Datasheet LT8490 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | High Voltage, High Current Buck-Boost Battery Charge Controller with Maximum Power Point Tracking (MPPT) |
| Pages / Page | 42 / 7 — Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. … |
| File Format / Size | PDF / 707 Kb |
| Document Language | English |
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Maximum Power Point Tracking. Perturb and Observe
Model Line for this Datasheet
Text Version of Document
LT8490
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Maximum Power Point Tracking Perturb and Observe Perturb and Observe
VPANEL V PERTURB & OBSERVE 5V/DIV PANEL V 5V/DIV PANEL 5V/DIV FULL PANEL SCANS IMON_OUT 200mV/DIV IMON_OUT 100mV/DIV IMON_OUT 500mV/DIV 8490 G10 30s/DIV 8490 G11 0.5s/DIV 8490 G12 0.5s/DIV FIGURE 34 APPLICATION FIGURE 34 APPLICATION FIGURE 34 APPLICATION
Perturb and Observe Full Panel Scan Single Power Full Panel Scan—Partially Maximum Power Point Tracking Peak Shaded with Dual Power Peaks
VPANEL VPANEL 10V/DIV 10V/DIV ROTATE PANEL LOWER POWER PEAK TOWARDS THE SUN. POWER PEAK VPANEL PANEL VOLTAGE IMON_OUT MAX POWER PEAK 6V/DIV AND CURRENT ARE 500mV/DIV IMON_OUT AUTOMATICALLY 200mV/DIV ADJUSTED TO NEW MAX. IMON_IN IMON_IN IMON_OUT 500mV/DIV 200mV/DIV 100mV/DIV 8490 G13 5s/DIV 8490 G14 0.5s/DIV 8490 G15 0.5s/DIV FIGURE 34 APPLICATION FIGURE 34 APPLICATION FIGURE 34 APPLICATION
Panel Voltage in Low Power Panel Voltage in Low Power Mode Mode
IMON_OUT 10.6mV IMON_OUT 10.6mV 50mV/DIV 50mV/DIV 17.6V VPANEL 5V/DIV VPANEL 10.1V 10.4V 5V/DIV SWEN 3.3V SWEN 3.3V 5V/DIV 5V/DIV 8490 G16 40ms/DIV 8490 G17 40ms/DIV FIGURE 34 APPLICATION FIGURE 34 APPLICATION 8490fa For more information www.linear.com/LT8490 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Maximum Power Point Tracking Perturb and Observe Perturb and Observe
VPANEL V PERTURB & OBSERVE 5V/DIV PANEL V 5V/DIV PANEL 5V/DIV FULL PANEL SCANS IMON_OUT 200mV/DIV IMON_OUT 100mV/DIV IMON_OUT 500mV/DIV 8490 G10 30s/DIV 8490 G11 0.5s/DIV 8490 G12 0.5s/DIV FIGURE 34 APPLICATION FIGURE 34 APPLICATION FIGURE 34 APPLICATION
Perturb and Observe Full Panel Scan Single Power Full Panel Scan—Partially Maximum Power Point Tracking Peak Shaded with Dual Power Peaks
VPANEL VPANEL 10V/DIV 10V/DIV ROTATE PANEL LOWER POWER PEAK TOWARDS THE SUN. POWER PEAK VPANEL PANEL VOLTAGE IMON_OUT MAX POWER PEAK 6V/DIV AND CURRENT ARE 500mV/DIV IMON_OUT AUTOMATICALLY 200mV/DIV ADJUSTED TO NEW MAX. IMON_IN IMON_IN IMON_OUT 500mV/DIV 200mV/DIV 100mV/DIV 8490 G13 5s/DIV 8490 G14 0.5s/DIV 8490 G15 0.5s/DIV FIGURE 34 APPLICATION FIGURE 34 APPLICATION FIGURE 34 APPLICATION
Panel Voltage in Low Power Panel Voltage in Low Power Mode Mode
IMON_OUT 10.6mV IMON_OUT 10.6mV 50mV/DIV 50mV/DIV 17.6V VPANEL 5V/DIV VPANEL 10.1V 10.4V 5V/DIV SWEN 3.3V SWEN 3.3V 5V/DIV 5V/DIV 8490 G16 40ms/DIV 8490 G17 40ms/DIV FIGURE 34 APPLICATION FIGURE 34 APPLICATION 8490fa For more information www.linear.com/LT8490 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
