ADP5091ACPZ-1-R7

Overview

The ADP5091ACPZ-1-R7 is a nano power management unit (PMU) designed for energy harvesting applications. It integrates an ultra-low quiescent current boost converter, charge management, and input power monitoring. The device operates with an input voltage range of 80 mV to 3.3 V and provides a regulated output voltage between 1.5 V and 3.6 V. It supports a maximum output current of 150 mA and features cold start capability down to 380 mV. Packaged in a 24-pin LFCSP, it is rated for operation from -40°C to +125°C.

Feature Summary

• Integrates MPPT functionality with dynamic or non-detection modes to maximize energy extraction from PV cells or TEGs.
• Features ultra-low static currents of 450 nA and 360 nA depending on operating conditions to minimize system losses.
• Includes programmable charge management for lithium-ion batteries with configurable end-of-charge voltage and discharge cutoff.
• Provides RF transmission friendly operation via microcontroller-controlled temporary shutdown of the switching regulator.

Applications

• Photovoltaic (PV) cell energy harvesting systems
• Thermoelectric generator (TEG) energy harvesting
• Industrial monitoring sensors
• Self-powered wireless sensor devices

Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or direct channels. Confirm package integrity and pin alignment upon receipt. Check datasheet revisions for any updates to electrical characteristics or thermal parameters before finalizing design integration.

Selection Notes

Select this PMU for designs requiring sub-microwatt standby power and integrated battery charging from low-voltage sources. Ensure input source impedance matches the MPPT requirements. Verify that the required output voltage falls within the 1.5 V to 3.6 V programmable range.

Part Context

This component belongs to the ADP5091/ADP5092 family of intelligent energy harvesting PMUs. It shares architectural similarities with other ADI nano-power solutions but is distinctively optimized for converting DC power from solar or thermal sources into stable voltages for small electronic loads.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Analog Devices technical support for cross-reference recommendations based on specific circuit requirements.

FAQ

What is the minimum input voltage required for the ADP5091 to start regulating?

The device utilizes a charge pump for fast cold start, allowing regulation to begin at an input voltage as low as 380 mV typical.

How does the ADP5091 handle RF interference during transmission?

The DIS_SW pin allows the microcontroller to temporarily shut off the boost regulator, making the system RF transmission friendly.