CL1501 Datasheet – Non-isolated Buck Offline LED Driver

This is one of the LED Driver types.

Part Number: CL1501

Function: Non-isolated Step-Down LED Constant Current Driver

Package: SOP-8 Pin Type

Manufacturer: Chiplink ( www.chiplink-tech.com )

See the preview image and the PDF file for more information.

Image
cl1501-datasheet-pinout

 

Description

CL1501 is a high performance step-down constant current driver IC, can achieve high precision constant current LED driver. The chip works in the inductor current Pro Continuous mode (TM), the working voltage covering 85Vac ~ 265Vac. Integrated 500V power devices within the chip, peripheral applications without auxiliary winding inspection Measurement and power supply to achieve high precision constant current, greatly reducing the external cost.

CL1501 has a variety of constant current auxiliary function, to achieve excellent linear compensation and high precision constant current effect. CL1501 work in the critical continuous inductor current Mode (TM), the output current does not change with the change in inductance and load, with excellent load regulation characteristics.

CL1501 integrates a variety of protection features, greatly enhancing the reliability of the system. Protection features include LED open-circuit protection, LED short-circuit protection, and under-voltage protection Voltage lock, current sampling resistor short-circuit protection and over-temperature regulation.

 

CL1501 pinout

cl1501-application-circuit

 

Features

1. Wide input voltage
2. ± 5% LED output current accuracy
3. Internal integrated 500V power tube
4. chip ultra-low operating current
5. Inductor current critical continuous mode (TM)
6. No auxiliary winding
7. Excellent line voltage regulation and load regulation
8. LED on / short circuit protection
9. current sampling resistor short-circuit protection
10. Undervoltage Lockout (UVLO)
11. Over temperature adjustment function

 

CL1501 Datasheet

 

 

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BP2836D Datasheet – Non-isolated Buck Offline LED Driver

Part Number: BP2836D

Function: Non-isolated Buck Offline LED Driver

Package: DIP 8 Pin Type

Manufacturer: BPS Confidential ( www.bpsemi.com )

Image:

BP2836D image

Description

The BP2836D is a high precision buck constant current LED driver. The device operates in critical conduction mode and is suitable for 85Vac~265Vac universal input offline LED lighting. The BP2836D integrates a 500V power MOSFET. With patent pending MOSFET driving technique, the operating current of the IC is very low . So it doesn’t need the auxiliary winding for supplying the chip. It can achieve excellent constant current performance with very few external components, so the system cost and size are minimized.

The BP2836D utilizes patent pending current control method. It can achieve precise output current and excellent line regulation. The driver operates in critical conduction mode, the output current does not change with the inductance and LED output voltage.

Pinout

BP2836D datasheet pinout

Features

1. Critical Conduction Mode Operation
2. Internal 500V Power MOSFET
3. No Auxiliary Winding
4. Ultra Low Operating Current
5.  ±5% LED Output Current Accuracy

Applications

1. LED Tube
2. LED Ceiling Light
3. LED Bulb
4. Other LED Lighting

BP2836D Datasheet PDF

BP2836D pdf

 

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