Datasheet Low Duty LCD Segment Driver for Automotive applica tion BU97601FV-M MAX 116 Segments (29SEG x 4COM) General Description Key Specifications The BU97601FV-M is a 1/4, 1/3, 1/2 duty or Static Supply Voltage Range: +2.7 V to +6.0 V general-purpose LCD driver that can be used for Operating Temperature Range: -40 C to +85 C automotive applications and can drive up to 116 LCD Max Segments: 116 Segments Segments. Display Duty Static, 1/2, 1/3, 1/4 Selectable This product can support VA LCD displays, which has Bias: 1/2, 1/3 Selectable better optical performance with higher LCD voltage Interface: 3wire Serial Interface driving and higher frame frequency driving. It can control up to 16 general-purpose outputs / 16 PWM output ports for LED backlighting and LED button Special Characteristics illumination realizing less flicker by various frequency Electrostatic Discharge Voltage(HBM): 2000 V setting function. Latch-up Current: 100 mA It can also support a key scan function that detects a maximum of 20 key inputs to reduce PCB wiring and to minimize microcontroller size and cost. Applications It can support LCD contrast adjustment by its EVR Instrument Clusters function and TTL compatible input interface is also Climate Controls available, these are well-suited for wide-voltage range of Car Audios MCUs. Car Radios Metering Features White Goods (Note) AEC-Q100 Qualified Healthcare Products 1/4, 1/3, 1/2 duty or Static Setting Selectable Battery Operated Products 1/4 duty: Max 116 Segments, etc. 1/3 duty: Max 87 Segments 1/2 duty: Max 58 Segments, Static: Max 29 Segments Package 1/3 or 1/2 Bias Setting Selectable W (Typ) x D (Typ) x H (Max) Support wide range of operation voltage from 2.7 V to 6.0 V, which can support TN LCD and VA LCD display. Integrated LCD Voltage Driving Circuit Integrated Oscillation Circuit for LCD Frame Frequency Line or Frame Inversion Driving Selectable Max 16ch External PWM Outputs (SEG outputs/general purpose outputs selectable) Max 6ch Internal PWM Outputs SSOP-B40 (SEG outputs/general purpose outputs/external PWM 13.6 mm x 7.8 mm x 2.0 mm outputs selectable) Support 256 Step PWM Function to Realize Backlight Button LED Illumination Support LCD Frame Frequency from 50 Hz to 685 Hz, Total 128-setting Support PWM Frequency from 146 Hz to 2.34 kHz, Total 16-setting Support 3 Wire Serial Interface + KEYOUT Support TTL Level Input to Connect 3.3 V MCU Directly Support Max 20 Keys Input Detection (SEG selectable) Integrated EVR Function to Adjust LCD Contrast Integrated Voltage Detected Type Power on Reset Circuit No External Components Required Low Power Consumption Design (Note) Grade 3 Product structure : Silicon monolithic integrated circuit This product is not designed protection against radioactive rays. www.rohm.com TSZ02201-0P4P0D301630-1-2 2016 ROHM Co., Ltd. All rights reserved. 1/63 TSZ22111 14 001 01.Oct.2019 Rev.002 Datasheet BU97601FV-M MAX 116 Segments (29SEG x 4COM) Typical Application Circuit Key matrix (P1/G1) (P6/G6) (General purpose/PWM ports) (For use control of backlight) (P16/G16) KS1/S23 KI1/S32 COM1 KS5/S27 KI4/S35 COM2 COM3 COM4 S5/P1/G1 S6/P2/G2 VDD +5 V (Note) S10/P6/G6 LCD Panel S11/P7/G7 INHb (Up to 116 Segments) SCE From Controller SCL SDI S20/P16/G16 SDO To Controller S21 S22 PWMIN/S36 From Controller OSCIN/S37 (Note) Insert capacitors between VDD and VSS C > 0.1 F. Figure 1. Typical Application Circuit www.rohm.com TSZ02201-0P4P0D301630-1-2 2016 ROHM Co., Ltd. All rights reserved. 2/63 TSZ22111 15 001 01.Oct.2019 Rev.002