Overview
The TPS61161DRVRG4 is a high-efficiency LED driver IC produced by Texas Instruments. This device is designed for use in backlighting applications and features a step-up (boost) topology with an internal switch. It is packaged in a 6-WSON (2x2 mm) surface mount package, making it suitable for compact designs. The IC supports PWM dimming and has an EasyScale 1-wire interface for brightness control. It operates over a wide input voltage range from 2.7V to 18V and can output up to 38V, with a maximum output current of 700mA. This component is RoHS compliant and has a high peak efficiency of 90%.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | TPS61161DRVRG4 |
| Manufacturer | Texas Instruments |
| Package / Case | 6-WSON (2x2 mm) |
| Topology | Step-Up (Boost) |
| Internal Switch(s) | Yes |
| Voltage - Supply (Min) | 2.7V |
| Voltage - Supply (Max) | 18V |
| Voltage - Output | 38V |
| Current - Output / Channel | 700mA (Switch) |
| Frequency | 600kHz |
| Dimming | PWM |
| Operating Temperature | -40°C to 85°C (TA) |
| Number of Outputs | 1 Output |
| RoHS Compliant | Yes |
| Peak Efficiency | 90% |
| Shutdown Current (Typ) | 1 uA |
Key Features
- Brightness Control/Dimming: Supports PWM dimming for adjustable brightness.
- EasyScale 1-Wire Interface: Simplifies brightness control with a single-wire interface.
- Load Disconnect During Shutdown: Ensures that the load is disconnected during shutdown to conserve power.
- High Efficiency: Achieves a peak efficiency of 90%.
- Compact Package: 6-WSON (2x2 mm) package suitable for space-constrained designs.
- Wide Input Voltage Range: Operates from 2.7V to 18V input voltage.
- High Output Voltage: Can output up to 38V.
- Low Standby Power Consumption: Ultra-low standby power consumption.
Applications
The TPS61161DRVRG4 is primarily used in backlighting applications, including:
- LED backlighting for LCD displays.
- General lighting applications requiring high efficiency and adjustable brightness.
- Portable electronics where low power consumption is critical.
Q & A
- What is the package type of the TPS61161DRVRG4?
The TPS61161DRVRG4 is packaged in a 6-WSON (2x2 mm) surface mount package.
- What is the input voltage range of the TPS61161DRVRG4?
The input voltage range is from 2.7V to 18V.
- What is the maximum output voltage of the TPS61161DRVRG4?
The maximum output voltage is 38V.
- Does the TPS61161DRVRG4 support PWM dimming?
Yes, it supports PWM dimming for adjustable brightness.
- What is the operating temperature range of the TPS61161DRVRG4?
The operating temperature range is from -40°C to 85°C (TA).
- Is the TPS61161DRVRG4 RoHS compliant?
Yes, it is RoHS compliant.
- What is the peak efficiency of the TPS61161DRVRG4?
The peak efficiency is 90%.
- What is the typical shutdown current of the TPS61161DRVRG4?
The typical shutdown current is 1 uA.
- Does the TPS61161DRVRG4 have an EasyScale 1-wire interface?
Yes, it has an EasyScale 1-wire interface for brightness control.
- What is the maximum switching frequency of the TPS61161DRVRG4?
The maximum switching frequency is 600 kHz.
