ACHS-712x Current Sensor Carriers
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These current sensors are carrier boards or breakout boards for Broadcom’s ACHS-712x Hall effect-based, electrically isolated current sensors. They operate from 4.5 V to 5.5 V and are intended for use in 5 V systems. The following list details some of the sensor’s key features:
- Hall effect-based sensor with electrically isolated current path allows the sensor to be inserted anywhere along the current path and to be used in applications that require electrical isolation.
- Analog voltage output proportional to the current (and centered around 2.5 V for the bidirectional versions).
- The conductive path internal resistance is typically 0.7 mΩ, and the PCB is made with 2-oz copper, so very little power is lost in the board.
- 80 kHz bandwidth that can optionally be decreased by adding a capacitor across the board pins marked “filter”.
- High accuracy and reliability: typical total output error of ±1.5% at room temperature with factory calibration, an extremely stable output offset voltage, and almost zero magnetic hysteresis.
- Robust sensor IC can tolerate 100 ms transient current spikes up to 100 A.
- Wide operating temperature range of -40°C to 110°C.
Clearance notice: These older current sensors are on clearance at a discounted price and will be discontinued when remaining component stock is depleted.
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Products in category “ACHS-712x Current Sensor Carriers”
| Pololu item #: 4030 | |
| Brand: Pololu | supply outlook |
| Status: Clearance | |
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Clearance notice: These older current sensors are on clearance at a discounted price and will be discontinued once remaining component stock is depleted.
This board is a simple carrier of Broadcom’s bidirectional ±10A ACHS-7121 Hall effect-based, electrically isolated current sensor, which offers a low-resistance (~0.7 mΩ) current path and electrical isolation. This version accepts a bidirectional current input with a magnitude up to 10 A and outputs a proportional analog voltage (185 mV/A) centered at 2.5 V with a typical error of ±1.5%. It operates from 4.5 V to 5.5 V and is intended for use in 5 V systems.
| Pololu item #: 4031 | |
| Brand: Pololu | supply outlook |
| Status: Clearance | |
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Clearance notice: These older current sensors are on clearance at a discounted price and will be discontinued once remaining component stock is depleted.
This board is a simple carrier of Broadcom’s bidirectional ±20A ACHS-7122 Hall effect-based, electrically isolated current sensor, which offers a low-resistance (~0.7 mΩ) current path and electrical isolation. This version accepts a bidirectional current input with a magnitude up to 20 A and outputs a proportional analog voltage (100 mV/A) centered at 2.5 V with a typical error of ±1.5%. It operates from 4.5 V to 5.5 V and is intended for use in 5 V systems.
| Pololu item #: 4032 | |
| Brand: Pololu | supply outlook |
| Status: Clearance | |
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Clearance notice: These older current sensors are on clearance at a discounted price and will be discontinued once remaining component stock is depleted.
This board is a simple carrier of Broadcom’s bidirectional ±30A ACHS-7123 Hall effect-based, electrically isolated current sensor, which offers a low-resistance (~0.7 mΩ) current path and electrical isolation. This version accepts a bidirectional current input with a magnitude up to 30 A and outputs a proportional analog voltage (66 mV/A) centered at 2.5 V with a typical error of ±1.5%. It operates from 4.5 V to 5.5 V and is intended for use in 5 V systems.
| Pololu item #: 4033 | |
| Brand: Pololu | supply outlook |
| Status: Clearance | |
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Clearance notice: These older current sensors are on clearance at a discounted price and will be discontinued once remaining component stock is depleted.
This board is a simple carrier of Broadcom’s bidirectional ±40A ACHS-7124 Hall effect-based, electrically isolated current sensor, which offers a low-resistance (~0.7 mΩ) current path and electrical isolation. This version accepts a bidirectional current input with a magnitude up to 40 A and outputs a proportional analog voltage (50 mV/A) centered at 2.5 V with a typical error of ±1.5%. It operates from 4.5 V to 5.5 V and is intended for use in 5 V systems.
| Pololu item #: 4034 | |
| Brand: Pololu | supply outlook |
| Status: Clearance | |
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|
|
Clearance notice: These older current sensors are on clearance at a discounted price and will be discontinued once remaining component stock is depleted.
This board is a simple carrier of Broadcom’s bidirectional ±50A ACHS-7124 Hall effect-based, electrically isolated current sensor, which offers a low-resistance (~0.7 mΩ) current path and electrical isolation. This version accepts a bidirectional current input with a magnitude up to 50 A and outputs a proportional analog voltage (40 mV/A) centered at 2.5 V with a typical error of ±1.5%. It operates from 4.5 V to 5.5 V and is intended for use in 5 V systems.
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