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116 Threads found on edaboard.com: Buck Battery
Hi, I'm sure it's possible and effective with sufficient research and diligence. You'd need something like an LDO (paying attention to the current it can really provide with 7.2V - 3.8V * required charging current) or a buck Converter IC might be more suitable, and probably the best choice would be a battery charger IC. Whatever the charger is t
Advantage of the inverting buck-boost topology is in using only one active switch and respective simple control. I would opt for a four switch non-inverting buck-boost due to lower switching losses. Linear LT8705A supports up to 80V Vin/out.
If you've only got 8A to throw you will have no problem finding low-enough Rds(on) FETs for the on conduction losses to be insignificant. No matter what the voltage. Think about what your battery bank can accept as a charging current, that's what you will have to control for at peak sun and low charge. You can trade voltage for current by
Hi, it seems your circuit needs no current... Look for "SEPIC" or "buck-boost" switch mode converters. Many manufacturers of switch mode controller ICs have interactive selection guides where you can find the most suitable IC for your application: One example SEPIC: Klaus
What's the intended circuit topology? Boost- or buck-PFC?
Hi, there is no need for buck-boost. Either use buck or use boost, depending on your power supply voltage. *** But itīs not that simple as your picture. You need an inductance...and a diode at the power path. and some controlling system... Klaus
You have some boundary conditions - panel bus voltage max and min, MPP current, battery charger input voltage and so on. These would say whether a buck will do or whether some corner might need boost capability. This all has to do with the components at hand. I'm sure you can find SPICE subcircuits or even a representation for whatever schema
Hello, I am building a battery powered application using one cell LIPO battery which is 2500mAh, I am using a system on chip for GSM and BLE, GPS module, MCU IC, some sensors. I want to know what's the best design tips to power this application from battery please? is it good to power every module/Chip using a separate (...)
Hello, I am building a battery powered application using one cell LIPO battery which is 2500mAh, I am using a system on chip for GSM and BLE, GPS module, MCU IC, some sensors. I want to know what's the best design tips to power this application from battery please? is it good to power every module/Chip using a separate (...)
Concept of buck converter. 12V stepped down to 5V This is not necessarily a complete circuit. The inverter is a 'shortcut' component, to illustrate how the feedback signal operates. For the control circuit you ca
Hi, I'm looking to build a solar charge controller for lead acid battery rated 35Ah. The panel is rated 200w at 24V. I haven't yet built this circuit other than playing around with the example buck converter circuits on LTSpice. I would want to have a prototype running on the breadboard first. Have following questions : 1) My switching frequ
You must not increase V1 as it would damage the driver IC and MOSFET. As already mentioned by others, to use a bootstrap driver in this application, it must be supplemented by start-up circuit. A straightforward solution would be to extend the circuit to a synchronous buck by adding a low-side MOSFET, and limit the duty cycle slightly bel
i have design or purchase a buck converter for my design. i'm designing a low power and low profile device which the battery capacity has been fixed to 200mAh. the cellular modem which we are using can draw current from 500mA to 900mA when its transmitting. so i'm trying to use buck converter to step down the voltage and step up the current (...)
Assuming your PV panel is rated 50W at 12V, and your battery is 12V type. It is common to have a buck converter, to prevent overcharging the battery. A good upper limit is 14.4V (for a lead-acid battery). By tapering the charge rate, it avoids pushing the voltage too high. Otherwise the electrolyte would bubble and (...)
The simplest circuit would probably be a buck/boost this, a negative input voltage is converted to a positive output voltage (or the other way around). This has a couple of advantages apart from its simplicity. Voltages can be converted either up or down (or bo
Hi, Just to be sure: you need a 48V to 12V buck converter with 45..60kW? Klaus
yes because you are below 60v at input there will be a lot of buck converter chips with on-chip hi-side fet drive available to you. Just search linear.com, or maybe ti.com. What power level is it.
The most effective battery technology is the one with the lowest ESR per dollar , per volume, per Ah, per Wh with a matched charger. The present day choice is a family of Lithium chemistry technology. For a matched charger, I would choose a forward buck that is capable of being switched with a lower RdsOn, transformed by turns ratio n?. This
I want to build a solar battery charger (Uin = 20 .. 90V, Uout = 48V, P = 2000W) using a synchronous buck-boost converter topology (H-bridge). I wonder what's the best PWM scheme to drive the bridge switches (MOSFETs). Most integrated buck-boost driver ICs are using three separate schemes: buck only, boost only or (...)
Hi, I built a prototype of battery charger, using LTC4020 which fits many of my requirements. I also have their demo board which proves that it can work in my application, 4S LiFePO4 battery, 14.4V CC/CV charg