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Микросхема MAXIM MAX77803 BGA в наличии и под заказ, гарантия 2 мес. Принимаем запросы на любые электронные компоненты.

The MAX77803 is a high performance companion PMIC for latest 3G/4G SmartPhones and Tablet computers. The PMIC includes Dual Input, Smart Power PathTM 2.5A switch mode charger with reverse Boost capability and adapter input protection up to 25VDC (28Vpk @ 5us) withstand, proprietary Model GaugeTM (mg1) fuel gauge technology, MUIC, 2x safe LDOs, Haptic and a single 1.25A Flash / Torch LED driver. The device is meant to work with main PMICs, including those from competitors. The switch mode battery charger’s operating frequency is 4MHz and includes integrated, low loss switches ― providing the smallest L/C size, lowest heat and fastest battery charging programmable up to 2.1A. The charger has two inputs which accept Adapter/USB and/or Wireless type inputs. All MAX77803 blocks tied to Adapter/USB pin are protected from input over-voltage events up to 25VDC/28VPK. The Wireless input can simultaneously charge the battery while powering USB-OTG type accessories. The USB-OTG output provides true-load disconnect and is protected by an adjustable output current limit. The battery charger includes Smart Power PathTM and I2C adjustable settings to accommodate a wide range of battery sizes and system loads. When external power is applied from either input, battery charging is enabled. With a valid input power source (adapter or wireless charger), the BYP pin voltage is equal to the input voltage minus resistive voltage drop. During Battery only reverse Boost operation, the BYP output may be regulated with the reverse Boost feature and provides up to 5V at 1.2A and requires no additional inductor– allowing the MAX77803 to power USB OTG accessories or provide illumination to the Flash LED string. The switching charger is designed with a special CC, CV, and die temperature regulation algorithm. MaxFlash prevents overloading a weak battery, further extending battery life. Model Gauge m1 provides accurate battery fuel gauging without calibration and operates with extremely low battery current. The MUIC interfaces with the system USB interface and provides Adapter detection and battery ID capability. The MUIC multiplexes system data from USB, UART and audio – allowing a single micro-USB system connector. The Haptic motor driver drives both ERM and LRA type actuators. The Safeout LDO drive system USB interface devices. The MAX77803 features a I2C revision 3.0 compatible serial interface consisting of a bidirectional serial data line (SDA) and a serial clock line (SCL).