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Overview
| Topology | Buck-Boost Converter |
| Input voltage | 7.5-36 V |
| Output 1 | 4.45 V / 2 A |
| IC revision | 3 |
Description
Demonstration circuit 2558A is a high voltage switchingbuck regulator, Li-Ion cell charger and power backupmanager. It is based on the LTC4091 and provides the followingfunctions: 2A buck regulator with 7.5V-36V (60Vabsolute max) input range and with output voltage trackingcell voltage, full-featured cell charger with selectable4.1V or 4.2V maximum charge voltage, and a power path manager for the cell. Output voltage is strictly limited to4.45V. Temperature protection is optional with an externalNTC temperature sensor.
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | Pins | Type | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | PCB/Cable/Panel | Modularity | Wire Section | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 525 nm, Green | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]525 nm | Emitting ColorGreen | Peak Wavelength [typ.]515 nm | Luminous Intensity [typ.]450 mcd | Forward Voltage [typ.]3.2 V | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]140 ° | – | – | MountSMT | Length3.2 mm | Height0.68 mm | – | – | Operating Temperature -40 °C up to +85 °C | – | – | – | ||||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Red | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]625 nm | Emitting ColorRed | Peak Wavelength [typ.]630 nm | Luminous Intensity [typ.]150 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | MountSMT | Length3.2 mm | Height0.68 mm | – | – | Operating Temperature -40 °C up to +85 °C | – | – | – | ||||
 | WR-TBL Series 2141 - 3.50 mm Horiz. Entry Modular, –, – | Simulation– | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 2141 - 3.50 mm Horiz. Entry Modular | – | – | – | – | – | – | – | Pins2 | TypeHorizontal | MountTHT | Length7.05 mm | – | Rated Current10 A | Working Voltage300 V (AC) | Operating Temperature -40 °C up to +105 °C | PCB/Cable/PanelPCB | ModularityYes | Wire Section 24 to 16 (AWG) 0.2 to 1 (mm²) | ||
 | WR-TBL Series 322 - 3.81 mm Horizontal PCB Header, –, – | Simulation– | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 322 - 3.81 mm Horizontal PCB Header | – | – | – | – | – | – | – | Pins2 | TypePCB Header | MountTHT | Length8.81 mm | – | Rated Current10.5 A | Working Voltage300 V (AC) | Operating Temperature -40 °C up to +105 °C | PCB/Cable/PanelCable | ModularityNo | – | ||
 | WR-TBL Series 361 - 3.81 mm Vertical, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 361 - 3.81 mm Vertical | – | – | – | – | – | – | – | Pins2 | TypeVertical | MountCable | Length7.62 mm | – | Rated Current10.5 A | Working Voltage300 V (AC) | Operating Temperature -40 °C up to +105 °C | PCB/Cable/PanelCable | ModularityNo | Wire Section 16 to 26 (AWG) 1.31 to 0.129 (mm²) | |||
 | WR-PHD Jumper, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | – | – | – | – | – | – | Pins2 | – | – | – | – | Rated Current3 A | Working Voltage200 V (AC) | Operating Temperature -25 °C up to +105 °C | – | – | – | |||
 | WR-PHD Pin Header, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | – | – | – | – | – | – | – | Pins3 | TypeStraight | MountTHT | Length6 mm | – | Rated Current2 A | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C | – | – | – |