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Power
Power index with 37 parts, covering core specs, prices, sources, and library signals.
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These entries currently have the strongest confidence signals in this category. Use them as the first editorial pass before expanding weaker records with better source coverage and pinout notes.
Power Parts
PCA9685
NXP
16-channel PWM controller used for servo control, LED dimming, and robotics projects.
TCA9548A
Texas Instruments
8-channel I2C multiplexer used to connect sensors with duplicate I2C addresses.
74HC595
Nexperia
8-bit shift register used to expand outputs for LEDs, relays, and simple digital control.
A4988
Allegro MicroSystems
Common stepper motor driver used in older 3D printer and CNC control boards.
DRV8825
Texas Instruments
Stepper motor driver module used in 3D printers, CNC machines, and robotics prototypes.
DRV8833
Texas Instruments
Low-voltage dual H-bridge motor driver for small robots and battery-powered mechanisms.
MCP23017
Microchip
16-bit I2C GPIO expander used when a microcontroller needs many extra digital pins.
TB6612FNG
Toshiba
Efficient dual DC motor driver used as a better alternative to L298N for small robots.
LM2596
Texas Instruments
Classic buck regulator used in large inexpensive adjustable step-down modules.
MCP73831
Microchip
Tiny single-cell Li-ion charger used in compact battery-powered boards.
PCF8574
NXP
I2C GPIO expander often used in LCD backpacks and small IO expansion modules.
TMC2209
Trinamic
Quiet stepper motor driver with UART configuration used in modern 3D printers.