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LTC1729

Features: Trickle Charge Preconditioning If Cell <2.7V Charging Enabled When 0°C < T < 50°C Built-In Termination: 3-Hour Time-Out C/10 Detection with Status IndicatorAutomatic Charger Present Detection Automatic Battery Present Detection 1- or 2-Cell, 4.1V/Cell or 4.2V/Cell Options Preci...

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SeekIC No. : 004401845 Detail

LTC1729: Features: Trickle Charge Preconditioning If Cell <2.7V Charging Enabled When 0°C < T < 50°C Built-In Termination: 3-Hour Time-Out C/10 Detection with Status IndicatorAutomatic Charger Pres...

LTC1729 Data Sheet

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Part Number:
LTC1729
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/7/15

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Product Details

Description



Features:

Trickle Charge Preconditioning If Cell <2.7V
Charging Enabled When 0°C < T < 50°C
Built-In Termination: 3-Hour Time-Out
C/10 Detection with Status Indicator
Automatic Charger Present Detection
Automatic Battery Present Detection
1- or 2-Cell, 4.1V/Cell or 4.2V/Cell Options
Precision Internal 0.2% Voltage Feedback Divider
Compatible with LT1505/LT1510/LT1511/LT1512/LT1513/LT1769
Small Footprint/Low Profile


Application

Cellular Phones
PDAs
Cradle Chargers
Camcorders


Pinout

Connection Diagram


Specifications

VCC .........................................................................  30V
SENSE, VBAT, NTC .....................................  0.3V to 15V
VC .............................................................  0.3V to 15V
OVP ............................................................  0.3V to 5V
STATUS ....................................................  0.3V to 30V
Operating Temperature Range ................  0°C to 70°C
Storage Temperature Range ...........  65°C to 150°C
Lead Temperature (Soldering, 10 sec) ................ 300°C


Description

The LTC®1729 series is a family of smart  terminationcontrollers for lithium-ion battery chargers. These ICsprovide trickle charge preconditioning,temperature chargequalification, time or charge current termination, auto-matic charger and battery detection and status output.

Combining the LTC1729 series part with the LT®1510(1.5A), LT1769 (2A), LT1511 (3A) and LT1505 (>4A)step-down chargers is a simple operation. Connecting sixpins from the LTC1729 series part to the step-downchargers completes the integration. The LTC1729 termi-nation controllers are also compatible with step-down/step-up (SEPIC) chargers, including the LT1512 (2A switch)and LT1513 (3A switch).

The LTC1729 series is available in the 8-pin MSOP and SOpackages.




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