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ACS725LLCTR-20AB-T
+NomenclatureSENSOR CURRENT HALL 20A 8SOIC
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FabricantAllegro microsystèmes
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Pièce fabricant #ACS725LLCTR-20AB-T
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Fiche technique ACS725LLCTR-20AB-T DataSheet
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Package SOP-8
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En stock1842
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| For Measuring | AC/DC |
| Sensor Type | Hall Effect, Differential |
| Current - Sensing | 20A |
| Number of Channels | 1 |
| Output | Ratiometric, Voltage |
| Sensitivity | 66mV/A |
| Frequency | DC ~ 120kHz |
| Linearity | ±1.5% |
| Accuracy | ±0.8% |
| Voltage - Supply | 3V ~ 3.6V |
| Response Time | 4µs |
| Current - Supply (Max) | 14mA |
| Operating Temperature | -40°C ~ 150°C |
| Polarization | Bidirectional |
| Mounting Type | Surface Mount |
Présentation
Description
Key features include:
1. Current Sensing Range: It can measure currents up to ±20 amps with a high degree of accuracy.
2. Compact Package: Comes in a small, surface-mount SOIC-8 package, making it suitable for space-constrained applications.
3. Isolation: Offers basic isolation for the current path from the signal leads, enhancing safety in high-voltage applications.
4. Output Voltage: Provides a ratiometric analog voltage output that corresponds linearly to the sensed current.
5. Temperature Stability: Designed for stable performance across a wide temperature range.
6. Bandwidth: Typically features a bandwidth of 120 kHz, allowing for real-time sensing in dynamic systems.
This sensor is widely used in motor control, load detection, power supply, and overcurrent fault protection applications.
Equivalent
1. Allegro ACS712 - A similar Hall-effect current sensor with different current ranges.
2. Honeywell CSLA2CD - Another Hall-effect based sensor.
3. LEM HO series - Provides various current measuring options.
4. Melexis MLX91205 - An alternative sensor with similar functionalities.
Ensure specifications match your requirements in terms of current range, sensitivity, and other electrical characteristics.
Features
1. Current Sensing Range: It can handle current sensing up to ±20A, making it versatile for various applications.
2. Isolation: The sensor provides galvanic isolation, which ensures safe handling of high-voltage systems.
3. Sensitivity: It has a sensitivity of 100 mV/A, providing accurate readings.
4. Bandwidth: The bandwidth is typically set at 120 kHz, suitable for dynamic performance in fast-changing current environments.
5. Output: It delivers a ratiometric analog voltage output, proportional to the current passing through the sensor.
6. Supply Voltage: The device operates on a 3.3V supply, making it compatible with various digital systems.
7. Integrated Shielding: The sensor includes integrated shielding to reduce capacitive coupling, enhancing measurement accuracy.
8. Package: It is available in a small surface-mount SOIC-8 package, facilitating easy integration into compact circuit designs.
These features make the ACS725LLCTR-20AB-T ideal for applications requiring high precision and reliability in current measurement.
Pinout
Key functions and pin configuration include:
1. VCC (Pin 1): Power supply pin for the device.
2. Output (Pin 2): Provides the analog voltage output.
3. GND (Pin 3): Ground reference for the device.
4. FILTER (Pin 4): A pin used for setting the bandwidth via an external capacitor.
5. IP+ (Pin 5 and 8): Positive current input terminals where the current to be measured is passed.
6. IP- (Pin 6 and 7): Negative current input terminals corresponding to the current path.
This sensor offers high bandwidth and high accuracy for current sensing applications, with a measurement capability of up to ±20 A.
Manufacturer
Application
1. Battery Management Systems: For monitoring current flow in battery packs, particularly in electric vehicles and renewable energy systems.
2. Power Supply Management: Used in AC-DC and DC-DC converters for current monitoring and protection.
3. Motor Control: Provides current feedback in motor control applications, enhancing efficiency and safety.
4. Industrial Automation: Employed in automation equipment for precise current measurement.
5. Consumer Electronics: Utilized in devices requiring overcurrent protection and energy management.
Its ability to provide precise, isolated current sensing with low power consumption makes it versatile across various industries.