BU91510KV-ME2 ROHM

Datasheet LCD Segment Drivers Multi-function LCD Segment Drivers BU91510KV-M MAX 216 Segment(54SEG x 4COM) General Description Key Specifications The BU91510KV-M is 1/4 or 1/3 Duty General-purpose Supply Voltage Range: +2.7V to +6.0V LCD driver that can be used for frequency display in Operating Temperature Range: -40C to +105C electronic tuners under the control of a microcontroller. Max Segments: 216 Segments The BU91510KV-M can drive up to 216 LCD Segments Display Duty: 1/3, 1/4 Selectable directly. The BU91510KV-M can also control up to 6 Bias: 1/2, 1/3 Selectable General-purpose output pins / 6 PWM output pins. Interface: 3wire Serial Interface Features (Note 1) Package W(Typ) x D(Typ) x H(Max) AEC-Q100 Qualified Either 1/4 or 1/3 Duty can be selected with the Serial Control Data. 1/4 Duty Drive: up to 216 Segments 1/3 Duty Drive: up to 162 Segments Serial Data Control of Frame Frequency for Common and Segment Output Waveforms Serial Data Control of Switching between the Segment Output Pin, PWM Output Pin and General-purpose Output Pin Functions(Max 6 Pin) Built-in OSC Circuit The INHb Pin can Force the Display to the off State. Integrated Voltage Detect Type Power on Reset VQFP64 (VDET) circuit 12.00mm x 12.00mm x 1.60mm No External Component Low Power Consumption Design (Note 1) Grade 2 Applications Car Audio, Home Electrical Appliance, Meter Equipment etc. Typical Application Circuit (P1/G1) (General-purpose / PWM pins) (P6/G6) (For use control of backlight) +5V VDD COM1 COM2 COM3 (Note 2) COM4 S1/P1/G1 S2/P2/G2 S6/P6/G6 LCD Panel S7 (Up to 216 Segments) INHb SCE S51 From S52/OSC Controller SCL S53 SDI S54 (Note 2) Insert capacitors between VDD and VSS C 0.1F Figure 1. Typical Application Circuit Product structure : Silicon monolithic integrated circuit This product is not designed protection against radioactive rays. www.rohm.com TSZ02201-0P4P0D301130-1-2 2015 ROHM Co., Ltd. All rights reserved. 1/31 TSZ22111 14 001 18.Jul.2019 Rev.003 BU91510KV-M Block Diagram COM4 COM3 COM2 COM1 S54 S53 S52/OSC S7 S6/P6/G6 S1/P1/G1 COMMON Driver SEGMENT Driver/Latch INHb Clock /Timing Generator LCD voltage PWM Register Control Register Generator VLCD VDD VLCD1 Shift Register VDET VLCD2 Serial Interface VSS SCE SCL SDI Figure 2. Block Diagram Pin Arrangement 49 32 S49 S32 S50 S31 COM4 S30 COM3 S29 COM2 S28 COM1 S27 S51 S26 VDD S25 S53 S24 S54 S23 VSS S22 S52/OSC S21 INHb S20 SCE S19 SCL S18 SDI S17 64 17 Figure 3. Pin Configuration (TOP VIEW) www.rohm.com TSZ02201-0P4P0D301130-1-2 2015 ROHM Co., Ltd. All rights reserved. 2/31 TSZ22111 15 001 18.Jul.2019 Rev.003 11 1616 48 G1/P1/S1 S48 G2/P2/S2 S47 G3/P3/S3 S46 G4/P4/S4 S45 G5/P5/S5 S44 G6/P6/S6 S43 S7 S42 S8 S41 S9 S40 S10 S39 S11 S38 S12 S37 S13 S36 S14 S35 S15 S34 S16 S33 33