TLD5085EJFUMA1

Voltage - Output:	0.6 V ~ 16 V
Base Part Number:	TLD5085
Supplier Device Package:	PG-DSO-8
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Applications:	Automotive, Backlight
Dimming:	PWM
Frequency:	370kHz
Current - Output / Channel:	1.8A
Series:	Automotive, AEC, LITIX™
Voltage - Supply (Max):	45V
Voltage - Supply (Min):	4.75V
Number of Outputs:	1
Internal Switch(s):	Yes
Topology:	Step-Down (Buck)
Type:	DC DC Regulator
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

PMIC (Power Management Integrated Circuit) - LED Drivers are a family of specialized power converters that allow high-power LED lighting with optimal energy efficiency. The TLD5085EJFUMA1 is one of the most popular and advanced integrated driver ICs for LED lighting applications.

TLD5085EJFUMA1 features

The TLD5085EJFUMA1 is a complete LED driver IC with several features. It consists of an integrated PWM buck LED driver, LED status output, LED current monitoring with adjustable LED current, LED dimming control with dimming frequency up to 20MHz, thermal shutdown protection, and over-voltage protection. It also supports three modes of operation: constant-current, constant-voltage, and Green-Mode. It also offers very low voltage drop, up to 90% power savings, and high EMI suppression.

Application Fields and Working Principle

The TLD5085EJFUMA1 has a wide range of applications including LED lighting, LED displays, automotive lighting and signaling, and medical and industrial applications. The main working principle of the IC is based on the PWM (Pulse Width Modulation) buck converter. The output voltage is regulated by modulating the duty cycle of the input power source to control the output current. The integrated LED driver provides high-efficiency conversion from input DC power to constant-current output for high-power LED lighting applications. Furthermore, the IC also performs monitoring functions such as LED current sense and LED voltage sense to adjust the output current and protect the LED from over-current and other hazards.

Conclusion

In conclusion, the TLD5085EJFUMA1 integrated LED driver is a highly advanced IC optimized for LED lighting applications. It offers several features such as high efficiency, low voltage drop, adjustable LED current, LED status output, LED dimming control, over-voltage protection and thermal shutdown protection. It also supports three modes of operation including constant-current, constant-voltage, and Green-Mode. It is suitable for a wide range of applications such as LED lighting, LED displays, automotive lighting and signaling, and medical and industrial applications.

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