Datasheet LT8490 (Analog Devices) - 42
| Manufacturer | Analog Devices |
| Description | High Voltage, High Current Buck-Boost Battery Charge Controller with Maximum Power Point Tracking (MPPT) |
| Pages / Page | 42 / 42 — Typical applicaTion. 14.2V Flooded Lead-Acid Battery Charger. LT8490. … |
| File Format / Size | PDF / 707 Kb |
| Document Language | English |
Typical applicaTion. 14.2V Flooded Lead-Acid Battery Charger. LT8490. relaTeD parTs PART NUMBER. DESCRIPTION. COMMENTS
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LT8490
Typical applicaTion 14.2V Flooded Lead-Acid Battery Charger
L1 ½W 1W 7mΩ 15µH M1 5mΩ M4 VBAT + CIN2 CIN3 COUT3 C 2.2µF OUT2 2.2µF SOLAR M2 M3 10µF 10µF PANEL ×2 ×2 ×2 ×2 COUT1 VOC < 53V 150µF GATEVCC´ 10Ω C GATEV IN1 CC´ – 33µF 10Ω 10Ω DB1 ×3 3.3nF 10Ω 5mΩ DB2 COUT4 220nF 220nF 470nF 1µF 3.3nF 2Ω 2Ω 470nF CIN4 TG1 BOOST1 SW1 BG1 CSP CSN GND BG2 SW2 BOOST2 TG2 2.2µF CSNIN EXTVCC CSPIN V 4Ω IN CSPOUT GATEV 196k 110k CC´ GATEVCC CSNOUT 274k INTVCC FBOR 4.7µF FBOUT ×2 8.06k 35.7k MODE FBOW LOAD 26.1k 0.082µF 124k SHDN 23.2k VINR 93.1k TEMPSENSE FBIR AVDD FBIN
LT8490
FBIW 1µF 11.5k 3.24k 5.49k 1µF 1.05k V + DD FLOODED 249k LDO33 LEAD RT SRVO_IIN – ACID SS SRVO_FBIN IIR SRVO_FBOUT 10k IMON_IN 32.4k SRVO_IOUT AT 25°C ß = 3380 IOW 4.7µF NTC 3.01k 21k ECON IOR IMON_OUT SWEN 100nF 100nF SWENO VC SYNC CLKDET CLKOUT CHARGECFG2 STATUS FAULT CHARGECFG1 97.6k 8.2nF 8.45k 53.6k AVDD 1.3k 4.7nF AV 13k DD 200k 3.32k 10nF 68nF DS DF 90.9k 470pF 549Ω 549Ω 8490 TA03 14.27V STAGE 2 (ABSORPTION) CHARGE VOLTAGE (VS2) AT 25°C M1, M2: INFINEON BSC028N06NS 13.87V STAGE 3 (FLOAT) CHARGE VOLTAGE (VS3) AT 25°C M3, M4: INFINEON BSC042N03LSG 10A CHARGING CURRENT LIMIT L1: 15µH COILCRAFT SER2915H-153KL 2.5A TRICKLE CURRENT LIMIT DB1, DB2: CENTRAL SEMI CMMR1U-02 7.2A INPUT CURRENT LIMIT CIN1: 33µF, 63V, SUNCON 63HVH33M 53V MAXIMUM PANEL VOLTAGE (VMAX) CIN2, CIN3, CIN4: 2.2µF, 100V, AVX 12101C225KAT2A NO TIMER LIMITS COUT1: 150µF, 35V NICHICON UPJ151MPD6TD TEMPERATURE COMPENSATION ENABLED COUT2, COUT3: 10µF, 35V, MURATA GRM32ER7YA106KA12 –20°C TO 50°C BATTERY TEMPERATURE RANGE COUT4: 1µF, 25V AVX 12063C105KAT2A 175kHz SWITCHING FREQUENCY EXAMPLE SOLAR PANEL: SHARP NT-175UC1 175W
relaTeD parTs PART NUMBER DESCRIPTION COMMENTS
LT3652/LT3652HV Power Tracking 2A Battery Charger for Solar Power VIN Range = 4.95V to 32V (LT3652), 4.95V to 34V (HV), MPPC LTC4000-1 High Voltage, High Current Controller for Battery Charger with MPPC VIN and VOUT Range = 3V to 60V, MPPC LTC4020 55V VIN/VOUT Buck-Boost Multi-Chemistry Battery Charging Controller Li-Ion and Lead-Acid Algorithms, MPPC 8490fa 42 Linear Technology Corporation LT 1115 REV A • PRINTED IN USA 1630 McCarthy Blvd., Milpitas, CA 95 F0o3r 5m-o 7 r4e in 17 formation www.linear.com/LT8490 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LT8490 LINEAR TECHNOLOGY CORPORATION 2014 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 applicaTion 14.2V Flooded Lead-Acid Battery Charger
L1 ½W 1W 7mΩ 15µH M1 5mΩ M4 VBAT + CIN2 CIN3 COUT3 C 2.2µF OUT2 2.2µF SOLAR M2 M3 10µF 10µF PANEL ×2 ×2 ×2 ×2 COUT1 VOC < 53V 150µF GATEVCC´ 10Ω C GATEV IN1 CC´ – 33µF 10Ω 10Ω DB1 ×3 3.3nF 10Ω 5mΩ DB2 COUT4 220nF 220nF 470nF 1µF 3.3nF 2Ω 2Ω 470nF CIN4 TG1 BOOST1 SW1 BG1 CSP CSN GND BG2 SW2 BOOST2 TG2 2.2µF CSNIN EXTVCC CSPIN V 4Ω IN CSPOUT GATEV 196k 110k CC´ GATEVCC CSNOUT 274k INTVCC FBOR 4.7µF FBOUT ×2 8.06k 35.7k MODE FBOW LOAD 26.1k 0.082µF 124k SHDN 23.2k VINR 93.1k TEMPSENSE FBIR AVDD FBIN
LT8490
FBIW 1µF 11.5k 3.24k 5.49k 1µF 1.05k V + DD FLOODED 249k LDO33 LEAD RT SRVO_IIN – ACID SS SRVO_FBIN IIR SRVO_FBOUT 10k IMON_IN 32.4k SRVO_IOUT AT 25°C ß = 3380 IOW 4.7µF NTC 3.01k 21k ECON IOR IMON_OUT SWEN 100nF 100nF SWENO VC SYNC CLKDET CLKOUT CHARGECFG2 STATUS FAULT CHARGECFG1 97.6k 8.2nF 8.45k 53.6k AVDD 1.3k 4.7nF AV 13k DD 200k 3.32k 10nF 68nF DS DF 90.9k 470pF 549Ω 549Ω 8490 TA03 14.27V STAGE 2 (ABSORPTION) CHARGE VOLTAGE (VS2) AT 25°C M1, M2: INFINEON BSC028N06NS 13.87V STAGE 3 (FLOAT) CHARGE VOLTAGE (VS3) AT 25°C M3, M4: INFINEON BSC042N03LSG 10A CHARGING CURRENT LIMIT L1: 15µH COILCRAFT SER2915H-153KL 2.5A TRICKLE CURRENT LIMIT DB1, DB2: CENTRAL SEMI CMMR1U-02 7.2A INPUT CURRENT LIMIT CIN1: 33µF, 63V, SUNCON 63HVH33M 53V MAXIMUM PANEL VOLTAGE (VMAX) CIN2, CIN3, CIN4: 2.2µF, 100V, AVX 12101C225KAT2A NO TIMER LIMITS COUT1: 150µF, 35V NICHICON UPJ151MPD6TD TEMPERATURE COMPENSATION ENABLED COUT2, COUT3: 10µF, 35V, MURATA GRM32ER7YA106KA12 –20°C TO 50°C BATTERY TEMPERATURE RANGE COUT4: 1µF, 25V AVX 12063C105KAT2A 175kHz SWITCHING FREQUENCY EXAMPLE SOLAR PANEL: SHARP NT-175UC1 175W
relaTeD parTs PART NUMBER DESCRIPTION COMMENTS
LT3652/LT3652HV Power Tracking 2A Battery Charger for Solar Power VIN Range = 4.95V to 32V (LT3652), 4.95V to 34V (HV), MPPC LTC4000-1 High Voltage, High Current Controller for Battery Charger with MPPC VIN and VOUT Range = 3V to 60V, MPPC LTC4020 55V VIN/VOUT Buck-Boost Multi-Chemistry Battery Charging Controller Li-Ion and Lead-Acid Algorithms, MPPC 8490fa 42 Linear Technology Corporation LT 1115 REV A • PRINTED IN USA 1630 McCarthy Blvd., Milpitas, CA 95 F0o3r 5m-o 7 r4e in 17 formation www.linear.com/LT8490 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LT8490 LINEAR TECHNOLOGY CORPORATION 2014 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