UCC3957MTR-2G4

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The UCC3957MTR-2G4 is a highly integrated monolithic power integrated circuit (PMIC) optimized for battery management systems. It is designed for use in applications such as portable devices, laptop and cell phones. The device integrates a high-performance dual-mode integrated driver with one comparator and a single resistor as well as a low-side power MOSFET.

The UCC3957MTR-2G4 features a wide input voltage range from 5V to 24V, a low threshold voltage of 2.6V, and a fast response time of 1µs. The device also features an adjustable output voltage range from 8V to 12V and a programmable current limit of up to 4A.

The device is used in battery management systems to control the recharge process of the battery. It has an integrated driver that is capable of producing the necessary switching waveforms for charge control, thus allowing the recharge current to be controlled and protecting the battery from overcharge. The device also features a programmable current limit that allows the user to limit the current to any desired level according to the specific battery characteristics.

The UCC3957MTR-2G4 also has integrated comparator that triggers a fault interrupt signal whenever the battery voltage exceeds the pre-programmed threshold voltage level. This can be used to alert the system that the battery is low on charge and needs to be recharged. The device also has a single resistor that can be used to enable a low cost power MOSFET. The MOSFET can be used to disconnect the load from the battery when the voltage is low so that the system is protected from over discharge. The device also features a power up and power down sequence. When the power up sequence is triggered, the device can be programmed to immediately charge the battery as soon as it is connected.

The UCC3957MTR-2G4 is an ideal solution for applications such as personal electronics, medical equipment, automotive, industrial and consumer portable systems. It features high efficiency, low power dissipation, robustness, wide voltage and current range, low standby current and fast response. The device also has an adjustable current limit that can be programmed according to the battery characteristics. This makes the device suitable for use in a wide variety of applications.

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