仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | DC DC Regulator |
| Topology | SEPIC, Step-Up (Boost) |
| InternalSwitch(s) | Yes |
| NumberofOutputs | 4 |
| Voltage-Supply(Min) | 4.5V |
| Voltage-Supply(Max) | 40V |
| Voltage-Output | 45V |
| Current-Output/Channel | 100mA |
| Frequency | 300kHz ~ 2.2MHz |
| Dimming | PWM |
| Applications | Backlight |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-PowerTSSOP (0.173, 4.40mm Width) |
概要
Description
The TPS61194PWPR is a high-performance LED driver designed for automotive lighting applications. It integrates a range of features to efficiently drive multiple strings of high-brightness LEDs. The device operates with a wide input voltage range, typically from 4.5V to 40V, making it suitable for various automotive power systems. It can drive up to four LED strings with a precise current regulation, ensuring consistent brightness across all LEDs.
Key features of the TPS61194PWPR include analog and PWM dimming capabilities, providing flexibility in controlling LED brightness. It also incorporates fault detection and diagnostic functions to enhance system reliability by identifying open or short circuit conditions in the LED strings. The driver supports a switching frequency up to 2.2 MHz, allowing for smaller external components and improved efficiency.
The device is housed in a 20-pin TSSOP package with a PowerPAD for optimal thermal performance. Its design focuses on minimizing electromagnetic interference (EMI), crucial for maintaining the integrity of automotive electronic systems. Overall, the TPS61194PWPR is engineered for robust performance in demanding automotive lighting applications.
Key features of the TPS61194PWPR include analog and PWM dimming capabilities, providing flexibility in controlling LED brightness. It also incorporates fault detection and diagnostic functions to enhance system reliability by identifying open or short circuit conditions in the LED strings. The driver supports a switching frequency up to 2.2 MHz, allowing for smaller external components and improved efficiency.
The device is housed in a 20-pin TSSOP package with a PowerPAD for optimal thermal performance. Its design focuses on minimizing electromagnetic interference (EMI), crucial for maintaining the integrity of automotive electronic systems. Overall, the TPS61194PWPR is engineered for robust performance in demanding automotive lighting applications.
Equivalent
The TPS61194PWPR is an LED driver IC. Equivalent or similar products include:
1. LT3756 from Analog Devices.
2. MAX16834 from Maxim Integrated.
3. LM3414 from Texas Instruments.
4. MP24894 from Monolithic Power Systems.
5. NCL30160 from ON Semiconductor.
Ensure compatibility regarding specifications like input voltage range, current output, and features when considering substitutes.
1. LT3756 from Analog Devices.
2. MAX16834 from Maxim Integrated.
3. LM3414 from Texas Instruments.
4. MP24894 from Monolithic Power Systems.
5. NCL30160 from ON Semiconductor.
Ensure compatibility regarding specifications like input voltage range, current output, and features when considering substitutes.
Features
The TPS61194PWPR is a high-performance LED driver designed for automotive lighting applications. Key features include:
1. Four-Channel LED Driver: It can drive up to four strings of LEDs with a current of up to 120 mA per channel, ensuring uniform brightness across all channels.
2. Wide Input Voltage Range: Operates from a 4.5V to 40V input voltage, making it suitable for various automotive power systems.
3. Integrated Boost Controller: Features an integrated boost controller to step up the input voltage to the required level for LED operation.
4. High Precision: The device provides high accuracy in LED current regulation, contributing to consistent lighting performance.
5. PWM Dimming: Supports PWM dimming with a ratio up to 10,000:1, allowing for precise control over LED brightness.
6. Thermal Management: Includes thermal shutdown protection to ensure reliability under high-temperature conditions.
7. Fault Protection: Offers protection features such as open LED, short LED, and boost output overvoltage protections.
These features make the TPS61194PWPR a robust solution for automotive LED lighting, supporting both efficiency and reliability.
1. Four-Channel LED Driver: It can drive up to four strings of LEDs with a current of up to 120 mA per channel, ensuring uniform brightness across all channels.
2. Wide Input Voltage Range: Operates from a 4.5V to 40V input voltage, making it suitable for various automotive power systems.
3. Integrated Boost Controller: Features an integrated boost controller to step up the input voltage to the required level for LED operation.
4. High Precision: The device provides high accuracy in LED current regulation, contributing to consistent lighting performance.
5. PWM Dimming: Supports PWM dimming with a ratio up to 10,000:1, allowing for precise control over LED brightness.
6. Thermal Management: Includes thermal shutdown protection to ensure reliability under high-temperature conditions.
7. Fault Protection: Offers protection features such as open LED, short LED, and boost output overvoltage protections.
These features make the TPS61194PWPR a robust solution for automotive LED lighting, supporting both efficiency and reliability.
Pinout
The TPS61194PWPR is a LED driver IC from Texas Instruments, designed for applications in automotive lighting systems. It comes in a 20-pin HTSSOP package.
The primary functions of the TPS61194 include:
1. LED Driving: It supports up to four channels of LED strings, providing current regulation for uniform brightness in each string.
2. Dimming Control: Features PWM dimming for adjusting the brightness of the LED strings.
3. Fault Detection: Includes mechanisms for open-circuit, short-circuit, and over-temperature protection to ensure reliable operation.
4. Boost Converter: Integrates a boost controller to step up the input voltage to a suitable level for the LED strings.
Overall, the TPS61194PWPR serves as a versatile solution for driving multiple LED channels, ensuring efficient and reliable performance in demanding environments like automotive lighting. For detailed information, referring to the device's datasheet is recommended, as it provides comprehensive specifications and application guidance.
The primary functions of the TPS61194 include:
1. LED Driving: It supports up to four channels of LED strings, providing current regulation for uniform brightness in each string.
2. Dimming Control: Features PWM dimming for adjusting the brightness of the LED strings.
3. Fault Detection: Includes mechanisms for open-circuit, short-circuit, and over-temperature protection to ensure reliable operation.
4. Boost Converter: Integrates a boost controller to step up the input voltage to a suitable level for the LED strings.
Overall, the TPS61194PWPR serves as a versatile solution for driving multiple LED channels, ensuring efficient and reliable performance in demanding environments like automotive lighting. For detailed information, referring to the device's datasheet is recommended, as it provides comprehensive specifications and application guidance.
Manufacturer
The TPS61194PWPR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of integrated circuits and electronic components. The company is well-known for its innovations and contributions to the electronics industry, providing products that are used in various applications including consumer electronics, automotive, industrial, and communications equipment. TI is particularly recognized for its analog and embedded processing products.
Application
The TPS61194PWPR is a high-efficiency LED driver primarily used in automotive applications. It is designed for driving multiple LED strings in applications like automotive headlamps, tail lamps, daytime running lights (DRL), and interior lighting. The device supports adaptive lighting systems and provides precise current regulation, making it suitable for applications requiring high reliability and performance under varying conditions. Its features such as fault detection, thermal shutdown, and wide input voltage range make it ideal for challenging automotive environments. Additionally, it's used in industrial and commercial lighting systems requiring similar robustness and efficiency.
Package
The TPS61194PWPR is housed in an HTSSOP (Thermally Enhanced Thin Shrink Small Outline Package) with a 28-pin configuration. This package type includes a PowerPAD for improved thermal performance.
