Battery Charger for 3 Cells of Li-Ion, Li-Pol, NiCd, NiMH battery, 7.5V input, 2 A charge, MSOP-12

LT3652EMSE#PBF - Battery Charger for 3 Cells of Li-Ion, Li-Pol, NiCd, NiMH battery, 7.5V input, 2 A charge, MSOP-12

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Product Overview

The LT3652EMSE#PBF is a complete monolithic step-down Battery Charger IC, operates over a 4.95 to 32V input voltage range. It provides a constant-current/constant-voltage charge characteristic, with maximum charge current externally programmable up to 2A. The charger employs a 3.3V float voltage feedback reference, so any desired battery float voltage up to 14.4V can be programmed with a resistor divider. It employs an input voltage regulation loop, which reduces charge current if the input voltage falls below a programmed level, set with a resistor divider. When the LT3652EMSE#PBF is powered by a solar panel, the input regulation loop is used to maintain the panel at peak output power.
  • Input Supply Voltage Regulation Loop for Peak Power Tracking in (MPPT) Solar Applications
  • 4.95V to 32V (40V Abs Maximum) Wide Input Voltage Range
  • Programmable Charge Rate up to 2A
  • User Selectable Termination, C/10 or On-Board Termination Timer
  • Resistor programmable float voltage up to 14.4V accommodate Li-ion/Polymer LiFePO4 & SLA chemistries
  • No VIN Blocking Diode Required for Battery Voltages <=4.2V
  • 1MHz Fixed Frequency
  • 0.5% Float Voltage Reference Accuracy
  • 5% Charge Current Accuracy
  • 2.5% C/10 Detection Accuracy
  • Binary-coded Open-collector Status Pins
  • Lead-free Finish


Alternative Energy, Communications & Networking, Power Management, Portable Devices, Automotive

Product Information

Lead Acid, LiFePO4, Li-Ion, Li-Pol, NiCd, NiMH
MSL 1 - Unlimited
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