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Low Duty LCD Segment Drivers - BU97501KV

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.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number | BU97501KV-E2
Status | Active
Package | VQFP64
Unit Quantity | 1000
Minimum Package Quantity | 1000
Packing Type | Taping
RoHS | Yes

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]

6.0

Power Supply for LCD (Min.)[V]

4.5

Power Supply for LCD (Max.)[V]

6.0

Max GPO [port]

4

Max KEYSCAN [Key]

30

LCD Driving Waveform

Line/Frame

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

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