FlowState Headband EVT1 — 4-Channel EEG Calibration Device Closed-loop EEG neurofeedback headband for theta/beta baseline calibration. 4-layer mixed-signal PCB, 40x30mm. Core ICs: - ADS1299-4PAG (TI) — 4-channel 24-bit EEG analog front end, SPI interface, 250 SPS - nRF5340 (Nordic) — Dual-core BLE 5.3 SoC, 128 MHz app core + 64 MHz network core Key requirements: - Separate analog and digital power domains (dual LDO: LP5907 for AVDD, AP2112 for DVDD) - Split analog/digital ground planes with single-point connection - 6 electrode inputs (4 active + 1 reference + 1 DRL) with individual TVS ESD protection on each - LIS2DH12 accelerometer (I2C) for motion artifact detection - MCP73831 USB-C battery charging (300-500 mAh LiPo) - 2.4 GHz chip antenna or PCB trace antenna at board edge with 10mm keepout - Conformal coating for sweat/moisture protection Reference designs: - Analog front-end: TI ADS1299 EVM (SBAS499) - Digital/BLE: Nordic nRF5340 DK reference schematic Critical constraint: Microvolt-level EEG signals — analog input routing and power supply filtering are the highest-priority layout concerns.

Wearable health device prototype schematic with ECG sensing via AD8232, motion sensing via BNO085 or BMI270 IMU breakout, on-board processing using TI TM4C123G LaunchPad or MSPM0G3507 LaunchPad, optional ESP8266 Wi-Fi, LiPo battery charging with MCP73831, regulated 3.3 V power from TPS63031 buck-boost or AP2112 LDO prototype option, and user interfaces including electrode connector, JST battery connector, programming header, and optional on/off switch.

Non-Isolated Synchronous 4-Switch Buck-Boost DC-DC Converter for PV Optimization (JKM610N-78HL4, 45.39 V @ 9.23 A MPP to 85 V, 50 kHz) with TI C2000 PI Control, Integrated Sensing, and Full Protections

USB‑C UFP USB 3.0 to SATA Bridge Using TI TUSB9261 with W25Q80DV Firmware Flash, 25 MHz Oscillator, Ultra‑Low Capacitance USB ESD Protection, and 1 A 5V‑to‑3.3V Buck Regulator

The DRV2605 from TI is a fancy little motor driver. Rather than controlling a stepper motor or DC motor, its designed specifically for controlling haptic motors - buzzers and vibration motors. Normally one would just turn those kinds of motors on and off, but this driver has the ability to have various effects when driving a vibe motor. For example, ramping the vibration level up and down, 'click' effects, different buzzer levels, or even having the vibration follow a musical/audio input.

The DRV2605 from TI is a fancy little motor driver. Rather than controlling a stepper motor or DC motor, its designed specifically for controlling haptic motors - buzzers and vibration motors. Normally one would just turn those kinds of motors on and off, but this driver has the ability to have various effects when driving a vibe motor. For example, ramping the vibration level up and down, 'click' effects, different buzzer levels, or even having the vibration follow a musical/audio input.

This is a boost converter board based on LM3481 with 5V input and 12V 1.8A output voltage #dcdc #boost #ti #power #referenceDesign #powermanagement #texas-instruments #template #reference-design

This is a compact, reliable board based on the LM2737MT for efficient power management. #ti #tsdc #dcdc #buck #referenceDesign #powermanagement #texas-instruments #template #reference-design

This is a reference design of the LM2738 with a set output voltage configuration of 5V and 1.5A #5V #dcdc #power #ti #referenceDesign #powermanagement #texas-instruments #template #reference-design

This is a reference design of dc converter based on TPS62200 with input 2.5-6V and output 1.8V 0.3A #dcdc #ti #1V8 #power #referenceDesign #powermanagement #texas-instruments #template #reference-design

This is a reference design of the LM2738 with a set output voltage configuration of 5V and 1.5A #5V #dcdc #power #ti #referenceDesign #powermanagement #texas-instruments #template #reference-design

This is a module boost DC-DC Regulator with 12V 0.3A(1.2A) output and 5V input voltage for LEDs #ti #ledpower #led #boost #referenceDesign #powermanagement #texas-instruments #template #reference-design

This is a miniature voltage converter module with a maximum output voltage of 36V and an output of 5V #dcdc #power #ti #referenceDesign #powermanagement #texas-instruments #template #reference-design

This is a compact and reliable power module of the boost converter LM2737MTCX with a fixed output voltage of 3.3V and a current of 0.1A #ti #dcdc #power #referenceDesign #powermanagement #texas-instruments #template #reference-design

This is a power module based on a TPS61085 voltage booster IC with an output voltage of 12V 3A(max) #boost #power #dcdc #ti #referenceDesign #powermanagement #texas-instruments #template #reference-design

This is a TPS6103x based 96% efficient 4A switch synchronous boost converter power module #dcdc #ti #boost #4A #referenceDesign #powermanagement #texas-instruments #template #reference-design

This is a reference design of TPS563210 with 4.5V - 17V input and 0.8V - 7V output #dcdc #ti #power #step-down #referenceDesign #powermanagement #texas-instruments #template #reference-design

This is a low-power DC-DC boost converter board on TPS6104 with an output voltage of 28V 0.35A #dcdc #power #ti #referenceDesign #powermanagement #texas-instruments #template #reference-design

TMS320F28069M LaunchPad™ C2000™, Piccolo™ C28x MCU 32-Bit Embedded Evaluation Board #ti #LaunchPad #arm

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.