SRK2000DTR

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The SRK2000DTR is a Power Management IC (PMIC) from STMicroelectronics that offers robust power supply control and monitoring. It features a high efficiency switching regulator with current and voltage protection, along with load switch control and low voltage detection. This versatile IC is designed for low power, single cell Li-Ion battery-powered application. It can operate from input voltage as low as 2V and can achieve maximum output current of 500mA.

Part of STMicroelectronics\' successful Smartreset family, SRK2000DTR has an integrated circuit protection mechanism that guards the device and its components against overvoltage, overcurrent and short circuit. It also provides short and thermal circuit protection, programmable soft start and low-battery disturbance management. Additionally, SRK2000DTR has built-in programmable and non-volatile options that can be configured to meet different application requirements.

The SRK2000DTR offers three load switches, two of which can be independently controlled by external signals. These combined with the main power switch enables wide applications from battery/alternative sources to DC/DC charger. The battery connection is protected from reverse voltage, and the integrated power switch offers reverse power protection for the load. SRK2000DTR also offers excellent thermal protection, through its over-temperature monitoring, alarm and shutdown features.

This part of the Smartreset family features an ultra-fast PWM controller and a wide input voltage range (1.8V to 5V) that ensures high efficiency and fast start-up in any condition. It is optimized to be used as a battery charger, and its fast transient response makes it suitable for controlling high-current applications. SRK2000DTR also offers a dual-phase control mode where two phases can be connected in parallel, allowing for current sharing between them. This helps to reduce device size and power dissipation.

The SRK2000DTR also provides power-on-reset (POR) functionality. It will detect power-up and power-down condition, providing an internal reset that quickly follows power-up. This ensures the device remains safe and stable during power sags and transients. Furthermore, the POR circuit will also detect overvoltage and brown-out conditions, and respond by resetting the device.

The SRK2000DTR is ideal for a wide range of low-power and battery-powered applications, from medical to automotive and consumer electronics. It features thermal monitoring and protection, and is ECC (Electronic Component Certification) compliant from 0 to 85°C. By integrating the robust power control and protection of the SRK2000DTR, the overall design of the system can be simplified. It also has a low solution footprint, helping to reduce PCB real estate and saving space.

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