BQ24156AYFFT

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The Texas Instruments BQ24156AYFFT is a high-efficiency Li-Ion battery charger and System Power Management IC (SPMC) that provides highly accurate charge current and voltage regulation, as well as charge termination in a compact package. It is suitable for a wide variety of single-cell lithium-ion and lithium-polymer applications, including those requiring an asynchronous buck converter, synchronous buck-boost controller, and boost converter.

The BQ24156AYFFT belongs to the family of PMIC - Battery Chargers, which are responsible for the management of power in battery-based systems. Battery Chargers provide the power needs to start a system, maintain the charge of the battery, and protect the system from overcharging and discharging hazards.

The BQ24156AYFFT features an integrated synchronous buck-boost controller, boost controller, and asynchronous buck converter that can operate as either a standalone charger or System Power Management IC (SPMC). This integration reduces system size, cost, and overall power dissipation. The integrated AC adapter acceptance circuit provides a simple and low cost solution for USB Type-C applications, making it suitable for a wide variety of portable applications such as mobile phones and tablets.

The BQ24156AYFFT provides an adaptive power control architecture that can automatically adjust the power supply voltage to meet system needs. This allows the BQ24156AYFFT to maximize efficiency, system power, and increase end product performance. It also supports wide input source range (4V – 20Vdc) for greater flexibility. The device integrates a power MOSFET and a linear transistor, which improves efficiency and reduces power losses.

The BQ24156AYFFT also features a range of protections to keep the system protected from excessive discharge. These Include input overvoltage protection (OVP), battery over-discharge protection (ODP), battery overcurrent protection (OCP), thermal protection (TSD), and reverse-battery protection (RRP). It also features an advanced safety timer that can dynamically adjust the charge termination time based upon battery temperature. This ensures that the system is efficiently charged while protecting the battery.

In summary, the BQ24156AYFFT is a high-efficiency Li-Ion battery charger and System Power Management IC (SPMC) that provides highly accurate charge current and voltage regulation, as well as charge termination. It belongs to the family of PMIC – Battery Chargers which are responsible for the management of power in battery-based systems. It integrates a range of protection and charging features to ensure compliant and reliable charging for a wide variety of single-cell lithium-ion and lithium-polymer applications.

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