MAX14720/50 Power Management Solution

The MAX14720/50 from Analog Devices are compact power management solutions for battery-powered applications that have space constraints and where efficiency is critical. The MAX14720/50 devices integrate a power switch, a linear regulator, a buck regulator, and a buck-boost regulator.

The MAX14720 is designed to be the primary power-management device and is ideal for either non-rechargeable battery applications or for rechargeable solutions where the battery is removable and charged separately. The device includes a button monitor and sequencer. It includes a programmable power controller that allows the device to be configured either for use in applications that require a true off state or for always-on applications. This controller provides a delayed reset signal, voltage sequencing, and customized button timing for on/off control and recovery hard reset.

The MAX14750 works as a companion to a charger or PMIC in rechargeable applications. It provides direct pin control of each function and allows greater flexibility for controlling sequencing.

The two devices include two programmable micro-IQ, high-efficiency switching converters: a buck-boost regulator and a synchronous buck regulator. These regulators feature a burst mode for increased efficiency during light-load operation. The low-dropout linear regulator has a programmable output. It can also operate as a power switch that can disconnect the quiescent load of system peripherals.