S-1003CB33I-I6T1U

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Power management integrated circuits (PMICs) are essential components used in modern consumer electronics and industrial systems. PMICs help manage a variety of power requirements, including voltage regulation, hot spotting, battery charging, and thermal monitoring. These active components optimize system power states to save energy, increase product life, and improve system performance. In order to meet the power management needs of different applications and achieve the best system performance, designers need to clearly understand the different PMIC solutions and their performance in a system.

One of the key categories in PMICs is Supervisors, which are often used in circuit designs because they can provide CPU reset, power failure protection, and system control capabilities. Specifically, S-1003CB33I-I6T1U is a compact Supervisors IC providing power supply and reset functions. Compared to traditional solutions, S-1003CB33I-I6T1U has a smaller package and higher protection level, which can provide fast response in harsh operating environments, better reliability, and more efficient system power management performance.

Application Field

S-1003CB33I-I6T1U is typically used in portable consumer electronics, such as smartphones, tablets, and wearables, as well as industrial and automotive systems. The charger IC provides several protection functions including input over-voltage, output over-current, and battery over-temperature protection. It also supports OTP for custom IoT solutions. The S-1003CB33I-I6T1U’s external over-temperature protection, precise voltage/current threshold protection, and low power-on reset prevent system malfunctions and data loss in power supply conditions even when the system is powered down.

Working Principle

The S-1003CB33I-I6T1U has an integrated dynamic voltage scaling (DVS) circuit. This circuit works by controlling the power supply voltage based on the processor\'s workload, frequency, and temperature to provide more precise voltage regulation. This not only helps improve system performance, but can also reduce energy usage in low-power standby states. The circuit also provides protection against overvoltage and overcurrent conditions.

Moreover, S-1003CB33I-I6T1U’s reset functions can be connected with system power stages to quickly detect voltage changes and generate resets automatically when necessary. The IC also supports the soft start function for smooth system boot and supports multiple reset inputs for system controllers. The reset output can also remind users of system faults such as short circuit, over-voltage, and over-temperature protection.

In addition, the S-1003CB33I-I6T1U supports the on-time power-on (OTPOA) function, which is an advanced system protection feature. When enabled, OTPOA allows the user to set the time limit for system boot attempts. This can prevent the system from endlessly trying to boot which would eventually drain the battery.

S-1003CB33I-I6T1U is a cost-effective, low-power Supervisors IC specifically designed for mobile, automotive, and industrial applications. It has 4.5V~14V operation voltage range and features a small package size with extended output voltage range, fast response time, precise voltage/current threshold protection, and low-power reset signal. The IC is ideal for applications that require comprehensive system power management and protection.

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