MLX91209LVA-CAA-005-SP

Current Sensors Overview

The MLX91209LVA-CAA-005-SP is a single-channel, bidirectional Hall effect current sensor manufactured by Melexis Technologies NV. It operates on a 4.5V to 5.5V supply with a maximum current consumption of 14mA. The device features a 4-SIP through-hole package and delivers a voltage ratio output with a factory-programmed sensitivity of 8.78mV/mT. It supports frequencies from DC to 250kHz, exhibits a response time of 2µs, and maintains linearity within ±0.4%. The component is qualified for automotive applications under AEC-Q100 standards and functions reliably across a temperature range of -40°C to 150°C.

Current Sensors Feature Summary

• Provides high-speed analog output proportional to external magnetic flux density
• Features fully programmable transfer characteristics including offset, sensitivity, and response time
• Includes overvoltage protection and reverse voltage protection with diagnostic capabilities

Current Sensors Applications

• Inverter systems in hybrid electric vehicles (HEV)
• Current measurement in electric vehicles (EV)
• Solar panel monitoring and control

Current Sensors Procurement Notes

Verify the specific suffix against official documentation to confirm packaging type and sensitivity settings. Ensure the ordering part number matches the required SIP configuration and that the device meets the necessary automotive qualification standards for the target application environment.

Current Sensors Selection Notes

Select this component when a fast response time and high bandwidth are critical for AC or DC current sensing. The programmable nature allows compensation for mechanical and magnetic circuit errors during assembly. Consider the 4-SIP form factor for integration with soft iron cores in tight spaces.

Current Sensors Part Context

This part belongs to the MLX91209 series of programmable Hall effect current sensors. It utilizes conventional Hall technology where an external magnetic core concentrates the signal into a small air gap containing the IC. This design offers electrical isolation and robustness against stray fields compared to non-magnetic solutions.

Current Sensors FAQ

Is the sensitivity fixed or adjustable?

The sensitivity is fully programmable by the customer, allowing adjustment within a specified range to suit specific application requirements.

What is the maximum operating frequency?

The sensor supports a frequency range up to 250kHz, making it suitable for high-speed switching applications.