Overview
The TPS92601QPWPRQ1, manufactured by Texas Instruments, is a high-side current LED driver designed specifically for automotive applications. This device is part of the TPS92601 series, which includes single and dual-channel drivers with comprehensive protection and diagnostic features. It is particularly well-suited for automotive headlight systems. The TPS92601QPWPRQ1 features a peak current mode boost controller, enabling it to support various topologies such as boost, boost-to-battery, SEPIC, and flyback. Its high-side PMOS FET driver allows for PWM dimming of LED strings and provides protection against external short circuits to ground. This device meets the stringent AEC-Q100 automotive standards, ensuring reliable performance in harsh environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage | 4–40 | V | Absolute maximum: 45 V |
| Output Voltage | 4–75 | V | Absolute maximum: 80 V |
| Operating Temperature | -40 to 125 | °C | Device temperature grade 1 |
| Current Detection Voltage | 150 or 300 | mV | EEPROM selectable |
| Internal Reference Voltage | 2.2 ±5% | V | |
| Peak Gate Drive Current | Typical | Integrated low-side NMOS-FET driver |
Key Features
- Peak current mode boost controller with integrated slope compensation.
- Dual feedback loops for constant current and constant voltage regulation.
- High-side PMOS FET driver for PWM dimming and short-circuit protection.
- Compliant with AEC-Q100 automotive standards for reliable performance.
- Wide input and output voltage ranges for versatile applications.
Applications
The TPS92601QPWPRQ1 is primarily used in automotive lighting systems, particularly for headlights. Its robust design and diagnostic features make it ideal for ensuring reliable operation in demanding automotive environments. Additionally, it can be employed in other LED lighting applications that require precise current control and high reliability.
Q & A
What is the input voltage range of the TPS92601QPWPRQ1?
The input voltage range is 4 V to 40 V, with an absolute maximum of 45 V.
What topologies does the TPS92601QPWPRQ1 support?
It supports boost, boost-to-battery, SEPIC, and flyback topologies.
Is the TPS92601QPWPRQ1 suitable for automotive applications?
Yes, it is AEC-Q100 compliant, making it suitable for automotive applications.
What is the maximum output voltage of the TPS92601QPWPRQ1?
The maximum output voltage is 75 V, with an absolute maximum of 80 V.
Does the TPS92601QPWPRQ1 support PWM dimming?
Yes, it features a high-side PMOS FET driver for PWM dimming.
What is the operating temperature range of the TPS92601QPWPRQ1?
It operates from -40°C to 125°C.
What is the purpose of the dual feedback loops?
The dual feedback loops allow for constant current and constant voltage regulation.
Does the TPS92601QPWPRQ1 have short-circuit protection?
Yes, it provides protection against external short circuits to ground.
What is the current detection voltage range?
The current detection voltage can be set to 150 mV or 300 mV via EEPROM.
What is the internal reference voltage of the TPS92601QPWPRQ1?
The internal reference voltage is 2.2 V ±5%.
