How to Solve the Negative Power Supply Problem for Op Amps in Single-Supply Systems?
2026-09-05 Blog When powering op amps in single-supply systems, the inability to swing the output all the way to 0V is a common pain point. This article analyzes the root cause of this problem and compares mainstream negative rail generation solutions—including charge pumps and negative LDOs—to help engineers make better design choices.

