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参数资料
| 型号： | LB1939T |
| 元件分类： | 运动控制电子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 0.4 A, PDSO20 |
| 封装： | 1.1 MM HEIGHT, TSSOP-20 |
| 文件页数： | 5/7页 |
| 文件大小： | 64K |
| 代理商： | LB1939T |
Application Circuit Example 1
No. 6194-5/7
LB1939T
ENA1
ENA2
IN1
IN2
S-GND
SVDD
Vref VC1 VC2 RFG1 RFG2
OUT1
OUT2
VDD
VS2
VS1
OUT3
LB1939T
OUT4
OUT1
OUT2
OUT3
OUT4
Constant voltage control mode: OUT outputs a 1.75 V, which is Vref (0.9 V)
× 1.95.
* : FC1 and FC2 are left open.
ENA1
ENA2
IN1
IN2
S-GND
SVDD
Vref VC1 VC2 RFG1 RFG2
VDD
CPU
VS2
VS1
Constant current control mode: The RFG voltage is controlled so that Vref/4.5 = 0.2 V.
Therefore, when RfB is 1
, the circuit operates in constant current drive with Icoil = 0.2 V/1 = 200 mA.
*: There are no magnitude constraints on the inputs (ENA, IN) and the supply voltages (V
DD, VS).
For example, the IC can be operated at V
IN = 5 V, VDD = 3 V, and VS = 2 V.
FC1
FC2
Application Circuit Example 2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LB1939T_09 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:2 Channel H Bridge Constant Voltage/Constant Current Driver IC |
| LB1939T-MPB-E | 功能描述:马达/运动/点火控制器和驱动器 RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| LB1939T-TLM-E | 功能描述:马达/运动/点火控制器和驱动器 1.6-7.5V Stepping Motor Driver RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| LB1940T | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:2-ch H-Bridge Constant Current Driver |
| LB1940T_06 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:2-ch H-Bridge Constant Current Driver |
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