| Customization: | Available |
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| Type: | Hall Type |
| Output Signal Type: | Analog Output |
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The AHBC-CANB power sensor is a high-precision DC current sensor, which is mainly installed on the busbar of the battery pack to monitor the charging and discharging current. AHBC-CANB adopts fluxgate technology, which has the advantages of high precision.
The fluxgate principle has an absolute technical advantage in the field of high-precision measurement. The continuous oscillation of the excitation magnetic field is equivalent to the degaussing magnetic field, thereby minimizing the hysteresis. Item 4.2.4 of the national standard QCT 897-2011 stipulates that the SOC estimation accuracy requirement is not greater than 10%. In order to ensure this accuracy, the charging and discharging monitoring accuracy should be better than 1%. In order to ensure high-precision SOC under both large current and low current conditions, the full-scale accuracy of the sensor should be further improved by 0.3%. AHBC-CANB power sensor meets the accuracy requirements, and has smaller hysteresis and smaller zero offset.
1.Limit Parameters
| Parameters | Symbol | Specs | Condition |
| Overvoltage | Uc | 35Vdc | 400ms |
| Overvoltage | Uc | 32Vdc | 1min |
| Min Operating Voltage | Uc | 18Vdc | Can operate but can't measure |
| Max Operating Voltage | Uc | 28Vdc | Can operate but can't measure |
| Clearance | DCI | 7mm | / |
| Creepage Distance | DCP | 7.2mm | / |
| Insulation Resistance | RIS | 500MΩ | 500V, 1min |
| IP Rating | / | IP56 | / |
| AC Insulation Test Voltage | / | 5kV | 500Hz, 1min |
| DC Insulation Test Voltage | / | 5kV | 1min |
2.Standard Parameters
| Parameters | Symbol | Max Value |
Typical Value |
Min Value |
Unit | Condition |
| Rated Measuring Current | IPN | -500 | / | 500 | A | / |
| Max Measuring Current | IPM | -600 | / | 600 | A | / |
| Supply Voltage | Uc | 18 | 24 | 28 | V | / |
| Operating Current @Ip=0A | Ic | / | 30 | / | mA | Uc=12V, T=25ºC |
| Operating Current @IPM | Ic | / | 160 | / | mA | Uc=12V, T=25ºC |
| Linearity Error | L | -0.1 | / | 0.1 | % | ±3σ Full Temperature Range |
| Zero Offset @Ip=0A | Io | -10 | / | 10 | mA | ±3σ Full Temperature Range |
| Accuracy @Ip=±40A | XG | -60 | / | 60 | mA | ±3σ Full Temperature Range |
| Operating Temperature | TA | -40 | / | 105 | ºC | / |
| Zero Offset Temperature Drift | T off | / | 0 | / | mA/K | / |
| Gain Temperature Drift | T gain | -50 | / | 50 | ppm/K | ±3σ Full Temperature Range |
| Output Noise | Noise | -10 | / | 10 | dB | / |
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