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参数资料
| 型号： | LB1876 |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 2.5 A, PDSO36 |
| 封装： | 0.375 INCH, HSOP-36 |
| 文件页数： | 12/12页 |
| 文件大小： | 163K |
| 代理商： | LB1876 |
LB1876
No.6201-9/12
Continued from preceding page.
Pin No.
Pin name
Function
Equivalent curcuit
31
VREG
Stabilized power supply output (5V output) pin.
Insert a capacitor between this pin and ground for
stabilization. (About 0.1
F.)
31
VCC
32
LDSEL
Phase lock signal mask switching pin.
Low: 0 to 1.5V
High: 3.5V to VREG
When open, this pin goes to the high level.
When low, transient unlock signals (short high-level periods
on the LD output) are masked, and when high, transient lock
signals (short low-level periods on the LD output) are
masked.
32
VREG
30k
2k
33
BRSEL
Braking control pin.
Low: 0 to 1.5V
High: 3.5V to VREG
When open, this pin goes to the high level.
When low, reverse torque control is applied and when high,
the circuit operates in free-running mode. An external
Schottky barrier diode is required on the low side output
when reverse torque control is applied.
33
VREG
30k
2k
FRAME
The FRAME pin is connected internally to the metal frame at
the base of the IC. Electrically, both the FRAME pin and the
metal frame are left open. To improve thermal dissipation,
provide a corresponding land on the PCB and solder the
FRAME pin to that land.
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