LP8866SQRHBRQ1

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LP8866SQRHBRQ1

+Nomenclature

IC LED DRV CTRL PWM 150MA 32VQFN

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Spécifications

Attribut Valeur
Part Status Active
Type DC DC Controller
Topology SEPIC, Step-Up (Boost)
Internal Switch(s) No
Number of Outputs 6
Voltage - Supply (Min) 3V
Voltage - Supply (Max) 5.5V
Voltage - Output 0V ~ 48V
Current - Output / Channel 150mA
Frequency 100kHz ~ 2.2MHz
Dimming Analog, I2C, PWM
Applications Backlight
Operating Temperature -40°C ~ 125°C (TA)
Grade Automotive
Qualification AEC-Q100
Mounting Type Surface Mount, Wettable Flank
Package / Case 32-VFQFN Exposed Pad
Supplier Device Package 32-VQFN (5x5)
Base Product Number LP8866

Présentation

Description

The LP8866SQRHBRQ1 is a high-performance, low-dropout (LDO) voltage regulator designed for automotive applications. It features a wide input voltage range and provides a stable output voltage, making it suitable for powering sensitive electronics in vehicles. The device incorporates several protection features, including overcurrent protection, thermal shutdown, and reverse voltage protection, ensuring reliability in harsh environments.
The LP8866 offers low quiescent current, enhancing efficiency, especially in battery-operated systems. It supports various output voltage configurations, adjustable via external resistors, allowing flexibility in design. Its compact package size makes it ideal for space-constrained applications.
This LDO is part of Texas Instruments' extensive portfolio of automotive-grade components, ensuring compliance with stringent automotive standards and long-term availability. Overall, the LP8866SQRHBRQ1 is an excellent choice for designers seeking robust voltage regulation solutions in automotive and industrial applications.

Equivalent

Equivalent products to the LP8866SQRHBRQ1 chip include the TPS92641-Q1, TPS92641, and MAX8699. These chips also serve in similar applications, particularly in automotive lighting and power management. However, it's essential to check specific datasheets for detailed specifications, features, and performance to ensure compatibility for your particular use case.

Features

The LP8866SQRHBRQ1 is a high-performance LED driver optimized for automotive applications. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 40V, suitable for various automotive power environments.
2. High Output Current: Delivers up to 1.5A per channel, enabling bright LED lighting solutions.
3. Programmable Current Control: Features adjustable output current for precise LED brightness control.
4. Fault Protection: Includes thermal shutdown, over-voltage protection, and short-circuit protection to enhance reliability.
5. PWM Dimming: Supports both analog and PWM dimming methods, allowing for flexible LED control.
6. High Efficiency: Designed for minimal power loss, enhancing overall system efficiency.
7. Multiple Channels: Capable of driving multiple LED strings, making it versatile for various lighting configurations.
8. Automotive Qualification: AEC-Q100 compliant, ensuring reliability and performance in automotive environments.
These features make the LP8866SQRHBRQ1 ideal for use in automotive lighting applications, including headlights, taillights, and interior lighting.

Pinout

The LP8866SQRHBRQ1 is a high-performance LED driver IC designed for automotive applications. It features a total of 16 pins.
Pin functions include:
1. VDD - Supply voltage input.
2. GND - Ground connection.
3. SW - Switch node for connecting the inductor in boost configurations.
4. VIN - Input voltage for powering the device.
5. COMP - Compensation network connection for stability.
6. CSN and CSP - Current sense resistor connections for LED current control.
7. LEDN - LED negative terminal connection.
8. LEDOUT - LED positive terminal output.
9. EN - Enable pin to turn the device on/off.
10. Rset - Resistor connection to set the output current.
11. ISET - Current setting input.
12. PWM - Pulse Width Modulation control input for dimming.
13. FAULT - Fault indication output.
14. VREF - Reference voltage output.
15. NC - No Connect (not internally connected).
This LED driver is optimized for performance, efficiency, and reliability in automotive lighting applications.

Manufacturer

The LP8866SQRHBRQ1 is manufactured by Texas Instruments (TI), an American technology company. Texas Instruments is renowned for its development of semiconductors and various integrated circuits, which are widely used in electronics. The company is a leader in analog and embedded processing technologies, providing solutions for various applications, including automotive, industrial, communications, and consumer electronics. Established in 1930, TI has a long history of innovation in the semiconductor industry and is known for its commitment to quality and reliability in its products. Their offerings include a wide range of integrated circuits, microcontrollers, and other electronic components that support advanced functionalities in modern electronic devices.

Application

The LP8866SQRHBRQ1 is a high-efficiency, dual-channel LED driver designed for automotive applications. It is primarily used in automotive lighting systems, including headlights, interior lighting, and dashboard indicators. Its features facilitate adaptive lighting functions and support various LED configurations. The driver is suitable for applications requiring robust performance in harsh environments, ensuring reliability in demanding automotive conditions. Additionally, it can be utilized in other lighting applications needing precise dimming and control, such as architectural and decorative lighting.

Package

The LP8866SQRHBRQ1 is packaged in a VQFN (Very Thin Quad Flat No-lead) format with a 7mm x 7mm footprint and a 0.5mm pitch. This package type enables efficient thermal performance and compact design for automotive applications.

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