Actuation is now possible through detection of touch and/or proximity at a single sense pad. Significant savings are realised without the need for electro-mechanical switches. These mechanical switches can be replaced by an IQS-device in TOUCH configuration or conventional Infra-red units are replaced with an IQS device configured as PROXIMITY sensor.
A TOUCH pad can be realised with a simple copper pour on a PCB and easily projected through a variety of dielectrics.
Advantages include:
- Significant savings by replacing deteriorating mechanical swithches (TOUCH) or IR sensors (PROXIMITY) in designs
- Easy design into product
- Minimal external components
- Environmental filter exludes the need to recalibrate device
- ICs can be used in default state, or user-customised with One Time Programmable (OTP) options
- Advanced features in IQS124(+) ICs without exuberant costs added
- Low power consumption makes it ideal for battery operated units
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IQS127 – Minimalist single input sensor with advance feature set
The IQS127 family offers the latest in analog and digital design yielding a very advance sensor at a low cost that is easy to design with. 3 version are on offer:
IQS127D – Dual PROXIMITY and TOUCH Output
IQS127S – Active Shield and single programmable output
IQS127R – RF detector and dual PROXIMITY and TOUCH Output.
| Function: |
Touch and/or Proximity detector |
| Package: |
TSOT23-6 |
| Current Consumption: |
15uA (Low Power Mode) |
| Detect: |
Touch and/or Prox |
| Status: |
Released |
Cross Referencing Device Marking and Device options
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IQS123 - Minimalist 1-channel Capacitive Sensor
The range starts at the IQS123, a single channel configurable device in SOT23-6 offering. In the simplest form, a fully functional CONTACT or PROXIMITY sensor can be realized with only two external components.
| Function: |
Touch / Proximity detector |
| Package: |
SOT23-6 |
| Current Consumption: |
10.5uA (Low Power Mode) |
| Detect: |
Touch or Prox |
| Status: |
Released |
Cross Referencing Device Marking and Device options
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IQS124 - 1-Channel Capacitive Sensor with Active Driven Shield functionality
The IQS124 is based on the IQS123 with a added Driven Shield. The shield enables the designer to shield the sensing wire from unwanted environmental interference like water passing in a water pipe or people passing over the sense wire. This makes it possible to seperate the sealed electronics from the sensing antenna.
| Function: |
Touch / Proximity detector (with shield) |
| Package: |
SO-8
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| Current Consumption: |
13uA |
| Status: |
Released |
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IQS125 - 1-Channel Capacitive Sensor with Synchronising and Active Driven Shield functionality
The IQS125 has a synchronization Pin, enabling the IC to sync with AC or an MCU. With an inexpensive Zener-diode, this device will work from domestic AC voltages, yielding an effective low power sensor. The sensor is well suited for wake-up from stand-by type applications requiring a low standby current, but fast and touch free wake-up with a user approaching. The IC also has an optional Driven Shield which can be used similarly to the IQS124.
| Function: |
Touch / Proximity detector (with sync pin) |
| Package: |
SO-8
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| Current Consumption: |
13uA |
| Status: |
Released |
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IQS126 - 1-Channel Capacitive Sensor with Dynamic selectable Proximity / Touch output
The IQS126 can detect Touch and/or Proximity. This setting can be dynamically toggled with the PTS Pin. The PTS pin is controllable from any external controller or the PROXIMITY detection can be used to toggle itself into TOUCH mode.
| Function: |
Touch / Proximity detector (with dynamic P/T) |
| Package: |
SO-8
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| Current Consumption: |
13uA |
| Status: |
Released |
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IQS120 - 1-Channel Capacitive Sensor with Differentiated Proximity and Touch output, and other functionality
The IQS120 is capable of detecting differentiated Proximity and Touch conditions. The IQS120 also has a synchronization Pin, enabling the IC to sync with AC or an external controller and the ability to adjust sensitivity and the oscillator externally.
| Function: |
Touch and Proximity detector |
| Package: |
MSOP-10
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| Current Consumption: |
33uA |
| Status: |
Released |
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IQS117 - 1-Channel High Voltage Load control Capacitive Sensor
The IQS117 features an AC high voltage load controller. It is capable of controlling a FET or TRIAC load, work in 2 or 3 wire mode and has a number of User Interfaces (UIs) to choose from. The IC also has a AC synchronising function enabling non-flicker load control, and supports 50Hz and 60Hz applications.
| Function: |
Touch and Proximity detector (with HV load control) |
| Package: |
SSOP-20
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| Current Consumption: |
820uA |
| Status: |
Released |
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