ADP5091

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Ultralow Power Energy Harvester PMU with MPPT and Charge Management

Part Models
2
1ku List Price
Starting From $2.93
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Part Details

  • Boost regulator with maximum power point tracking (MPPT) with dynamic sensing or no sensing mode
  • Hysteresis mode for best ultralight load efficiency
  • Operating quiescent current of SYS pin (VIN > VCBP ≥ VMINOP): 510 nA
  • Sleeping quiescent current of SYS pin (VCBP < VMINOP): 390 nA
  • Input voltage operating range: 0.08 V to 3.3 V
  • Fast cold start from 380 mV (typical) with charge pump
  • Programmable shutdown point on MINOP pin based on the input open circuit voltage (OCV)
  • 150 mA regulated output from 1.5 V to 3.6 V
  • Battery terminal charging threshold (2.2 V to 5.2 V) to support charging storage elements
  • Optional BACK_UP power path management
  • Radio frequency (RF) transmission conducive to shutting down the switcher temporarily via microcontroller unit (MCU) communication
ADP5091

Ultralow Power Energy Harvester PMU with MPPT and Charge Management

ADP5091 Typical Application Circuit ADP5091 Pin Configuration
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Evaluation Kits

eval board
EVAL-ADP509X

ADP5091/ADP5092 Evaluation Board

Product Details

The ADP5091/ADP5092 is a 2-channel ultralow power energy harvesting PMU in a compact 4 mm × 4 mm LFCSP package. The ADP5091-1-EVALZ and ADP5092-1-EVALZ run from input voltages of 0.38 V to 3.3 V and require minimal external components to provide a high efficiency solution with integrated power switches, synchronous rectifier, battery management, and hybrid controlled and regulated output.


The ADP5091-1-EVALZ and ADP5092-1-EVALZ evaluation boards provide an easy way to evaluate the device. This user guide describes how to quickly set up the evaluation board and deliver up to 3.5 V maximum voltage to the SYS output using an external resistor divide. The internal switches turn on as long as the storage element voltage at BAT pin is above the externally programmed SETSD of 2.4 V. The PGOOD indicator toggles high when SYS ramps up to 3 V. The REG_OUT is set to 2.5 V as the default output voltage. Complete information about the ADP5091/ADP5092 is available in the ADP5091/ADP5092 data sheet. Consult the data sheet in conjunction with this user guide when using the evaluation boards.

eval board
EVAL-ADP5091

ADP5091 Evaluation Board

Features and Benefits

  • Plug and play energy harvesting platform
  • Compatible with Analog Devices, Inc., wireless sensor network (WSN) platform
  • Solar panel harvester included
  • One regulated output with programmable output voltage 
  • RoHS compliant

Product Details

The ADP5091 demonstration platform is a plug and play evaluation board (ADP5091-2-EVALZ) for energy harvesting. The evaluation board includes the photovoltaic (PV) panel and all of the power management to enable devices to be powered using energy harvesting. It is based on the Alta Device PV cell and the ADP5091 energy harvesting power management IC.


The demonstration platform converts light energy to electrical energy. The PV panel converts the light to 0.8 V electrical energy. The ADP5091 boosts the input voltage from 0.8 V to 3.5 V and stores the energy in a supercapacitor.


The ADP5091 has a regulated output with programmable output voltage. By combining a low dropout (LDO) regulator and a boost regulator, it offers a more compatible output voltage than the output of a main boost regulator. The Alta Device PV cell is a light harvesting, dye sensitized PV cell. It is optimized for indoor environments, where lux levels of 200 lux to 1000 lux are typical.


The ADP5091 is an ultralow power, synchronous, boost dc-to-dc regulator. The ADP5091 runs from input voltages of 0.38 V to 3.3 V and provides a high efficiency solution with integrated power switch, synchronous rectifier, battery management, and one regulated output. The demonstration platform provides an easy way to evaluate the device.


Full details about the ADP5091 are available in the product data sheet, which should be consulted in conjunction with this user guide when using the ADP5091-2-EVALZ.


The system also plugs directly into the Analog Devices WSN demonstration platform.


This user guide UG-927 describes how to set up the board and how to use it for powering loads.

EVAL-ADP509X
ADP5091/ADP5092 Evaluation Board
ADP5091-1-EVALZ-ADP5092-1-EVALZ-1 Evaluation Board ADP5092-1-EVALZ - Angle View ADP5092-1-EVALZ - Bottom View ADP5092-1-EVALZ - Top View
EVAL-ADP5091
ADP5091 Evaluation Board
ADP5091-2-EVALZ - Angle View ADP5091-2-EVALZ - Bottom View ADP5091-2-EVALZ - Top View

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