Analog Devices LT8491 Buck-Boost Battery Charge Controller
https://www.electronics-lab.com/analog-devices-lt8491-buck-boost-battery-charge-controller/
Analog Devices Inc. LT8491 Buck-Boost Battery Charge Controller implements a constant-current constant voltage (CCCV) charging profile used for most battery types. This includes sealed lead-acid (SLA), flooded, gel, and lithium-ion. The device operates from input voltages above, below, or equal to the output voltage and is powered by a solar panel or DC power supply. Typical Application Features VIN Range: […]
MP17xA Non-Isolated Offline Regulators
https://www.electronics-lab.com/mp17xa-non-isolated-offline-regulators/
MPS’ MP17xA series non-isolated offline regulators feature an integrated 700 V MOSFET and offer up to 280 mA output current with improved EMI performance Monolithic Power Systems’ MP17xA series are primary-side regulators that provide accurate constant voltage (CV) regulation without an optocoupler. These devices support buck, boost, buck-boost, and flyback topologies. The devices’ integrated 700 V […]
Texas Instruments Introduces TPS63900 DC/DC Buck-Boost Converter
https://www.electronics-lab.com/texas-instruments-introduces-tps63900-dc-dc-buck-boost-converter/
Texas instruments introduced the TPS63900 DC/DC buck-boost converter; the company is calling it the industry’s first. It combines programmable input current limit and integrated dynamic voltage scaling to extend battery life. The TPS63900 has a quiescent current of 75 nA with 92% efficiency at 10 µA. Per a company release, TPS63900 integrates dynamic voltage scaling […]
PMP30473 – Lowest noise auxiliary dual output (+5 V and -5 V) power supply reference design
https://www.electronics-lab.com/pmp30473-lowest-noise-auxiliary-dual-output-5-v-5-v-power-supply-reference-design/
This reference design is a 2 x 1-W inverting buck-boost converter. The two output voltages (+5 V and -5 V) are produced from one single buck silicon (TPS57160). Post regulators (and post-filters) ensure ripple-free output voltages. The input voltage range covers automotive and industrial applications. Features Input filter ensures lowest reflected ripple Power stage withstands […]
New ZVS Buck-Boost Regulator operates down to -55°C for application in harsh environments
https://www.electronics-lab.com/new-zvs-buck-boost-regulator-operates-55c-application-harsh-environments/
Vicor has released its PI3740 ZVS buck-boost regulator with an extended operating temperature range of -55 to +115°C and optional Tin-Lead BGA packaging. The PI3740 is a high-density and high-efficiency buck boost regulator with an 8 – 60V input voltage range and supports output voltages from 10 – 50V. The device offers up to 140W […]
Buck-Boost Battery Charge Controller with MPPT and I2C
https://www.electronics-lab.com/buck-boost-battery-charge-controller-mppt-i2c/
The LT8491 from Analog Devices is a buck-boost switching regulator battery charge controller that implements a constant-current constant-voltage (CCCV) charging profile used for most battery types, including sealed lead-acid (SLA), flooded, gel and lithium-ion. Applications are expected to include solar powered battery chargers (see simplified schematic above), multiple types of lead-acid battery charging, Li-ion battery […]
Constant-on-time buck-boost regulator converts a positive input to a negative output
https://www.electronics-lab.com/constant-time-buck-boost-regulator-converts-positive-input-negative-output/
This is a LM5010 buck-boost regulator able to convert a positive input ranging from 10-50Vdc to -12V output. by Robert Bell @ www.edn.com Buck regulators find wide application as step-down regulators for converting large positive input voltages into a smaller positive output voltages. Figure 1 shows a simplified buck regulator that operates in continuous-conduction mode—that […]
Synchronous four-switch buck-boost controller suits transport and medical use
https://www.electronics-lab.com/synchronous-four-switch-buck-boost-controller-suits-transport-medical-use/
Synchronous four-switch buck-boost controller suits transport and medical use A 150V high efficiency four-switch synchronous buck-boost DC/DC controller, the LTC3777, by Analog Devices operates from input voltages above, below or equal to the regulated output voltage and had an efficiency of up to 99 per cent. The Power by Linear DC/DC controller has an input […]
150VIN & VOUT Synchronous 4-Switch Buck-Boost Controller with Integrated Switching Bias Supply
https://www.electronics-lab.com/150vin-vout-synchronous-4-switch-buck-boost-controller-integrated-switching-bias-supply/
Analog Devices announces the Power by Linear™ LTC3777, a 150V high efficiency (up to 99%) 4-switch synchronous buck-boost DC/DC controller, which operates from input voltages above, below or equal to the regulated output voltage. Its 4.5V to 150V input voltage range operates from a high input voltage source or from an input that has high […]
2.7V to 38V/500 mA low noise buck-boost charge pump
https://www.electronics-lab.com/2-7v-38v500-ma-low-noise-buck-boost-charge-pump/
Graham Prophet @ eedesignnewseurope.com discuss about Linear’s low noise buck-boost converter LTC3246, able to produce 3.3V, 5V or ADJ regulated with an input range of 2.7V to 38V : LTC3246 is a low noise buck-boost charge pump with integrated watchdog timer capable of up to 500 mA of output current. It uses multimode switched capacitor […]