Overview
The TPS61160DRVRG4 is a highly efficient boost converter designed by Texas Instruments specifically for driving white, blue, and RGB LEDs. This integrated circuit operates with a wide input voltage range of 2.5V to 17V, making it suitable for various battery-operated and power-supply applications. It offers excellent performance with a maximum output current of 1A, providing high brightness levels for LED lighting applications. The device features programmable LED current, dimming control, and thermal protection, making it versatile for both consumer and industrial uses. Its compact package allows easy integration into space-constrained designs without compromising on performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Part Number | TPS61160DRVRG4 | |
| Package | 6-WSON (2x2) | |
| Input Voltage Range | 2.5V to 17V | V |
| Output Current | Up to 1A | A |
| Maximum Output Voltage | Up to 34V | V |
| Efficiency | Up to 93% | % |
| Switching Frequency | 600 kHz | kHz |
| Operating Temperature Range | -40°C to 125°C | °C |
| RoHS Status | Lead Free / RoHS Compliant |
Key Features
- Programmable LED current: Adjustable from 0mA to 1A
- Integrated dimming control: Supports PWM and analog dimming
- Thermal shutdown protection: Prevents overheating
- High efficiency: Up to 93%
- Compact package: Available in a 6-pin WSON package with thermal pad
- Flexible digital and PWM brightness control using the EasyScale protocol
- Built-in soft start and open LED protection
Applications
- Smartphone and tablet backlighting
- Automotive lighting solutions
- LED displays and signs
- General LED lighting
- Portable and handheld devices
- Decorative and architectural lighting
- Cellular phones, portable media players, and ultra-mobile devices
- White LED backlighting for media form factor displays
Q & A
- What is the maximum output voltage of the TPS61160DRVRG4?
The TPS61160DRVRG4 can output a maximum of 34V for LED applications.
- Can this IC be used for RGB LED applications?
- How can I implement thermal protection in my design?
The TPS61160 features built-in thermal protection that will turn off the device in case of overheating, ensuring safety.
- Is the input voltage rating compatible with lithium-ion batteries?
- What PCB layout considerations should I take into account?
Ensure that the VIN and VOUT traces are kept short and wide to reduce inductance and improve efficiency. Also, place the IC close to the input and output capacitors to minimize noise.
- How does the EasyScale protocol work for digital dimming?
The EasyScale protocol allows for digital dimming by programming the FB voltage to any of the 32 steps with a single command, producing a pseudo-logarithmic curve for brightness steps.
- What is the switching frequency of the TPS61160DRVRG4?
The switching frequency is fixed at 600 kHz to reduce output ripple and improve conversion efficiency.
- What is the operating temperature range of the TPS61160DRVRG4?
The operating temperature range is -40°C to 125°C.
- How does the device handle open LED protection?
The device features integrated open LED protection that disables the output voltage from exceeding the device's absolute maximum voltage ratings during open LED conditions.
- What is the minimum shutdown current of the TPS61160DRVRG4?
The minimum shutdown current is less than 1 μA when the CTRL voltage is logic low for more than 2.5 ms.
