BU97931FV-E2 by Rohm
Low Duty LCD Segment Drivers
| Status: | Recommended |
|---|---|
| Series: | - |
| RoHS: | Compliant |
Features
| 1/4, 1/3duty or Static setting selectable 1/4duty driving: Max 112 segments 1/3duty driving: Max 84 segments Static driving: Max 28 segments |
| 1/3 bias setting |
| Power supply for Interface: 1.8V to 3.6V |
| Power supply for LCD: 2.7V to 5.5V |
| Integrated LCD voltage driving circuit |
| Integrated oscillation circuit for LCD frame frequency |
| Line or Frame inversion driving selectable |
| Integrated 5ch general purpose outputs (SEG selectable) |
| Integrated 1ch LED driver able to support 256 step PWM illumination |
| Support individual blink function with dedicated blink RAM integrated |
| Support 3 wire serial interface |
| Integrated voltage detected type power on reset circuit |
| No external components required |
| Low power consumption design |
Specifications
| Grade | Consumer |
|---|---|
| Segment Element | 112 |
| Duty | 1/4, 1/3, Static |
| Bias | 1/3 |
| Elements of MUX 1:1 | 28 |
| Elements of MUX 1:3 | 84 |
| Elements of MUX 1:4 | 112 |
| Interface [line serial] | 3wire |
| Interface Voltage (Min.)[V] | 1.8 |
| Interface Voltage (Max.)[V] | 3.6 |
| Power Supply for LCD (Min.) [V] | 2.7 |
| Power Supply for LCD (Max.) [V] | 5.5 |
| Max GPO [port] | 5 |
| LED Driver [port] | 1 |
| LCD Driving Waveform | Line/Frame |
| Operating Temperature (Min.)[°C] | -40 |
| Operating Temperature (Max.)[°C] | 85 |
| Package Size [mm] | 13.6x7.8 (t=2) |
Resources
Data Sheet |
|---|
| BU97931FV 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
| Multifunction LCD Segment Driver | Rutronik |
| LCD DRVR 2.5V/3.3V 40-Pin SSOP-B T/R | Avnet America |
| LCD SEGMENT DRIVER, 112 SEG, SSOP-40 | Farnell |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a BU97931FV-E2?
Additional datasheets, footprints and schematics for BU97931FV-E2 are listed on our Part Details page. You can also find images and similar parts to BU97931FV-E2 on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for BU97931FV-E2 on our Product Comparison page. Access via the 'View Pricing & Stock' button to view BU97931FV-E2 price breaks, MOQs, lead times, inventory and SKUs from distributors.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the BU97931FV-E2 you can contact the distributor directly for product support, shipping queries etc.
Is the BU97931FV-E2 RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by ROHM Semiconductor.
Which authorised distributors for BU97931FV-E2 have stock available?
Authorised distributors including Chip One Stop, CoreStaff, Rutronik, Avnet America and Farnell have stock available or on a lead time for BU97931FV-E2.
How do I check stock and lead times for all distributors?
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