TLC5927IPWPR

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Linear
Topology:	Shift Register
Internal Switch(s):	--
Number of Outputs:	16
Voltage - Supply (Min):	3V
Voltage - Supply (Max):	5.5V
Voltage - Output:	17V
Current - Output / Channel:	120mA
Frequency:	30MHz
Dimming:	--
Applications:	Signage
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	24-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package:	24-HTSSOP
Base Part Number:	TLC5927

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Introduction

The TLC5927IPWPR series is a high-efficiency buck driver from Texas Instruments. It is a Small, cost-effective, and easy-to-use solution for driving high-brightness LEDs from a single point of control. This product family is classified as a PMIC (Power Management IC) and can be put in the category of LED drivers. This article provides a detailed overview of this product, beginning with the application field and working principle of the TLC5927IPWPR series.

Application Field

TLC5927IPWPR offers excellent options for lighting applications due to its ability to provide high-efficiency and precision control. These distinctive features make it well-suited for applications where visibility is important, such as automotive lighting, commercial lighting, and displays. Precise regulation of current makes it particularly attractive for high-power applications, making it a great choice for applications that require efficient power management.

Features

The TLC5927IPWPR series offers a number of features that make it an attractive choice for LED lighting applications. The device offers an adjustable switching frequency up to 1MHz for high efficiency, with an internal soft-start and current limit for improved reliability. In addition, the device offers a selectable wide dim-step for linear LED dimming, and an integrated 10-step LED current level selection.

Integration

The TLC5927IPWPR is exceptionally compact in size, allowing it to be easily integrated into compact architectures like automotive headlamps and displays. It is also designed to require the minimum number of external components, reducing the cost of the system and providing flexibility in placement of the components. Additionally, this series offers a wide range of output voltage options, ranging from 4.5 V to 50 V.

Applications

The TLC5927IPWPR series is an excellent choice for applications that require efficient LED management, such as automotive headlamps, safety equipment, and displays. Its features make it an ideal solution for applications requiring precise regulation of current while maximizing efficiency and reducing power consumption.

Working Principle

The working principle of the TLC5927IPWPR series is simple and efficient. When powered on, the device works in buck switching mode, regulating and controlling the output voltage to precisely match the input voltage. The TLC5927IPWPR uses Pulse Width Modulation (PWM) to control the output current of the device. In addition, the device has an internal soft-start circuit which prevents inrush current from occurring at startup. The series also includes a built-in safety feature which limits the output current to a preset value, reducing the risk of damage to the circuit. The selectable output voltage options allow the user to customize the device to specific application needs.

Conclusion

The TLC5927IPWPR series PMIC, or power management IC, is an innovative, cost-effective, and easy-to-use solution for driving high-brightness LEDs from a single point of control. Its features, such as adjustable switching frequency, internal soft-start, and current limit make it well-suited for a variety of applications, including automotive lighting, commercial lighting, and displays. It is also exceptionally compact in size and requires the minimum number of external components, reducing cost and system complexity. This makes the TLC5927IPWPR series an excellent choice for LED lighting applications.

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