参数资料
| 型号： | AH5798-YG-13 |
| 厂商： | Diodes Inc |
| 文件页数： | 3/11页 |
| 文件大小： | 0K |
| 描述： | IC FAN MOTOR DRIVR BLDC SOT89-5L |
| 标准包装： | 1 |
| 应用： | 风扇电机驱动器，无刷（BLDC） |
| 输出数： | 1 |
| 电流 - 输出： | 300mA |
| 电源电压： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-89-5/6 |
| 供应商设备封装： | SOT-89-5 |
| 包装： | 标准包装 |
| 产品目录页面： | 1133 (CN2011-ZH PDF) |
| 其它名称： | AH5798-YG-13DIDKR |
AH5798
SINGLE PHASE HALL EFFECT LATCH SMART
FAN MOTOR CONTROLLER
Functional Block Diagram
Vdd
Power
Frequency
Generator
FG
O1
Hall
Sensor
AMP
Control
Logic
Soft Switching
Control
Full Bridge
Driver
O2
Lock detect,
Operating
Vss
Shoutdown and
Automatic re-start
Magentic
O2
O1
S
N
FG
Ton
Toff
Normal spinning
Mechanical lock
motor locked detected
“Re-start spinning”
motor locked cleared
Notes:
2. In “Normal spinning”, the FG changes its state at each rising edge of O1.
3. When the motor locks with South pole at the Hall element, O2 is kept on “L” and O1 is a clock with Ton/Toff ratio. When motor
locks with North pole at the Hall element, O1 is kept on “L”, O2 is a clock with Ton/Toff ratio.
4. When “Re-start spinning” occurs, the motor speed ramps up to the “Normal Spinning” speed from zero. Speed ramp-up profile
depends on motor characteristics.
AH5798
Document number: DS32001 Rev. 2 - 2
3 of 11
June 2010
? Diodes Incorporated
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