Overview
The TPS61161DRVTG4 is a highly efficient, monolithic white LED driver integrated circuit (IC) designed by Texas Instruments. This component is specifically engineered to drive LEDs in various lighting applications, making it an ideal choice for portable devices such as smartphones, digital cameras, and other handheld electronics where power conservation is crucial. The IC features a wide input voltage range from 3V to 18V, allowing it to operate effectively in different power environments and ensuring consistent LED performance. It can drive up to 10 LEDs in series, which is beneficial for creating uniform backlighting solutions in medium-sized LCD panels.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage (Min) | 2.7 V |
| Input Voltage (Max) | 18 V |
| Output Voltage | 38 V |
| Output Current (Switch) | 700 mA |
| Frequency | 600 kHz |
| Dimming | PWM |
| Topology | Step-Up (Boost) |
| Internal Switch(s) | Yes |
| Number of Outputs | 1 |
| Operating Temperature | -40°C to 85°C (TA) |
| Package / Case | 6-WDFN Exposed Pad |
| Mounting Type | Surface Mount |
Key Features
- Single output DC-DC regulator with step-up (boost) topology
- PWM dimming capabilities for precise control
- Maximum current output of 700 mA
- Operating temperature range: -40°C to 85°C (TA)
- Available in a 6-WDFN exposed pad package
- TrueColor PWM™ dimming feature for excellent color consistency and brightness control
- Built-in over-voltage and over-temperature protection circuits
- Soft-start mechanism to limit inrush current during startup
Applications
- Backlight applications
- Display-related products
- Portable devices such as smartphones and digital cameras
- Medium-sized LCD panels requiring uniform backlighting
Q & A
- What is the input voltage range of the TPS61161DRVTG4? The input voltage range is from 2.7 V to 18 V.
- What is the maximum output current of the TPS61161DRVTG4? The maximum output current is 700 mA.
- What dimming method does the TPS61161DRVTG4 use? It uses PWM (Pulse Width Modulation) dimming.
- What is the operating temperature range of the TPS61161DRVTG4? The operating temperature range is from -40°C to 85°C (TA).
- In what package is the TPS61161DRVTG4 available? It is available in a 6-WDFN exposed pad package.
- What is the topology of the TPS61161DRVTG4? It uses a step-up (boost) topology.
- Does the TPS61161DRVTG4 have built-in protection features? Yes, it includes over-voltage and over-temperature protection circuits.
- What is the purpose of the soft-start mechanism in the TPS61161DRVTG4? The soft-start mechanism limits inrush current during startup to enhance the longevity of the LEDs.
- How many LEDs can the TPS61161DRVTG4 drive in series? It can drive up to 10 LEDs in series.
- What is the frequency of operation for the TPS61161DRVTG4? The frequency of operation is 600 kHz.
