1. One-Sentence Description
The TPS25762CQRQLRQ1 is an automotive-grade USB Type-C® Power Delivery (PD) controller launched by Texas Instruments (TI). Integrated with a buck/boost regulator, it supports up to 65W output power, complies with USB PD 3.1 and PPS (Programmable Power Supply) standards, and is designed for complex automotive environments.
2. Core Features
- Automotive-Grade Reliability: AEC-Q100 certified, operating temperature range of -40°C to +125°C, supporting HBM/CDM ESD protection (±2000V/±750V).
- Wide Input Voltage Range: 5.5V to 18V (transient voltage withstands 40V), adapting to automotive battery fluctuations.
- Efficient Power Conversion: Four-switch buck/boost topology, supporting adjustable VBUS output from 3V to 21V with ±20mV step precision.
- Intelligent Power Management: Dynamic voltage/current regulation (12-bit DAC resolution), compatible with USB PD 3.1 PPS protocol.
- Multiple Protection Mechanisms: VBUS short-circuit protection, cable drop compensation, MFi overcurrent protection, thermal shutdown (167°C threshold).
- Flexible Configuration: Supports single/dual USB-PD ports (model-dependent), with parameter customization via GUI tools.
3. Core Technical Specifications
| Parameter | Typical Value/Range |
| Input Voltage (VIN) | 5.5V–18V (40V transient max) |
| Output Voltage (VBUS) | 3V–21V (±20mV step) |
| Maximum Output Power | 65W (21V@3A) |
| Switching Frequency | 300kHz/400kHz/450kHz |
| Quiescent Current (EN off) | <1μA |
| ESD Protection | HBM ±2000V, CDM ±750V |
| Operating Junction Temperature | -40°C to +150°C |
4. The Story Behind the Chip
With the acceleration of automotive electrification and intelligence, the demand for high-power and high-density USB power supply in in-vehicle chargers and smart cockpit devices has surged. Born from TI’s deep understanding of automotive electronics reliability and compatibility, the TPS25762CQRQLRQ1 aims to address the pain points of traditional solutions in wide voltage input, thermal management, and protocol compatibility. Its integrated design reduces the number of peripheral components, and the simultaneously launched GUI configuration tool lowers the development threshold, making it a benchmark for automotive-grade PD controllers.
5. Design Philosophy
- High Efficiency and Low Loss: Adopts a four-switch topology to reduce conversion losses, supporting high-efficiency output across a wide input range.
- Thermal Optimization: HotRod™ QFN package enhances heat dissipation performance, combined with thermal shutdown and dynamic frequency adjustment to extend lifespan.
- Safety Redundancy: Multiple protection mechanisms (overvoltage, overcurrent, short circuit) ensure system stability under extreme conditions.
Ease of Use: Pre-integrated Type-C CC logic, BC1.2 detection, and I²C interface simplify protocol stack development.
6. Application Scenarios
- Automotive USB Charging: Supports fast charging protocols for mobile phones, tablets, and other devices for plug-and-play use.
- In-Vehicle Media Centers: Provides stable power supply and data transmission for digital instruments and central control screens.
- Rear-Seat Entertainment Systems: Adapts to charging needs of multiple devices simultaneously, ensuring in-vehicle power safety.
- Industrial-Grade In-Vehicle Equipment: Power management for ADAS cameras, radar sensors, etc.
7. Unique Advantages
- True Automotive-Grade Certification: The only PD controller with AEC-Q100 certification and integrated buck/boost, suitable for harsh vehicle environments.
- PPS Precise Regulation: ±20mV voltage step and ±50mA current resolution, perfectly matching Qualcomm QC and PD3.1 fast charging.
- Anti-Interference Design: Built-in cable drop compensation algorithm eliminates voltage drop caused by long-line transmission.
- Thermal Management Advantages: Switching frequency jitter technology reduces EMI, with synchronous rectification efficiency exceeding 95%.
8. What Engineers Must Know When Selecting
- Input Voltage Range: Confirm the voltage fluctuation range of the automotive battery (e.g., minimum voltage during cold start).
- Power Requirements: 65W output requires inductors and electrolytic capacitors with ≥40V voltage resistance.
- Package and Heat Dissipation: Evaluate the PCB layout heat dissipation path for the RQL package; derate for high-temperature scenarios.
- Protocol Compatibility: Verify handshake compatibility with device-side PD controllers (e.g., mobile phones, laptops).
- Protection Priority: Select whether to enable VBUS short-circuit protection, NTC thermistor monitoring, etc., based on application scenarios.
Conclusion: The TPS25762CQRQLRQ1, with automotive-grade reliability at its core, is an ideal choice for automotive intelligent charging and device interconnection, thanks to its high efficiency, high integration, and flexible configuration. Its PPS precise regulation and anti-interference design are particularly suitable for automotive applications in complex electromagnetic environments, helping engineers quickly implement compliant and efficient USB Type-C power supply solutions.
Contact:
Sylvia Xu | ECSource Components Co.,Limited
Top 10 Test Laboratory Distributors in Asia.
D-U-N-S Number:655918890 | ISO90001 Certificated Company
Phone/Whatsapp: 0086-19806586673
Email:sylvia@ecsource.net
Line Card : FPGA, RF, MEMORY,CONNECTOR,Power
