Location: Home Products Center Motor Control Chips Single-Phase Motor Driver Chip 12V
ACM6252
phone 0755-2810 2601
Single-Phase BLDC Motor Driver IC
Brand: Zhisheng
Supply voltage range: 3.3V – 18V
Continuous output phase current capability: 1.2A
On-resistance of integrated Power FETs: 500mΩ LS, 500mΩ HS
Speed profile (multi-segment slope selectable; minimum and maximum speeds adjustable)
Soft start with no inrush current overshoot
Sine-wave or square-wave drive, user-configurable
Flexible speed control modes (customer-selectable):
Analog voltage
PWM (duty cycle or frequency)
Applications:
DC cooling fans (server, home appliance, industrial control, automotive),
small water pumps (water cooling, humidification, water circulation),
low-noise single-phase BLDC motor modules.
Consult Now Download Sheet
Application Scenarios
GPU散热风扇 GPU散热风扇
GPU散热风扇
CUP散热风扇 CUP散热风扇
CUP散热风扇
笔记本电脑风扇 笔记本电脑风扇
笔记本电脑风扇
显卡风扇 显卡风扇
显卡风扇
智能马桶水泵 智能马桶水泵
智能马桶水泵
洗衣机水泵 洗衣机水泵
洗衣机水泵
空调排水泵 空调排水泵
空调排水泵
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Product Description

Introduction to ACM6252

ACM6252 is a single-phase brushless DC (BLDC) motor driver IC with built-in H-bridge power MOSFETs. It supports control via an external single Hall sensor, operates from 3.1V to 24V, and allows flexible configuration of square-wave or sine-wave drive. It is specially designed for low-noise, high-efficiency motor applications such as fans and water pumps.

The chip features PWM soft switching and soft start, effectively reducing motor vibration and noise during operation. It supports dual speed control modes: PWM duty cycle and external analog voltage. The speed profile can be flexibly configured through pins to adapt to various control requirements. A built-in 5V LDO (maximum output 30mA) can directly power external Hall sensors and peripheral circuits.
It provides comprehensive protection functions, including over-current, locked-rotor, under-voltage / over-voltage, over-temperature and anti-backflow protection, improving system reliability. Continuous drive capability: 1.2A at 12V, 0.8A at 24V, with peak current up to 1.2A.
Available in TSSOP16 and DFN10 packages, the device is compatible with Hall switches and Hall elements. With an extremely simple peripheral circuit, it can greatly shorten the development cycle and reduce BOM cost, making it an ideal driving solution for low-power single-phase BLDC motors.

Typical Applications of ACM6252

I. Cooling & Ventilation Fans

  • Server / computer chassis cooling fans

  • Built-in fans for home appliances (air conditioners, air purifiers, humidifiers, ovens)

  • Cooling fans for industrial control equipment / power supply modules

  • Automotive ventilation / cooling fans

  • Small fans for portable lithium-ion devices

II. Water Circulation & Pressure Boost Pumps

  • Micro pumps for water cooling systems

  • Pumps for household / desktop humidifiers

  • Small water circulation and pressure boost pumps

  • Pet water fountain pumps

III. Other Single-Phase BLDC Motor Applications

  • Low-noise small brushless DC motor modules

  • Micro drive units powered by 3.7V Li-ion / 12V / 24V supplies

  • Low-power BLDC motors requiring low noise, high reliability and compact size


Product Features

  • Wide Voltage Input: Operating voltage 3.1V～24V, absolute voltage rating 30V, compatible with 3.7V lithium batteries and 12V/24V systems.

  • Strong Driving Capability: Built-in H-bridge power MOSFETs, continuous phase current 1.2A@12V, 0.8A@24V, peak current 1.2A.

  • Flexible Driving Modes: External single-Hall control, compatible with Hall switches / Hall elements; square-wave / sine-wave / quasi-sine-wave drive selectable.

  • Quiet & Smooth Operation: Supports PWM soft switching and soft start, suppresses startup surges, reduces vibration and noise.

  • Dual-Mode Speed Control: Supports PWM duty-cycle speed control (0.1～100kHz) and external analog voltage speed control; programmable speed profile.

  • Built-in 5V LDO: Outputs 5V/30mA, can directly power external Hall sensors and peripheral circuits.

  • Comprehensive Protection: Integrated over-current, locked-rotor, under-voltage, over-voltage, over-temperature and anti-backflow protection, with automatic retry after stall.

  • Status Feedback Output: FG/RO signal output for motor running / stall detection.

  • Small Size & High Integration: Available in TSSOP16 and DFN10 packages, with minimal external components, reducing BOM and development costs.

  • Applications: Quiet and efficient driving for single-phase BLDC motors such as fans and water pumps.


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