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Home > Technology List > Invisible bike helmets from H vding rely on ST’s motion sensors and m

Invisible bike helmets from H vding rely on ST’s motion sensors and microcontrollers

Published time: 2017-05-04

Invisible bike helmets from H vding rely on ST’s motion sensors and microcontrollers

ST Microelectronics is a global independent semiconductor company and a leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivaled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio, and strategic partners positions.ST Microelectronics is at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today's convergence trends.

Low voltage brush DC motor driver

The STSPIN240 is a dual brush DC motor driver integrating a low RDS(ON) power stage in a small QFN 3x3 package.

Both the full-bridges implement an independent PWM current controller with fixed OFF time.

The device is designed to operate in battery-powered scenarios and can be forced into a zero- consumption state allowing a significant increase in battery life.

The device offers a complete set of protection features including overcurrent, overtemperature and short-circuit protection.

Key Features

  • Operating voltage from 1.8 to 10 V
  • Maximum output current 1.3 Arms
  • RDS(ON) HS + LS = 0.4 Ω typ.
  • Current control with programmable off-time
  • Full protection set
    • Non-dissipative overcurrent protection
    • Short-circuit protection
    • Thermal shutdown


  • Energy saving and long battery life with standby consumption less than 80 nA

The STSPIN250 is a single brush DC motor driver integrating a low Rds(ON) power stage in a small VFQFPN 3 x 3 mm package.

The full-bridge implements a PWM current controller with fixed OFF time.

The device is designed to operate in battery-powered scenarios and can be forced in a zero-consumption state allowing a significant increase in battery life.

The device offers a complete set of protection features including overcurrent, overtemperature and short-circuit protection.

Key Features

  • Operating voltage from 1.8 to 10 V
  • Maximum output current 2.6 Arms with OUTAx paralled to OUTBx
  • RDS(ON) HS + LS = 0.2 Ω typ.
  • Current control with programmable off-time
  • Full protection set
    • Non-dissipative overcurrent protection
    • Short-circuit protection
    • Thermal shutdown
  • Energy saving and long battery life with standby consumption less than 80 nA
 

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