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参数资料
| 型号： | MPC17529EVEL |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 9/15页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER MOTOR H-BRIDGE 20-MFP |
| 标准包装： | 1 |
| 应用： | DC 电机驱动器，步进电机驱动器，H 桥式 |
| 输出数： | 1 |
| 电流 - 输出： | 700mA |
| 电压 - 负载： | 2 V ~ 6.8 V |
| 电源电压： | 2.7 V ~ 5.6 V |
| 工作温度： | -20°C ~ 65°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 20-VMFP |
| 包装： | 剪切带 (CT) |
| 其它名称： | MPC17529EVELCT |
APPLICATIONS
FUNCTIONAL PIN DESCRIPTION
APPLICATIONS
TYPICAL APPLICATION
Figure 7 shows a typical application for the 17529. When
applying the gate voltage to the CRES pin from an external
source, be sure to connect it via a resistor equal to, or greater
than, R G = V CRES / 0.02 Ω .
The internal charge pump of this device is generated from
the VDD supply; therefore, care must be taken to provide
sufficient gate-source voltage for the high side MOSFETs
when V M >> V DD (e.g., V M = 5.0 V, V DD = 3.0 V), in order to
ensure full enhancement of the high-side MOSFET channels.
5.0 V
17529
C RES < 14 V
V
R G > V CRES /0.02 Ω
NC
NC
NC
NC
C1L
C1H
C2L
C2H
VDD VM
OUT1A
CRES
R G
MCU
0.01 μ F
IN1A
IN1B
IN2A
IN2B
OE
OUT1B
OUT2A
OUT2B
GND
NC = No Connect
Figure 7. 17529 Typical Application Diagram
CONDUCTED ELECTROMOTIVE FORCE (CEMF)
SNUBBING TECHNIQUES
Care must be taken to protect the IC from potentially
damaging CEMF spikes induced when commutating currents
in inductive loads. Typical practice is to provide snubbing of
voltage transients by placing a capacitor or zener at the
supply pin (VM) (see Figure 8 ).
PCB LAYOUT
When designing the printed circuit board (PCB), connect
sufficient capacitance between power supply and ground
pins to ensure proper filtering from transients. For all high-
current paths, use wide copper traces and shortest possible
distances.
5.0 V
5 .0 V
5.0 V
5.0 V
175XX
175XX
VDD
C1L
C1H
C2L
VM
OUT
VDD
C1L
C1H
C2L
VM
OUT
C2H
CRES
OUT
GND
C2H
CRES
OUT
GND
Figure 8. CEMF Snubbing Techniques
17529
Analog Integrated Circuit Device Data
Freescale Semiconductor
9
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MPC17531A | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:700 mA Dual H-Bridge Motor Driver with 3.0 V Compatible Logic I/O |
| MPC17531A_08 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:700 mA Dual H-Bridge Motor Driver with 3.0 V Compatible Logic I/O |
| MPC17531AEL | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:700 mA Dual H-Bridge Motor Driver with 3.0 V Compatible Logic I/O |
| MPC17531AEP | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:700 mA Dual H-Bridge Motor Driver with 3.0 V Compatible Logic I/O |
| MPC17531AEV | 功能描述:马达/运动/点火控制器和驱动器 2CH H BRIDGES 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 |
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