MAX77961BEFV12+

MAX77961B is a high-performance wide-input 6A buckboost charger with Smart Power Selector™ and operate as a reverse buck converter without an additional inductor, allowing the ICs to power USB OTG accessories. The devices integrate low-loss power switches and provide high efficiency, low heat and fast battery charging in a small solution size. The reverse buck has true load disconnect and is protected by an adjustable output current limit. The devices are highly flexible and programmable through I2C configuration or autonomously through resistor configuration. The battery charger includes the Smart Power Selector to accommodate a wide range of battery sizes and system loads. The Smart Power Selector allows the system to start up smoothly when an input source is available even when the battery is deeply discharged/missing. For battery safety/authentication reasons, the ICs can be configured to keep charging disabled and allow the DC-DC to switch and regulate the SYS voltage.

• 3.5V to 25.4V input operating range, 30VDC withstand
• 97% peak efficiency for 2S battery at 9VIN/7.4VOUT/1.5AOUT and 3S battery at 15VIN/12.6VOUT/2AOUT
• 100mA to 6.3A programmable input current limit, 100mA to 6A programmable constant current charge
• Remote differential voltage sensing
• 600KHz or 1.2MHz switching frequency options
• System instant on with smart power selector power path
• Charge safety timer
• Die temperature regulation with thermal foldback loop
• Input power management with adaptive input current limit (AICL) and input voltage regulation
• 10mohm BATT to SYS switch, 10A overcurrent threshold, reverse buck mode 5.1V/3A to support USB OTG

Poznámky

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