MPR121QR2

Name: MPR121QR2
Brand: NXP Semiconductors
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

ROHS QFN-20(3x3) Touch Sensors

7,773 Effective Inventory

MPR121QR2

Effective Inventory7,773

ROHS QFN-20(3x3) Touch Sensors

Manufacturer Part # : MPR121QR2
Package/Case: QFN-20
Part Status : OBSOLETE
Brand: NXP Semiconductors
Product Categories : Sensor, Capacitive Touch
RoHS:

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

About Shipping

We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.

About Payment

We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.

If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.

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Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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MPR121QR2 DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$1.448	$1.45
10	$1.149	$11.49
30	$1.020	$30.60
100	$0.860	$86.00
500	$0.789	$394.50
1000	$0.746	$746.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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Please submit RFQ for MPR121QR2 or email to us: Email: [email protected], we will contact you in 12 hours.

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MPR121QR2 Details

The MPR121QR2 is a 12-channel capacitive touch sensor from Resurgent Semiconductor, LLC, designed for reliable and efficient sensing in various applications. This device features auto calibration, parallel I2C interface, multiple operating modes, low power consumption, interrupt pin for immediate response, configurable threshold for sensing touch, and compatibility with various host controllers.

Pinout

VDD: Power Supply (1.8V to 5.5V)
GND: Ground
SCL: I2C Clock Line
SDA: I2C Data Line
INT: Interrupt Pin (Active Low)
TOUCH0-11: Capacitive Touch Sensor Channels (12 channels)

(Tip: For detailed pinout diagram and usage guide, refer to the datasheet.)

Key Features

12-channel capacitive touch sensor for reliable sensing
AUTO CALIBRATION feature for easy setup and calibration
PARALLEL I2C INTERFACE for efficient data transfer
MULTIPLE OPERATING MODES for flexibility in application design
LOW POWER CONSUMPTION for extended battery life
INTERRUPT PIN FOR IMMEDIATE RESPONSE to touch events
CONFIGURABLE THRESHOLD FOR SENSING TOUCH for precise control

Applications

The MPR121QR2 is suitable for various applications that require reliable and efficient capacitive touch sensing, such as:

Smartphones and tablets
Wearable devices (smartwatches, fitness trackers)
Home appliances (TVs, refrigerators, washing machines)
Industrial control systems

Where to Use

The MPR121QR2 is ideal for applications where:

You need reliable and efficient capacitive touch sensing
You require low power consumption for extended battery life
You need a flexible operating mode to accommodate various application requirements

How to Use

To use the MPR121QR2, follow these steps:

Connect VDD and GND pins to your power supply
Connect SCL and SDA pins to your I2C bus
Configure the interrupt pin (INT) according to your application requirements
Calibrate the touch sensor channels using the AUTO CALIBRATION feature

(Tip: For detailed usage guide and calibration procedure, refer to the datasheet.)

Application Circuit

The application circuit diagram for the MPR121QR2 illustrates how to connect the touch sensor to your I2C bus. It includes connections for power supply, ground, and communication lines, ensuring proper operation and reliable data transfer.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

Capacitive Touch Sensor ICs (e.g., AD7140, MAX30001): Alternative capacitive touch sensor ICs with similar features and performance.

Complementary

The MPR121QR2 can be complemented by other Resurgent Semiconductor, LLC products that offer additional features and functionality, such as:

MPR121QR1: A 6-channel capacitive touch sensor with similar features and performance.

(Tip: For more information on complementary products and usage guides, refer to the datasheet.)

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	Capacitive Touch Sensors	RoHS	Details
Sensor Type	Button, Slider, Wheel, Proximity	Number of Channels	12 Channel
Interface Type	I2C	Package / Case	QFN-20
Dimensions	3 mm L x 3 mm W x 0.65 mm H	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature !	+ 85 C	Brand	NXP Semiconductors
Height	0.65 mm	Length	3 mm
Moisture Sensitive	Yes	Operating Supply Voltage !	3.3 V
Product Type !	Touch Sensors	Series	MPR121
Factory Pack Quantity	1000	Subcategory	Sensors
Termination Style	SMD/SMT	Width	3 mm
Unit Weight	0.000617 oz