MP26060EQ-LF-Z

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PMIC - Battery Chargers

The MP26060EQ-LF-Z is a power management integrated circuit (PMIC) from Texas Instruments. This integrated circuit is part of the company’s PowerPath series and is used for battery charging in portable applications such as medical and military devices, laptop and handheld computers, and navigation systems. The MP26060EQ-LF-Z combines several functions for power management and protection in a single package. It includes a RISC-based MCU, a buck-boost converter, and a 3.2A adjustable current limit charger.

Application Field

The MP26060EQ-LF-Z can be used in a wide range of portable battery applications. It supports up to 3.2A of charge current and up to 34V of input voltage, making it suitable for charging many different types of batteries. It also features high-side and low-side FETs, enabling it to support a range of charging topologies. It also has a RISC-based MCU, giving it the flexibility to support a variety of charging strategies, including constant-current/constant voltage, jeito-boost, pre-charge and trickle charge.

The integrated circuit also offers temperature sensing and safety features. It supports additional temperature sensing via an NTC thermistor or even an external ADC-connected temperature sensor, enabling it to monitor the battery’s temperature and react accordingly. The MP26060EQ-LF-Z also supports over-voltage, over-current, short circuit, and under-voltage protection. This ensures that the battery is not damaged by any abnormal conditions.

Working Principle

The MP26060EQ-LF-Z operates by using buck-boost and current-limit charging techniques. In a buck-boost configuration, the buck converter steps down the input voltage while the boost converter steps up the output voltage. This allows the circuit to maintain a constant output voltage even when the input voltage varies. The current limit charging technique limits the charge current rest of the battery and protects it from over-charging. This is done by monitoring the battery’s voltage, temperature, and charge current. When the battery’s voltage or temperature exceeds the programmed threshold, the charge current is automatically limited to protect the battery.

The MCU also allows the MP26060EQ-LF-Z to support various charging strategies such as power-path, optimized charge, and trickle charge. In power-path mode, the battery is kept in the highest state of charge that the input power source can supply. The optimized charge mode and the trickle charge mode ensure that the battery does not suffer from over-charging or under-charging. They also help extend the lifetime of the battery by maintaining it in a healthy state.

The MP26060EQ-LF-Z is an excellent choice for battery powered applications. It provides an efficient and safe charging solution for a wide range of batteries. It also allows for great flexibility, as it can be configured to support various charging strategies. This ensures that the battery is kept in a healthy state, thereby extending its lifetime.

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