XLSEMI Primary Agent BOOST constant current drive IC XL6005
- Model：
- XL6005
- Brand：
- XLSEMI
- Batch No：
- XL6005,XL6005E1,芯龙XLSEMI,升压LED驱动芯片,20W升压恒流,16串LED驱动,太阳能灯驱动,车载LED驱动,LED路灯电源,DC/DC升压恒流芯片
- Desc：
- XL6005 is XLSEMI step-up DC-DC constant current LED driver IC, 3.6~32V input, 4A switch, 60V output, drives 16×1W LEDs in series. Dual PWM dimming (EN/FB), TO252-5L. GSMicro: XLSEMI authorized distributor, in stock, samples & 20W boost solutions.
- Stock：
- 100000 PCS
XL6005 High‑Voltage Step‑Up Constant‑Current LED Driver Solution | Technical Specification & Design Guide
XL6005 is a fixed‑frequency 180KHz PWM step‑up DC‑DC constant‑current LED driver IC developed by XLSEMI (Shanghai Core‑Long Semiconductor Technology Co., Ltd). Manufactured with HVBCD process and integrating internal power MOSFET, it accepts 3.6V‑32V input and can be directly powered by lithium‑ion batteries at low‑voltage conditions. The maximum switch current reaches 4A with maximum boost output up to 60V, which drives up to 16 pieces of 1W LEDs connected in series. Integrated peripherals include soft‑start, output over‑voltage protection, over‑current protection and thermal shutdown. Both EN enable pin and FB feedback pin support PWM dimming. LED output current is set by external RCS sense resistor following formula Iout=0.22V/RCS. It achieves peak conversion efficiency up to 95%. Fewer external components reduce BOM cost, making it well‑suited for high‑power LED lighting applications such as automotive LED lamps, solar‑powered lights, LED street lights and low‑voltage spotlights.
※ Note: The maximum number of series‑connected LEDs varies with VIN supply voltage. Up to 16pcs 1W LEDs can be fully loaded when VIN≥8V. Stable driving for 16 LEDs with total 20W power under VIN=24V condition. Recommended PWM dimming frequency:100‑300Hz, dimming signal: high level 5V, low level 0V.
Product Description: Housed in TO252‑5L package, XL6005 is XLSEMI high‑voltage step‑up constant‑current LED driver IC with fixed 180KHz PWM oscillator and integrated power MOSFET without external MOS requirement. LED constant‑current is configured by RCS sense resistor. 0.22V low reference voltage minimizes sense power loss and improves overall efficiency. Integrated output open‑circuit OVP prevents device damage caused by LED open‑circuit fault. EN pin implements power‑on soft‑start and on/off control; FB pin accepts PWM dimming signal. This compact solution works well with lithium‑battery, 12V /24V DC power supply, and is widely adopted in solar lighting, automotive LED lamps, LED street lamps, LCD TV backlight, high‑power flashlights and other high‑power constant‑current LED driving scenarios. Related family parts: XL6001,XL6003,XL6004,XL6006.
XL6005@20W Step‑Up Constant‑Current Driver Application Package.rar
XL6005 Ordering Information / Package & Packing Specification
| Part Number | Marking Code | Package | Packing |
|---|---|---|---|
| XL6005E1 | XL6005E1 | TO252‑5L | 2500pcs / Tape & Reel |
Key Product Advantages
● Wide input 3.6V‑32V, compatible with lithium‑ion battery, 12V / 24V DC power supply
● Max switch current 4A, driving power 0‑20W, maximum boost voltage 60V
● 0.22V low reference voltage for sense‑loss reduction, peak efficiency up to 95%
● Built‑in soft‑start, output over‑voltage, over‑current and over‑temperature protection
● Dual‑pin PWM dimming support via EN and FB for flexible adaptation to multiple systems
● Step‑up topology supporting up to 16 series‑connected 1W LEDs with single chip
● Integrated power MOSFET, minimal external BOM components for mass‑production simplicity
Key Electrical Parameters
| Parameter | Typical Value | Unit |
|---|---|---|
| Input Voltage Range | 3.6~32 | V |
| Max Output Voltage | 60 | V |
| Max Switch Current | 4 | A |
| Switching Frequency | 180 | KHz |
| Current‑Sense Reference Voltage | 0.22 | V |
| Max Driving Power | 20 | W |
| Peak Conversion Efficiency | 95 | % |
| Dimming Method | EN / FB PWM Dimming | -- |
Pin Definition
| Pin No. | Pin Name | Function Description |
|---|---|---|
| 1 | EN | Chip enable pin; chip ON when voltage＞1.4V, chip OFF when＜0.8V, supports PWM dimming |
| 2 | FB | Feedback pin for PWM dimming; device OFF above 1V, device ON below 0.3V |
| 3 | VIN | Power supply input pin |
| 4 | SW | Power‑switch output pin, connect to power inductor |
| 5 | GND | Signal ground & power ground |
Internal Block Diagram
Typical Application Circuit
This schematic is standard step‑up constant‑current reference design for XL6005. LED output current Iout=0.22V/RCS is configured by RCS sense resistor. EN pin handles enable / soft‑start function; FB pin receives PWM dimming signal. Divider resistors at output set OVP threshold to avoid component damage under LED open‑circuit fault. This reference design fits solar lights, automotive LED lamps, LED spotlights, street‑lights and other high‑power LED constant‑current driving applications.
Maximum Series LED Reference Table:
VIN=5V : Max 8pcs of 1W LEDs
VIN=6V : Max 9pcs of 1W LEDs
VIN=7V : Max 12pcs of 1W LEDs
VIN≥8V : Max 16pcs of 1W LEDs
VIN=24V : Max 16pcs LEDs @ total 20W power rating
Application Scenarios
● Automotive LED lamps, car taillight, low‑voltage LED spotlights, halogen‑lamp replacement
● LED street lights, solar‑powered lamps, high‑power LED flashlights
● LED decorative lighting, LED emergency lamps, safety‑voltage industrial lighting
● LCD TV backlight, LED backlight driver modules
XLSEMI Step‑Up Constant‑Current Driver Family Comparison
| Model / Parameter | XL6001 | XL6003 | XL6004 | XL6005 | XL6006 |
|---|---|---|---|---|---|
| Input Voltage(V) | 3.6~32V | 3.6~32V | 3.6~32V | 3.6~32V | 3.6~32V |
| Max Switch Current | 2A | 3A | 3A | 4A | 4A |
| Max Output Voltage | 60V | 60V | 60V | 60V | 60V |
| Topology | Step‑up Constant‑Current | Step‑up Constant‑Current | Step‑up Constant‑Current | Step‑up Constant‑Current | Step‑up Constant‑Current |
| Dimming | PWM | PWM | PWM | PWM | PWM |
| Package | TO252‑5L | TO252‑5L | TO252‑5L | TO252‑5L | TO252‑5L |
Alternative Selection & Comparison
XL6005 is a high‑power step‑up constant‑current LED driver IC, optimized for applications requiring voltage boost and multi‑series LED strings. It can replace some discrete‑component constant‑current circuits.
● Advantage1: Integrated power MOSFET, no external power MOS required, simplified peripheral circuit
● Advantage2: Up‑to‑60V output, supports up to 16pcs 1W LEDs in series, driving more LED strings than competing devices
● Advantage3: Comprehensive built‑in protections: soft‑start, OVP, OCP, thermal shutdown for enhanced system reliability
● Advantage4: 3.6V low‑voltage startup, lithium‑battery friendly for solar‑powered system solutions
● Advantage5: Up to 95% peak conversion efficiency, reduces overall system heat generation
Brand Agency & Service
GSMicro(Shenzhen) Co., Ltd is authorized first‑tier distributor for XLSEMI. We distribute full series of XL6001 / XL6003 / XL6004 / XL6005 / XL6006 step‑up constant‑current LED drivers, delivering complete power‑supply reference designs for solar lighting, automotive LED, LED street‑light, backlight and other use‑cases. Domestic stock available in Shenzhen warehouse. We offer sample requests, volume production supply, schematic, BOM and full technical‑solution support.
Frequently Asked Questions (FAQ)
What is maximum quantity of 1W LEDs that XL6005 can drive in series?
How do I calculate output constant‑current for XL6005?
What dimming modes does XL6005 support?
What protection functions are built‑inside XL6005?
How to request samples or get volume quotation?
Keywords:XL6005, XL6005E1, step‑up high‑current LED driver, 16‑series LED, thermal protection, solar light driver, automotive LED driver, LED street light power supply, DC‑DC boost constant‑current IC, 20W LED step‑up driver, XLSEMI
Introduction
The document describes a high efficiency LED driver designed to drive an LED driver at a current of 320 mA from an input voltage range of 5 VDC to 32 VDC, output support 2~16 series 1W LED.
The XL6005 also provides a sophisticated rang e of protection features including output LED open faults and soft-start function. Accurate hysteretic thermal shutdown ensures safe average PCB temperatures under all conditions. Design with very low parts count.
This document contains the converter specification, schematic, PCB diagram, conducted EMI measurements, bill of materials and typical performance characteristics.
Schematic 
- Grade And Comment
- Question And Answer
