CXLE86240 is a synchronous rectification step-down constant current LED driver optimized for high voltage scenarios, supporting a wide input voltage range of 5V~72V, and can flexibly adapt to high voltage environments such as industrial equipment and vehicle systems. The chip integrates power MOSFET and intelligent control module, achieving a precise constant current output of 0.6A with a high conversion efficiency of 93%. It supports a maximum power load of 5W and is suitable for long-term stable operation under harsh temperatures (-40 ℃~125 ℃).
-
[ CXLE86240 ]"
CXLE86240 72V Ultra Wide Voltage LED Driver IC 丨 0.6A Constant Current+100% Duty Cycle 丨 Industrial Grade Efficient Solution
CXLE86240 It is a synchronous rectification step-down constant current LED driver optimized for high-voltage scenarios, supporting5V~72V ultra wide input voltage rangeIt can flexibly adapt to high voltage environmental requirements such as industrial equipment and vehicle systems. The chip integrates power MOSFET and intelligent control module to93% high conversion efficiencyRealize 0.6A precise constant current output, support up to 5W power load, suitable for long-term stable operation under harsh temperatures (-40 ℃~125 ℃).
Core performance advantages
✅& nbsp;72V Ultra Wide Voltage Input Design
-
Covering 5V~72V input range, compatible with 12V/24V/48V industrial power supply and battery power supply system
-
support100% duty cycle outputMeet low voltage drop scenarios (such as lithium battery directly driving LED light strings)
✅& nbsp;Precise constant current control
-
Constant 150KHz switching frequency, paired with 0.22V current sampling voltage (accuracy±); 3%), load adjustment rate≤± 1.5%
-
Built in loop compensation module, only 4 peripheral components are needed to complete system design
✅& nbsp;Industrial grade reliability
-
Triple protection mechanismHot shutdown protection, dynamic current limiting protection, Class3B ESD protection (± 4000V HBM)
-
SOP8 packaging is compatible with automated surface mount technology and supports high-density PCB layout
Typical application scenarios
-
Industrial control equipment
-
Industrial control dashboard backlight driver
-
Power cabinet status indicator light
-
-
Vehicle lighting system
-
Truck low-voltage lighting
-
Engineering vehicle signal lights
-
-
consumer electronics
-
Medical equipment display screen backlight
-
Low power ambient lighting for smart homes
-
Quick overview of key parameters
| feature | parameter |
|---|---|
| Input voltage range | 5V-72V |
| output current | 0.6A(Max) |
| conversion efficiency | 93% |
| output power | 5W |
| duty cycle | 100% |
| ESD protection level | Class3B(±4000V HBM) |
| package form | SOP8 (industrial grade compatible) |
Design optimization suggestions
-
High voltage input adaptationWhen inputting 72V, it is necessary to ensure that the input capacitor has a withstand voltage of 80V. It is recommended to use X7R ceramic capacitors
-
Thermal managementWhen continuously outputting 5W, it is recommended to add a 2oz copper foil heat dissipation area of 10mm to the GND pin of the chip;
-
LED configuration rulesWhen driving multiple strings of LEDs, it is necessary to meet the requirements;Vin ≥ (Single LED voltage drop× N) + 0.5V(N is the number of LEDs)
passUltra wide compression compatibilityandIndustrial grade protection design, CXLE86240 provides high voltage and high reliability scenariosHigh cost-effectiveness and low complexityThe LED driver solution.
Bill of Materials
Typical performance curve

Application Information
PCB Layout Guide
1. Power lines such as VIN, GND, SW, VOUT, etc., thick, short, and straight;
2. CS wiring should be kept away from switch signals such as inductors, and it is recommended to use a ground wire to surround it;
3. The positive pole of the input capacitor is close to the VIN pin of the chip, and the negative pole of the input capacitor is close to the GND pin of the chip.
Selection Guide for Related Chips
| model | Product features | power | input voltage | frequency | Switching current | Constant current accuracy | efficiency | output voltage | reference voltage | encapsulation |
| CXLE8601 | High voltage boost constant current, enable | 8W | 3.6~24V | 400KHz | 2A | ± 5% | 92% | ADJ(5~32V) | 0.22V | SOP8 |
| CXLE8602 | High voltage boost constant current, enable | 8W | 3.6~24V | 400KHz | 2A | ± 5% | 92% | ADJ(5~60V) | 0.22V | SOP8 |
| CXLE8603 | High voltage boost constant current, enable | 8W | 5~40V | 400KHz | 2A | ± 3% | 95% | ADJ(8~60V) | 0.22V | SOP8 |
| CXLE8604 | High voltage boost constant current, enable | 20W | 3.6~32V | 180KHz | 4A | ± 5% | 93% | ADJ(5~60V) | 0.22V | TO252-5L |
| CXLE8605 | High voltage boost constant current, enable | 50W | 5~32V | 180KHz | 5A | ± 5% | 93% | ADJ(8~60V) | 0.22V | TO263-5L |
| CXLE8609 | Voltage reduction and constant current | 12W | 8~40V | 220KHz | 3A | ± 3% | 97% | ADJ(0.21~37V) | 0.21V | SOP8-EP |
| CXLE8610 | Voltage reduction and constant current | 30W | 8~36V | 220KHz | 4A | ± 3% | 97% | ADJ(0.21~33V) | 0.21V | TO252-5L |
| CXLE8611 | Voltage reduction and constant current, high power | 50W | 8~36V | 220KHz | 5A | ± 3% | 97% | ADJ(0.21~33V) | 0.21V | TO263-5L |
| CXLE8609A | Voltage reduction and constant current | 12W | 8~45V | 220KHz | 3A | ± 3% | 97% | ADJ(0.21~33V) | 0.21V | SOP8-EP |
| CXLE8612 | High voltage step-down constant current | 50W | 12~100V | PFM | 1A | ± 4% | 98% | ADJ(3~60V) | 0.1V | TO263-5L |
| CXLE8614 | High voltage step-down constant current | 8W | 24~100V | PFM | 0.5A | ± 5% | 96% | ADJ(8~26V) | 0.2V | SOP8 |
| CXLE86231 | High voltage step-down constant current | 12W | 8~60V | 220KHz | 1.5A | ± 3% | 95% | ADJ(0.21~40V) | 0.21V | SOP8-EP |
| CXLE86232 | Voltage reduction synchronous rectification constant current drive | 10W | 5~45V | 200KHz | 2A | ± 4% | 95% | ADJ | 0.23V | SOP8 |
| CXLE86233 | Voltage reduction synchronous rectification constant current drive | 15W | 5~45V | 200KHz | 3A | ± 4% | 95% | ADJ | 0.23V | SOP8-EP |
| CXLE86234 | Voltage reduction synchronous rectification constant current drive | 30W | 5~45V | 200KHz | 4A | ± 4% | 95% | ADJ | 0.23V | TO252-5L |
| CXLE86235 | Voltage reduction synchronization, constant current, high power | 50W | 5~45V | 200KHz | 5A | ± 4% | 95% | ADJ | 0.23V | TO263-5L |
| CXLE86236 | Voltage reduction synchronization, constant current, high power | 80W | 5~45V | 200KHz | 6A | ± 4% | 95% | ADJ | 0.23V | TO220-5L |
| CXLE86237 | Voltage reduction synchronization, constant current | 30W | 5~45V | 150KHz | 4A | ± 4% | 97% | ADJ | 0.23V | TO252-5L |
| CXLE86238 | Voltage reduction synchronization, constant current, enable | 10W | 5~45V | 150KHz | 2A | ± 4% | 94% | ADJ | 0.23V | SOP8 |
| CXLE86239 | Voltage reduction synchronization, constant current, enable | 15W | 5~45V | 150KHz | 3A | ± 4% | 95% | ADJ | 0.23V | SOP8-EP |
| CXLE86240 | Voltage reduction, high voltage synchronization, constant current | 5W | 5~90V | 150KHz | 0.6A | ± 3% | 93% | ADJ | 0.22V | SOP8 |
| CXLE86241 | Voltage reduction, high voltage synchronization, constant current | 15W | 5~90V | 150KHz | 1.5A | ± 3% | 93% | ADJ | 0.22V | TO252-5L |
| CXLE86242 | Voltage reduction, high voltage synchronization, constant current, high power | 25W | 5~90V | 150KHz | 2A | ± 3% | 93% | ADJ | 0.22V | TO263-5L |
| CXLE86243 | Voltage reduction, high voltage synchronization, constant current, high power | 30W | 5~90V | 150KHz | 2A | ± 3% | 93% | ADJ | 0.22V | TO220-5L |
| CXLE86244 | Voltage reduction synchronization, constant current, enable | 10W | 5~45V | 200KHz | 2A | ± 3% | 93% | ADJ | 0.23V | SOP8 |
| CXLE86245 | Voltage reduction synchronization, constant current, enable | 15W | 5~45V | 200KHz | 3A | ± 3% | 93% | ADJ | 0.23V | SOP8-EP |
| CXLE86246 | Boost constant current, built-inSBDrectification | 2W | 2.5~20V | 1.2MHz | 0.5A | ± 3% | 85% | 1~10S | 0.2V | SOT23-6 |
| CXLE86247 | Boost constant current, built-inSBDRectification and supportSEPIC | 6W | 2.5~25V | 1.2MHz | 1.0A | ± 3% | 88% | 1~8S | 0.2V | SOP8-EP |
| CXLE86248 | Boost constant current, built-inSBDRectification and supportSEPIC | 4W | 2.5~25V | 1.2MHz | 0.6A | ± 3% | 87% | 1~10S | 0.2V | DFN3*3-8 |
| CXLE86249 | Boost constant current, built-inSBDRectification and supportSEPIC | 6W | 2.5~25V | 1.2MHz | 1.0A | ± 3% | 88% | 1~8S | 0.2V | DFN3*3-8 |



