The minimum number of connections of the module VNH5019 with a microcontroller.
The input PWM signal pulled up to the masses. The power outputs of the engines, so they are blocked by default. On the Findings of controlling the direction of rotation INA, MOS was not installed by default, no potential.
The LEDs located on the Board, they are very useful for discovering problems with the connection. The brightness increases with the rotational speed of the engine, and the color changes with the direction of rotation.
|VIN||The 24 V Supply|
|VDD||Power logic 2.5 V to 5 V|
|VOUT||Output voltage protection against reverse power connection.|
|OUT||The output of half-bridge And power engines|
|OUTB||Output half-bridge B power engines|
|PWM||The input of the PWM signal by default pulled to ground (to 20 kHz)|
|INA/MOP||Zone changes direction of rotation. Default not active.|
|CS||The output of the current measurement. 140mV at 1A. Active when PIN CS_DIS low.|
|ENA/DIAGA||Blocking half-bridge A. low asks of operation half-bridge A. the Default high state.|
|ENB/DIAGB||Blocking half of the sternum B. the status of the low operation asks half of the sternum B. Default in the high state.|
|CS_DIS||Lock output current measurement. High I block the output CS. Default in the low state.|
Diagram of the module VNH519.
|Voltage||5.5 – 16 V||5.5 – 16 V||5.5 – 24 in|
|The resistance of the MOSFET||34 mω.||19 mΩ max.||18 mΩ typ.|
|Max. the PWM frequency||10 kHz||20 kHz||20 kHz|
|Output current measurement||n/a||0.13 V/A||0.13 V/A|
|The minimum level logical signals||3.25 V||3.25 V||2.1 V|
|Time to overheat at 20 A||8 sec||35 sec||20 sec|
|Time before overheating And przy15||30 sec||150 s||90's|
|Continuous current||9 A||14 And||12 And|
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