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Home > Technology List > STMicroelectronics Introduces Low Voltage Brushless Motor Driver STSPI

STMicroelectronics Introduces Low Voltage Brushless Motor Driver STSPIN233

Published time: 2018-05-04

1.General introduction

On May 2, 2018, STMicroelectronics introduced the industry's first low-voltage brushless motor driver, the STSPIN233, for both single- and three-resistor sampling. The slim and compact motor driver integrates a 200mΩ 1.3 Arms power stage into a 3mm x 3mm package.

Not only that, the standby current of the STSPIN233 also set the lowest power consumption record in the industry, reaching below 80nA. In addition, it can also enter standby mode through logic control, which is ideal for extending the battery life of portable devices and IoT products. The scope of application includes drone camera heads, teaching robots, electric toothbrushes, and electric razors. Medical injectors or small drives built into IoT devices.

STSPIN233 power supply design is very simple, it has a 1.8V-10V input voltage range, even if only a single lithium-ion battery can easily drive. Built-in safety features include over-current protection, short-circuit protection and over-temperature protection, under-voltage lock protection, and interlocking to help further simplify system design.

In conjunction with the STSPIN233, there is also a development ecosystem that consists of the Nucleo expansion board (X-NUCLEO-IHM17M1) and related software tools (X-CUBE-SPN17 supporting STM32Cube) to provide a simple and easy-to-use development tool. The STM32Cube software environment consisting of pieces of sample code and application code makes it easy for developers to quickly begin functional evaluation and prototyping.

With the introduction of STSPIN233,  STMicroelectronics now has a complete line of miniature monolithic low-voltage drivers suitable for controlling stepper, brush or brushless motors in small battery-powered devices. All products include STSPIN220,  STSPIN230, STSPIN233, STSPIN240 and STSPIN250, each product is equipped with a dedicated Nucleo evaluation board and X-CUBE software package, to provide customers with flexible and varied product selection, including single and double brush motors or large Current (2.6 Arms) with brush motor controller, sensorless or sensorless BLDC controller, etc.Currently, the STSPIN233 is available in a compact 3mm x 3mm QFN package.

More infomation,visit website:http://www.st.com/content/st_com/en.html

the STSPIN233 image

2.What is the  the STSPIN233  detail

The STSPIN233 device integrates a triple half-bridge low RDS(ON) power stage in a small VFQFPN 3 x 3 x 1.0 mm package ideal for small and space constrained applications.

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 STSPIN233 is supporting three shunt sensing topology.The device offers a complete set of protection 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.
Full protection set
Non-dissipative overcurrent protection
Short-circuit protection
Thermal shutdown
Supporting three shunt sensing topology
Direct driving, dedicated input and enable pin for each half-bridge

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

3.Related product details:The STSPIN220 and The STSPIN230

The STSPIN220 is a stepper motor driver which integrates, in a small QFN 3x3 package, both control logic and a low RDS(on) power stage.

The integrated controller implements PWM current control with fixed OFF time and a microstepping resolution up to 1/256th of a step.
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.
Microstepping up to 1/256th of a step
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 STSPIN230 device integrates a triple half-bridge low RDS(ON) power stage in a small QFN 3x3 package .
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 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.
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

4.Links of STMicroelectronics related products sold by Jotrin:

Z9MY146 
Z0409NF-1AA2 
XV184B1P 
UBX928    
T74LS373M013TR 

 

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