STMicroelectronics

A7987TR

The A7987TR is a highly-integrated single-chip solution designed by STMicroelectronics for USB charging and power management in battery-powered applications. Here's a brief description, features, and applications of the A7987TR:

Description:

The A7987TR is a USB charging controller that integrates a USB host and device interface, a power switch, and a linear voltage regulator. It is designed to provide efficient and reliable power management for battery-powered devices, such as smartphones, tablets, and portable media players.

Features:

1. Integrated USB Host and Device Interface: The A7987TR features a USB host and device interface that allows it to communicate with a USB host or device for charging and power management purposes.
2. Power Switch: The A7987TR includes a power switch that can be used to control the flow of power to the connected device.
3. Linear Voltage Regulator: The A7987TR includes a linear voltage regulator that provides a stable output voltage to the connected device.
4. Charging Status Indicator: The A7987TR provides a charging status indicator that can be used to inform the user of the charging status of the connected device.
5. Overcurrent and Overvoltage Protection: The A7987TR includes overcurrent and overvoltage protection features to protect the connected device from power surges and voltage spikes.
6. Small Package Size: The A7987TR is available in a compact package size, making it suitable for use in space-constrained applications.

Applications:

1. Smartphones and Tablets: The A7987TR can be used in smartphones and tablets to provide efficient and reliable USB charging and power management.
2. Portable Media Players: The A7987TR can be used in portable media players to provide efficient and reliable USB charging and power management.
3. Power Banks: The A7987TR can be used in power banks to provide efficient and reliable USB charging and power management.
4. Wearable Devices: The A7987TR can be used in wearable devices, such as smartwatches and fitness trackers, to provide efficient and reliable USB charging and power management.

In summary, the A7987TR is a highly-integrated single-chip solution for USB charging and power management in battery-powered applications. It features an integrated USB host and device interface, a power switch, a linear voltage regulator, a charging status indicator, and overcurrent and overvoltage protection. The A7987TR is suitable for use in a wide range of applications, including smartphones, tablets, portable media players, power banks, and wearable devices.