The BQ24150AYFFR from Texas Instruments is a compact, high-efficiency switch-mode charger designed for single-cell Li-Ion and Li-Polymer battery packs.
If you’re designing portable, battery-powered devices that need efficient charging, USB compliance, and USB-OTG support, this part is a strong choice.
This device integrates a synchronous PWM controller, power MOSFETs, input current sensing, high-accuracy current and voltage regulation, and charge termination into a small 20-pin WCSP package.
It supports programmable charging via an I²C interface and is designed to help portable devices charge faster than linear chargers while efficiently managing power.
Here’s what you’re getting with this part:
Key Features of the BQ24150AYFFR
It is designed for single-cell Li-Ion and Li-Polymer batteries
The BQ24150AYFFR is built for compact rechargeable devices that use single-cell battery packs.
It uses a high-efficiency switch-mode charging architecture
Its switch-mode design helps support faster charging than linear chargers, with better power efficiency and thermal performance.
It includes integrated power FETs
The device integrates the power FETs needed for charging, helping reduce external components and simplify the overall design.
It supports programmable charging through I²C
Engineers can program key charge settings through the I²C interface, including charge current, input current, charge voltage, and termination settings.
It supports USB-friendly current limiting
The part includes built-in input current sensing and limiting, with support for 100 mA and 500 mA USB charge modes.
It includes USB-OTG boost support
For USB On-The-Go applications, it can boost battery voltage to provide a 5.05 V output on VBUS.
It has built-in protection features
The BQ24150AYFFR includes reverse leakage protection, thermal regulation, input/output overvoltage protection, and automatic high-impedance mode.
It comes in a compact 20-pin WCSP package
Its small package makes it suitable for portable, space-constrained applications such as phones, handheld devices and media players.
This part is typically used in: