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Power-management IC for multi-cell Li-ion battery packs

Power-management IC for multi-cell Li-ion battery packs

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By eeNews Europe



Analog Devices has posted information on the ADP5080 integrates two keep-alive LDO regulators that can deliver 400 mA and 300 mA, five synchronous buck regulators delivering 0.8, 1.15, 1.5, 2, and 3A respectively, a configurable four-switch buck boost regulator, and a high voltage LDO regulator. The ADP5080 is a highly integrated power solution that incorporates all power MOSFETs, feedback loop compensation, voltage setting resistor dividers, and discharge switches, as well as a charge pump to generate a global bootstrap voltage.

All these features help to minimise the number of external components and PCB space required, for portable applications. The switching frequency is selectable on each channel from 750 kHz to 2 MHz.

Key functions for power applications, such as soft start, selectable preset output voltage, and flexible power-up and power-down sequences, are provided on-chip and are programmable via the I2C interface with fused factory defaults. The ADP5080 is available in a 72-ball WLCSP 0.5-mm pitch package. Use it in tablets, space-constrained applications and portable instrumentation.

Analog Devices; www.analog.com/en/power-management/multi-output-regulators/adp5080/products/product.html

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