The TSM1052-5HD from STMicroelectronics is a highly integrated solution designed to manage both the voltage and current parameters for battery chargers and adapters. This versatile controller combines a voltage reference, two op-amps (with OR-ed open-drain outputs), and a low-side current sensing circuit in one compact package. It's engineered to deliver precision and reliability for a wide range of power supply applications.

Key Features

• Precision Voltage Reference: The TSM1052-5HD boasts a precise internal voltage reference of 2.5V, ensuring accurate voltage regulation for the connected load.
• Dual Operational Amplifiers: With two built-in op-amps, this controller can simultaneously manage voltage control feedback and current monitoring, providing a dual-functionality that simplifies circuit design.
• Current Sense: The device integrates a low-side current sensing circuit, which allows for real-time current measurement and control, essential for protecting the circuit from overcurrent conditions.
• High Drive Capability: The open-drain outputs of the op-amps can be OR-ed together, enabling a high drive capability for directly driving a power MOSFET.
• Low Quiescent Current: Designed with power efficiency in mind, the TSM1052-5HD features a low quiescent current, reducing power consumption when the device is in standby mode.
• Wide Operating Voltage Range: This controller operates across a broad voltage range, accommodating various power supply specifications and ensuring compatibility with a wide array of devices.

Applications

The TSM1052-5HD is suitable for a multitude of applications, including:

• Battery Chargers
• Switching Power Supplies
• Power Adapters
• Overcurrent Protection Circuits

Whether you're designing a sophisticated battery charger or a simple power adapter, the TSM1052-5HD from STMicroelectronics offers the precision, integration, and efficiency needed to create a reliable and high-performing power management system.