4.3 inch 800x480 CTP capacitive touch TFT LCD module DBT043BWSA02CP – 16.7M colors, 800 cd/m² brightness, RGB interface, -20~+70°C. Ideal for industrial HMI, medical, POS & embedded systems.
4.3 Inch 800x480 CTP Capacitive Touch TFT LCD Module – DBT043BWSA02CP High-Performance RGB Interface Display with 5-Point Multi-Touch for Industrial, Medical, and Embedded Applications
The DBT043BWSA02CP from Aptus Electronics is a premium 4.3-inch TFT LCD module engineered for demanding embedded systems. It delivers vibrant 16.7 million colors, crisp 800×480 resolution, and a responsive 5-point capacitive touch panel (CTP) in a compact, reliable package. With a typical brightness of 800 cd/m², 80° viewing angles in all directions, and a wide operating temperature range of -20°C to +70°C, this module excels in both indoor and outdoor industrial environments. Its RGB interface ensures seamless integration with most microcontrollers and single-board computers, while the built-in ST7262E43 (or equivalent) driver and ST1633i CTP controller simplify design and reduce BOM costs.
Whether you are building industrial HMI panels, medical diagnostic equipment, POS terminals, smart home controllers, or portable test instruments, the DBT043BWSA02CP offers the perfect balance of performance, durability, and cost-effectiveness. Its 6H surface hardness cover glass, ≥85% transparency, and 30,000-hour LED backlight lifetime make it a long-term solution you can trust.
Key Features • 4.3″ TFT LCD with 800×480 resolution and 16.7M colors for sharp, vivid visuals • 5-point capacitive multi-touch (CTP) with IIC interface and ST1633i controller • Wide viewing angle (80°/80°/80°/80°) and high contrast ratio (typ. 1200:1) • Bright 800 cd/m² backlight (5×3 white LEDs, 60 mA @ 15 V) with 30,000-hour lifetime • RGB parallel interface for easy MCU/SBC integration • Wide temperature operation: -20°C ~ +70°C (storage -30°C ~ +80°C) • Compact outline: 105.48 × 67.26 × 4.41 mm, active area 95.04 × 53.86 mm • Low power 3.3 V operation with excellent EMI/EMC performance • RoHS compliant and built for reliability in harsh environments
Technical Specifications
LCD Parameters
| Item | Specification | Unit |
|---|---|---|
| LCD Type | TFT | – |
| Display Color | 16.7M | – |
| Resolution | 800 × 480 | dots |
| Module Size | 4.3 | inch |
| Active Area (W×H) | 95.04 × 53.86 | mm |
| Outline Dimensions | 105.48 × 67.26 × 4.41 | mm |
| Viewing Direction | All (80°/80°/80°/80°) | – |
| Controller | ST7262E43 or equivalent | – |
| Interface | RGB parallel | – |
| Power Supply | 3.3 | V |
| Backlight | 5×3 white LEDs | pcs |
| Operating Temperature | -20 ~ +70 | °C |
| Storage Temperature | -30 ~ +80 | °C |
CTP (Capacitive Touch Panel) Parameters
| Item | Specification | Unit |
|---|---|---|
| Cover View Area | 95.64 (H) × 54.46 (V) | mm |
| Touch Resolution | 800 × 480 | dots |
| Touch Mode | 5-point multi-touch | – |
| Interface | IIC | – |
| Controller | ST1633i | – |
| Surface Hardness | 6H | – |
| Transparency | ≥85% | – |
| Accuracy | Center ±1.5 mm, Edge ±2.5 mm | mm |
| Power Supply | 3.3 | V |
Optical Characteristics (Ta=25°C, If=60 mA)
| Item | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Brightness | 650 | 800 | – | cd/m² |
| Uniformity | 75 | 80 | – | % |
| Contrast Ratio | – | 1200 | – | – |
| Response Time | – | 30 | – | ms |
| NTSC Ratio | – | 50 | – | % |
| Viewing Angle | 80° all directions (CR≥10) | – |
Backlight Characteristics Supply voltage Vf: 15.0 V (typ), Current If: 60 mA (typ), Power: 0.9 W, Lifetime: 30,000 hours (50% brightness retention at 25°C).
Electrical & Timing Highlights • Power supply: 2.7–3.6 V (typ 3.3 V) • RGB 24-bit parallel interface with DE/HSYNC/VSYNC/PCLK support • DCLK frequency: 23–27 MHz (typ 25 MHz) • Detailed SYNC, SYNC-DE, and DE mode timing available in full datasheet • Hardware reset via GRB pin with simple RC or MCU control
Application Scenarios The DBT043BWSA02CP is the ideal display solution for a wide range of real-world applications where size, touch performance, and reliability matter.
In industrial automation and HMI, the module’s wide temperature range and high brightness allow clear operation inside factory control panels, even under direct sunlight or in cold storage facilities. The 5-point CTP enables intuitive multi-finger gestures for operators wearing gloves.
Medical and healthcare devices benefit from its compact size and high contrast. It is perfect for portable patient monitors, ultrasound interfaces, infusion pump displays, and diagnostic equipment where accurate color and fast response time (30 ms) are critical for life-saving decisions.
Retail and POS systems love the slim 4.41 mm thickness and multi-touch capability. Cash registers, self-service kiosks, and ordering tablets deliver a modern, responsive user experience while the 30,000-hour backlight ensures years of maintenance-free service.
Smart home and IoT designers use this module in wall-mounted controllers, security panels, and energy management dashboards. The RGB interface pairs effortlessly with ESP32, STM32, or Raspberry Pi boards, and the low power consumption extends battery life in portable devices.
Automotive aftermarket and transportation applications (non-safety critical) take advantage of the rugged construction and wide viewing angle for dashboard extensions, rear-seat entertainment, or fleet management terminals.
Consumer electronics and portable instruments also benefit: handheld testers, drone controllers, gaming devices, and educational tools all gain professional-grade touch performance at an affordable price.
With its combination of optical excellence, robust touch technology, and industrial-grade reliability, the DBT043BWSA02CP helps your product stand out while keeping development time and cost low.
Frequently Asked Questions (FAQ)
Q1: What interface does the DBT043BWSA02CP use? A: The LCD uses a standard 40-pin RGB parallel interface (8:8:8) with HSYNC, VSYNC, DE, and PCLK. The CTP uses IIC (SCL/SDA/INT/WAKE). Both operate at 3.3 V.
Q2: Is the touch panel truly 5-point multi-touch? A: Yes. The ST1633i controller supports genuine 5-finger simultaneous touch with high accuracy (±1.5 mm center).
Q3: Can it work in outdoor or harsh environments? A: Absolutely. Operating temperature -20°C to +70°C, storage -30°C to +80°C, and 6H hardness glass make it suitable for industrial and outdoor kiosks.
Q4: What is the typical brightness and power consumption? A: 800 cd/m² at 60 mA backlight current (0.9 W). Total module power is very low, ideal for battery-powered devices.
Q5: Do I need a separate driver board? A: No. The built-in ST7262E43 controller handles RGB timing directly. Simple connection to your MCU is sufficient.
Q6: Is customization available (logo, cover glass, FPC length)? A: Yes. Aptus offers custom FPC length, printing, and cover glass treatments. Contact us for MOQ and lead time.
Q7: What is the expected lifetime? A: Backlight lifetime is 30,000 hours to 50% brightness at 25°C and rated current.
Q8: Does it support Linux / Android / RTOS? A: Yes. The RGB + IIC combination is widely supported by popular embedded frameworks.
Ready to elevate your project with our 4.3 inch 800x480 LCD module? Whether you need custom touch integration, driver board support, or project consultation, we’re here to help.
Please get in touch:
👉 Request a quote or sample
📧 Or email us directly: info@aptusdisplay.com
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