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Texas Instruments LM25101 | Demoboard TIDA-00121
Solar Street Light with Integrated MPPT Charger Reference Design
Overview
| Topology | Other Topology |
| Input voltage | 15-22 V |
| Output 1 | 0.7 A |
Description
This design is a 12A Maximum Power Point Tracking (MPPT) solar charge controller with a 700mA LED driver. It is targeted for low power solar charger and LED driver solutions such as solar street lights. This design is capable of charging 12V batteries with up to 10A output current from 12V panels. However, it can be easily adapted to 24V systems by just changing the MOSFETs to 60V rated parts. Also, the design can drive up to 15 LEDs in series with 700mA of current. It is possible to adapt the design for LED currents up to 1.1A with minimum change in hardware. TI provides a complete solar inverting system for low power loads. Additionally this design takes real world considerations in to account, such as reverse battery protection, built-in battery charge profile for 12V Pb-acid batteries, and a highly efficient design. Together these provide new market entrants and faster time to market for their design.
Features
Remark: BOM and Schematics are added with main pdf.
High efficiency: >95% for MPPT charger and >90% for LED driverSupports 15VDC - 22VDC Input Voltage RangeBuilt in charge profile for 12V Pb-acid batteryFlexible design adapts to 24V panels by only changing to 60V MOSFETsCapable of driving upto 15 LEDs with 700mA currentBoard Form Factor: 100 mm x 45 mm x 32 mm
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | IR,40K (A) | Size | Version | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (mΩ) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7443556680 | 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 | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 6.8 | 22 | 13 | 27 | 4.1 | 24 | WE-PERM 2 | – | 1890 | SMT | – | – | – | – | 4.428 | – | ||
 | 7447709470 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 47 | 4.9 | 4.5 | 5.5 | – | 6.5 | – | 3.8 | 1210 | Standard | – | – | – | – | 60 | – | ||
 | 7427920415 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | – | – | 0805 | SMT | 600 | 660 | 150 MHz | 1500 | 300 | Wide Band |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7443556680 | 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. | |
| 7447709470 | SPEC | |
| 7427920415 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | IR,40K (A) | Size | Version | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (mΩ) | Type | Samples |
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