bypass filter capacitor for power supply RNF 0.1Ω to 5.0Ω OUT7A OUT7B H bridge Const. Current C1 G1 E1 IN7A C4 IN7B D4 L o g i c 7 SENSE F1 G2 Motor control input When using the VREF voltage (0.9V) resistor division value as VLIM input value, select R1 and R2 values, as follows 1kΩ ≤ R1+R2 ≤ 20k Power Save OUT5A OUT5B H bridge Full ON H bridge Full ON M A7 A6 A2 A3 A4 PGND3 A5 VM3 IN5B C6 D5 IN6A IN6B B3 B4 IN5A L o g i c 5 6 Bypass filter capacitor for power supply Motor control input D1 GND The sensor signal SI2, for lens position detection, is reshaped and output to SO2x VCC 1µF to 100µF D2 Bypass filter capacitor for power supply Level Shift & Pre Driver Level Shift & Pre Driver Level Shift & Pre Driver The motor output current is converted to a voltage with the external RNF resistor and transmitted to the SENSE pin. IOUT[A] = VVLIM[V]÷RRNF[Ω] VLIM F2 VREF VREF D3 R1 VCC VCC VCC SW SW SO1N F4 SO1P G4 G5 SI1 VCC VCC VCC SW SW SO2N F5 SO2P G6 G7 SI2 VCC VCC VCC SW SW SO3N D6 SO3P D7 E7 SI3 VCC VCC VCC SW SW SO4P B5 SO4N B6 SI4 C5 REG REG REG REG Level Shift & Pre Driver VCC SW C2 REG B7 DSEL1 DSEL2 E2 C3 B2 DSW DTR Selector Digital transistor SW Selector for digital transistor REG switch H : REG ON L : REG OFF Power supply for photo interrupter The sensor signal SI1, for lens position detection, is reshaped and output to SO1x The sensor signal SI3, for lens position detection, is reshaped and output to SO3x Logic7 Logic56 Logic34 Logic12 1µF to 100µF 1µF to 100µF 1µF to 100µF 1µF to 100µF Typical Application Circuit The sensor signal SI4, for lens position detection, is reshaped and output to SO4x |
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