onsemi LC75857W 1/3, 1/4-Duty LCD Driver IC with Key Input Function — up to 164 segments, 30-key input, CCB serial interface, 2.7–6 V, SPQFP64/SQFP64, Pb-Free, tray 800 pcs. Versatile LCD display driver supporting both 1/3 and 1/4 duty drive schemes with up to 164 segment outputs and integrated key scan circuit for up to 30 keys. Configurable bias, frame frequency, and oscillator mode via serial data, with on-chip voltage-detection reset.
Available in stock — ships within 3 days after payment.
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Product overview
| Part number | LC75857W |
| Manufacturer | onsemi (formerly Sanyo Semiconductor) |
| Date code | 2401 |
| Product type | 1/3, 1/4-duty LCD driver IC with key input function |
| Max. segment outputs | 126 segments (1/3 duty) / 164 segments (1/4 duty) |
| Common outputs | 3 (1/3 duty) / 4 (1/4 duty) |
| Key input function | Up to 30 keys (6 scan outputs × 5 inputs) |
| General-purpose output ports | Up to 4 |
| Duty drive schemes | 1/3 duty and 1/4 duty (selectable via serial data) |
| Bias drive schemes | 1/2 bias and 1/3 bias (selectable via serial data) |
| Serial interface | CCB (Computer Control Bus) format — CE, CL, DI, DO |
| Supply voltage (VDD) | 2.7 V to 6.0 V |
| LCD supply voltage (VLCD) | 0.75 × VDD to 6.0 V (VDD = 3.6–6.0 V) / 2.7–6.0 V (VDD = 2.7–3.6 V) |
| Oscillator frequency range | 19–76 kHz (RC oscillator or external clock, selectable) |
| Recommended RC oscillator | ROSC = 39 kΩ, COSC = 1,000 pF (typ. 38 kHz) |
| Power dissipation (max.) | 200 mW (Ta = 85°C) |
| Supply current (IDD) | 300 µA typ. / 600 µA max. (VDD = 6.0 V, fosc = 38 kHz) |
| Sleep mode supply current | 100 µA max. (VDD) |
| Power-down detection voltage (VDET) | 2.0 V min. / 2.2 V typ. / 2.4 V max. |
| Serial timing (setup/hold) | 160 ns min. (data setup, hold, CE setup/hold) |
| Operating temperature range | −40°C to +85°C |
| Storage temperature range | −55°C to +125°C |
| Package | SPQFP64 / SQFP64 — 10 × 10 mm (Case 131AK) |
| Packing | JEDEC tray — 800 pcs |
| RoHS compliant | Yes — Pb-Free |
| Condition | New — sealed in original packaging (OVP) |
Applications
- LCD display driving in consumer electronics such as audio equipment, home appliances, and remote controls
- Instrument panels and control interfaces requiring segment LCD output
- Systems combining display output with keypad matrix scanning
- Low-power embedded designs requiring sleep mode and configurable frame frequency
Shipping
- Ships within 3 days after payment
- Secure packaging for safe delivery
- Free delivery within Germany
Warranty & compliance
- 12-month warranty included
- Product is fully compliant with EU industry standards
- VAT invoice included with every order
(GPSR (EU) 2023/988): Contact us for Manufacturer/EU Responsible Party product safety contact details.
Rezensionen
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