Location: Home Products Center Motor Control Chips Single-Phase Motor Driver Chip 12V
AM7228S
phone 0755-2810 2601
单相全波电机驱动IC
品牌：晶致
电压：18V
最大电流：1.2A
工作温度：-40℃~105℃
封装：eTSSOP 14L
应用：风扇电机、显卡散热风扇、一般消费设备驱动12V风扇的最佳方案
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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
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Three-Phase BLDC Motor Driver Chip Brand: Zhisheng Input Voltage: 2.7V - 16V On-resistance (High-side + Low-side): 300mΩ, Peak Phase Current: 2.4A 180° sinusoidal drive for ultra-low noise; square wave drive for high torque. No external current sense resistor required for sensorless drive mode Built-in 5V LDO Applications: Computer cooling fans, household ventilation equipment, industrial fans, automotive water pumps, domestic water pumps, power tools, small home appliances, robot joints
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Sinusoidal Three-Phase Sensorless DC Motor Driver IC Brand: RM Semiconductor Operating Voltage: 4.5-16V, Typical Voltage 12V Peak Current: Up to 3A Key Features: Quiet Operation Sensorless Sinusoidal Wave Startup Low Rdson MOSFET (High-Side + Low-Side: 200mΩ) Speed Curves Configurable via EEPROM Multiple Startup Modes & Adjustable Startup Parameters Low Power Consumption Mode Comprehensive Protection Functions: Overcurrent, Overtemperature Protection Undervoltage Lockout (UVLO) Lock Detection Applications: Household Fan Applications, High-Speed Server Fans, etc.
ACM6753
Three-Phase Brushless DC Motor Driver IC Brand: Acme-Semi Model: ACM6753 Peak Current: 3.2A Operating Voltage: 12V Input Voltage Range: 5V - 18V Power: 30-40W Package: QFN(24) Features: Supports reverse wind startup, built-in sampling resistor Applications: Fan driver, water pump driver, intelligent toilet, air conditioner fresh air system
ACM6252
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.
ACM6732
Three-Phase BLDC Motor Driver IC Brand: Zhisheng Input Voltage Range: 2.7V – 16V On-resistance (High-side + Low-side): 300mΩ, peak phase current up to 2.4A 180° sinusoidal drive for ultra-low noise; square-wave drive available for high torque. No external current sense resistor required in sensorless drive mode. Built-in 5V LDO. Applications: cooling & ventilation fans, water pumps, small home appliance motors, automotive and portable devices.
Product Description

芯片概述：

这是AM7228S在一般消费类设备驱动12V风扇方面的应用。

AM7228S最吸引人的功能是通过外接电阻进行斜率调节，可以满足大多数风机的要求。该集成电路采用软开关驱动、bicmos工艺，实现了静音驱动、低导通电阻、低功耗。这也包括锁保护和自动重启电路，不需要外部电容器。


备注:AM7228S与AM7228的区别在于:

→停转点可调

AM7228S可调

AM7228不可调


Product Features

功能方框图：


图片		              



1） VH和VL引脚控制的斜率调整模式。

2） 软开关驱动器。

3） PWM速度控制。

4） 转速脉冲信号（FG）输出。

5） 包括锁定保护和自动重启电路。

6） 美国电力公司。

7） 霍尔偏置电压内置。

8） 内置软启动功能，降低通电噪音。

9） 停止模式占空比可调。


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GPU散热风扇
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