BU97550KV-ME2

The BU97550KV-ME2 is a multi-function LCD segment driver in 80 pin VQFP package. The BU97550KV-M is 1/8, 1/7, 1/5, 1/4, 1/3, or 1/1 duty general-purpose LCD driver that can be used for frequency display in electronic tuners under the control of a microcontroller. The 1/8 duty drive can drive up to 528 segments, 1/7 duty drive can drive up to 469 segments, 1/5 duty drive can drive up to 345 segments, 1/4 duty drive can drive up to 280 segments, 1/3 duty drive can drive up to 210 segments, 1/1 duty drive can drive up to 70 segments. The BU97550KV-M can also control up to 9 general-purpose output ports. This product also incorporate a key scan circuit that accepts input from up to 30 keys to reduce printed circuit board wiring. It does not require any external components and has a low power consumption design. Typical applications include car audio, home electrical appliance and meter equipment.

• Supply voltage range from 2.7V to 6V
• Serial data control of frame frequency for common and segment output waveforms
• Serial data control of switching between segment output port, PWM output port and GPIO
• Integrated power-on reset circuit
• Integrated oscillator circuit
• Selectable bias of 1/1, 1/2, 1/3, 1/4
• Automotive grade 2 AEC-Q100 qualified
• Operating temperature range from -40°C to +85°C

Applications

Power Management, Automotive

Warnings

This product is electrostatic sensitive product and it may be damaged due to electrostatic discharge. Please take proper caution. Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Notes

The residue of flux may negatively affect product performance and reliability when highly active halogenous (chlorine, bromine etc) flux is used.