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Last Updated: Apr 25, 2025 | Study Period: 2022-2030
An electric current is forced through a secondary cell or rechargeable battery by a battery charger, which is a device used to provide energy to the battery. The size and type of the battery being charged affect the charging technique.
While the vehicle is running, the charging system maintains your battery charged and supplies electricity for the lights, radio, and other systems. The alternator, battery, wiring, and electronic control unit make up today's charging system (ECU). One or more cells constitute a battery. One cell batteries are frequently referred to as "single cell batteries."
The Global automotive single cell battery charger market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
A highly integrated, linear LiFePO4 battery charger from Renesas designed for automotive applications with little space is bq25071-Q1. It accepts power from an AC adapter or USB port and can deliver up to 1 A of charging current to a single-cell LiFePO4 battery.
The low-cost, unregulated adapters are supported by the 30-V input rating. A single power output from the bq25071-Q1 simultaneously powers the system and charges the battery.
An integrated single-cell Li-ion battery charger with Auto Power Path Management is the RT9525. There is no need for more MOSFETs. Upon losing power, the RT9525 goes into sleep mode. A control algorithm is used to modify the charge rate, including pre-charge mode, fast charge mode, and constant voltage mode, in order to optimise charging operations.
The MC34673 by NXP is a reasonably priced, fully integrated single-cell battery charger for Li-Ion or Li-Polymer batteries. It does away with the need for the input over-voltage-protection circuit found in handheld devices because it can withstand input voltages of up to 28 V. Trickle, constant-current (CC), and constant-voltage (CV) charge modes are all parts of a charge cycle.
With an external resistor, the CC-mode current is programmable up to 1.2 A. At 4.2 V, the constant voltage is set. When the battery voltage falls below the trickle-mode threshold, the trickle-mode current is pre-set to 20% of the CC-mode current. To save board space and money, the end-of-charge (EOC) current threshold is pre-set to 10% of the CC-mode current.
The ISL78692 by Intersil is a 4.1V single cell battery charger made to increase the longevity of Li-ion batteries used in vehicle emergency call systems. The backup battery can continue to be charged for a longer amount of time thanks to the ISL78692 battery charger's lower leakage current, which is reported to be 3 A.
Additionally, a lower charging voltage increases battery life, and the device's compact size minimises the size of the entire solution.
In order to allow low-voltage charging of thin, portable IoT devices like smart displays and wearables like wireless earbuds, ROHM created a battery charger IC called the BD71631QWZ.
New battery types have been created in recent years as a result of the demand for safer, more dense rechargeable batteries. Included in this are batteries with various terminal compositions and all-solid/semi-solid variants that employ innovative materials for the electrode portion. The majority of today's rechargeable batteries, however, are tiny and thin and require low voltage charging in the 2V to 3V range. Additionally, battery charger ICs that can manage a wide voltage range are not yet available.
Based on this market requirement, ROHM created a battery charger IC that allows low voltage charging of novel rechargeable battery types like all-solid state and semi-solid state in addition to li-ion batteries. By enhancing the internal circuit's stability, the BD71631QWZ achieves low voltage charging over a wide range from 2.0V to 4.7V.
By allowing the charge voltage to be easily adjusted by merely altering the external resistor, ROHM's innovative product reduces the design load when changing batteries as opposed to conventional battery charger ICs that deliver a fixed voltage. Additionally, innovative package technology produces a tiny package with a thickness of just 0.4mm, which is 60% less than similar items already on the market. This results in gadgets that are thinner and smaller.
A perfect charging environment for thin, compact IoT and wearable devices utilising the most recent rechargeable batteries is provided by the ability to customise each charging feature, such as charge/termination current, for CCCV charging.
The BD71631QWZ enables the charging voltage to be easily adjusted from 2.0V to 4.7V by merely changing the external resistor, ensuring compatibility with new rechargeable battery types such as all-solid/semi-solid and others that require low voltage charging in addition to single-cell li-ion batteries.
The new product from ROHM uses innovative package technology to create a thin, small form factor of 1.8mm x 2.4mm x 0.4mm. Devices can be made smaller and thinner by making sure the height is equal to peripheral components. This makes it particularly ideal for wearables and small IoT devices outfitted with rechargeable batteries that are as thin as sheets.
| Sl no | Topic |
| 1 | Market Segmentation |
| 2 | Scope of the report |
| 3 | Abbreviations |
| 4 | Research Methodology |
| 5 | Executive Summary |
| 6 | Introduction |
| 7 | Insights from Industry stakeholders |
| 8 | Cost breakdown of Product by sub-components and average profit margin |
| 9 | Disruptive innovation in the Industry |
| 10 | Technology trends in the Industry |
| 11 | Consumer trends in the industry |
| 12 | Recent Production Milestones |
| 13 | Component Manufacturing in US, EU and China |
| 14 | COVID-19 impact on overall market |
| 15 | COVID-19 impact on Production of components |
| 16 | COVID-19 impact on Point of sale |
| 17 | Market Segmentation, Dynamics and Forecast by Geography, 2022-2030 |
| 18 | Market Segmentation, Dynamics and Forecast by Product Type, 2022-2030 |
| 19 | Market Segmentation, Dynamics and Forecast by Application, 2022-2030 |
| 20 | Market Segmentation, Dynamics and Forecast by End use, 2022-2030 |
| 21 | Product installation rate by OEM, 2022 |
| 22 | Incline/Decline in Average B-2-B selling price in past 5 years |
| 23 | Competition from substitute products |
| 24 | Gross margin and average profitability of suppliers |
| 25 | New product development in past 12 months |
| 26 | M&A in past 12 months |
| 27 | Growth strategy of leading players |
| 28 | Market share of vendors, 2022 |
| 29 | Company Profiles |
| 30 | Unmet needs and opportunity for new suppliers |
| 31 | Conclusion |
| 32 | Appendix |
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