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NCP5623CMUTBG
NCP5623CMUTBG Introduction
NCP5623CMUTBG is a three-channel current controller designed for RGB LED driving launched by ON Semiconductor. It has an I²C interface and multi-level current regulation function, which is very suitable for smartphones, portable devices and other applications that require colorful lighting effects.
NCP5623CMUTBG Parameters
NCP5623CMUTBG Similar Comparisons
NCP5623CMUTBG vs NCP5623DTBR2G vs NCP5623BMUTBG vs NCP5623AMUTBG vs CAT3643HV2-GT2 Comparison
| Parameter | NCP5623CMUTBG | NCP5623DTBR2G | NCP5623BMUTBG | NCP5623AMUTBG | CAT3643HV2-GT2 |
|---|---|---|---|---|---|
| Image |  |  |  |  |  |
| Manufacturer | onsemi | onsemi | onsemi | onsemi | onsemi |
| Application | RGB LED driver | RGB LED driver | RGB LED driver | RGB LED driver | White LED backlight driver |
| Input Voltage Range | 2.7V - 5.5V | 2.7V - 5.5V | 2.7V - 5.5V | 2.7V - 5.5V | 2.5V - 5.5V |
| Max Current Per Channel | 25 mA | 25 mA | 25 mA | 25 mA | 30 mA |
| Channels | 3 | 3 | 3 | 3 | 3 |
| Dimming Levels | 32 (PWM control) | 32 (PWM control) | 32 (PWM control) | 32 (PWM control) | 32 |
| Interface | I²C | I²C | I²C | I²C | No interface |
| Quiescent Current | 1 µA (typical) | 1 µA (typical) | 1 µA (typical) | 1 µA (typical) | 0.1 µA (shutdown mode) |
| Special Features | Built-in fade and blink modes | Built-in fade and blink modes | Built-in fade and blink modes | Built-in fade and blink modes | Independent current regulation |
| Package | UDFN-10 (3x3 mm) | TSSOP-16 | UDFN-10 (3x3 mm) | UDFN-10 (3x3 mm) | TSOT-23-6 |
| Operating Temperature | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C |
Main Description
1.NCP5623 Series (CMUTBG, DTBR2G, BMUTBG, AMUTBG):
All models are RGB LED drivers with similar functions.
The differences are mainly in the package type and specific use cases.
All models have an I²C interface for precise control of RGB LEDs.
2.CAT3643HV2-GT2:
Mainly a white LED backlight driver with 4 channels.
Lacks an I²C interface, but supports individual current regulation.
Designed for simple applications such as backlighting, not advanced RGB control.
Recommendations
For RGB LED applications: Use the NCP5623 series chips, select based on the preferred package type.
For white LED applications: Use the CAT3643HV2-GT2 for backlight driving, as it supports 4 channels and has efficient regulation.
NCP5623CMUTBG Datasheet
NCP5623CMUTBG Main Features
1.Three-channel constant current output:
Each channel supports a maximum output current of 25 mA.
Each channel can adjust the current individually for driving the red, green, and blue colors of RGB LEDs.
2.I²C interface control:
Supports precise current setting and light adjustment via the I²C bus.
Supports up to 32 levels of PWM dimming control.
3.High efficiency and energy saving:
Integrated low-dropout linear regulator to reduce system power consumption.
Operating voltage range is 2.7V to 5.5V.
4.Brightness and color adjustment:
Supports step-by-step change (gradient) and flashing modes.
Lighting effects can be flexibly controlled through I²C commands.
5.Protection function:
Integrated thermal shutdown function to avoid overheating damage.
Output overcurrent protection to enhance system stability.
6.Small size package:
Package type: UDFN-10 (3x3 mm).
Suitable for space-constrained portable electronic devices.
Typical applications of NCP5623CMUTBG
1.Smartphones and portable devices:
Used to realize notification lights, RGB atmosphere lights, backlight effects, etc.
2.Consumer electronics:
Such as LED displays of Bluetooth speakers and headphones.
3.Home and industrial equipment:
Used for device status indication or ambient light adjustment.
NCP5623CMUTBG FAQ
1. What is NCP5623CMUTBG? What is its main purpose?
NCP5623CMUTBG is a three-channel RGB LED driver chip launched by ONSEMI (ON Semiconductor), which supports precise control of LED brightness and color through the I²C interface. It is widely used in smartphone notification lights, consumer electronic equipment RGB lighting effects, portable lighting equipment, etc.
2. What is NCP5623CMUTBG? What is its main purpose?
NCP5623CMUTBG is a three-channel RGB LED driver chip launched by ONSEMI (ON Semiconductor), which supports precise control of LED brightness and color through the I²C interface. It is widely used in smartphone notification lights, consumer electronic equipment RGB lighting effects, portable lighting equipment, etc.
3. How much current can each channel output?
The maximum output current of each channel is 25 mA, which supports driving the three colors of red, green and blue of conventional RGB LEDs.
4. What dimming modes does NCP5623CMUTBG support?
Supports 32-level PWM dimming for smooth brightness adjustment.
Supports built-in gradient mode and flashing mode to achieve dynamic lighting effects without external complex control.
5. How to communicate with NCP5623CMUTBG through I²C interface?
The I²C interface allows the master MCU (such as a microcontroller or microcontroller) to communicate with the chip.
The master device can adjust the current and mode of each channel by sending I²C data packets, such as setting the brightness level of red, green, and blue.
6. Does NCP5623CMUTBG have protection functions?
Yes, NCP5623CMUTBG has built-in protection mechanisms:
Thermal shutdown protection: prevents chip damage due to overheating.
Overcurrent protection: prevents damage to the device when the output current is too large.
7. What is the package type of NCP5623CMUTBG? What is its size?
The package type of NCP5623CMUTBG is UDFN-10 (3x3 mm), which has a small size and is suitable for space-constrained designs.
8. What is the operating temperature range of NCP5623CMUTBG?
Its operating temperature range is -40°C to +85°C, which is suitable for most consumer and industrial application environments.
9. What specific applications can NCP5623CMUTBG be used for?
Smartphone notification lights and RGB ambient lights.
Indicator lights for consumer electronics such as Bluetooth speakers and headphones.
Home appliances and portable lighting that require RGB lighting effects.
10. What should I pay attention to when using NCP5623CMUTBG?
Make sure the input voltage is within the range of 2.7V to 5.5V, otherwise it may cause chip damage.
The load per channel must not exceed 25 mA, otherwise it may trigger overcurrent protection.
Pay attention to thermal management in PCB design to minimize heat accumulation.
Make sure the I²C interface connection is stable to avoid communication failures.
