LT3650IDD-8.4#PBF - 

Battery Charger for 2 Cells of Li-Ion, Li-Pol battery, 4.75V input, 8.4V / 2A charge, DFN-12

LT3650IDD-8.4#PBF - Battery Charger for 2 Cells of Li-Ion, Li-Pol battery, 4.75V input, 8.4V / 2A charge, DFN-12

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Product Overview

The LT3650IDD-8.4#PBF is a complete monolithic 2-cell Li-ion/polymer Battery Charger provides a constant-current/constant-voltage charge characteristic, with maximum charge current externally programmable up to 2A, set using an external current sense resistor. A precondition feature trickle-charges a low voltage battery and bad-battery detection provides a signal and suspends charging if a battery does not respond to preconditioning. The LT3650 can be configured to terminate charging when charge current falls to C/10, or one-tenth the programmed maximum current. Once charging is terminated, the LT3650 enters a low current (85µA) standby mode. An auto-restart feature starts a new charging cycle if the battery voltage drops 2.5% from the float voltage, or if a new battery is inserted into a charging system. The LT3650 contains user-programmable internal safety timer.
  • Dynamic charge rate programming/soft-start pin
  • Programmable input current limit
  • 1MHz fixed frequency
  • Average current mode control
  • 0.5% Float voltage accuracy
  • 5% Charge current accuracy
  • 2.5% C/10 Detection accuracy
  • NTC resistor temperature monitor
  • Auto-recharge at 97.5% Float voltage
  • Auto-precondition at <70% Float voltage
  • Bad-battery detection with auto-reset
  • Binary coded open-collector status pins


Industrial, Automotive, Computers & Computer Peripherals, Power Management

Product Information

Li-Ion, Li-Pol
MSL 1 - Unlimited
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