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You are here: Home / Drives + Supplies / STSPIN250 STMicroelectronics launches tiny 2.6-A brushed dc motor driver for portable, battery-powered IoT devices

STSPIN250 STMicroelectronics launches tiny 2.6-A brushed dc motor driver for portable, battery-powered IoT devices

March 20, 2017 By Lisa Eitel Leave a Comment

The STSPIN250 single-chip 2.6A driver for brushed DC motors extends STMicroelectronics’ family of miniature, low-voltage, energy-efficient drivers for battery-powered portable and wearable applications. The driver integrates a full power-MOSFET bridge and fixed off-time PWM current controller in a tiny 3mm x 3mm package that saves space in portable equipment. The low on-resistance of the power stage (200mΩ total, high-side + low-side) and the best-in-the market current-sipping standby mode — below 80nA — help maximize battery runtime and keep equipment-case temperatures down. Its supply-voltage range of 10V to 1.8V allows designers to specify a power source as small as a single Li-ion cell. More after the jump.

Brushed DC motors offer a strong combination of performance, cost-effectiveness, and reliability, and are a popular choice of designers in a wide variety of applications. STSPIN250’s high output-current capability allows use in low-to-medium-power applications such as portable printers, POS terminals, consumer devices, electronic valves or door lockers, toys, and medical or wellness devices ranging from electric toothbrushes to syringe pumps.

STSPIN250 from @ST_World = Tiny 2.6-A brushed #DCMotor #driver for #portable #IoT #BatteryPowered design Click To Tweet

It also has comprehensive built-in protection features including Under-Voltage lockout (UVLO), non-dissipative over-current protection, short-circuit protection, and thermal shutdown.

The STSPIN250 joins the three monolithic, low-voltage drivers for portable and battery-powered applications that ST introduced last year: the STSPIN220 for stepper motors, STSPIN230 for three-phase brushless motors, and STSPIN240 for brushed DC motors up to 1.3A. The STSPIN family now presents designers with a choice of compact, convenient, and energy-efficient drivers for the motor types most commonly used in portable applications, contributing to the widespread adoption of battery-powered IoT devices.

A complete ecosystem is ready to support fast and easy evaluation and prototyping with the STSPIN250, and comprises an STM32 Nucleo expansion board (X-NUCLEO-IHM13A1) and related software tools (X-CUBE-SPN13) that connect motor-control projects with the extensive STM32Cube MCU-development resources.

The STSPIN250 is in production now in the 3mm x 3mm VQFPN package, priced $0.75 for orders of 1000 pieces. For more information, visit www.st.com/STSPIN.

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Filed Under: Drives + Supplies, Featured, Servo Drives Tagged With: STMicroelectronics

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