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Overview
| Topology | Buck Converter |
| Input voltage | 21.5-35 V |
| Output 1 | 16 V |
Description
Demonstration circuit 2374B is a multi-chemistry battery charger with maximum power point tracking (MPPT) featuring the LTC®4013. The LTC4013 has 2 stage CC/CV charge cycles, 3 stage and 4 stage lead acid and Li-Ion battery algorithms. The DC2374B is set up to operate from a 21.5V to 35V supply or from a solar panel and charges a six cell lead acid battery at 5A. There are optional input and output capacitors plus large inductor pads and parallel top and bottom FET pads to allow high power charging. The LTC4013 is a 60V controller which makes it suitable for large battery stacks with up to a 60V supply or solar panel input. An MPPT burst mode feature allows the device to efficiently charge in low light levels. Since the LTC4013is a controller, the power train can be sized from 1A to over 10A of charge current. The LTC4013 also has an NTC temperature compensated float voltage to help increase the battery life. The operating frequency, charge voltage, low battery (LB) voltage setting and timing are configurable with external resistors and a capacitor. The different charging algorithms are set by two tri-state mode pins and the TIMER pin as shown in Table 1.Refer to the LTC4013 data sheet for more details on the electrical and timing specifications.
Typical applications
- Battery Backup for Lighting, UPS Systems, Security Cameras, Computer Control Panels, Solar-Powered Systems, Industrial Battery Charging
- Portable Medical Equipment
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | RDC max. (mΩ) | LR (µH) | RDC typ. (mΩ) | Mount | Pins | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7443550600 | SPEC | 8 files | WE-HCI SMT Flat Wire High Current Inductor | 6 | 11.2 | 5 | 11.5 | 13.5 | 22 | WE-PERM | 15.07 | 4.7 | – | SMT | 2 | – | 4.7 | – | – | – | – | ||
 | 7443340680 | SPEC | 8 files | WE-HCC SMT High Current Cube Inductor | 6.8 | 6.2 | 7.4 | 8.3 | – | 37 | Ferrite | 24 | 6.5 | 23.3 | SMT | 2 | – | 7.2 | – | – | 5.5 | – | ||
 | 74439358068 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 8 files | WE-XHMI SMT Power Inductor | 6.8 | 10.55 | 8.5 | 17.6 | 13 | 22 | – | 14.85 | – | – | SMT | 2 | – | 8 | – | – | 7.2 | – | ||
 | 60800213421 | SPEC | – | 3 files | WR-PHD 2.00 mm Jumper with Test Point | – | – | – | – | – | – | – | – | – | – | – | 2 | – | – | Jumper | – | 3 | Bag | |
 | 62000311121 | SPEC | – | 6 files | WR-PHD 2.00 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | THT | 3 | Single | – | Pin Header | Straight | 2 | Bag | |
| 62000411121 | SPEC | – | 6 files | WR-PHD 2.00 mm THT Pin Header | – | – | – | – | – | – | – | – | – | – | THT | 4 | Single | – | Pin Header | Straight | 2 | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7443550600 | SPEC | |
| 7443340680 | SPEC | |
| 74439358068 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | |
| 60800213421 | SPEC | – |
| 62000311121 | SPEC | – |
| 62000411121 | SPEC | – |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | RDC max. (mΩ) | LR (µH) | RDC typ. (mΩ) | Mount | Pins | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
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