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IQS269AD0CSR
Azoteq (Pty) Ltd
TOUCH CONTROLLER
2504 Pcs New Original In Stock
Interface, Integrated Circuits (ICs)
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*Quantity
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Minimum 1
5.0 / 5.0
- (37 Ratings)
IQS269AD0CSR
Product Overview
9320149
DiGi Electronics Part Number
IQS269AD0CSR-DGManufacturer
Azoteq (Pty) Ltd
IQS269AD0CSR
Description
TOUCH CONTROLLERInventory
2504 Pcs New Original In Stock
Interface, Integrated Circuits (ICs)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
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Worldwide Delivery in 3-5 Business Days
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IQS269AD0CSR Technical Specifications
Category
Interface, Sensor and Detector Interfaces
Packaging
Cut Tape (CT)
Series
IQ Switch®, ProxFusion™
Product Status
Obsolete
DiGi-Electronics Programmable
Not Verified
Type
Capacitive Touch Screen Controller
Input Type
Capacitive, Inductive
Output Type
I2C
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Surface Mount
Package / Case
16-UFBGA, WLCSP
Supplier Device Package
16-WLCSP (1.62x1.62)
Base Product Number
IQS269
Datasheet & Documents
Getting Started Guide
IQS269A Inductive Sensing
HTML Datasheet
IQS269AD0CSR-DG
Environmental & Export Classification
RoHS Status
RoHS Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
Q13447090
1790-IQS269AD0CSRDKR
1790-IQS269AD0CSRCT
1790-IQS269AD0CSRTR
Standard Package
3,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
여러 브랜드와 제품을 한 곳에서 만나볼 수 있어 만족스럽고, 가격도 공정해요.
Dec 02, 2025
DiGi Electronics prioritizes customer satisfaction through fair prices and attentive service.
Dec 02, 2025
Their shipping was swift, and the quality of the materials used in their products stood out immediately.
Dec 02, 2025
The after-sales support team is responsive and provides clear solutions quickly.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the IQS269AD0CSR in a new capacitive touch application given its obsolete status?
Using the IQS269AD0CSR in new designs carries significant supply chain risk due to its obsolete status. While 2400 units are in stock, long-term availability is not guaranteed, which may impact product lifecycle and re-manufacturing. Engineers should evaluate drop-in alternatives like the FTDI FT5816Q or Microchip AT42QT2160, or redesign with active-status ICs such as the Cypress CY8CMBR3116. If proceeding, secure a lifetime buy and confirm programmability with DiGi-Electronics, as it's currently unverified, to avoid firmware customization issues during production.
How does the IQS269AD0CSR handle false triggering in noisy industrial environments and what PCB layout practices help mitigate this?
The IQS269AD0CSR uses Azoteq’s ProxFusion™ technology to improve noise immunity, but in harsh environments operating from -40°C to 85°C, poor PCB layout can still lead to false touches. To mitigate this, maintain a solid ground plane under the device, use guard rings around sense traces, and keep high-speed digital lines away from sensor pads. Use shortest possible trace lengths for the I2C interface and decouple the power supply with a 100nF ceramic capacitor close to the VDD pin. These practices reduce EMI susceptibility and improve signal integrity.
Can the IQS269AD0CSR replace the TTP229BSF-BA6 in a multi-channel capacitive keypad design, and what changes are needed?
While both the IQS269AD0CSR and TTP229BSF-BA6 support multi-channel capacitive sensing, the IQS269AD0CSR uses an I2C interface and ProxFusion™ with adaptive thresholding, unlike the TTP229's direct GPIO outputs. To replace, redesign the MCU firmware to read touch data via I2C and reconfigure the touch channels using the IQS269AD0CSR’s programmable settings. Also verify mechanical layout compatibility—WLCSP packaging requires tighter PCB registration tolerances and underfill in high-vibration applications, unlike TTP229’s through-hole variant.
What reliability concerns should be addressed when deploying the IQS269AD0CSR in automotive or outdoor applications?
The IQS269AD0CSR supports -40°C to 85°C operation and is RoHS compliant with MSL-1, making it suitable for automotive environments—if properly protected. However, the 16-WLCSP (1.62x1.62mm) package is sensitive to mechanical stress and moisture ingress over time. Use conformal coating and avoid rigid connectors near the chip to prevent solder joint cracks. Also, ensure firmware includes recalibration routines to adjust for sensor drift due to temperature cycling or environmental contamination like dust or humidity.
How do I handle I2C bus conflicts when integrating multiple IQS269AD0CSR touch controllers on the same line?
The IQS269AD0CSR does not support I2C address selection via external pins, so multiple devices on the same bus risk address collisions. To integrate multiple units, use an I2C multiplexer (e.g., TCA9548A) to isolate each IQS269AD0CSR on separate channels, or implement individual reset lines to stagger initialization. Alternatively, verify if firmware updates can reassign slave addresses during boot—though this depends on unverified programmability—otherwise, limit to one IQS269AD0CSR per bus or redesign with ICs offering pin-selectable addressing.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
IQS269AD0CSR CAD Models
Azoteq (Pty) Ltd IQS269AD0CSR PCB symbols & footprints
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