900mA dual-channel enter with built-in increase SoC Li-Ion battery switching charger

Campbell, California. 23 August 2022 – Halo Microelectronics, a maker of analog and energy administration built-in circuits enabling energy-efficient sensible methods, introduced the discharge of its HL7090, a completely automated and extremely built-in lithium battery charging administration IC with one switching charger, two linear chargers, and full-range programmable cost parameters by an I²C appropriate interface.

The HL7090 is a compact, versatile, and high-efficiency switching-mode cost administration IC for single-cell Li-ion and Li-polymer batteries utilized in numerous IoT and wearable functions, together with ear pods. The HL7090 integrates a load swap to accommodate USB and wi-fi charging sources. Its built-in buck switching charger can function in increase mode, which powers the linear chargers to cost two equipment concurrently, supreme for earbud functions. The cost parameters will be programmed by the I²C interface (HL7090FN03 model). The IC integrates a synchronous PWM controller, energy MOSFET, enter present sensing, high-accuracy present, voltage regulation, and cost termination operate right into a tiny 3mm x 3mm QFN package deal.

The HL7090 supplies totally automated three-phase battery charging management, together with trickle cost, constant-current cost (CC), and fixed voltage cost (CV) till the battery reaches the cost termination voltage. The enter present is mechanically restricted to the worth set by the host, and the charging is terminated based mostly on the battery voltage and a user-selectable minimal present degree. A security timer with reset management supplies a security backup for the I²C interface.

Throughout regular operation, the HL7090 mechanically restarts the cost cycle if the battery voltage falls under an inner threshold and mechanically enters sleep mode, or excessive impedance mode when the enter provide isn’t appropriately linked. The cost standing will be reported to the host by the I²C interface.

“Our new Li-ion battery switching charger IC with its totally automated cost administration takes all the troubles out of charging IoT functions, offering comfort, no problem, and peace of thoughts,” says David Nam, CEO of Halo Microelectronics.”

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