| ??? 06/21/06 16:34 Read: times |
#118768 - Vsense resistor Responding to: ???'s previous message |
Earlier you mentioned the rated current for motor is 1.2 A/phase (if I recall correctly). At 1.2 amps with a 1 ohm resistor = 1.2V = Vref. You also said your Vref was 2.11 Volts, which would give you 2.11A/phase on motor, I'm thinking the L298 is only good for 2A/phase. You'll have to check the datasheet on that.
Jon ps you need a higher wattage on the Vsense too 1.2A * 1.2V = 1.44W, you could parallel a pair (if you have them) |
| Topic | Author | Date |
| alternative of L297 + L298 ?? | 01/01/70 00:00 | |
| datasheet | 01/01/70 00:00 | |
| motor drivers = Allegro | 01/01/70 00:00 | |
| You need to name your homepage | 01/01/70 00:00 | |
| homepage + 800 rpm | 01/01/70 00:00 | |
| Homepage | 01/01/70 00:00 | |
| Also, server is case sensitive | 01/01/70 00:00 | |
| 800RPM | 01/01/70 00:00 | |
| More details | 01/01/70 00:00 | |
| 1000 rpm | 01/01/70 00:00 | |
| Is this the right datasheet? | 01/01/70 00:00 | |
| re:check this out | 01/01/70 00:00 | |
| Trinamic | 01/01/70 00:00 | |
| IMS Drive | 01/01/70 00:00 | |
| THANKS | 01/01/70 00:00 | |
| Check this out | 01/01/70 00:00 | |
| LM18200 | 01/01/70 00:00 | |
| Just did 893 RPM with my new setup | 01/01/70 00:00 | |
| progress so far | 01/01/70 00:00 | |
| 10 ohm resistor | 01/01/70 00:00 | |
| re: 10 Ohm resistor | 01/01/70 00:00 | |
| Vsense resistor | 01/01/70 00:00 | |
| Or.... | 01/01/70 00:00 | |
| Ramping | 01/01/70 00:00 | |
| re:ramping | 01/01/70 00:00 | |
| ramp and osc | 01/01/70 00:00 | |
| re: ramp and osc | 01/01/70 00:00 | |
| resistors heating | 01/01/70 00:00 | |
| Ramping up the motor speed | 01/01/70 00:00 | |
Series Resistors | 01/01/70 00:00 |