Comments (5)
from simple_stepper_motor_analyzer.
thanks for that.
found this one on digikey but it is out of stock :(
is below the spec required?
Current Sensor 2.5A 1 Channel Hall Effect, Open Loop Bidirectional 8-SOIC (0.154", 3.90mm Width)
Voltage - Supply | 3V ~ 4.5V
from simple_stepper_motor_analyzer.
After having two orders not show up / cancelled I ordered from Zapta's link above and just got confirmation it has shipped. Thank you for the link.
Pete
from simple_stepper_motor_analyzer.
from simple_stepper_motor_analyzer.
The price is going up because the part ACS70331EOLCTR-2P5B3 is discontinued (according to LCSC). The design needs to be updated to use a current sensing approach that does not rely on discontinued parts.
Here is the list of available parts from the same manufacturer.
Unfortunately they still show ACS70331 as available. Given the current climate I'd trust LCSC and assume it isn't.
The specifications for the ACS70331 were 1 MHz, 5A, <550ns, 8mA @ 1Mhz, 3-4.5V, 1.1 mΩ.
It seems the other model they have with broadly similar specs is ACS730. This is still available through LCSC but very expensive.
With this approach, however, pin 6 requires 1nF to ground.
ACS70331 SOIC-8 schematic
ACS730 SOIC-8 schematic
from simple_stepper_motor_analyzer.
Related Issues (13)
- Link to legacy project links to self? HOT 6
- Firmware Update to use USB connected screen
- Placement file issue reported by JLCPB HOT 16
- Max step rate limitations HOT 2
- Alternate for current sense module ACS70331EESATR-2P5B3? HOT 2
- BOM is missing. HOT 3
- BOM link 404s. HOT 2
- current sensor orientation HOT 2
- Question about ADC reading and code structure. HOT 3
- display not powering up HOT 9
- Damaged screen. Is there any way to see the output? HOT 1
- Current Sensor ACS70331EOLCTR-2P5B3 appears to be EOL, any alternative? HOT 2
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