Overview
The PCA8576CH/Q900/1118, produced by NXP USA Inc., is a versatile and highly integrated LCD driver designed for automotive and other low multiplex rate LCD applications. This single-chip LCD controller and driver is compatible with most microcontrollers and communicates via the two-line bidirectional I2C-bus. It is AEC-Q100 compliant, making it suitable for automotive environments. The device can drive up to 40 segments, supporting various display configurations including up to twenty 7-segment alphanumeric characters, up to ten 14-segment alphanumeric characters, or any graphics of up to 160 elements.
Key Specifications
| Parameter | Description |
|---|---|
| Package | 64-LQFP (10x10 mm) |
| Interface | I2C (up to 315 kHz) |
| Display Type | LCD |
| Segment Configuration | Up to 40 segments: 20x 7-segment, 10x 14-segment, or 160 graphics elements |
| Voltage Supply | 2 V to 6 V (LCD supply), 1.8 V to 5.5 V (logic supply) |
| Operating Temperature | -40°C to 85°C |
| Power Consumption | Low power consumption; power-saving mode for extremely low power |
| RoHS Status | Lead free / RoHS Compliant |
Key Features
- AEC-Q100 compliant for automotive applications
- Single-chip LCD controller and driver
- 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
- 40 x 4-bit RAM for display data storage
- Auto-incremented display data loading across device subaddress boundaries
- No external components required, even in multiple device applications
- Optimized pinning for plane wiring in both single and multiple PCA8576C applications
- Power-saving mode for extremely low power consumption
Applications
The PCA8576CH/Q900/1118 is suitable for a wide range of applications, including:
- Automotive LCD displays
- Industrial control panels
- Medical devices with LCD displays
- Consumer electronics requiring low power LCD solutions
- Battery-operated devices and telephones
Q & A
- What is the PCA8576CH/Q900/1118 used for?
The PCA8576CH/Q900/1118 is used as an LCD driver for low multiplex rate LCD applications, particularly in automotive and industrial environments.
- What type of interface does the PCA8576CH/Q900/1118 use?
The device communicates via the two-line bidirectional I2C-bus.
- What are the key segment configurations supported by the PCA8576CH/Q900/1118?
It supports up to 40 segments, including up to twenty 7-segment alphanumeric characters, up to ten 14-segment alphanumeric characters, or any graphics of up to 160 elements.
- What is the operating temperature range of the PCA8576CH/Q900/1118?
The operating temperature range is -40°C to 85°C.
- Is the PCA8576CH/Q900/1118 RoHS compliant?
- Can the PCA8576CH/Q900/1118 be cascaded for larger LCD applications?
- What are the power supply requirements for the PCA8576CH/Q900/1118?
The device requires a voltage supply of 2 V to 6 V for the LCD and 1.8 V to 5.5 V for the logic supply.
- Does the PCA8576CH/Q900/1118 require external components?
No, the PCA8576CH/Q900/1118 does not require external components, even in multiple device applications.
- What is the purpose of the power-saving mode in the PCA8576CH/Q900/1118?
The power-saving mode is designed for extremely low power consumption, making it suitable for battery-operated and telephone applications.
- How does the PCA8576CH/Q900/1118 optimize pinning for wiring?
The device has optimized pinning for plane wiring in both single and multiple PCA8576C applications.
- What is the significance of AEC-Q100 compliance for the PCA8576CH/Q900/1118?
AEC-Q100 compliance ensures that the device meets the stringent quality and reliability standards required for automotive applications.
