ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC MCU 32BIT 70BGA
- Series：TrueTouch™
- Mfr：Infineon Technologies
- Package：Tray
- Touchscreen：2 Wire Capacitive
- Resolution (Bits)：32 b
- Interface：I2C, SPI
- Voltage Reference：-
- Voltage - Supply：1.71V ~ 5.5V
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：70-UFBGA
- Supplier Device Package：70-BGA (5.5x5.5)
- Current - Supply：-
- Grade：-
- Qualification：-
Download product information
Overview
The CYTMA448-70BUI58AE is a TrueTouch multi-touch capacitive touchscreen controller featuring a 32-bit ARM Cortex CPU. It supports up to 58 sense pins with 777 intersections and reports up to 10 fingers. The device operates on a 1.71-V to 5.5-V digital supply and a 2.65-V to 5.5-V analog supply, consuming 8.5 mW in active mode and 15 μW in deep sleep. It includes ChargerArmor for noise immunity up to 20 V peak-to-peak, DualSense water rejection, and glove tracking. Communication interfaces include I2C (up to 3.4 Mbps) and SPI (up to 8 Mbps).
Feature Summary
- Integrated 32-bit ARM Cortex CPU with register configurability.
- ChargerArmor technology providing immunity to charger noise up to 20 volts peak-to-peak.
- DualSense technology enabling water rejection and wet-finger tracking.
- Supports multi-touch glove operation with automatic mode switching.
Applications
- Multi-touch capacitive touchscreen controllers.
- Android-based human-machine interface devices.
- Smartphone and tablet display modules.
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type, temperature range, and feature segmentation. Ensure compatibility with required sensor stackups and communication protocols before procurement.
Selection Notes
Select this component for applications requiring high charger noise immunity and glove/water tracking capabilities. Confirm that the 58-sense pin configuration aligns with the target screen size and aspect ratio requirements.
Part Context
This part belongs to the Cypress TrueTouch Multi-Touch All-Points Controller family. It is designed for high-performance touch sensing applications requiring robust environmental handling and low power consumption.
Replacement Considerations
Consult the official datasheet for compatible alternatives within the TrueTouch family. Verify pinout and feature set alignment when considering cross-model replacements.
FAQ
What is the maximum number of simultaneous touch points supported?
The CYTMA448-70BUI58AE can report up to 10 simultaneous fingers.
Does the device support glove interaction?
Yes, it supports multi-touch glove operation with automatic mode switching for thin and thick gloves.
What is the typical deep-sleep power consumption?
The typical deep-sleep power consumption is 15 μW.
