BU91R63CH-M is a low duty LCD segment driver designed for automotive COG applications, capable of driving up to 176 segments with selectable duty settings of 1/4, 1/3, 1/2, or static. It operates within a supply voltage range of +2.7 V to +6.0 V and supports an operating temperature range from -40 °C to +105 °C, making it suitable for harsh automotive environments. The device is AEC-Q100 compliant, ensuring reliability in automotive applications. It features integrated display RAM to reduce CPU load, an integrated oscillator circuit, and a power-on reset function, all contributing to low power consumption without the need for external components. Additionally, it includes functionality for reading display RAM and measuring ITO resistance, which aids in detecting malfunctions and ensuring proper mounting of the COG. This product is applicable in various automotive displays, including instrument clusters and climate controls.
BU91R63CH-M3BW is a 1/4, 1/3, 1/2 duty or static COG type LCD driver that can be used for automotive applications and can drive up to 176 LCD segments. This product can support VA LCD displays, which has better optical performance with higher LCD voltage driving and higher frame frequency driving. It can support operating temperature of up to +105°C and compliant for AEC-Q100, as required for Automotive Application. It has integrated display RAM for reducing CPU load. Also, it is designed with low power consumption and no external component needed. It includes read function for display RAM and command register, wherein it is possible to detect malfunction due to noise. Also a defective mounting of COG can easily be controlled by using pins to measure ITO resistance. It can support LCD contrast adjustment by its EVR function.
| ROHM Semiconductor GmbH | |
|---|---|
| Product Category | IC Interfaces |
| Product Number | BU91R63CH-M |
| Product Name | Low Duty LCD Segment Driver For Automotive COG Application |
| Device Type | LCD Driver |
