PSR Controller - Suzhou Jiyuan Electronic Technology Co., Ltd.

Flyback Topology Converter Controller

Jiyuan can provide flyback converters integrated with BJT for power applications below 24W and integrated with MOSFET for power applications 30W and below, which greatly simplifies the circuit design.
At the same time, Jiyuan can also offer flyback controllers for power applications ranging from 30W to 150W.

Our flyback converter products are divided into two series: the primary-side controlled flyback series and the secondary-side controlled flyback series.
Primary-side controlled flyback series products eliminate the need for optocouplers and secondary-side feedback devices, which can greatly reduce the number of components used and the size of the overall solution.
Secondary-side controlled flyback series products can provide higher precision and faster transient response.

How to Choose Between Primary-side and Secondary-side Controller Series

The primary-side controlled flyback series adopts transformer winding for voltage sampling, eliminating the need for optocouplers and secondary-side voltage sampling circuits. This can greatly reduce the number of components used, minimize the solution size, and optimize the cost to the maximum extent.
However, precisely because of the transformer coupling method, its regulation accuracy is inferior to that of secondary-side control. In addition, the voltage drop of the secondary-side diode will cause inconsistency between the output voltage and the sampling voltage. Meanwhile, the dynamic performance of primary-side control is also not as good as that of secondary-side control. Generally speaking, primary-side control is preferred for low-power (<40W) applications with low precision requirements, while secondary-side control is recommended for high-power applications.

PSR Controller Key Features

Low Overall Cost
The primary-side controlled flyback series adopts transformer winding for voltage sampling, thus eliminating the need for optocouplers and secondary-side voltage sampling circuits. This can greatly reduce the number of components, minimize the solution size, and optimize costs to the maximum extent.
Generally speaking, primary-side control is preferred for low-power (<40W) applications with low precision requirements.

Part Number	Shipments State	Features	Output Max Power （90Vac to 264Vac)	Power Siwtching Type	Vcc Operating Range	HV Current Source For Vcc Start	Protection	Package	Application
CR6213C	New Product	Built-in SiC-MOSFET Power Switch	24W to 36W	SiC-MOSFET	13V to 30V	N	Undervoltage lockout (UVLO), VDD overvoltage protection (OVP), soft start, over-temperature protection (OTP), cycle-by-cycle current limiting (OCP), floating protection for all pins, output short-circuit protection, output rectifier diode short-circuit protection, and output overvoltage protection.	SOP-8、ASOP-6	Battery charger power supplies, LED power adapters, and network communication power supplies
CR6213S	New Product	Built-in MOSFET Power Switch	18W to 24W	MOSFET	9V to 30V	N	Undervoltage lockout (UVLO), VDD overvoltage protection (OVP), soft start, over-temperature protection (OTP), cycle-by-cycle current limiting (OCP), floating protection for all pins, output short-circuit protection, output rectifier diode short-circuit protection, and output overvoltage protection	SOP-8	Battery charger power supplies, LED power adapters, network communication power supplies, and auxiliary power supplies
CR6213T	New Product	Built-in MOSFET Power Switch	30W to 36W	MOSFET	9V to 30V	N	Undervoltage lockout (UVLO), VDD overvoltage protection (OVP), soft start, over-temperature protection (OTP), cycle-by-cycle current limiting (OCP), floating protection for all pins, output short-circuit protection, output rectifier diode short-circuit protection, and output overvoltage protection	DIP-8	Battery charger power supplies, LED power adapters , and network communication power supplies
CR5214B	New Product	Built-in BJT Power Switch	12W to 24W	BJT	5V to 20V	N	Cycle-by-cycle peak current limiting, VDD overvoltage protection, FB open-circuit protection, output short-circuit protection, leading-edge blanking, over-temperature protection, power supply clamping, and undervoltage lockout	SOP-8、ASOP-6	Christmas light & LED driver power supplies, network communication power adapters, and portable power chargers
CR6234	Not Recommended for New Product Designs (NRND)	High-Precision CC&CV Primary-Side PWM Controller	18W to 40W	Si-MOSFET	12V to 24V	N	VDD Over-Voltage and Clamping Protection, Secondary Rectifier Diode Short Circuit, Over-Temperature Protection, etc.	SOT-23-6	Portable Digital Charger Power Tool Charger (Under 40W)
CR5213	Not Recommended for New Product Designs (NRND)	No Line Voltage Compensation, Built-in BJT Power Switch	5W to 10W	BJT	10V to 20V	N	VDD Over-Voltage Protection, FB Open-Circuit Protection, Over-Load Protection, Over-Temperature Protection, etc.	SOP-8	Christmas Light Power Supply Low-Cost Low-Power Power Adapter
CR5215	Active Supply	General-Purpose Built-in BJT Power Switch	3.5W to 12W	BJT	5V to 20V	N	Built-in FB open-circuit, short-circuit, output diode open-circuit and short-circuit, overload, over-temperature protection	SOP-7	Christmas Light Power Supply Low-Cost Low-Power Power Adapter
CR6267	Active Supply	High Power Density Built-in MOSFET Power Switch	12W to 24W	MOSFET	12V to 24V	N	Pin Open-Circuit, Short-Circuit, Output Diode Open-Circuit and Short-Circuit, Over-Load, and Over-Temperature Protection	SOP-8	Household Appliances and Power Tools
CR6249	Not Recommended for New Product Designs (NRND)	General-Purpose Built-in MOSFET Switch	5W to 18W	MOSFET	12V to 24V	N	Pin Open-Circuit and Short-Circuit, Output Diode Open-Circuit and Short-Circuit Over-Load Protection, Over-Temperature Protection and Output Over-Voltage Protection	SOP-8 DIP-8	Household Appliances and Power Tools