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Product Detailed Parameters
- Description：IC EVE4 RES TOUCH 64VQFN
- Series：-
- Mfr：Bridgetek Pte Ltd.
- Package：Tray
- Applications：Human Machine Interfaces (HMI)
- Core Processor：-
- Program Memory Type：FLASH
- Controller Series：BT81X
- RAM Size：-
- Interface：LED, LCD, QSPI, SPI
- Number of I/O：4
- Voltage - Supply：3V ~ 3.6V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：64-VFQFN Exposed Pad
- Supplier Device Package：64-VQFN (9x9)
- Grade：-
- Qualification：-
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Overview
The Bridgetek BT818Q-T is a Video IC from the EVE series, designed for embedded display applications. It features an Advanced Single Chip Touch (ASTC) engine with integrated resistive touch capability using a 4-wire interface. The component supports a maximum display resolution of 800 x 600 pixels and operates via an SPI interface. It utilizes a VQFN-64 package and functions within a supply voltage range of 3V to 3.6V. The device is rated for industrial temperatures between -40°C and +85°C.
Feature Summary
- Integrated ASTC engine with 4-wire resistive touch support
- Supports display resolutions up to 800 x 600 pixels
- SPI interface connectivity
- VQFN-64 surface mount package
Applications
- Industrial control panels requiring resistive touch input
- Embedded HMI displays in harsh environments
- Medical equipment interfaces
Procurement Notes
Verify the specific suffix 'T' against official Bridgetek documentation to confirm packaging configuration. Ensure compatibility with 3.3V logic levels and SPI bus requirements. Confirm moisture sensitivity handling procedures are followed during assembly. Cross-reference the datasheet for exact pinout definitions relative to the VQFN-64 footprint.
Selection Notes
Select the BT818Q-T when a resistive touch solution is required rather than capacitive. Compare against the BT818Q-R if reel packaging is preferred over tray. Ensure the host microcontroller supports the necessary SPI clock speeds and GPIO configurations for the EVE command stream.
Part Context
This component belongs to the Bridgetek BT81x/82x family of Embedded Video Engines. It shares architectural similarities with the BT817 and BT818 series but is distinguished by its specific touch interface type and packaging variant. It serves as a graphics controller replacing discrete display driver and touch controller combinations.
Replacement Considerations
The BT818Q-R is a related part number within the same series. Verify if the packaging difference (Reel vs Tray) or minor electrical parameter variations allow for direct substitution without board redesign.
