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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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STNS01 Fiches technique(PDF) 1 Page - STMicroelectronics |
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STNS01 Fiches technique(HTML) 1 Page - STMicroelectronics |
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1 / 29 page  This is information on a product in full production. July 2013 DocID024654 Rev 2 1/29 29 STNS01 Li-Ion linear battery charger with LDO Datasheet - production data Features • Charges single-cell Li-Ion batteries with CC-CV algorithm and charge termination • Charge current programmable up to 200 mA • 1% accuracy on floating voltage (4.2 V) • Integrated 3.1 V LDO regulator • Automatic power path management • Battery overcharge protection • Battery overdischarge protection • Battery overcurrent protection • Charging timeout • Very low battery leakage in overdischarge/shutdown mode • Low quiescent current • Charge/fault status output • Charger enable input • Available in a 12-lead (3 x 3 mm²) DFN package Applications • Portable MP3 players • Portable low-power devices • Fitness portable devices Description The STNS01 is a linear charger for single-cell Li- Ion batteries integrating an LDO regulator and several battery protection functions. The device uses a CC/CV algorithm to charge the battery. The fast-charge current can be programmed using an external resistor. Pre- charge current and termination current are scaled accordingly. The floating voltage value is 4.2 V. The input supply voltage is normally used to charge the battery and provide power to the LDO regulator. When a valid input voltage is not present and the battery is not empty, the device automatically switches to battery power. The STNS01 integrates overcharge, overdischarge and overcurrent protection circuitry to prevent the battery from being damaged under fault conditions. It also features a charger enable input to stop the charging process when battery overtemperature is detected by external circuitry. When the shutdown mode is activated, the battery power consumption is reduced to less than 500 nA to maximize battery life during shelf time or shipping.The device is available in a 3 × 3 mm² 12-lead DFN package. DFN12L (3 x 3 mm²) Table 1. Device summary Order code Package Packaging STNS01PUR DFN12L (3 x 3 mm²) 3000 parts per reel www.st.com |
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