Ideal diode controllers, also called O-Ring controllers, are devices designed to control an external pass transistor (usually a FET) in a manner that allows current flow in only one direction, similar to a rectifier diode but with significantly lower conduction loss. Among other applications, they are commonly used for providing reverse-flow protection in power supplies designed to be connected in parallel for sake of redundancy or increased output current capability.
Part # | Manufacturer | Description | Availability | Pricing | Quantity |
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![]() TPS2121RUXROR Controllers, Ideal Diodes | Texas Instruments | PWR MGMT BATTERY MGMT | 26387 | 1+: $1.06978 10+: $0.90252 30+: $0.80978 100+: $0.70546 500+: $0.64418 1000+: $0.62266 | |
![]() TPS2121RUXTOR Controllers, Ideal Diodes | Texas Instruments | PWR MGMT BATTERY MGMT | 18404 | 1+: $0.74189 10+: $0.72367 30+: $0.71208 | |
![]() MAX8535AEUAOR Controllers, Ideal Diodes | Analog Devices Inc./Maxim Integrated | MAX8535 ORING MOSFET CONTROLLER | 6406 | 1+: $2.19000 | |
![]() MAX8555AEUBOR Controllers, Ideal Diodes | Analog Devices Inc./Maxim Integrated | MAX8555 ORING MOSFET CONTROLLER | 1216 | 1+: $2.04000 | |
![]() MAX8585EUAOR Controllers, Ideal Diodes | Analog Devices Inc./Maxim Integrated | MAX8585 ORING MOSFET CONTROLLER | 14849 | 1+: $2.44000 | |
![]() MAX5944ESEOR Controllers, Ideal Diodes | Analog Devices Inc./Maxim Integrated | DUAL FIREWIRE CURRENT LIMITER | 378 | 1+: $3.19000 | |
![]() MAX5943AEEEOR Controllers, Ideal Diodes | Analog Devices Inc./Maxim Integrated | MAX5943 FIREWIRE CURRENT LIMITER | 3541 | 1+: $2.16000 | |
![]() XXT6500HVA-T2OR Controllers, Ideal Diodes | onsemi | POWER SELECTOR SWITCH | 112000 | 1+: $0.55000 | |
![]() MP6919GS-POR Controllers, Ideal Diodes | Monolithic Power Systems | CCM/DCM FLYBACK IDEAL DIODE WITH | 521 | 1+: $2.16544 10+: $1.85416 100+: $1.74589 1000+: $1.67500 | |
LTC4416IMS-1OR Controllers, Ideal Diodes | Analog Devices Inc. | IC OR CTRLR SRC SELECT 10MSOP | 462 | - | |
LTC4359HMS8OR Controllers, Ideal Diodes | Analog Devices Inc. | IC OR CTRLR N+1 8MSOP | 10008 | 13+: $4.48800 27+: $4.19850 41+: $4.05370 59+: $3.76420 76+: $3.61940 95+: $3.47470 | |
LTC4359HMS8#TROR Controllers, Ideal Diodes | Analog Devices Inc. | IC OR CTRLR N+1 8MSOP | In Stock | - | |
MAX16171ATA/VY+OR Controllers, Ideal Diodes | Analog Devices Inc./Maxim Integrated | IDEAL DIODE CONTROLLER WITH REVE | In Stock | - | |
![]() FPF3040UCXOR Controllers, Ideal Diodes | Fairchild (onsemi) | INTELLIMAX 18 V-RATED DUAL INPUT | 717 | 1+: $0.59000 | |
![]() MAX8555ETB+OR Controllers, Ideal Diodes | Analog Devices Inc./Maxim Integrated | MAX8555 LOW-COST, HIGH-RELIABILI | 1735 | 1+: $2.18000 | |
LTC4372HDD#TRPBFOR Controllers, Ideal Diodes | Analog Devices Inc. | LOW ICC IDEAL DIODE CONTROLLER W | 2417 | 1+: $5.87216 10+: $5.35400 100+: $4.66317 1000+: $4.49046 | |
LTC4359HMS8#2NAOR Controllers, Ideal Diodes | Analog Devices Inc. | IC OR CTRLR N+1 8MSOP | In Stock | - | |
![]() DZDH0401DW-7OR Controllers, Ideal Diodes | Diodes Incorporated | IC OR CTRLR N+1 SOT363 | 13282 | 5+: $0.12066 50+: $0.09651 150+: $0.08444 500+: $0.07538 3000+: $0.06814 | |
![]() LTC4412HVIS6#WTRPBFOR Controllers, Ideal Diodes | Analog Devices Inc. | 36V, L LOSS PWRPATH CNTR IN SOT | In Stock | 1+: $3.45319 | |
![]() LTC4412HS6#WTRPBFOR Controllers, Ideal Diodes | Analog Devices Inc. | L LOSS PWRPATH CNTR IN SOT | In Stock | 1+: $4.33290 | |
![]() LM74700QDDFRQ1OR Controllers, Ideal Diodes | Texas Instruments | 3.2-V TO 65-V, 80-UA IQ AUTOMOTI | 26548 | 1+: $6.49429 10+: $5.69660 100+: $5.21069 | |
![]() LM5050PMK-2/NOPBOR Controllers, Ideal Diodes | Texas Instruments | PROTOTYPE | In Stock | - | |
![]() PLM66100QDCKRQ1OR Controllers, Ideal Diodes | Texas Instruments | AUTOMOTIVE 1.5-V TO 5.5-V, 1.5-A | In Stock | - | |
![]() LM5050QMK-1/NOPBOR Controllers, Ideal Diodes | Texas Instruments | PROTOTYPE | In Stock | - | |
![]() LM5050QMKX-1/NOPBOR Controllers, Ideal Diodes | Texas Instruments | PROTOTYPE | In Stock | - |