参数资料
| 型号： | AH5798-YG-13 |
| 厂商： | Diodes Inc |
| 文件页数： | 1/11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
Description
The AH5798 is a single chip solution for driving single-coil
brushless direct current (BLDC) fans and motors. The
Pin Assignments
( Top View )
integrated full-bridge driver output stage uses soft switching
to minimize audible switching noise and electromagnetic
interference (EMI) providing a low noise solution.
Vdd 1
5 FG
To help protect the motor coil, the AH5798 provides Rotor
Vss
2
NC
Lock Protection which shuts down output drive if rotor lock is
detected. The device automatically re-starts when the rotor
lock is removed. Over temperature shutdown provides
thermal protection for the device.
A Tachometer output is provided by open-drain Frequency
Generator (FG) Pin which allows external interface to monitor
motor rotation or speed. The FG output is the magnetic
O1 3
SOT89-5L
( Top View)
74 O2
change frequency.
The AH5798 is available in space saving SOT89-5L and
FG
Vss
1
2
5
Vdd
thinner TSOT25 packages.
O2
3
4
O1
Features
TSOT25
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?
Supports single-coil full-wave DC fan drivers
Built-in Hall sensor and input amplifier
?
?
Operating Voltage: 1.8V to 5.5V
Soft switching for low noise DC fan motor applications
Applications
?
?
?
?
Rotor Lock Protection (Lock detection, output shutdown
and automatic re-start)
Thermal protection
Tachometer (FG) output
No external timing capacitor - Reduces the numbers of
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?
?
3.3V / 5V Min. BLDC Cooling Fans
Netbook/ Notebook BLDC fans
Low Voltage/ Low Power BLDC Motors
external components required
?
?
Low profile packages: SOT89-5L and TSOT25
“Green” Molding Compound
AH5798
Document number: DS32001 Rev. 2 - 2
1 of 11
June 2010
? Diodes Incorporated
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