TPS61196PWPRQ1

Product Overview

Category

The TPS61196PWPRQ1 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is primarily used for driving white light-emitting diodes (LEDs) in automotive lighting systems, such as headlights, taillights, and interior lighting.

Characteristics

• High efficiency: The TPS61196PWPRQ1 offers high-efficiency LED driving with its built-in boost converter.
• Wide input voltage range: It can operate within a wide input voltage range, typically from 4.5V to 40V, making it suitable for various automotive applications.
• Adjustable current control: The IC allows for adjustable current control, enabling precise brightness adjustment of the LEDs.
• Thermal protection: It incorporates thermal protection features to prevent overheating and ensure safe operation.

Package and Quantity

The TPS61196PWPRQ1 is available in a small-footprint HTSSOP package, which stands for "Heatsink Thin Shrink Small Outline Package." It consists of 20 pins arranged in a compact form. The product is typically sold in reels, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: Up to 60V
• Maximum Output Current: 2A
• Operating Temperature Range: -40°C to 125°C
• Dimming Control: PWM (Pulse Width Modulation)
• Switching Frequency: Adjustable up to 2MHz

Pin Configuration

The TPS61196PWPRQ1 has the following pin configuration:

1. EN (Enable): Enable pin for turning the IC on/off.
2. FB (Feedback): Feedback pin for regulating the output voltage.
3. VCC: Power supply pin for the IC.
4. GND: Ground reference pin.
5. LX (Switch Node): Switching node for the boost converter.
6. PGND (Power Ground): Ground reference for power components.
7. VOUT (Output Voltage): Output voltage pin for driving LEDs.
8. ISET (Current Set): Pin for setting the LED current.
9. DIM (Dimming Control): Pin for PWM dimming control.
10. BST (Boost): Boost capacitor connection pin.
11. AGND (Analog Ground): Ground reference for analog circuitry. 12-20. NC (No Connection): Unused pins.

Functional Features

1. High Efficiency: The TPS61196PWPRQ1 offers high-efficiency LED driving, minimizing power losses and maximizing battery life in automotive lighting systems.
2. Adjustable Brightness: The IC allows for precise brightness adjustment of the LEDs through its adjustable current control feature.
3. Thermal Protection: It incorporates thermal protection mechanisms to prevent overheating, ensuring safe operation even under demanding conditions.
4. Wide Input Voltage Range: The IC can handle a wide range of input voltages, making it suitable for various automotive applications.
5. PWM Dimming Control: The TPS61196PWPRQ1 supports PWM dimming control, allowing for flexible and dynamic control of LED brightness.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Precise brightness control enhances user experience.
• Thermal protection ensures safe operation.
• Wide input voltage range provides versatility.
• PWM dimming control allows for dynamic lighting effects.

Disadvantages

• Limited maximum output current may restrict certain high-power applications.
• Requires additional external components for proper operation.
• Sensitive to electromagnetic interference (EMI) due to high-frequency switching.

Working Principles

The TPS61196PWPRQ1 operates as a boost converter, converting the input voltage to a higher output voltage required for driving LEDs. It utilizes a high-frequency switching technique to efficiently regulate the LED current. The IC incorporates a feedback mechanism to maintain a constant output voltage and achieve accurate brightness control. Additionally, thermal protection mechanisms safeguard the IC from excessive heat.

Application Field Plans

The TPS61196PWPRQ1 finds extensive application in automotive lighting systems, including: - Headlights - Taillights - Interior lighting - Daytime running lights (DRL) - Fog lights - Dashboard illumination

Alternative Models

For those seeking alternative options, the following models can be considered: - TPS61195PWPRQ1: Similar to TPS61196PWPRQ1 but with a lower maximum output current of 1A. - TPS61197PWPRQ1: Similar to TPS61196PWPRQ1 but with a higher maximum output current of 3A. - TPS61198PWPRQ1: Similar to TPS61196PWPRQ1 but with additional features like fault detection and diagnostics.

These alternative models provide