TPS65072RSLT

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The TPS65072RSLT power management integrated circuit (PMIC), also known as a controller, is an integrated system designed to provide optimal performance and reliability while saving energy and lowering operating costs. This PMIC offers a wide range of applications and control solutions, particularly in the specialized power management field. This article will discuss the application field and working principle of the TPS65072RSLT.

TPS65072RSLT Application Field

The TPS65072RSLT primarily functions as a power manager for microcontrollers, providing many advantages to the user. It is ideal for use in automotive and medical equipment, telecommunications and computers, gaming consoles, and in LED lighting solutions. Additionally, this PMIC provides solutions for audio/video equipment, low cost power solutions, and power over Ethernet (PoE) applications. With its accurate, adjustable voltage range of 0.8 to 5.5 volts, it can control a current up to 6.5 amps, making it suitable for a wide variety of applications.

The TPS65072RSLT is capable of operating in both linear and pulse-with-modulation mode. It also has a wide power-management menu that consists of various power-management options such as Auto Sleep/Wake-up, Battery-Reset, and Over Voltage/Temperature Protection. Also, its thermal protection feature helps protect the PMIC from heat damage while its Sleep Timer can be used to delay the device startup after power is applied. Furthermore, the TPS65072RSLT provides output voltage sequencing, voltage tracking in multiple step sizes, and ramp rates. All these features make it suitable for high power saving and reliable power management applications.

TPS65072RSLT Working Principle

The TPS65072RSLT operates based on the principle of pulse width modulation (PWM). PWM is a method of controlling voltage and current by rapidly switching them on and off to produce the required output level. In essence, the TPS65072RSLT uses integrated MOSFETs to achieve voltage regulation and current limiting for the output voltage, which is programmed into the device using the PWM modules. To control the PWM, the TPS65072RSLT uses the control registers, which allow the user to set different threshold levels.

The TPS65072RSLT also employs two levels of over-voltage and over-current protection circuits, providing an added layer of safety during operation. The first level of protection is a voltage supervisor circuit, which monitors the output voltage and compares it with a preset voltage threshold set in the device. If the output voltage exceeds this threshold, the device shuts off the output until the voltage is corrected. The second level of protection, the current limit protection circuit, monitors the current draw of the system and shuts off the output voltage if the current exceeds the preset limit.

In addition to PWM and protection circuitry, the TPS65072RSLT also offers several advanced features such as batter charging and system status monitoring. The battery charging logic can be programmed according to the user’s specific charging requirement, and it supports rechargeable batteries, as well as non-rechargeable batteries such as CR123 and CR2. The system status monitoring module can be used to monitor the voltage, current, and temperature of the system and can be programmed to generate an interrupt when any of these parameters reach critical levels.

Conclusion

The TPS65072RSLT is a specialized PMIC designed for applications requiring efficient power management. Its integrated PWM and protection circuits make it suitable for use in a wide range of high power, reliable power management applications, including medical and automotive equipment, telecommunication and computing systems, gaming consoles, and LED lighting solutions. Additionally, its battery charging logic and system status monitoring features provide added safety and reliability during operation.

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