ALD910016SAL

Special Purpose Overview

The ALD910016SAL is a dual-channel N-Channel Supercapacitor Auto Balancing (SAB) MOSFET array manufactured by Advanced Linear Devices. It operates within a voltage range of 0°C to +70°C and utilizes an 8-pin SOIC package. The device features a typical gate threshold voltage of 1.60V at a drain-source current of 1µA, with a maximum Drain-Source breakdown voltage of 10.6V. Continuous operating current is rated at 80mA, while power dissipation reaches 500mW. Input capacitance is typically 30pF, and switching delays are approximately 10ns for both turn-on and turn-off states.

Special Purpose Feature Summary

• Precision factory-trimmed gate threshold voltage enables accurate automatic leakage-current balancing across series-connected supercapacitors.
• Exponential output current response to input voltage variations allows effective regulation without additional external components.
• Near-zero leakage currents ensure minimal power dissipation when connected across supercapacitors below their rated voltage limits.

Special Purpose Applications

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

Special Purpose Procurement Notes

Verify the specific suffix 'L' indicates lead-free compliance with RoHS standards before procurement. Confirm that the commercial temperature grade (0°C to +70°C) aligns with your operational environment requirements. Ensure static control procedures are utilized during handling due to ESD sensitivity. Cross-reference the 8-pin SOIC physical dimensions against your PCB footprint specifications to guarantee mechanical compatibility.

Special Purpose Selection Notes

Select this component specifically for applications requiring passive balancing of two series-connected supercapacitors. The fixed 1.60V threshold voltage dictates the balancing point; verify this matches your capacitor stack's maximum allowable voltage. Consider the 10.6V breakdown limit when designing high-voltage stacks. For industrial environments requiring operation down to -40°C, identify the appropriate industrial-grade variant instead of this commercial version.

Special Purpose Part Context

This device belongs to the SAB MOSFET family designed for supercapacitor management. It complements the quad-channel ALD810016, offering a dual-channel solution for smaller stacks. Utilizing EPAD technology, it provides a compact alternative to discrete resistor networks, simplifying circuit design while maintaining precise voltage distribution across energy storage elements in series configurations.

Special Purpose Replacement Considerations

The ALD910016SALI serves as the industrial temperature grade replacement for this commercial part. No direct cross-brand substitutes are documented in official sources.

Special Purpose FAQ

How does the ALD910016SAL balance supercapacitor voltages?

It automatically regulates leakage currents by connecting across each supercapacitor. The device exhibits an exponential current response to voltage changes, shunting excess charge from cells with higher voltages to maintain equilibrium.

What is the significance of the 1.60V gate threshold voltage?

The 1.60V threshold represents the precise voltage level at which the device begins conducting significant current (1µA). This sets the reference point for balancing the supercapacitor stack, ensuring no single cell exceeds its safe operating voltage.

Can this device be used for parallel supercapacitor balancing?

Yes, the datasheet indicates it can balance series and/or parallel-connected supercapacitors, providing flexibility in various energy storage array configurations.