ALD910027SAL

Special Purpose Overview

The ALD910027SAL is a dual-channel Supercapacitor Auto Balancing (SAB) MOSFET array manufactured by Advanced Linear Devices. It utilizes EPAD technology to balance voltage and leakage current in series-connected supercapacitors. The device features a precision gate threshold voltage of 2.70V at an output current of 1µA, with an operating temperature range of 0°C to +70°C. It operates within a supply voltage of up to 15.0V and supports a maximum drain-source voltage of 10.6V.

Special Purpose Feature Summary

• Automatically regulates and balances leakage currents across series-connected supercapacitors
• Precision factory trimmed for accurate voltage balancing
• Exponential current response to input voltage changes
• Near zero additional leakage currents below rated voltages

Special Purpose Applications

• Series-connected supercapacitor cell leakage balancing
• Energy harvesting systems
• Long term backup battery with supercapacitor outputs
• Zero-power voltage divider at selected voltages

Special Purpose Procurement Notes

Verify the specific suffix 'SAL' indicates the commercial temperature range (0°C to +70°C). Confirm RoHS compliance status via official documentation. Ensure static control procedures are used during handling due to ESD sensitivity. Check for industrial variants if wider temperature ranges are required.

Special Purpose Selection Notes

Select this component for applications requiring automatic balancing of two series-connected supercapacitors. Verify that the maximum supercapacitor leakage current limit aligns with the device's output current capabilities. Consider the 10.6V drain-source breakdown voltage when designing the circuit stack.

Special Purpose Part Context

This part belongs to the ALD8100xx/ALD9100xx family of SAB MOSFET arrays. While the ALD810027 handles four channels, the ALD910027 provides dual-channel functionality. Both utilize production-proven EPAD technology for precise voltage and leakage-current balancing in supercapacitor stacks.

Special Purpose Replacement Considerations

The ALD910027SALI serves as the industrial temperature range replacement for the SAL variant. Other members of the SAB family include the ALD810027 for quad-channel applications.