12V/24V 20A DC Motor Speed Controller Kit

by: Silicon Chip Magazine
SKU: K6007
This gutsy little speed controller has a wide range of applications and is simple to build and use. There are no software settings to fiddle with but it does have some really useful features such as low-battery protection, soft start and adjustable pulse frequency. It can run from 12V or 24V batteries at currents of up to 20A. (as seen in Silicon Chip Magazine June ''11).
$46.14

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Overview

This gutsy little speed controller has a wide range of applications and is simple to build and use. There are no software settings to fiddle with but it does have some really useful features such as low-battery protection, soft start and adjustable pulse frequency. It can run from 12V or 24V batteries at currents of up to 20A. (as seen in Silicon Chip Magazine June ''11)

Important Note For Kit Buyers:

This product is supplied in component form and requires soldering, drilling, and assembly. We recommend users are familiar with at least basic electronic principles and have the ability to solder.

 

NOTE: This kit is only suitable for use with DC motors

Requires 1 x 12/24V SLA battery (sold separately)

 

 

Specifications:

 

Supply Voltage: 12-30VDC

Supply Current: 20A maximum

Output Current: 20A maximum

Standby Current: 20mA

Control Range: 0-100%

Low Voltage Cut-out: typically set for 11.5V (for 12V battery) or 23V (for 24V battery)

Pulse Frequency Adjustment: ∼100Hz to 1.1KHz (129Hz to 1.28Khz measured on prototype)

Soft Start: from 0-100% (or to set speed) over aboout 1s

Mosfet gate rise and fall times: 1.5µs & 1.6µs respectively

 

Features:

  • 20A current rating
  • 12V or 24V operation
  • On-board trimpot or external potentiometer for speed adjustment
  • Optional soft start
  • 0-100% speed control range
  • Efficient PWM control
  • PWM frequency adjustment
  • Low battery protection

Details

Products specifications

Warranty 12 Months

Warranty

WARRANTY

We offer 12 Months warranty on this product from its date of purchase. This is available from Altronics stores, online purchases or Altronics resellers. In accordance with our full warranty terms we will repair, replace or refund if goods you have purchased from us are defective.

30 DAY MONEY BACK GUARANTEE

Not withstanding our warranty policy, if you are dissatisfied with our goods or service you may return the goods within 30 days of our despatch date. Simply contact us for a return authorisation number and we will refund your purchase in full, less transport costs on receipt of goods. All returned goods must be in as sold condition including all packaging, instructions, invoices etc.