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| Name: | 电子城11 |
| Shop name: | 电子城11 |
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| Model: | L298N motor drive board; |
| Brand: | Zhicheng Electronics; |
Kind tips:At present, the module products of the company appear on the market. The L298 chip produced by the company is a new authentic chip. The electrolytes of the patch are two 35V 220UF high -voltage and high -capacity capacitors.100UF and 10V 100UF low -voltage low voltage capacity capacitors. Please recognize when buying. So as not to be deceived and burn the circuit board.
L298N Drive Electric 28byj-48 Tutorial Link: http://v.ku6.com/show/jdltz-watzp-434o6_7teg...html? NR = 1&st=1_9_4_1&nr=1
L298N_ Electric Drive Module_ee program bookhttp://wenku.baidu.com/view/bb2431ed941EA76E58FA04F7.HTML
☆ Basic attributes ☆ | |||
Module name | Double H Bridge Motor Drive Module | Operating mode | H bridge driver (double road) |
Master chip | L298N | package style |
|
Logic voltage | 5V | Drive voltage | 5V-35V |
Logic current | 0mA-36mA | Drive current | 2A (MAX single bridge) |
storage temperature | -20 ℃ to +135 ℃ | Maximum power | 25W |
weight | 30g | Peripheral size | 43*43*27mm |
Features: ★ This module uses the L298N of ST Company as the main driver chip. It has the characteristics of strong driving capacity, low heat transmission, and strong anti -interference ability. ★ This module can use the built -in 78M05 to take power from the power supply part of the power supply, but in order to avoid damage to the voltage chip, when using the 12V driver voltage, use external 5V logic power supply. ★ This module uses a large -capacity filter capacitor to continuously protect the diode, which can improve reliability. ★ This module is available in the audience, please take it directly, thank you. | |||
Precautions:
1. When your driver voltage (The identification in the figure above is 12V input, the actual acceptable input range is 7-12V) For 7V-12V, you can enable the 5V logic power supply that can be carried. When the 5V power supply is used, the+5V in the interface
Do not enter the voltage, but it can lead to 5V voltage for external use.(This is a conventional application!)
2. When the driver voltage is higher than 12V, less than equal to 24V (the chip manual can support 35V, but according to the scriptures
Examination generally 298 conservative application maximum voltage support to 24V is amazing!) At the time, for example, you need to drive the rated voltage to
18V motor.First, you must remove the jumper cap of the 5V output.Then access 5V outside the 5V output port
5V enable One level is 5Vcontrol signalWhen this signal input is valid, andmotor drivenWhen the power supply in the module is normal,motor drivenThe module output current.Otherwise, even if the power supply is normal, there is no current on the motor.
Voltage supply to the internal logic circuit of L298N.(This is an unconventional application of high -pressure drivers!)
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