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VNH5019 - single-channel 24V / 12A motor controller - Pololu - 1451
ST's VNH5019 module operates from 5.5 V to 24 V. Maximum continuous output current is 12 A (momentary: 30 A).
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Product description: Pololu VNH5019 - Single channel 24 V / 12 A motor controller
ST's VNH3SP30 single-channel H-bridge module allows you to control motors supplied with a voltage range of 5.5 V - 24 V with a continuous current of up to 12 A, instantaneous up to 30 A. The system allows you to change the direction of rotation of the motor and speed control by PWM signal.
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Minimal connection of VNH5019 module with microcontroller.
VNH5019 controller specifications
- Supply voltages: 5.5 V - 24 V
- Continuous output current: 12 A
- Maximum instantaneous current: 30 A
- PWM frequency: up to 20 kHz
- Current measurement output
- LED indicators
- Protection
- Against incorrect power supply connection
- Supply voltage too high and too low
- Against short-circuit to ground and supply voltage
Included:
- module with VNH5019 controller
- power supply connector
- goldpin connector
PWM signal inputs are connected to ground. Therefore the motor power outputs are disabled by default. On the outputs of INA, INB direction of rotation control no potential is set by default.
The LEDs on the board are very helpful in detecting connection problems. The brightness increases with the speed of the motor and the color changes with the direction of rotation.
| Pin | Description |
|---|---|
| VIN | 24 V power supply |
| VDD | Power supply for logic part 2,5 V to 5 V |
| VOUT | Voltage output after reverse power protection circuit. |
| OUTA | Output of half-bridge A of the motor supply |
| OUTB | Output of half bridge B of motor supply |
| PWM | PWM signal input pulled to ground by default (up to 20 kHz) |
| INA/INB | Inputs for changing the direction of rotation. Not connected by default. |
| GND | GND |
| CS | Current measurement outputs. 140mV per 1A. Active when CS_DIS pin is in low state. |
| ENA/DIAGA | Blocking half-bridge A. Low state blocks the operation of half-bridge A. Default state high. |
| ENB/DIAGB | Half bridge B inhibit. A low state blocks the operation of half bridge B. Default state is high. |
| CS_DIS | Locks the current measurement output. A high state blocks the CS output. Default state low. |
| VNH3SP30 | VNH2SP30 | VNH5019 | |
| Supply voltage | 5.5 - 16 V | 5.5 - 16 V | 5.5 - 24 V |
| Resistance of MOSFET | 34 mΩ typical | 19 mΩ max. | 18 mΩ typical |
| Max. PWM frequency | 10 kHz | 20 kHz | 20 kHz |
| Current measurement output | n/a | 0.13 V/A | 0.13 V/A |
| Minimum level of logic signals | 3.25 V | 3.25 V | 2.1 V |
| Time to Overheat at 20 A | 8 s | 35 s | 20 s |
| Time to superheat at 15 A | 30 s | 150 s | 90 s |
| Continuous current | 9 A | 14 A | 12 A |
Useful links
| Name | Value |
|---|---|
| Voltage to | 5.5 V |
| Voltage from | 24.0 V |
| Current | 12.0 A |
| Channels | 1 |
| Width | 8 cm |
| Height | 0.5 cm |
| Depth | 10 cm |
| Weight | 0.012 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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