产品概览
The ACS733KLATR-40AB-T from Allegro MicroSystems is a 40A Hall-effect current sensor IC in a SOIC-16 package. With 2.1kV isolation and 120kHz bandwidth, it provides galvanically isolated AC/DC current measurement with ratiometric analog output.
主要规格
| Current Range | +/-40 A |
| Sensitivity | 33 mV/A (typical) |
| 隔离电压 | 2100 Vrms |
| Bandwidth | 120 kHz |
| 电源电压 | 3.0 V to 3.6 V |
| 输出类型 | Ratiometric analog (0.5x VCC at 0A) |
| 工作温度 | -40C to +125C |
特点
- +/-40A current range with 33mV/A sensitivity for motor drive sensing
- 2100Vrms galvanic isolation for safety-rated high-voltage measurement
- 120kHz bandwidth supports switching current waveform monitoring
- 3.3V single supply with ratiometric output for direct ADC connection
- Integrated conductor eliminates external shunt resistor and isolation amplifier
- AEC-Q100 qualified for automotive current sensing applications
应用
- Motor drive and inverter current sensing at +/-40A
- Automotive HEV/EV battery current monitoring
- Solar inverter current measurement with 2.1kV isolation
- Industrial UPS and power supply load current monitoring