R2A20056BM#W0

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The R2A20056BM#W0 is a power management integrated circuit (PMIC) optimized for battery charging applications. It offers flexible charging techniques for a wide range of battery chemistries, ranging from Li+/Li-Ion/Li-Polymer to AAA/AA/C/D large capacity NiMH/NiCd batteries. In addition, this chip features an efficiently low power on-chip linear charger, adjustable current and voltage, and an external charging input. Its simple and accurate battery charge control makes it ideal for a variety of portable and automotive applications.

Functionality and Features

The R2A20056BM#W0 controller is designed to provide controlled charging capabilities for a wide range of battery chemistries. The chip includes a secondary-side advanced current control scheme, off-time control, trickle-charge, trickle-charge recovery, and over-current protection, making it suitable for a variety of charging scenarios. The chip operates from an input voltage range of 6 V to 28 V and provides a regulated charge voltage up to 16 V, with a programmable maximum current limit up to ± 16.5 A, making it suitable for multiple cell packs.

The chip also features a high accuracy peak current detection, an adjustable time-out period, a multi-level adjustable pre-charge current, and a charge initiation control pin that can be used to enable or disable the charge cycle. The chip can be used with either its internal switched-mode power supply (SWPS) controller or with an external constant voltage source. Additionally, the chip is designed to reduce the amount of power dissipated during charging, allowing it to achieve high efficiency.

Operational Characteristics

The R2A20056BM#W0 has an operating ambient temperature range of -40 to +85 °C and a storage temperature range of -55 to +125 °C. It is a RoHS compliant device, with a total current consumption of less than 25 µA in stand-by mode and less than 4 mA in normal operation.In addition to operating from an external input voltage, the chip is also capable of running directly from the battery, which makes it ideal for portable and automotive applications. This allows for an efficient battery charging cycle, as the R2A20056BM#W0 will only draw current when needed, reducing the overall power consumption and prolonging the battery life.

Applications

The R2A20056BM#W0 is designed for a variety of portable and automotive applications, including cellular phones, digital still cameras, SLR cameras, smart phones, PDAs, tablet computers, media players, portable music players, digital video recorders, portable DVD players, multimedia players, and automotive chargers. This chip is also suitable for other battery-powered, low power, and space-constrained applications.

Conclusion

The R2A20056BM#W0 is a PMIC optimized for battery charging applications, providing flexible charging techniques for a wide range of battery chemistries. The chip offers an efficient low power internal charging input, adjustable current and voltage, and a high accuracy peak current detection. Additionally, the chip is capable of running directly from the battery, allowing it to achieve high efficiency. This makes the R2A20056BM#W0 ideal for a variety of portable and automotive applications.

The specific data is subject to PDF, and the above content is for reference