TLC5904PZP

Voltage - Output:	17V
Base Part Number:	TLC5904
Supplier Device Package:	100-HTQFP (14x14)
Package / Case:	100-TQFP Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-20°C ~ 85°C (TA)
Applications:	--
Dimming:	--
Frequency:	15MHz
Current - Output / Channel:	80mA, 120mA
Series:	--
Voltage - Supply (Max):	5.5V
Voltage - Supply (Min):	4.5V
Number of Outputs:	16
Internal Switch(s):	Yes
Topology:	Shift Register
Type:	Linear
Part Status:	Active
Packaging:	Tray

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TLC5904PZP Application Field and Working Principle

The TLC5904PZP is a general-purpose, single-channel constant-frequency pulse width modulation (PWM) driver circuit. It is a part of the PMIC (Power Management Integrated Circuit) - LED Driver family and is a suitable and economical choice for LEDs applications. With its excellent output power, low power consumption and high thermal stability, TLC5904PZP is widely applied in many fields.

What Does the TLC5904PZP Do?

The TLC5904PZP is an integrated circuit developed by Texas Instruments (TI). The IC performs the task of controlling electrical pulses of constant width and frequency. It can be used to switch on or off any electric circuit. The application areas of the TLC5904PZP can be classified into three main categories – energy-saving lighting, motor control, and process control.

In Energy Saving Lighting

TLC5904PZP is indispensable for modern energy-saving lighting systems. It has a wide range of applications from LED drivers to driving the incandescent lamps. In the LED driver applications, the TLC5904PZP guarantees the reliability of the LED module, thus ensuring high light quality and long-term maintenance free operation. With a flexible and sophisticated PWM duty-cycle control system, the LED dimming and brightness control is optimized to save energy and enhance visual experience. In addition, the TLC5904PZP is also used to control incandescent lamps or halogen lamps. This application requires the IC to be configured in a pulse-width-modulation mode. In this mode, the IC acts as a “ballast”, controlling the voltage of the lamp to ensure the optimal light output.

In Motor Control

The TLC5904PZP is an essential component of modern motor control systems. For example, it is used in the servo motor control application, where the IC is responsible for accurately controlling a motors’ step angle and speed of rotation. In this application, the pulse-width-modulation (PWM) signal generated by the IC is sent to the motor controller, providing precise control of the motor’s position.

In Process Control

The TLC5904PZP also has a wide range of applications in process control. The integrated circuit can be used to control a wide variety of processes, from regulating the flow of water, to controlling the movement of a robotic arm or machine. By accurately controlling the pulse width of the signal, the IC can provide precise control over any process, ensuring that the desired process is completed smoothly and efficiently.

How Does the TLC5904PZP Work?

The TLC5904PZP is based on a constant-frequency, pulse-width modulation (PWM) digital circuit. The IC generates a pulse-width-modulated signal according to the input parameters defined by the user. The PWM signal is generated by the IC by comparing the voltage on the output pin to a reference voltage. The TLC5904PZP allows control over the frequency of the PWM signal. The frequency of the signal is defined by the clock frequency and the duty cycle of the PWM signal is defined by setting the desired duty cycle ratio. The ratio of the vibration frequency of the signal to the PWM frequency is called the “motor spread angle”. This parameter can be adjusted through the control of the speed of the motor and thus the desired motor speed can be achieved.

Conclusion

The TLC5904PZP is a powerful and economical integrated circuit developed by Texas Instruments. It is an essential component of many applications, from energy saving lighting, to motor control and process control. With its excellent output power, low power consumption and high thermal stability, the TLC5904PZP is an excellent choice for many projects.

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