产品特点 FEATURES

1 Linear Hall sensor optimized for AC and DC current sensing applications

2 Supports supply voltage of 3.3V or 5V (this variant uses 5V ratiometric supply)

3 Provides analog ratiometric output voltage proportional to the sensed current

4 Factory-trimmed magnetic sensitivity and offset for high accuracy (ABT variant ensures precision over temperature)

5 Medium speed sensing: DC to 40kHz bandwidth and <10µs response time

6 Fast startup time enabling efficient power gating

7 RoHS compliant & Green, available in miniature packages (TO92 UA 3L through hole for this model)

8 Suitable for lead-free soldering up to 260°C, MSL1 rating for UA package

9 AEC-Q100 Automotive Qualified, meeting strict automotive reliability standards

10 Key specs for ABT-500 variant: sensitivity 18.42-19.18mV/mT (typ 18.8mV/mT), linear magnetic field range ±106mT, max linearity error ±0.9%, quiescent output voltage 49.5-50.5%VDD at 25°C

使用场景 APPLICATIONS

1 Automotive systems: 12V starter-generators and 48V inverters (BSG/ISG) in hybrid/electric vehicles

2 E-mobility: Traction inverters for e-scooters and low-speed electric vehicles

3 Industrial equipment: Current monitoring in forklift electrical systems

4 General medium-speed AC/DC current sensing applications requiring high accuracy and automotive-grade reliability

注意事项 PRECAUTIONS

1 ESD protection: Handle with anti-static measures (HBM ESD protection 8kV, CDM 500V)

2 Soldering: Follow Melexis' recommended profiles; avoid exceeding 260°C for lead-free soldering

3 Operating limits: Do not exceed supply voltage ±7V/-0.3V, operating temp -40°C~150°C, junction temp 165°C

4 Application design: Place inside ferromagnetic core to minimize external magnetic interference

5 Load requirements: Output resistive load ≥5kΩ, capacitive load ≤100nF (with RS=50Ω)

6 Supply voltage: Operate within 3.135V~5.5V range for this variant

MLX91211LUA-ABT-500-RE-PDF数据手册-参考资料