My Inquiry
My Account
Infineon Technologies TMA463-56LQI
- Part No.:
- TMA463-56LQI
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
TMA463-56LQI.pdf
- Description:
- IC MCU TRUETOUCH
- Quantity:
- Payment:
- Shipping:
Inventory:4,609
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
TMA463-56LQI from Cypress Semiconductor is a Gen4 TrueTouch® touchscreen controller with 56 sense I/O channels, 10 V transmitter drive, adaptive Charger Armor™ noise suppression, glove/stylus/face detection support, and waterproofing via DualSense™ self/mutual capacitance switching-designed for 6-inch mobile displays in automotive infotainment and industrial HMI applications.
For engineers reviewing the TMA463-56LQI datasheet, TMA463-56LQI pinout, TMA463-56LQI application, or TMA463-56LQI equivalent, key selection criteria include SNR performance under charger noise, deep-sleep power (4.5 µW), 0.5 mm typical linearity, display sync timing for in-cell integration, and ARM Cortex-based 150 Hz refresh rate for passive stylus tracking.
Technical Context
The TMA463-56LQI implements DualSense™ architecture enabling dynamic switching between self-capacitance (for single-touch robustness and waterproofing) and mutual-capacitance (for multi-touch position resolution), all managed by an integrated 32-bit ARM Cortex-M processor. It synchronizes scan timing with display blanking intervals to eliminate display noise without shield layers.
Charger Armor™ operates as an adaptive real-time noise mitigation system: it detects periodic and broadband charger interference, then applies non-linear filtering and frequency hopping across its 10 V Tx output-enabling reliable operation in unshielded USB-charged environments up to 8.3" screen size.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max Sense I/O | 56 - supports up to 6-inch diagonal projected capacitive touch panels with high node density. |
| Transmitter Drive Voltage | 10 V - enables higher signal-to-noise ratio (SNR) for reliable detection in noisy EMI environments. |
| Deep Sleep Current | 4.5 µW - allows battery-powered devices to maintain touch wake capability over extended idle periods. |
| Position Linearity | 0.5 mm typical - ensures accurate coordinate mapping for stylus input and gesture recognition. |
| Refresh Rate | 150 Hz - sustains responsive tracking of fast-moving passive stylus tips and gloved fingers. |
| Waterproofing Method | DualSense™ dynamic self/mutual mode switching - eliminates need for overlay films or hydrophobic coatings. |
Pinout & Package
Package: 56-pin QFN (7 mm × 7 mm, 0.4 mm pitch), thermally enhanced with exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO | I/O supply rail | 1.7–1.95 V supply for GPIO and interface logic; decoupling required per layout guidelines. |
| VDDA | Analog core supply | 2.7–3.6 V analog domain supply; isolated from digital noise sources for sensor integrity. |
| SCL/SDA | I²C interface lines | Supports standard/fast-mode I²C (up to 400 kHz) for host communication and firmware updates. |
| INT | Interrupt output | Active-low open-drain signal indicating new touch data ready or event trigger (e.g., hover). |
| RESET | Hardware reset input | Asynchronous active-low reset; minimum pulse width 1 µs for full controller initialization. |
Key Features
| Feature | Design Value |
|---|---|
| DualSense™ sensing | Single-chip dynamic switching between self-capacitance (waterproofing, single-touch) and mutual-capacitance (multi-touch, high-resolution) modes. |
| Charger Armor™ | Real-time adaptive noise suppression that identifies and cancels both periodic and broadband charger interference without host intervention. |
| Display Sync | Hardware-level synchronization with display vertical blanking interval (VBI) to eliminate display noise in direct-lamination designs. |
| Glove & Stylus Support | Configurable sensitivity thresholds and 150 Hz sampling enable reliable detection of 2 mm thick gloves and 2 mm diameter passive stylus tips. |
Applications
| Automotive Infotainment | Industrial HMI Panel |
|---|---|
Use Scenario: Touchscreen in vehicle center console operating under engine EMI, USB charging, and wide temperature swings. IC Role / Device Role / Timing Role: Primary capacitive touch controller managing multi-touch gestures, glove mode, and waterproof rejection during rain exposure. Use Value: Charger Armor™ ensures zero false touches during 5 V/2 A USB charging; DualSense™ maintains responsiveness with wet or gloved fingers. | Use Scenario: Factory-floor control panel exposed to conductive dust, moisture, and 24/7 operation. IC Role / Device Role / Timing Role: Robust touch acquisition engine with display-sync scanning to suppress noise from adjacent LCD drivers and inverters. Use Value: Eliminates need for metal shielding layers; 4.5 µW deep sleep extends uptime in battery-backed emergency interfaces. |
| Medical Tablet Interface | Retail Kiosk Display |
Use Scenario: Disinfectant-wetted tablet used by healthcare staff wearing nitrile gloves. IC Role / Device Role / Timing Role: Dual-mode controller enabling seamless transition from bare-finger diagnostics to gloved operation without recalibration. Use Value: 0.5 mm linearity preserves precision for annotation tools; waterproofing prevents false triggers from liquid residue. | Use Scenario: Public-facing kiosk subject to accidental face contact, stylus input for signature capture, and ambient charger noise. IC Role / Device Role / Timing Role: Face detection and hover sensing IC suppressing false actuation while enabling proximity-aware UI transitions. Use Value: Face detection reduces mis-taps during user approach; 150 Hz refresh ensures smooth signature rendering with passive stylus. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar touchscreen controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMA768 | 56 sense I/O, 5 V Tx drive, no Charger Armor™, BGA-84 package | Lacks adaptive charger noise immunity; requires external shielding for USB-charged systems | Select when cost-sensitive designs prioritize BGA assembly over noise resilience. |
| TMA448 | 58 sense I/O, 15 V Tx, Gen4X family, QFN-56/BGA-70 options | Higher voltage drive improves SNR on larger panels but lacks Gen4's mature driver stack for legacy OS support | Prefer for new 8.3" designs needing maximum noise margin; verify HAL compatibility with target platform. |
Compared with TMA768 and TMA448, the TMA463-56LQI uniquely balances 10 V noise resilience, QFN manufacturability, and field-proven Gen4 firmware maturity-making it optimal for mid-size displays where charger immunity and production scalability are co-priorities.
Availability
TMA463-56LQI is available at Aetrix Electronics and suitable for automotive infotainment, industrial HMI, and medical tablet applications requiring stable component supply, long-term lifecycle assurance, and qualified touch performance under EMI stress.
Supply support for TMA463-56LQI includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Cypress Semiconductor (now part of Infineon Technologies) designs high-performance mixed-signal ICs for embedded control, connectivity, and human interface applications.
The TrueTouch® Gen4 product line was engineered specifically for noise-immune capacitive touch in consumer and industrial displays-emphasizing charger/display noise elimination, low-power operation, and multi-mode sensing flexibility.
FAQ
What is the function of the INT pin on TMA463-56LQI?
The INT pin is an active-low, open-drain interrupt output signaling host processor when new touch data is ready or specific events (e.g., hover entry, face detection) occur. It supports level- or edge-triggered configurations via firmware register settings and requires external pull-up to VDDIO. Minimum pulse width is 10 µs for reliable host detection.
Does TMA463-56LQI require external memory for firmware storage?
No. The TMA463-56LQI integrates on-chip flash memory for factory-programmed firmware and supports field updates via I²C. Bootloader execution occurs directly from internal ROM, eliminating need for external SPI flash or EEPROM in most implementations.
Can TMA463-56LQI operate with a 5 V USB charger present without shielding?
Yes. Its Charger Armor™ technology actively detects and suppresses both periodic and broadband noise from 5 V USB chargers in real time, enabling reliable operation without metal shielding layers or ferrite beads-validated per IEC 61000-4-6 conducted immunity testing.
What is the maximum supported sensor trace length for TMA463-56LQI?
The maximum recommended sensor trace length is 150 mm for Rx lines and 120 mm for Tx lines when using 5 mil trace width and 50 Ω impedance control. Longer traces degrade SNR and require layout-specific tuning of drive strength and filtering parameters per Cypress AN92212 guidelines.
TMA463-56LQI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- -
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- -
- Core Size:
- -
- Speed:
- -
- Connectivity:
- -
- Peripherals:
- -
- Number of I/O:
- -
- Program Memory Size:
- -
- Program Memory Type:
- -
- EEPROM Size:
- -
- RAM Size:
- -
- Voltage - Supply (Vcc/Vdd):
- -
- Data Converters:
- -
- Oscillator Type:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
TMA463-56LQI FAQ
1.How can I place an order for TMA463-56LQI through Aetrix?
Please submit a Request for Quotation (RFQ) for TMA463-56LQI on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TMA463-56LQI reliable?
The price and inventory of TMA463-56LQI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMA463-56LQI is usually 5 days.
3.What payment methods are accepted for TMA463-56LQI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMA463-56LQI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMA463-56LQI?
TMA463-56LQI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMA463-56LQI order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TMA463-56LQI?
For technical support, including TMA463-56LQI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMA463-56LQI requirements.
6.How does Aetrix verify that TMA463-56LQI is sourced from the original manufacturer or authorized distributors?
All TMA463-56LQI products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TMA463-56LQI meets industry standards.
7.What is the process for return or replacement of TMA463-56LQI?
All TMA463-56LQI units undergo pre-shipment inspection (PSI). If there is an issue with TMA463-56LQI, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TMA463-56LQI part is unused and in its original packaging.
Return procedure for TMA463-56LQI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TMA463-56LQI Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…
Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…
Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …
Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.
Amplifier guide covering voltage, current and power amplification, gain, feedback, amplifier classes, audio and RF applications, op-amp circuits, transimpedance amplifiers, datasheet selection and trou…
