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LTC4013 Datasheet(PDF) 1 Page - Linear Technology |
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LTC4013 Datasheet(HTML) 1 Page - Linear Technology |
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1 / 38 page  LTC4013 1 4013fa TYPICAL APPLICATION FEATURES DESCRIPTION 60V Synchronous Buck Multi-Chemistry Battery Charger The LTC®4013 is a high voltage battery charger that is well suited for charging a wide range of lead-acid batteries including both vented and sealed types. It supports bulk, float, absorption and equalization charging. The LTC4013 also supports termination options for Li-Ion/Polymer and LiFePO4 batteries. Charging is performed with a high efficiency synchronous buck (step-down) converter that uses external N-channel MOSFETs. Switching frequency is resistor programmable orcanbesynchronizedtoanexternalclock. Chargecurrent is programmed with an external sense resistor. TheLTC4013alsoincludesmaximumpowerpointtracking input-voltageregulationforlimitedpowersourcessuchas solar panels. Other features include user-programmable absorption and equalization times, temperature-compen- sated charge voltage and an external N-channel MOSFET isolation control circuit. 15V-34V to 6 Cell Lead-Acid (12.6V) 5A Step-Down Battery Charger Efficiency and Power Loss vs Charge Current APPLICATIONS n Wide Input Voltage Range: 4.5V to 60V n Wide Battery Voltage Range: 2.4V to 60V n Built-In Charge Algorithms for Lead-Acid and Li-Ion n ±0.5% Float Voltage Accuracy n ±5% Charge Current Accuracy n Maximum Power Point Tracking Input Control n NTC Temperature Compensated Float Voltage n Two Open Drain Status Pins n Thermally Enhanced 28-Lead 4mm × 5mm QFN Package n Battery Backup for Lighting, UPS Systems, Security Cameras, Computer Control Panels n Portable Medical Equipment n Solar-Powered Systems n Industrial Battery Charging 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. INTVCC INTVCC 15V-34V DCIN ENAB INTVCC SYNC SGND SENSE BAT ITH RT PGND FB TG SW BST BG VIN FBOC MPPT INFET LB NTC MODE1 MODE2 VIN_S TMR LTC4013 RNTC 4013 TA01 VIN = 24V VBAT = 13.8V EFFICIENCY POWER LOSS CHARGE CURRENT (A) BASED ON APPLICATION ON BACK PAGE 0 1 2 3 4 5 87 88 89 90 91 92 93 94 95 96 97 0 0.5 1.0 1.5 2.0 2.5 4013 TA01a |
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