Abstract: LED light bar network current foldback circuit comprises: voltage reference module, voltage division and sampling module, comparison module. Power supply voltage passes through voltage reference module, generates voltage reference to voltage division and sampling module and comparison module; voltage division and sampling module performs voltage division on voltage reference, and outputs reference voltage to comparison module, which further receives detection voltage from converting detection current of LED light bars, before comparing with reference voltage; if detection voltage is greater than reference voltage, comparison module outputs driving stop command to control LED light bars to stop working. LED light bar network current foldback circuit controls driving circuit to stop working after current of LED light bars, or constant output current, increases abnormally, protecting LED light bars effectively, avoiding high screen body maintenance cost from LED light bars damaging.

Abstract: LED light bar network current foldback circuit comprises: voltage reference module, voltage division and sampling module, comparison module. Power supply voltage passes through voltage reference module, generates voltage reference to voltage division and sampling module and comparison module; voltage division and sampling module performs voltage division on voltage reference, and outputs reference voltage to comparison module, which further receives detection voltage from converting detection current of LED light bars, before comparing with reference voltage; if detection voltage is greater than reference voltage, comparison module outputs driving stop command to control LED light bars to stop working. LED light bar network current foldback circuit controls driving circuit to stop working after current of LED light bars, or constant output current, increases abnormally, protecting LED light bars effectively, avoiding high screen body maintenance cost from LED light bars damaging.

Abstract: The present disclosure discloses a switching power supply and a television. The switching power supply includes a constant-current switch circuit, a first single stage PFC circuit, a first transformer, a constant-current feedback circuit, a constant-voltage switch circuit, a second single stage PFC circuit and a second transformer; the constant-current feedback circuit samples a current outputted by the first transformer, and feeds back the sampled current to the first single stage PFC circuit; the first single stage PFC circuit outputs a switch signal, and drive the constant-current switch circuit to be turned on or off, so as to control a load current to be constant according to the sampled current; the second single stage PFC circuit outputs a switch signal and drive the constant-current switch circuit to be turned on or off.

Abstract: A constant voltage and current synchronic output power supply and a television are disclosed. The constant voltage and current synchronic output power supply comprises a transformer for supplying power to LED loads, a conversion circuit for converting an inputted AC power supply to a DC square wave power supply that is provided to the transformer, a PWM control circuit for driving the transformer, a constant voltage control circuit and a constant current control circuit, the transformer comprises a constant voltage output winding and a constant current output winding, wherein the constant voltage control circuit is configured for sampling voltages outputted by the constant voltage output winding then transferring the sampled voltages into the corresponding signals that are feedbacked to the PWM control circuit, to perform constant voltage control on the output voltage of the transformer.

Abstract: A switched-mode power supply and an associated television are disclosed. The switched-mode power supply includes a rectifier circuit, a transformer, a constant voltage control circuit, a power management circuit, and a constant current control circuit. An output terminal of the rectifier circuit is coupled both to a power detection terminal of the power management circuit and to a power input terminal of the transformer. A controlled terminal of the transformer is coupled to a control terminal of the power management circuit. A constant voltage output winding of the transformer is coupled through the constant voltage control circuit to a feedback input terminal of the power management circuit. A constant current output winding of the transformer is coupled to the constant current control circuit via an LED load. The solution of the present disclosure has the advantage of low cost.

Abstract: A constant output circuit is disclosed that includes a power supply circuit, a LM-FOT control circuit, a switching circuit and a transformer. Output ends of the power supply circuit are respectively connected with a first input end of the LM-FOT control circuit and an end of a primary winding of the transformer. A controlling end of the LM-FOT control circuit is connected with a controlled end of the switching circuit. A second input end of the LM-FOT control circuit is connected with an output end of the switching circuit. An input end of the switching circuit is connected with the other end of the primary winding of the transformer. An end of a secondary line winding of the transformer is configured for outputting constant voltage signals. Another end of the secondary line winding of the transformer is grounded.

Abstract: A switched-mode power supply and an associated television are disclosed. The switched-mode power supply includes a rectifier circuit, a transformer, a constant voltage control circuit, a power management circuit, and a constant current control circuit. An output terminal of the rectifier circuit is coupled both to a power detection terminal of the power management circuit and to a power input terminal of the transformer. A controlled terminal of the transformer is coupled to a control terminal of the power management circuit. A constant voltage output winding of the transformer is coupled through the constant voltage control circuit to a feedback input terminal of the power management circuit. A constant current output winding of the transformer is coupled to the constant current control circuit via an LED load. The solution of the present disclosure has the advantage of low cost.

Abstract: A constant voltage and current synchronic output power supply and a television are disclosed. The constant voltage and current synchronic output power supply comprises a transformer for supplying power to LED loads, a conversion circuit for converting an inputted AC power supply to a DC square wave power supply that is provided to the transformer, a PWM control circuit for driving the transformer, a constant voltage control circuit and a constant current control circuit, the transformer comprises a constant voltage output winding and a constant current output winding, wherein the constant voltage control circuit is configured for sampling voltages outputted by the constant voltage output winding then transferring the sampled voltages into the corresponding signals that are feedbacked to the PWM control circuit, to perform constant voltage control on the output voltage of the transformer.

Abstract: A constant output circuit is disclosed that includes a power supply circuit, a LM-FOT control circuit, a switching circuit and a transformer. Output ends of the power supply circuit are respectively connected with a first input end of the LM-FOT control circuit and an end of a primary winding of the transformer. A controlling end of the LM-FOT control circuit is connected with a controlled end of the switching circuit. A second input end of the LM-FOT control circuit is connected with an output end of the switching circuit. An input end of the switching circuit is connected with the other end of the primary winding of the transformer. An end of a secondary line winding of the transformer is configured for outputting constant voltage signals. Another end of the secondary line winding of the transformer is grounded.

Abstract: A storage array, a storage system, and a data access method. A data access method of a storage device includes: transferring data input from a user interface chip to a non-volatile storage device through a peripheral component interconnect express (PCIE) link, where the user interface chip and the non-volatile storage device are connected to the PCIE link, and the non-volatile storage device includes a memory and a non-volatile storage medium; writing the data to the memory of the non-volatile storage device; and writing the data written in the memory of the non-volatile storage device to the non-volatile storage medium. The technical solutions provided by the embodiments of the present disclosure are advantageous for reducing occupation of PCIE links due to data access and improving system performance.

Abstract: A storage array, a storage system, and a data access method. A data access method of a storage device includes: transferring data input from a user interface chip to a non-volatile storage device through a peripheral component interconnect express (PCIE) link, where the user interface chip and the non-volatile storage device are connected to the PCIE link, and the non-volatile storage device includes a memory and a non-volatile storage medium; writing the data to the memory of the non-volatile storage device; and writing the data written in the memory of the non-volatile storage device to the non-volatile storage medium. The technical solutions provided by the embodiments of the present disclosure are advantageous for reducing occupation of PCIE links due to data access and improving system performance.

Abstract: A storage array, a storage system, and a data access method. A data access method of a storage device includes: transferring data input from a user interface chip to a non-volatile storage device through a peripheral component interconnect express (PCIE) link, where the user interface chip and the non-volatile storage device are connected to the PCIE link, and the non-volatile storage device includes a memory and a non-volatile storage medium; writing the data to the memory of the non-volatile storage device; and writing the data written in the memory of the non-volatile storage device to the non-volatile storage medium. The technical solutions provided by the embodiments of the present disclosure are advantageous for reducing occupation of PCIE links due to data access and improving system performance.