Overview
The PCF8562TT/2,518 is a universal LCD driver designed by NXP USA Inc., specifically tailored for applications requiring low multiplex rates. This device is part of the Peripherals and Logic > LCD Drivers > LCD Segment Drivers category and is engineered to interface with a wide range of liquid crystal displays (LCDs). It is particularly suited for designs that demand reliable and efficient LCD driving with minimal power consumption. The PCF8562TT/2,518 is compatible with most microcontrollers and communicates via the two-line bidirectional I²C-bus, minimizing communication overheads through features like display RAM with auto-incremented addressing and hardware subaddressing.
Key Specifications
| Series | PCF8562TT |
|---|---|
| Product Status | Active |
| Display Type | LCD |
| Configuration | 32 Segment |
| Interface | I²C |
| Digits or Characters | 6 Characters, 8 Characters, 128 Elements |
| Current - Supply | 3.5 µA |
| Voltage - Supply | 1.8V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | TSSOP-48 |
| Maximum Clock Frequency | 400 kHz |
| Supply Current - Max | 20 uA |
| Power Dissipation | 400 mW |
| Moisture Sensitive | Yes |
Key Features
- Universal LCD driver compatible with a wide range of multiplex rates
- Low power consumption for efficient system operation
- High-reliability design for reduced error rates
- Selectable backplane drive configuration: static, 2, 3, or 4 backplane multiplexing
- Selectable display bias configuration: static, 1⁄2, or 1⁄3
- Internal LCD bias generation with voltage-follower buffers
- 32 segment drives: up to sixteen 7-segment numeric characters, up to eight 14-segment alphanumeric characters, or any graphics of up to 128 elements
- 32 × 4-bit RAM for display data storage
- Auto-incremented display data loading across device subaddress boundaries
- Display memory bank switching in static and duplex drive modes
- Versatile blinking modes
- Independent supplies possible for LCD and logic voltages
- No external components required
- Manufactured in silicon gate CMOS process
Applications
- Digital clocks and watches
- Graphic calculators
- Mobile phones and handheld devices
- Smart home systems and appliances
- Industrial control and monitoring applications
Q & A
- What is the primary function of the PCF8562TT/2,518?
The PCF8562TT/2,518 is a universal LCD driver designed to interface with and drive liquid crystal displays (LCDs) with low multiplex rates.
- What is the interface used by the PCF8562TT/2,518 for communication?
The device communicates via the two-line bidirectional I²C-bus.
- What are the operating voltage and current specifications of the PCF8562TT/2,518?
The operating voltage range is from 1.8V to 5.5V, and the supply current is 3.5 µA.
- What are the possible display configurations supported by the PCF8562TT/2,518?
The device supports configurations including up to sixteen 7-segment numeric characters, up to eight 14-segment alphanumeric characters, or any graphics of up to 128 elements.
- Is the PCF8562TT/2,518 suitable for automotive applications?
Yes, the PCF8562TT/2,518 is AEC-Q100 compliant, making it suitable for automotive applications.
- What is the maximum clock frequency of the I²C-bus interface?
The maximum clock frequency is 400 kHz.
- What is the operating temperature range of the PCF8562TT/2,518?
The operating temperature range is from -40°C to +85°C.
- Does the PCF8562TT/2,518 require external components for operation?
No, the PCF8562TT/2,518 does not require external components for operation.
- What is the package type of the PCF8562TT/2,518?
The package type is TSSOP-48.
- Is the PCF8562TT/2,518 moisture sensitive?
Yes, the PCF8562TT/2,518 is moisture sensitive.
