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...
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...
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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.