BU97501KV
Low Duty LCD Segment Drivers
BU97501KV
Low Duty LCD Segment Drivers
BU97501KV is a 1/4 or 1/3 duty general-purpose LCD driver that can be used for consumer / battery operated products and can drive up to 204 LCD Segments. It can support up to 4 general-purpose outputs to control LED devices. It can also support key a scan function that detects a maximum of 30 key inputs to reduce PCB wiring and to minimize microcontroller size and cost.
For Automotive usage, please contact Sales.
Product Detail
Specifications:
Grade
Consumer
Segment Element
204
Duty
1/4, 1/3
Bias
1/3, 1/2
Elements of MUX 1:3
156
Elements of MUX 1:4
204
Interface [line serial]
3wire+KEYOUT
Interface Voltage (Min.)[V]
2.7
Interface Voltage (Max.)[V]
6
Power Supply for LCD (Min.) [V]
4.5
Power Supply for LCD (Max.) [V]
6
Max GPO [port]
4
Max KEYSCAN [Key]
30
LCD Driving Waveform
Line/Frame
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size [mm]
12x12 (t=1.6)
Features:
- 1/4 or 1/3 duty setting selectable
1/4duty driving: Max 204 segments
1/3duty driving: Max 156 segments - 1/3 or 1/2 bias setting selectable
- Power supply for Interface: 2.7V to 6.0V
- Power supply for LCD: 4.5V to 6.0V
- Integrated LCD voltage driving circuit
- Integrated oscillation circuit for LCD frame frequency
- Line or Frame inversion driving selectable
- Integrated 4ch general purpose outputs
(SEG selectable) - Support 3 wire serial interface + KEYOUT
- Support Max 30 key input detection (SEG selectable)
- Integrated power on reset circuit
- No external components required
- Low power consumption design
