ADP50721 A/0.6 A DC-to-DC Switching Regulator with Independent Positive and Negative Outputs | Integrated Circuits (ICs) | 2 | Active | The ADP5072 is a dual, high performance dc-to-dc regulator that generates independently regulated positive and negative rails.The input voltage range of 2.85 V to 5.5 V supports a wide variety of applications. The integrated main switch in both regulators enables generation of an adjustable positive output voltage up to 35 V and a negative output voltage down to −30 V.The ADP5072 operates at a pin selected 1.2 MHz or 2.4 MHz switching frequency. The ADP5072 can synchronize with an external oscillator from 1.0 MHz to 2.6 MHz to ease noise filtering in sensitive applications. Both regulators implement programmable slew rate control circuitry for the MOSFET driver stage to reduce electromagnetic interference (EMI). Flexible start-up sequencing is provided with the options of manual enable, simultaneous mode, positive supply first, and negative supply first.The ADP5072 includes a fixed internal or resistor programmable soft start timer to prevent inrush current at power-up.Other key safety features in the ADP5072 include overcurrent protection (OCP), overvoltage protection (OVP), thermal shutdown (TSD), and input undervoltage lockout (UVLO).The ADP5072 is available in a 20-ball WLCSP and is rated for a −40°C to +125°C junction temperature range.Bipolar amplifiers, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and multiplexersCharge coupled device (CCD) bias suppliesOptical module suppliesRF power amplifier biasTime of flight module supplies |
| Voltage Regulators - DC DC Switching Regulators | 2 | Active | |
| Evaluation Boards | 2 | Active | |
ADP5075800 mA, DC-to-DC Inverting Regulator | Power Management (PMIC) | 1 | Active | The ADP5075 is a high performance dc-to-dc inverting regulator used to generate negative supply rails.The input voltage range of 2.85 V to 15 V supports a wide variety of applications. The integrated main switch enables the generation of an adjustable negative output voltage down to 39 V below the input voltage.The ADP5075 operates at a pin selected 1.2 MHz/2.4 MHz switching frequency. The ADP5075 can synchronize with an external oscillator from 1.0 MHz to 2.6 MHz to ease noise filtering in sensitive applications. The regulator implements programmable slew rate control circuitry for the MOSFET driver stage to reduce electromagnetic interference (EMI).The ADP5075 includes a fixed internal or resistor programmable soft start timer to prevent inrush current at power-up. During shutdown, the regulator completely disconnects the load from the input supply to provide a true shutdown.Other key safety features in the ADP5075 include overcurrent protection (OCP), overvoltage protection (OVP), thermal shutdown (TSD), and input undervoltage lockout (UVLO).The ADP5075 is available in a 12-ball WLCSP and is rated for a −40°C to +125°C junction temperature range.ApplicationsBipolar amplifiers, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and multiplexersCharge coupled device (CCD) bias suppliesOptical module suppliesRadio Frequency (RF) power amplifier (PA) bias |
| Development Boards, Kits, Programmers | 2 | Active | |
ADP5080Tiny 15V PMU with 6 CH DC/DCs and 2 LDOs for Multicell Lithium Ion Battery Applications | Voltage Regulators - Linear + Switching | 1 | Active | The ADP5080 is a fully integrated, high efficiency power solution for multicell lithium ion battery applications. The device can connect directly to the battery, which eliminates the need for preregulators and, therefore, increases the battery life of the system.The ADP5080 integrates two keep-alive LDO regulators, five synchronous buck regulators, 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 minimize the number of external components and PCB space required, providing significant advantages 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.APPLICATIONSDSLR camerasNon-reflex (mirrorless) camerasPortable instrumentation |
ADP5090Ultralow Power Boost Regulator with MPPT and Charge Management | Power Management (PMIC) | 3 | Active | The ADP5090 is an integrated boost regulator that converts dc power from PV cells or TEGs. The device charges storage elements such as rechargeable Li-Ion batteries, thin film batteries, super capacitors, and conventional capacitors, and powers up small electronic devices and battery-free systems.The ADP5090 provides efficient conversion of the harvested limited power from a 16 µW to 200 mW range with sub-µW operation losses. With the internal cold-start circuit, the regulator can start operating at an input voltage as low as 380 mV. After cold startup, the regulator is functional at an input voltage range of 80 mV to 3.3 V.By sensing the input voltage at the VIN pin, the control loop keeps the input voltage ripple in a fixed range to maintain stable dcto-dc boost conversion. The VIN OCV sensing and programmable regulation points of the input voltage allow extraction of the highest possible energy from the PV cell or TEG harvester. A programmable minimum operation threshold (MINOP) enables boost shutdown during a low light condition. In addition, the DIS_SW pin can temporarily shut down the boost regulator and is RF transmission friendly.The charging control function of ADP5090 protects rechargeable energy storage, which is achieved by monitoring the battery voltage with programmable charging termination voltage and shutdown discharging voltage. In addition, a programmable PGOOD flag monitors the SYS voltage.An optional primary cell battery can be connected and managed by an integrated power path management control block that automatically switches the power source from the energy harvester, rechargeable battery, and primary cell battery.The ADP5090 is available in a 16-lead, 3 mm × 3 mm LFCSP and is rated for a −40°C to +125°C junction temperature range.APPLICATIONSPV cell energy harvestingTEG energy harvestingBattery regulator powered by solar panelIndustrial monitoringSelf-powered wireless sensor devicesPortable and wearable devices with energy harvesting |
ADP5091Ultralow Power Energy Harvester PMU with MPPT and Charge Management | Integrated Circuits (ICs) | 2 | Active | The ADP5091/ADP5092are intelligent, integrated energy harvesting, ultralow power management unit (PMU) solutions that convert dc power from PV cells or TEGs. These devices charge storage elements such as rechargeable Li-Ion batteries, thin film batteries, super capacitors, or conventional capacitors, and power up small electronic devices and battery free systems.The ADP5091/ADP5092 provide efficient conversion of the harvested limited power from a 6 μW to 600 mW range with submicrowatt operation losses. With the internal cold start circuit, the regulator can start operating at an input voltage as low as 380 mV. After cold startup, the regulator is functional at an input voltage range of 0.08 V to 3.3 V. An additional 150 mA regulated output can be programmed by an external resistor divider or the VID pin.The MPPT control keeps the input voltage ripple in a fixed range to maintain stable dc-to-dc boost conversion. The dynamic sensing mode and no sensing mode, both programming regulation points of the input voltage, allow extraction of the highest possible energy from the harvester. A programmable minimum operation threshold enables boost shutdown during a low input condition.As a low light indicator for a microprocessor, the LLD pin of the ADP5091 is the MINOP comparator output. However, the REG_GOOD flag of the ADP5092 monitors the REG_OUT voltage. In addition, the DIS_SW pin can temporarily shut down the boost regulator and is RF transmission friendly.The charging control function of the ADP5091/ADP5092 protects the rechargeable energy storage, which is achieved by monitoring the battery voltage with the programmable charging termination voltage and the shutdown discharging voltage. In addition, a programmable PGOOD flag monitors the SYS voltage.An optional primary cell battery can be connected and managed by an integrated power path management control block that is programmable to switch the power source from the energy harvester, rechargeable battery, and primary cell battery.The ADP5091/ADP5092 are available in a 24-lead LFCSP and are rated for a −40°C to +125°C temperature range.ApplicationsPhotovoltaic (PV) cell energy harvestingThermoelectric generators (TEGs) energy harvestingIndustrial monitoringSelf powered wireless sensor devicesPortable and wearable devices with energy harvesting |
ADP5092Ultralow Power Energy Harvester PMU with MPPT and Charge Management | Power Management (PMIC) | 1 | Active | TheADP5091/ADP5092 are intelligent, integrated energy harvesting, ultralow power management unit (PMU) solutions that convert dc power from PV cells or TEGs. These devices charge storage elements such as rechargeable Li-Ion batteries, thin film batteries, super capacitors, or conventional capacitors, and power up small electronic devices and battery free systems.The ADP5091/ADP5092 provide efficient conversion of the harvested limited power from a 6 μW to 600 mW range with submicrowatt operation losses. With the internal cold start circuit, the regulator can start operating at an input voltage as low as 380 mV. After cold startup, the regulator is functional at an input voltage range of 0.08 V to 3.3 V. An additional 150 mA regulated output can be programmed by an external resistor divider or the VID pin.The MPPT control keeps the input voltage ripple in a fixed range to maintain stable dc-to-dc boost conversion. The dynamic sensing mode and no sensing mode, both programming regulation points of the input voltage, allow extraction of the highest possible energy from the harvester. A programmable minimum operation threshold enables boost shutdown during a low input condition.As a low light indicator for a microprocessor, the LLD pin of the ADP5091 is the MINOP comparator output. However, the REG_GOOD flag of the ADP5092 monitors the REG_OUT voltage. In addition, the DIS_SW pin can temporarily shut down the boost regulator and is RF transmission friendly.The charging control function of the ADP5091/ADP5092 protects the rechargeable energy storage, which is achieved by monitoring the battery voltage with the programmable charging termination voltage and the shutdown discharging voltage. In addition, a programmable PGOOD flag monitors the SYS voltage.An optional primary cell battery can be connected and managed by an integrated power path management control block that is programmable to switch the power source from the energy harvester, rechargeable battery, and primary cell battery.The ADP5091/ADP5092 are available in a 24-lead LFCSP and are rated for a −40°C to +125°C temperature range.ApplicationsPhotovoltaic (PV) cell energy harvestingThermoelectric generators (TEGs) energy harvestingIndustrial monitoringSelf powered wireless sensor devicesPortable and wearable devices with energy harvesting |
| Development Boards, Kits, Programmers | 2 | Active | |
