TL2842BDR Integrated Circuits (ICs)

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The TL2842BDR is a power management integrated circuit (PMIC) developed and released by Texas Instruments, which categorizes this device under Voltage Regulators – DC DC Switching Controllers. This device is a multi-channel DC-DC controller that combines a voltage regulator and a control interface built into the same IC. It supports the requirements of multiple system levels and boosts output performance in several applications such as: automotive, industrial, and consumer.

The TL2842BDR offers power savings while regulating the output current, maintaining a stable and reliable performance. The device is designed to have an adjustable output voltage range of 0.82V to 4.5V and a minimum input voltage of 2.5V. Its core frequency is adjustable between 200kHz and 1.5MHz and the power losses that typically occur in the switching mode are reduced.

The IC has four Enable pins, one Sense pin and one Synchronous pin. Its internal PWM controller modulates the on/off time of each channel and is used to adjust the output voltage. The Enable pins are used to turn each channel on and off. When the Enable pin is 3.3V, the device is turned on, and when the Enable pin is 0V, the device is turned off. The Sense pin is used to adjust the current on each channel. The Synchronous pin is used to synchronize the output signal.

Furthermore, the on-board system control interface uses a two-wire packet-based communication protocol for signal transfer between the system host and the TL2842BDR. This allows for more integrations of the device in various applications. The device also supports Adaptive Dead Time Control (ADTC) which minimizes audible noise and reduces switching losses during normal operation. The built-in thermal overload protection keeps the IC safe working temperature to ensure that the device is stable and reliable.

The TL2842BDR is an ideal device with a range of advanced features suitable for a variety of applications such as: DC-DC controllers, DC-DC converters, DC-DC synchronous buck controllers, consumer and industrial power supply, telecom power supplies, automotive battery management systems and more. Some of the key features include:

• Multi-channel DC-DC controller
• Adjustable output voltage range of 0.82V to 4.5V
• Minimum input voltage of 2.5V
• Core frequency adjustable from 200kHz to 1.5MHz
• Four Enable pins and one Sense pin
• One Synchronous pin for synchronization
• Packet-based communication protocol
• Adaptive Dead Time Control (ADTC)
• Thermal overload protection

The TL2842BDR is suitable for a range of applications and provides a highly efficient and reliable solution. With its wide range of features and adjustable voltage, current, and frequency settings, this device is an ideal fit for various applications.

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