Highly Programmable Neural Stimulator Chip

NNC_ENS001

The ENS001 is a highly programmable stimulation SoC. There are 3 different stimulus driver architectures with output currents up to 67mA, which can generate multiple stimulus waveforms and stimulation modes to support a variety of wearable and implantable applications.

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Products

Features Product parameters Hardware Document

Highly Integrated

32MHz ARM processor, multi-channel constant current source output stimulus driver circuit, configurable boost DC converter, LCD screen driver, 12-bit AD signal acquisition, and temperature sensor modules.

Highly Safe And Reliable

Dynamic charge replication technology is adopted to realize charge balance. The chip comes with over-temperature, over-voltage, over-current and other detection and safety guarantee systems, with high reliability and stability, suitable for long-term operation and application scenarios requiring high reliability.

Highly Programmable

The chip not only covers traditional sine/square/triangle waveforms and various modulated waveforms, but also supports the output of arbitrary current waveforms from DC to more than 250kHz.

High Flexibility

Three drive circuits are available for high voltage, medium voltage, and low voltage applications. Multi-channel cooperation can realize multi-mode stimulation, which can meet a variety of in vitro or in vivo nerve/muscle electrical stimulation and neuromodulation application scenarios.

High Adaptability

The chip series has a variety of specifications, including single-channel, dual-channel, quad-channel, and full-featured, which can be adapted to a variety of hardware and software, providing customers with flexible, cost-effective integration solutions.

Product parameters

Category	Parameters	Detail
Stimulus Driver	4-channel high current range driver (8 electrodes) (60V max)	33μA-67 mA output current, 33μA-264μA adjustable unit current, 2μs-DC adjustable pulse width, up to 250 kHz sinusoidal/triangular/square or arbitrary waveform, can be used for TENS, IFT, EMS, etc.
	8-channel medium current range driver (16 electrodes) (60V max)	50μA-67mA output current, 2μs-DC adjustable pulse width , up to 250 kHz sinusoidal/triangular/square or arbitrary waveforms for DBS, SCS
	23-Channel Low Current Range Driver (24-electrode) (60V max)	8μA2mA output current, 2μs-DC adjustable pulse width, up to 250 kHz sinusoidal/triangular/square or arbitrary waveforms, can be used for cochlear implant applications
Application		Muscle strengthening (EMS) ,Muscle Rehabilitation, TENS products; interferential current therapy (IFT); deep brain stimulation (DBS); spinal cord stimulation (SCS); cochlear implant applications.
Operating Parameters	Operating Voltage Range	3-5V
	Operating Temperature	-40℃ - 85℃
	Low Power Mode	Sleep Mode, Low Power Running Mode, Low Power Sleep Mode, Standby Mode
	Core	ARM Cortex-M0（32MHz）
	Digital Interface	UARTx2，I2Cx2，SPIx2
	LCD driver interface	COMx4，SEGx16

Hardware

Programmable General Purpose Stimulus Development Board - Full Function

Programmable General Purpose Stimulation Development Board - Quad Channel is based on the NNC_ENS1QFN96L1010A chip as the core for its performance testing and hardware evaluation. It can realize the development board of stimulation driving circuit with mu

Programmable General Purpose Stimulus Development Board - Quad Channel

Programmable General Purpose Stimulation Development Board - Quad Channel is based on the NNC ENSTQFN64L88A3 chip as the core, for its performance testing and hardware evaluation. Can realize arbitrary waveform programming area multi-channel constant curr

Programmable General Purpose Stimulus Development Board - Dual Channel

Programmable general-purpose stimulation development board - dual-channel is to NNC_ENSTQFN64L88A2 chip as the core for its performance testing and hardware evaluation. Can realize arbitrary waveform programming and multi-channel constant current source o

Document download

Nanochap_NNC_ENS001_Brief.

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