placeholder · competitor · indiamart.comBuck Boost Inductors
Buck-boost inductors are the energy-storage chokes at the heart of buck, boost and buck-boost switching power-conversion stages, where they store energy during the switch on-time and release it during the off-time to step the output voltage down or up.
Overview
Buck-boost inductors are the energy-storage chokes at the heart of buck, boost and buck-boost switching power-conversion stages, where they store energy during the switch on-time and release it during the off-time to step the output voltage down or up. The inductance value sets the current ripple and the boundary between continuous and discontinuous conduction, while the core and conductor must carry the peak current without saturating. ACE builds these as custom wound inductors to a specified inductance, RMS/DC current and saturation current for rectifiers, battery chargers, SMPS, converters and DC-DC stages, choosing core material (powder/ferrite/gapped silicon steel), gap and winding to control ripple, core loss and temperature rise. Buyers choose ACE for application-matched magnetics built to their exact electrical envelope rather than an off-the-shelf catalog part.
Specifications
| Rated inductance | specified per design (typ. µH to tens of mH) |
|---|---|
| Rated current (RMS / DC) and peak/saturation current — Isat sized above peak ripple current (typical margin 1.2–1.5x) | |
| Current-ripple target | typically 30–80% of average inductor current |
| Operating / switching frequency | line-frequency to tens/hundreds of kHz depending on converter |
| Core type | gapped silicon-steel, powder, or ferrite; air-gap set for required energy storage |
| Voltage class / dielectric withstand and insulation class (typ. up to Class H) | |
| DC resistance (DCR) / copper loss and core loss budget; temperature rise | |
| Phases | single-phase (DC link) per application |
| Cooling | natural air (dry type); Mounting: chassis / panel; Enclosure: open (IP00) or as specified |
| Applicable practice | IEC 60076-6 (reactors), IS/IEC magnetics standards |
Applications
- Switch-mode power supplies (SMPS) and DC-DC converters
- Battery chargers and PWM battery chargers
- AC-DC rectifiers and converter front-ends
- Voltage step-up / step-down (boost / buck) regulator stages
- Power-conditioning and power-electronics equipment
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