BU91520KV-ME2 by Rohm
Low Duty LCD Segment Driver for Automotive application
| Status: | Recommended |
|---|---|
| Series: | - |
| RoHS: | Compliant |
Features
| 1/4 or 1/3duty setting selectable 1/4duty driving: Max 276 segments 1/3duty driving: Max 207 segments |
| 1/3 or 1/2 bias setting selectable |
| Support wide range of operation voltage from 2.7V to 6.0V, 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 |
| Integrated 6ch general purpose outputs/ PWM outputs (SEG selectable) |
| Support 256 step PWM function to realize backlight/ button LED illumination |
| Support LCD frame frequency from 49Hz to 195Hz, total 8setting |
| Support PWM frequency from 146Hz to 2.34KHz, total 16setting |
| Support 3 wire serial interface + KEYOUT |
| Support TTL level input to connect 3.3V MCU directly |
| Support Max 30 key input detection (SEG selectable) |
| Integrated voltage detected type power on reset circuit |
| No external components required |
| Low power consumption design |
| Support up to +105℃ operation, qualified AEC-Q100 Grade2 |
Specifications
| Grade | Automotive |
|---|---|
| Segment Element | 276 |
| Duty | 1/4, 1/3 |
| Bias | 1/3, 1/2 |
| Elements of MUX 1:3 | 207 |
| Elements of MUX 1:4 | 276 |
| Interface [line serial] | 3wire+KEYOUT |
| Interface Voltage (Min.)[V] | 2.7 |
| Interface Voltage (Max.)[V] | 6 |
| Power Supply for LCD (Min.) [V] | 2.7 |
| Power Supply for LCD (Max.) [V] | 6 |
| Max GPO [port] | 6 |
| Max KEYSCAN [Key] | 30 |
| TTL input Support | Yes |
| LCD Driving Waveform | Line/Frame |
| Operating Temperature (Min.)[°C] | -40 |
| Operating Temperature (Max.)[°C] | 105 |
| Package Size [mm] | 14x14 (t=1.6) |
| Common Standard | AEC-Q100 (Automotive Grade) |
Resources
Data Sheet |
|---|
| BU91520KV-M Data Sheet |
Application Note |
|---|
| Design Guide and Example of Stencil for Exposed Pad |
Schematic Design & Verification |
|---|
| Impedance Characteristics of Bypass Capacitor |
Package Information |
|---|
| Package Information |
| Anti-Whisker formation |
Manufacturing Data |
|---|
| Factory Information |
Environmental Data |
|---|
| UL94 Flame Classifications of Mold Compound |
| Compliance with the ELV directive |
| RoHS Comission Delegated Directive |
Export Information |
|---|
| The Export Control Order |
| Export Administration Regulations(EAR) |
Alternative Descriptions
| Low Duty LCD Segment Driver 276 Segment 2.7V to 6V 3Wire Serial Interface 80-Pin VQFP T/R | Avnet America |
| LCD SEGMENT DRIVER, AEC-Q100, VQFP-80 | Farnell |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a BU91520KV-ME2?
Additional datasheets, footprints and schematics for BU91520KV-ME2 are listed on our Part Details page. You can also find images and similar parts to BU91520KV-ME2 on this page.
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Submit any questions directly to the customer support team of the distributor listing the product. For the BU91520KV-ME2 you can contact the distributor directly for product support, shipping queries etc.
Is the BU91520KV-ME2 RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by ROHM Semiconductor.
Which authorised distributors for BU91520KV-ME2 have stock available?
Authorised distributors including Chip One Stop, CoreStaff, Avnet America and Farnell have stock available or on a lead time for BU91520KV-ME2.
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