UCC3946DTR

The UCC3946DTR is a highly integrated power management IC designed for use in battery-powered applications. It features a single-cell Li-ion/Li-polymer battery charger and a power path management system. The device provides efficient charging with a maximum charge current of up to 1A and supports various charging profiles, including constant current/constant voltage (CC/CV) regulation.
Key features include thermal regulation, battery temperature monitoring, and a low quiescent current, making it suitable for portable devices. The UCC3946DTR also incorporates safety features such as overvoltage protection and short-circuit protection, ensuring reliable operation.
It operates with an input voltage range suitable for USB and wall adapter sources, and its compact package allows for space-efficient designs. This device is ideal for designers looking to enhance battery management in smartphones, tablets, and other portable electronics.

The UCC3946DTR is a high-performance voltage regulator from Texas Instruments, primarily designed for power management applications. Key features include:
1. Dual Output: It provides two outputs with adjustable voltage levels, suitable for powering multiple components.
2. Low Quiescent Current: It operates with minimal standby current, enhancing efficiency, especially in battery-powered devices.
3. High Efficiency: Designed for efficient energy conversion, reducing heat generation.
4. Wide Input Voltage Range: Accepts a wide input voltage range, making it versatile for various applications.
5. Thermal Protection: Includes thermal shutdown features to prevent overheating.
6. Current Limiting: Implements current limiting to protect against overload conditions.
7. Compact Package: Available in a small form factor, making it suitable for space-constrained designs.
8. Enhanced Stability: Offers excellent transient response and stability under varying load conditions.
These features make the UCC3946DTR ideal for applications in portable devices, industrial equipment, and other electronic applications requiring reliable power management.

The UCC3946DTR is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package).

The UCC3946DTR is a power management integrated circuit (IC) designed for battery and power supply applications. It comes in a 16-pin TSSOP package.
Pin Count: 16 pins
Functions:
1. Voltage Reference: Provides a stable reference voltage for regulation.
2. Error Amplifier: Compares the output voltage to the reference voltage for feedback control.
3. PWM Controller: Generates pulse-width modulation signals to control switching regulators.
4. Current Limit: Monitors output current to prevent overcurrent conditions.
5. Soft Start: Gradually increases output voltage to avoid inrush current.
6. Shutdown Control: Allows the IC to enter a low-power state when not in use.
7. Compensation Pins: Used for external compensation to stabilize the control loop.
These features make the UCC3946DTR suitable for various applications, including power supplies for computers and consumer electronics.

The UCC3946DTR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments specializes in designing and producing a wide range of analog and digital electronic components, including integrated circuits (ICs), microcontrollers, and processors. Established in 1930, the company is renowned for its innovative solutions in various sectors, including automotive, industrial, communications, and consumer electronics. TI is particularly recognized for its expertise in analog technology and embedded processing, making it a key player in the electronics industry.

The UCC3946DTR is a high-performance power management IC primarily used in battery management systems, particularly for lithium-ion and lithium-polymer battery applications. It facilitates battery charging, monitoring, and protection, ensuring safe operation and extended battery life. Key application areas include portable electronics, electric vehicles, renewable energy systems, and uninterruptible power supplies (UPS). Its versatility allows integration into various energy-efficient designs and provides features like over-voltage, under-voltage, and temperature protection.

The UCC3946DTR is a PWM controller used in power management applications. Equivalent products include the TL494, SG3525, and LM5030. These alternatives offer similar functionalities for voltage regulation and power control. Always check specific datasheets to ensure compatibility with your design requirements.