HR1001CGS-Z

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HR1001CGS-Z belongs to AC DC Converters, Offline Switchers category in PMIC (Power Management Integrated Circuit). It is a low-cost, high-efficiency, single-stage offline converter especially suitable for power adapters, chargers, LED lighting, and household appliances.

Its internal topology is a primary-side regulating flyback circuit. A notable feature of the HR1001CGS-Z is that it integrates the primary-side control circuitry, which eliminates the optocoupler and its related components. This reduces materials cost and board size while improving system reliability.

The HR1001CGS-Z includes dual power limit protection. The current limit and overvoltage protection function helps to ensure the lifetime of the power supply, while the overload protection and short-circuit protection ensure a stable output voltage and current.

HR1001CGS-Z has an average efficiency of 70%. It can output up to 25W with a wide input voltage range from Universal (180 ~ 265VAC) to AVS (90 ~ 300VAC). The minimum output current is 20mA and the minimum startup current is 4mA. The operating temperature is -40°C to 105°C.

Let’s look into the working principle of the HR1001CGS-Z. When the power is on, the HR1001CGS-Z will power up and start the detection of the output voltage. The voltage detected by the HR1001CGS-Z is regulated by the primary-side control circuit and then sent as feedback to the power switch for regulation. The HR1001CGS-Z handles overvoltage, current limit and other protections to ensure the system keeps running stably. The power switch then terminates the cycle and enters either the standby or reference state, depending on the load.

In conclusion, the HR1001CGS-Z is a highly reliable, low-cost and efficient single-stage offline converter specially designed for power adapters, chargers, LED lighting and household appliances. Its integrated primary-side control circuitry and comprehensive protections make it a cost-effective and reliable solution.

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