PT6523P

DC-DC converters are electrical circuits used to convert a given DC (direct current) input voltage to a desired target DC voltage. The PT6523P is a 10-channel integrated power module designed to convert and regulate a single DC input power source into 10 individually adjustable and regulated output voltages, meeting the requirements of embedded system applications. PT6523P is well suited for automotive, industrial and consumer applications. It is the ideal solution for end customers in need of a low-cost, high-efficiency, high-density, and multi output DC-DC converter.

Features of PT6523P

• Regulated Output Voltage range: 0.8V to 3.3V
• Choice of step-down or step-up Synchronous Rectification topology, providing up to 96% efficiency
• High-accuracy 2%-3% regulation for all output voltages
• Input Voltage range: 4.7V to 18V
• Up to 10 individual output voltages
• Total output current of 2A and up to 1A per channel
• External PMBus programming
• CISPR25 conventional EMI filter

Coupled with its advanced design, the PT6523P also features an integrated cascade circuit that allows for every output channel to be adjusted accurately. It ensures that the correct output voltage is maintained throughout a wide operating temperature range and allows for the power supply to be controlled through a simple protocol for optimal safety and efficiency.

Working Principle of PT6523P

The PT6523P is designed to convert a single input voltage from a power source to multiple, individually adjustable and regulated output voltages. It utilizes a switching regulator topology to convert the DC input voltage to a stepped down or stepped up DC voltage. The output voltage is regulated via error amplifiers which monitor the input voltage level and adjusts the output voltage accordingly.

When power is applied, an internal switch is engaged and the input voltage is applied to a buck-boost or step-down converter, generating a regulated output voltage. The output of this step is then routed to an electronic switch which is triggered on and off at a high frequency to create the desired output voltage. The error amplifier monitors the output voltage and adjusts the duty cycle of the electronic switch accordingly, ensuring the output voltage remains stable.

The PT6523P has built-in over-temperature and short-circuit protection. When an output over-temperature occurs, the fault protection circuitry disconnects the output voltage from the load and will switch it back when the temperature goes down. Additionally, the short-circuit protection circuitry operates similar to the over-temperature protection but will be initiated if the output voltage is short circuit. If the output voltage is short-circuited for more than 2 seconds, the output is disconnected until the fault protection circuit is reset.

Applications of PT6523P

The PT6523P is the ideal solution for applications requiring multiple regulated voltages from a single input. It can be used in automotive, industrial and consumer applications, such as digital media players, networking equipment, battery-powered systems, gaming consoles, media and user interface components, and automotive systems.

It is also well suited for applications that require high current output with low noise. The PT6523P offers up to 10 regulated output voltages that can be individually programmed through a simple protocol. With its high accuracy, efficiency, and high density, the PT6523P is the optimal solution for high-performance, multi output DC-DC conversion needs.