Questions tagged [lipo]
Questions regarding Li-Po batteries (Lithium-ion Polymer, Polymer Lithium Ion or more commonly known as Lithium Polymer), including proper charging and usage.
662
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Lithium Battery Protection DW01
I'm using DW01 to protect LiPo batteries. But since there are more than one source of voltage in the circuit, I need to add a diode to DW01's VCC pin for the situations that battery is removed and ...
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Read battery voltage with ADS1110
I have an ADS1110 that should read a battery's voltage (2.8V - 4.2V).
I have built this schematic:
The problem is, I connected the battery's negative terminal to VIN- and the PCB is already assembled ...
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Lipo battery not holding charge
I have a DAB radio which has a 7.4 V 2000 mAh LiPo battery which recently stopped holding its charge.
I purchased a replacement battery, 7.4 V but 3000 mAh. The old battery had a single 3 wire ...
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Behaviour of my Battery Management System Schematic
I am trying to validate my schematic of a battery management system based on the DW01A for single cell protection, I have 3-series (3-S) Li-Po cell battery pack so I am using three of this integrated ...
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What is the difference between PACK- and BAT-?
I have a doubt about what is the difference between BAT- and PACK- in this battery management system available in a github project:
As I read in the datasheet of the BQ76920, the N-Channel FETs are ...
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Quiescent current in battery circuit
In this circuit I'm using an MCP73832 for battery charging and an AP2210 LDO. The mosfet is a DMP3099L. With the USB disconnected, VBAT set to 4.2V and the MCU (STM32F030F4P6) in standby mode (drawing ...
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Specific Li-po, Li-ion and charging facts (low intensity, slow)
I have the following battery, but not its original charger:
12 V, 4.0 Ah
Cell Balancing Longer Battery Life Increased Battery Lifespan. Higher Battery Resources Due To Evenly Used Cells.
BTW ...
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What is the function of this pin in this BMS schematic?
I am implementing my own 3-cells battery management system charger based on the BQ76920 but I have a doubt about the REGOUT pin, in the datasheet it says that pin is the output of LDO (Low-Dropout ...
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Battery charger bypass with diode
I'm a bit of a noob, I have a battery charger circuit connected to a step up converter to get 5V (see 1st image below). The 5V feeds a circuit that draws between 50mA (standby) to 500mA (on).
The ...
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Can I charge 604050 LiPo battery using USB charger and single resistor?
The battery I got off Aliexpress has a protection chip:
I'm wondering - Will the chip protect the battery against overcharging if I use a standard 5V USB charger and a single resistor in series?
...
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ESP32 and TP4056 lipo charging
I'm currently working on a project involving an ESP32-S3 Microcontroller. I want to implement a few things that are very hard for me to figure out. This is my current TP4056 charging logic + battery ...
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Can I use this MOSFET instead of the standard FS8205?
In my current circuit, I have the FS8205 MOSFET in combination with a DW01A for lithium battery protection, but the MOSFET is out of stock. I found another MOSFET labeled "FS8205A". Can I ...
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Does this mini LiPo battery have a built-in BMS?
I got a 260mAh LiPo battery from Aliexpress fot which I have very little info. I noticed that there is a small PCB bundled together with the battery.
Some images:
The markings on the ICs are as far ...
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Supplementing USB power with batteries
I am designing a custom USB hub for a project that will be primarily connected to a Surface Pro or laptop. One of the peripherals that I am using is a camera that consumes quite a bit of power from ...
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Battery charging circuit barely charges
The circuit in the picture is designed to charge a Li-po battery from USB.
The MCP73832T-2DFI/OT datasheet says that a PROG resistor of 10 kΩ should charge at around 100 mA. When initially powered up ...
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