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iCE40LP4K-CM121

LSCCiCE40LP4K-CM121

Lattice
FPGA - Field Programmable Gate Array iCE40LP 3520 LUTs 1.2V Ultra Low-Power
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Overview

The iCE40LP4K-CM121 is a small, ultra-low-power FPGA from Lattice's iCE40 family intended for low-power and space-constrained designs. It provides reconfigurable logic and flexible I/O for tasks like signal interfacing, protocol bridging, and hardware acceleration in battery-powered or portable products. The iCE40 series is notable for low static power and has broad support in both vendor and open-source toolchains.

Why Choose This Part

Choose this iCE40 LP device when you need reconfigurable logic in a tiny, energy-efficient package - it excels in battery-powered and always-on applications. The iCE40 family also benefits from a mature open-source toolchain (Project IceStorm) as well as Lattice's official support, making it practical for both rapid prototyping and production.

Applications

Sensor aggregation and edge preprocessing
Combine and pre-process multiple sensor streams (filtering, decimation, simple DSP) before passing data to a microcontroller to reduce MCU load and system power.
I/O bridging and protocol conversion
Implement custom bus translators, level shifting logic, or timing adapters between peripherals with different interfaces or timing constraints.
Low-power control and LED driving
Offload PWM, dimming, and custom LED patterns to the FPGA to free the host CPU and maintain low overall power consumption.
Touch, keypad, or simple display controllers
Implement responsive scanning, filtering, and debounce logic for human interfaces where deterministic timing is required.
Prototyping small hardware accelerators
Evaluate and prototype lightweight hardware accelerators or custom logic blocks (parsers, decoders, finite-state machines) before scaling to larger FPGAs.

Getting Started

Begin with an evaluation board such as the Lattice iCEstick or community boards like iCEBreaker or TinyFPGA that use iCE40 devices; these provide USB connectivity and on-board programmers. For toolchains, use the open-source flow (Yosys for synthesis, nextpnr-ice40 for place-and-route, icepack/iceprog for bitstream packing and flashing) or Lattice's official iCE40 toolchain; pick the flow that matches your workflow and license needs.

Part of Lattice iCE40 family » iCE40LP4K

iCE40LP4K Family

Also available as: ICE40LP4K

Also Consider

iCE40UP5K-SG48 Lattice Semiconductor - Bigger-up fabric in the iCE40 family for designs needing more LUTs and I/O while remaining low-power.

Categories

FPGAs & CPLDs > Lattice Semiconductor