The ICE40UL1K-SWG16ITR1K is Alattice Semiconductor’s ultra-low power miniature FPGA, tailored for compact, battery-powered and continuously running systems. It is part of the iCE40 UltraLite™ family and offers an optimal balance between size, power consumption and programmability, making it ideal for wearable devices, hearing aids, IoT edge sensors and portable medical devices.
Despite its extremely small size, the ICE40UL1K supports basic logic functions such as LED control, sensor interface, I/O expansion and sequential power management, and consumes only a few microwatts of power in both standby and operating modes.
Technical specifications
- FPGA family: iCE40 UltraLite™
- Logic Cells: 1280
- Programmable I/O: 10
- Package: WLCSP-16 (1.4 mm × 1.4 mm chip size package).
- On-chip memory: VLCSP (WLCP): 1:
- 64 Kbit RAM interface: 1.
- Configuration memory (NVCM or external flash memory).
- Operating voltage:
- 1,2 V
- I/O: 1,14 V – 1,26 V (very low power consumption).
- Power consumption:
- Standby current: <75 µW.
- Standby standby current: ~25 µA/MHz.
- Clock:
- Internal oscillator.
- Built-in PLL for frequency control
- Interface support:
- I²C, SPI, GPIO, PWM.
- Operating temperature: -40 °C to +100 °C (industrial class).
🔗 Full product specifications can be found on the official Lattice Semiconductor website.
Key features
- ✅ Very small package for space-constrained designs
- ✅ Exceptionally low power consumption for common open functions
- ✅ Immediate start-up in non-portable configuration
- ✅ Many flexible I/O options with minimum number of contacts
- ✅ Built-in oscillator and PLL for frequency control
- ✅ Interoperability with open source and proprietary toolkits (e.g. iCEcube2, Radiant, Yosys).
ICE40UL1K-SWG16ITR1K application
1.Portable devices and smart accessories
This FPGA is ideal for smart watches, fitness trackers and smart rings, and features low-power logic such as gesture recognition, touch control, sensor integration and power sequencing to extend battery life and maintain responsiveness.
- Hearing and acoustic wearable devices
The ultra-compact design makes it ideal for headphones, hearing aids and voice devices to manage user interface logic, battery monitoring and audio track management.
3.Internet of Thingsdevices
In smart home or industrial IoT applications, the device can act as a control centre for sensors, manage outage logic or manage energy-efficient low-speed communication networks.
- Portable medical electronics
In applications such as wearable medical monitors, portable electrocardiographs or smart thermometers, the ICE40UL1K provides the necessary logic management for sensor timing, data filtering and wireless transmitter interfaces.
- Consumer Electronics
In devices such as remote controls, smart toys or Bluetooth controllers, it is used to implement compact logic functions supporting fast wake-up, LED control or gesture input decoding.
Why choose the DRex Electronics ICE40UL1K-SWG16ITR1K?
DRexElectronics is a trusted partner for low power, high performance FPGAs such as the ICE40UL1K-SWG16ITR1K. We support OEMs, hardware developers and system integrators in the consumer electronics, Internet of Things and medical device industries.
Benefits of ordering from DRex:
- 🔧 Offers a wide range of Lattice FPGAs and SoCs.
- 📦 ISO 9001 certified inventory and logistics system.
- 🌐 Rapid worldwide delivery of prototypes and series products.
- 🧠 Expert support to design and optimize large quantities of materials.
- 🛠️ Assistance with integration of low power FPGAs and tool chains.
