TPS61160DRVRG4

Overview

Category: Integrated Circuit (IC)

Use: LED Driver

Characteristics: - High efficiency - Wide input voltage range - Adjustable output current - Dimming control - Over-temperature protection

Package: SON (Small Outline No-Lead) Package

Essence: The TPS61160DRVRG4 is a high-efficiency LED driver IC designed for driving series-connected LEDs. It provides a constant current output, making it suitable for various LED lighting applications.

Packaging/Quantity: The TPS61160DRVRG4 is available in a small outline no-lead (SON) package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.7V to 18V
• Output Current Range: Up to 1.5A
• Switching Frequency: 1.2MHz
• Dimming Control: Analog/PWM
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TPS61160DRVRG4 has the following pin configuration:

1. EN (Enable): Enable pin for turning the device on/off.
2. FB (Feedback): Feedback pin for adjusting the output current.
3. DIM (Dimming Control): Pin for controlling the brightness of the LEDs.
4. GND (Ground): Ground reference for the IC.
5. VIN (Input Voltage): Input voltage supply for the IC.
6. SW (Switch Node): Switch node for connecting the LEDs.
7. LX (Inductor Connection): Connection point for the external inductor.
8. VOUT (Output Voltage): Output voltage connection for the LEDs.

Functional Features

• High efficiency conversion of input voltage to constant current output for driving LEDs.
• Wide input voltage range allows operation from various power sources.
• Adjustable output current allows flexibility in driving different LED configurations.
• Dimming control feature enables brightness adjustment of the LEDs.
• Over-temperature protection ensures safe operation under high temperature conditions.

Advantages

• High efficiency results in reduced power consumption and longer battery life.
• Wide input voltage range allows compatibility with different power sources.
• Adjustable output current provides flexibility for driving various LED configurations.
• Dimming control feature allows customization of LED brightness.
• Over-temperature protection ensures reliable operation even in harsh environments.

Disadvantages

• Limited maximum output current may not be suitable for high-power LED applications.
• Requires external components such as an inductor and capacitors for proper operation.
• May require additional circuitry for specific dimming control methods.

Working Principles

The TPS61160DRVRG4 operates by converting the input voltage to a constant current output for driving series-connected LEDs. It utilizes a boost converter topology to step up the input voltage to a higher level required for driving the LEDs. The feedback pin (FB) is used to adjust the output current, while the dimming control pin (DIM) allows for brightness adjustment through analog or PWM signals. The IC also incorporates over-temperature protection to ensure safe operation under high temperature conditions.

Application Field Plans

The TPS61160DRVRG4 is commonly used in various LED lighting applications, including: - Backlighting for LCD displays - Automotive interior and exterior lighting - Portable devices such as flashlights and headlamps - General illumination in residential and commercial settings

Alternative Models

• TPS61161DRVRG4
• TPS61162DRVRG4
• TPS61163DRVRG4
• TPS61164DRVRG4

These alternative models offer similar functionality and characteristics to the TPS61160DRVRG4, providing options for different design requirements.

In conclusion, the TPS61160DRVRG4 is a high-efficiency LED driver IC that offers adjustable output current, dimming control, and over-temperature protection. Its wide input voltage range and compact package make it suitable for various LED lighting applications. However, designers should consider its limitations in terms of maximum output current and the need for external components.