Overview
The TPS92512DGQR is a high-performance LED driver produced by Texas Instruments, designed to drive high-current LEDs with precision and efficiency. This model is part of the TPS92512 series, which features integrated MOSFETs and supports input voltages up to 60V, making it suitable for a wide range of applications. It is particularly aimed at industrial and automotive lighting systems where reliable and consistent performance is critical. The TPS92512DGQR stands out for its advanced current regulation capabilities, support for both analog and PWM dimming, and robust protection features, making it a competitive choice in the LED driver market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | Up to 60 | V | High Voltage (HV) version |
| Output Current | 2.5 | A | Peak current mode control |
| Dimming Methods | Analog, PWM | - | Supports >10:1 and >100:1 contrast ratios |
| Operating Frequency | User-selectable | kHz | Fixed frequency operation |
| Package | HVSSOP PowerPAD™ | - | 10-pin |
| Protection Features | Overcurrent, Thermal shutdown | - | Cycle-by-cycle protection |
Key Features
- Integrated MOSFET for simplified design and reduced component count.
- Supports both analog and PWM dimming for precise brightness control.
- High input voltage range up to 60V, suitable for automotive and industrial applications.
- Adjustable input undervoltage lockout (UVLO) for flexible startup conditions.
- Thermal shutdown and overcurrent protection for enhanced reliability.
Applications
The TPS92512DGQR is widely used in applications requiring high-current LED driving, such as automotive lighting (headlights, taillights, and interior lighting), industrial lighting (high-bay and low-bay fixtures), and architectural lighting. Its robust design and advanced features make it ideal for environments where reliability and efficiency are paramount.
Q & A
1. What is the maximum input voltage supported by the TPS92512DGQR?
The TPS92512DGQR supports input voltages up to 60V.
2. Does this model support dimming?
Yes, it supports both analog and PWM dimming methods.
3. What is the output current capability of this LED driver?
It can deliver up to 2.5A of output current.
4. What protection features are included?
It includes overcurrent protection and thermal shutdown.
5. What is the operating frequency range?
The operating frequency is user-selectable and operates at a fixed frequency.
6. Is the TPS92512DGQR suitable for automotive applications?
Yes, its high input voltage range and robust design make it ideal for automotive lighting.
7. What package does this model come in?
It is available in a 10-pin HVSSOP PowerPAD™ package.
8. Can multiple TPS92512DGQR drivers be synchronized?
Yes, the internal oscillator can be overdriven by an external clock for synchronization.
9. What is the dimming contrast ratio?
It supports >10:1 for analog dimming and >100:1 for PWM dimming.
10. Is the TPS92512DGQR compatible with low-voltage logic standards?
Yes, the PWM input is compatible with low-voltage logic standards.
