The CXMD3250 is a single-phase full-wave motor driver for DC fan motor, and its speed can be controlled by PWM input signal. The output signal of this IC is the amplified hall input signal. It is suitable for both game machine and CPU cooler that need silent drivers. The device has lock protection function and the lock-restart timing can be tunable by CT capacitor. The device is also with thermal shutdown function.
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[ CXMD3250 ]"
目录
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产品概述 返回TOP
The CXMD3250 is a single-phase full-wave motor driver for DC fan motor, and its speed can be controlled by PWM input signal. The output signal of this IC is the amplified hall input signal. It is suitable for both game machine and CPU cooler that need silent drivers. The device has lock protection function and the lock-restart timing can be tunable by CT capacitor. The device is also with thermal shutdown function. In normal operation, the supply current is less than 3mA, but in PWM=0 standby mode, it is just around 130mA. Moreover, this feature will shutdown HB, Amplifier, and FG. The CXMD3250 is available in MSOP-10 package.
产品特点 返回TOP
· Single Phase Full Wave Fan Driver
· Silent Driver
· Low Supply Current
· Low Standby Current (PWM=0), Supply current less than 200mA
· Speed controllable by PWM input signal
· Built-in Quick Start Function
· Lock Protection and Auto Restart Function
· Built-in FG Output
· Built-in Hall Bias Circuit
· Built-in Thermal Protection Circuit
· Lead Free and Green Devices Available (RoHS Compliant)
应用范围 返回TOP
· Motor Drivers For Silent Fan Motors
技术规格书(产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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Fan Motor Driver > Notebook PC Application |
||||||||||||
Part_No |
Main App. Fields |
Package |
Supply Voltage (V) |
Output Current (max)(mA) |
Phase |
FG |
RD |
Lock& Restart Time |
Speed Control |
HB Output |
Status |
|
min |
max |
|||||||||||
NB Motor |
MSOP10 |
2 |
5.5 |
1000 |
1 |
Yes |
No |
CT |
Direct PWM |
Yes |
Now |
|
NB Motor |
MSOP8 |
2.3 |
5.5 |
1000 |
1 |
Yes |
No |
Internal |
Direct PWM |
No |
Now |
|
NB Motor |
MSOP8 |
2 |
5.5 |
1000 |
1 |
Yes |
No |
Internal |
- |
Yes |
Now |
|
NB Motor |
MSOP10 |
2.2 |
5.5 |
1000 |
1 |
Yes |
No |
Internal |
- |
No |
Now |
Fan Motor Driver > Desktop PC Application |
|||||||||||||
Part_No |
Main App. Fields |
Pack. |
Supply Voltage (V) |
Output Current (max)(mA) |
Phase |
FG |
RD |
Lock& Restart Time |
Speed Control |
Regul ator |
HB Output |
Status |
|
min |
max |
||||||||||||
NB Motor |
SSOP16 |
4.5 |
15 |
1000 |
1 |
Yes |
Yes |
CT |
PWM |
No |
Yes |
Now |