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LTC1732EMS-4#PBF

IC CTRLR BATT CHRG LI-ION 10MSOP

Product Category: Integrated Circuits (IC Chips)
Mfr. Part #
LTC1732EMS-4#PBF
Manufacturer: Analog Devices / Linear Technology
Package: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Lead Free Status /RoHS Status:
Data Sheet: LTC1732EMS-4#PBF Datasheet
Inventory: In Stock

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Mfr. Part #: LTC1732EMS-4#PBF

Specifications
Product Details

Specifications

Manufacturer Analog Devices / Linear Technology

Product Category Battery Charger ICs

Series -

Packaging Tube Alternate Packaging

Package-Case 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)

Operating-Temperature -40Â°C ~ 85Â°C (TA)

Battery-Chemistry Multi-Chemistry

Number-of-Cells 1 Cell

Interface -

Supplier-Device-Package 10-MSOP

Fault-Protection -

Current-Charging Constant - Programmable

Programmable-Features Timer

Electric current collectors 585mA

Battery pack 4.2V

Supply Voltage 12V

Product Details

DESCRIPTION

The LTCÂ®1732 is a complete constant-current/constant-voltage linear charger controller for lithium-ion (Li-Ion) batteries. Nickel-cadmium (NiCd) and nickel metal-hydride (NiMH) batteries can also be charged with constant current using external termination. Charge current can be programmed with 7% (max) accuracy using external sense and program resistors. An internal resistor divider and precision reference set the final float voltage with 1% accuracy. The SEL pin allows users to charge either 4.1V or 4.2V cells.

FEATURES

â– Complete Linear Charger Controller for 1-Cell
Lithium-Ion Batteries
â– Preset Charge Voltage with 1% Accuracy
â– Programmable Charge Current
â– C/10 Charge Current Detection Output
â– Programmable Charge Termination Timer
â– Small, Thin 10-Pin MSOP Package
â– Select Pin Charges 4.1V or 4.2V Cells (LTC1732-4)
â– Input Supply (Wall Adapter) Detection Output
â– 4.5V to 12V Input Voltage Range
â– Automatic Sleep Mode When Input Supply
is Removed (Only 7ÂµA Battery Drain)
â– Automatic Trickle Charge of Low Voltage Cells
â– Programmable for Constant-Current-Only Mode
â– Battery Insertion Detect
â– 4.05V Recharge Threshold for 4.2V Cells
(LTC1732-4.2)
â– 3.8V Recharge Threshold for 4.1V or 4.2V Cells
(LTC1732-4)

APPLICATIONS

â– Cellular Phones
â– Handheld Computers
â– Charging Docks and Cradles

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Mfr. Part #: LTC1732EMS-4#PBF