Datasheet LTC4013 (Analog Devices)
| Fabricante | Analog Devices |
| Descripción | 60V Synchronous Buck Multi-Chemistry Battery Charger |
| Páginas / Página | 38 / 1 — FEATURES. DESCRIPTION. Wide Input Voltage Range: 4.5V to 60V. Wide … |
| Formato / tamaño de archivo | PDF / 1.1 Mb |
| Idioma del documento | Inglés |
FEATURES. DESCRIPTION. Wide Input Voltage Range: 4.5V to 60V. Wide Battery Voltage Range: 2.4V to 60V
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LTC4013 60V Synchronous Buck Multi-Chemistry Battery Charger
FEATURES DESCRIPTION
n
Wide Input Voltage Range: 4.5V to 60V
The LTC®4013 is a high voltage battery charger that is well n
Wide Battery Voltage Range: 2.4V to 60V
suited for charging a wide range of lead-acid batteries n
Built-In Charge Algorithms for Lead-Acid and Li-Ion
including both vented and sealed types. It supports bulk, n
±0.5% Float Voltage Accuracy
float, absorption and equalization charging. The LTC4013 n
±5% Charge Current Accuracy
also supports termination options for Li-Ion/Polymer and n Maximum Power Point Tracking Input Control LiFePO4 batteries. n NTC Temperature Compensated Float Voltage Charging is performed with a high efficiency synchronous n Two Open Drain Status Pins buck (step-down) converter that uses external N-channel n Thermally Enhanced 28-Lead 4mm × 5mm QFN MOSFETs. Switching frequency is resistor programmable Package or can be synchronized to an external clock. Charge current is programmed with an external sense resistor.
APPLICATIONS
n The LTC4013 also includes maximum power point tracking Battery Backup for Lighting, UPS Systems, Security input-voltage regulation for limited power sources such as Cameras, Computer Control Panels n solar panels. Other features include user-programmable Portable Medical Equipment n absorption and equalization times, temperature-compen- Solar-Powered Systems n sated charge voltage and an external N-channel MOSFET Industrial Battery Charging isolation control circuit. All registered trademarks and trademarks are the property of their respective owners. All other trademarks are the property of their respective owners. Protected by U.S. Patents, including 9246383.
TYPICAL APPLICATION 15V-34V to 6 Cell Lead-Acid (12.6V) 5A Step-Down Battery Charger Efficiency and Power Loss vs Charge Current
15V-34V 97 2.5 EFFICIENCY 96 95 2.0 POWER LOSS POWER LOSS (W) INFET VIN_S V 94 IN BST DCIN 93 1.5 TG 92 ENAB SW 91 1.0 EFFICIENCY (%) BG 90 MPPT 89 VIN = 24V 0.5 V INTV BAT = 13.8V CC 88 FBOC PGND 87 0 0 1 2 3 4 5 LTC4013 SENSE CHARGE CURRENT (A) 4013 TA01a BASED ON APPLICATION ON BACK PAGE INTVCC MODE1 BAT MODE2 FB INTVCC SYNC NTC RNTC SGND RT TMR LB ITH 4013 TA01 4013fa 1
FEATURES DESCRIPTION
n
Wide Input Voltage Range: 4.5V to 60V
The LTC®4013 is a high voltage battery charger that is well n
Wide Battery Voltage Range: 2.4V to 60V
suited for charging a wide range of lead-acid batteries n
Built-In Charge Algorithms for Lead-Acid and Li-Ion
including both vented and sealed types. It supports bulk, n
±0.5% Float Voltage Accuracy
float, absorption and equalization charging. The LTC4013 n
±5% Charge Current Accuracy
also supports termination options for Li-Ion/Polymer and n Maximum Power Point Tracking Input Control LiFePO4 batteries. n NTC Temperature Compensated Float Voltage Charging is performed with a high efficiency synchronous n Two Open Drain Status Pins buck (step-down) converter that uses external N-channel n Thermally Enhanced 28-Lead 4mm × 5mm QFN MOSFETs. Switching frequency is resistor programmable Package or can be synchronized to an external clock. Charge current is programmed with an external sense resistor.
APPLICATIONS
n The LTC4013 also includes maximum power point tracking Battery Backup for Lighting, UPS Systems, Security input-voltage regulation for limited power sources such as Cameras, Computer Control Panels n solar panels. Other features include user-programmable Portable Medical Equipment n absorption and equalization times, temperature-compen- Solar-Powered Systems n sated charge voltage and an external N-channel MOSFET Industrial Battery Charging isolation control circuit. All registered trademarks and trademarks are the property of their respective owners. All other trademarks are the property of their respective owners. Protected by U.S. Patents, including 9246383.
TYPICAL APPLICATION 15V-34V to 6 Cell Lead-Acid (12.6V) 5A Step-Down Battery Charger Efficiency and Power Loss vs Charge Current
15V-34V 97 2.5 EFFICIENCY 96 95 2.0 POWER LOSS POWER LOSS (W) INFET VIN_S V 94 IN BST DCIN 93 1.5 TG 92 ENAB SW 91 1.0 EFFICIENCY (%) BG 90 MPPT 89 VIN = 24V 0.5 V INTV BAT = 13.8V CC 88 FBOC PGND 87 0 0 1 2 3 4 5 LTC4013 SENSE CHARGE CURRENT (A) 4013 TA01a BASED ON APPLICATION ON BACK PAGE INTVCC MODE1 BAT MODE2 FB INTVCC SYNC NTC RNTC SGND RT TMR LB ITH 4013 TA01 4013fa 1