BU97981KV-E2 Drivers & Interfaces by Rohm

Low Duty LCD Segment Drivers


BU97981KV is a 1/4, 1/3duty or Static general-purpose LCD driver that can be used for consumer / battery operated products and can drive up to 196 LCD Segments. It has integrated display RAM for reducing CPU load. Also, it is designed with low power consumption and no external component needed. It can support up to 31 general-purpose outputs to control LED devices and can control 3ch LED driver that able to support LED PWM illumination.

Where to Buy

Prices starting from US$1.83

Distributor Stock
Logo for Farnell
Farnell
from US$2.62
No stock
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Logo for CoreStaff
CoreStaff
from US$1.83
500
in stock
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Logo for Chip One Stop
Chip One Stop
from US$3.06
80
in stock
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Logo for Rutronik
Rutronik
from US$2.07
-
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Logo for Newark Electronics
Newark Electronics
from US$3.01
-
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Logo for Future Electronics
Future Electronics
from US$2.47
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Logo for Avnet America
Avnet America
from US$2.43
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Logo for element14
element14
from US$2.78
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Features

1/4, 1/3duty or Static setting selectable 1/4duty driving: Max 196 segments 1/3duty driving: Max 147 segments Static driving: Max 49 segments
1/3 bias setting
Power supply for Interface: 1.8V to 3.6V
Power supply for LCD: 3.3V to 5.5V
Integrated LCD voltage driving circuit
Integrated oscillation circuit for LCD frame frequency
Line or Frame inversion driving selectable
Integrated 31ch general purpose outputs (SEG selectable)
Integrated 3ch LED driver able to support 4096 step PWM illumination
Support individual blink function with dedicated blink RAM integrated
Support 3 wire serial interface
Support INHb terminal to control Display ON/OFF
Integrated voltage detected type power on reset circuit
No external components required
Low power consumption design

Specifications

Grade Consumer
Segment Element 196
Duty 1/4, 1/3, Static
Bias 1/3
Elements of MUX 1:1 49
Elements of MUX 1:3 147
Elements of MUX 1:4 196
Interface [line serial] 3wire
Interface Voltage (Min.)[V] 1.8
Interface Voltage (Max.)[V] 3.6
Power Supply for LCD (Min.) [V] 3.3
Power Supply for LCD (Max.) [V] 5.5
Max GPO [port] 31
LED Driver [port] 3
LCD Driving Waveform Line/Frame
Operating Temperature (Min.)[°C] -30
Operating Temperature (Max.)[°C] 75
Package Size [mm] 12x12 (t=1.6)

Alternative Descriptions

LCD Driver 196 Seg. | Rutronik
Lcd Driver, 196Seg, 3.6V, Vqfp-64 | Newark Electronics
Multi-function LCD Segment Drivers | Future Electronics
LCD DRVR 1.8V to 3.6V 64-Pin VQFP Embossed T/R | Avnet America
LCD DRIVER, 196SEG, 3.6V, VQFP-64 | element14


Frequently Asked Questions

Where can I find additional details, specifications and documents for a BU97981KV-E2?

Additional datasheets, footprints and schematics for BU97981KV-E2 are listed on our Part Details page. You can also find images and similar parts to BU97981KV-E2 on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for BU97981KV-E2 on our Product Comparison page. Access via the 'View Pricing & Stock' button to view BU97981KV-E2 price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does BU97981KV-E2 fall under?

The BU97981KV-E2 is listed under Semiconductors - ICs > Drivers & Interfaces > Display Drivers.

Can I view similar or alternative parts?

You can view similar parts to BU97981KV-E2 when available in the Display Drivers range under the specifications section at the bottom of the details page.

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 BU97981KV-E2 you can contact the distributor directly for product support, shipping queries etc.

Is the BU97981KV-E2 RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by ROHM Semiconductor.

Which authorised distributors for BU97981KV-E2 have stock available?

Authorised distributors including CoreStaff, Chip One Stop, Rutronik, Newark Electronics and Future Electronics have stock available or on a lead time for BU97981KV-E2.

How do I check stock and lead times for all distributors?

Stock availability and lead times will be displayed for BU97981KV-E2 often in real-time on the comparison pages.

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