CY8CMBR3002-SX1IT

Series:	CapSense® Express™ SmartSense™
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Buttons
Proximity Detection:	Yes
Number of Inputs:	Up to 2
LED Driver Channels:	Up to 1
Interface:	Open Drain
Resolution:	--
Voltage - Supply:	1.8 V ~ 5.5 V
Current - Supply:	140mA
Operating Temperature:	-40°C ~ 85°C
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC

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Introduction to CY8CMBR3002-SX1IT

CY8CMBR3002-SX1IT is a microcontroller optimized for capacitive touch sensing applications. It has a robust integrated touch-sensing peripheral, enabling highly accurate and reliable performance in a wide range of touch-based application systems. The device benefits from an integrated programmable ‘Step Counting’ (SC) method, which simplifies configuration, minimizes power consumption and significantly reduces total system costs.

Application Field of CY8CMBR3002-SX1IT

The CY8CMBR3002-SX1IT is applicable in a variety of capacitive touch-sensing applications, such as next-generation remote controls, smart home products, digital gaming products, car infotainment systems, wearables and a variety of other portable devices and accessories. The integrated SC method enables powers efficient performance in battery-driven devices while still providing reliable and accurate capacitive touch sensing performance.

Working Principle of CY8CMBR3002-SX1IT

The CY8CMBR3002-SX1IT integrates ‘Step Counting’ (SC) method for capacitive touch sensing. A key strength of this device is its level of integration that eliminates the need for external components, thereby reducing system cost, space requirements and complexity. The device consists of an on-chip capacitive touch sensor, which is connected to an internal Programmable Boosting Engine and a GPIO node. The Programmable Boosting Engine is designed to translate the touch-sensing signals into control signals. The integrated GPIO node is configured as an active output pin in order to send signals to the host system when sensed object is touched.The device operates based on the principle of charge injection. A small amount of electrical charge is injected into the sensing elements, which is then slowly drained from the electrode. The capacitive touch sensor measures the difference in charge on the electrode before and after injection. When contacted by an external object, the capacitance at the sensing element increases correspondingly, resulting in a change in the charge balance. This change is detected by the sensing elements, which is then translated into a control signal. The capacitive touch sensor also includes a Programmable Boosting Engine, which can boost the signal before it is presented to the host system.Finally, the CY8CMBR3002-SX1IT employs a wide variety of sensing technologies in order to provide a reliable and precise capacitive touch sensing performance. These technologies include Scan detection, a Detection Performance Metric, Pulse Burst Detection, Parallel Electrode Detection (PED), Digital Noise Suppression (DNS), Anti-noise Filtration, and Signal Sampling. The CY8CMBR3002-SX1IT can be used in a variety of capacitive touch sensing applications, including buttons, sliders and wheels, and is optimized for battery-driven applications.

Conclusion

The CY8CMBR3002-SX1IT is an integrated microcontroller optimized for capacitive touch sensing applications. It offers a highly reliable and accurate performance in a wide range of touch systems. The device features an integrated programmable step-counting method, which simplifies configuration and minimizes power consumption. Furthermore, it includes a wide variety of sensing technologies, such as scan detection, PED, DNS, and anti-noise filtration, to provide an accurate and reliable capacitive touch sensing performance. The CY8CMBR3002-SX1IT is applicable in a variety of capacitive touch sensing applications, such as remote controls, smart home products, digital gaming systems, car infotainment systems, wearables and other portable devices and accessories.

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