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Texas Instruments TPS25831QCWRHBRQ1
- Part No.:
- TPS25831QCWRHBRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Power Management - Specialized
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
TPS25831QCWRHBRQ1.pdf
- Description:
- USB TYPE-C DCP CHARGE PORT CONVE
- Quantity:
- Payment:
- Shipping:
Inventory:4,976
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Product details
Overview
TPS25831QCWRHBRQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive USB Type-C® and BC1.2 charging port controller with integrated 36-V input, 5.1-V/3.5-A synchronous buck regulator, cable droop compensation up to 1.5 V, NTC-based thermal monitoring, and automatic DCP mode detection. It operates from –40°C to +125°C and delivers ±1% output voltage accuracy for stable USB power delivery in infotainment head units.
For engineers reviewing the TPS25831QCWRHBRQ1 datasheet, TPS25831QCWRHBRQ1 pinout, TPS25831QCWRHBRQ1 application, or TPS25831QCWRHBRQ1 equivalent, key selection criteria include its 32-pin wettable-flank QFN package, thermistor-input–enabled thermal warning flag, automatic DCP support (exclusive to TPS25831-Q1), and integrated VBUS short-to-battery protection on CC1/CC2/DP_IN/DM_IN pins.
Technical Context
The TPS25831QCWRHBRQ1 implements current-mode control with internal compensation and supports adjustable switching frequency from 300 kHz to 2.2 MHz via RT/SYNC pin-enabling optimization for efficiency or EMI. Its dual-threshold current limit architecture allows either average-current regulation or external NMOS-based overcurrent protection with LS_GD gate drive.
As a USB-IF Rev 1.3–compliant controller, it performs full CC logic negotiation (including 3-A/1.5-A advertisement), polarity detection (POL), and legacy BC1.2 CDP/SDP/DCP signature generation-with automatic DCP mode activation unique to the TPS25831-Q1 variant. Integrated protection includes ±8-kV contact / ±15-kV air IEC 61000-4-2 ESD on CC/DP/DM pins and VBUS short-to-VBAT tolerance up to 18 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5 V to 36 V - supports wide automotive battery range including cold-crank and load-dump transients. |
| Output Voltage | 5.1 V ±1% - ensures precise USB VBUS compliance across temperature and load. |
| Max Output Current | 3.5 A - sustains full-power USB-C charging under worst-case thermal conditions. |
| Cable Compensation | Up to 1.5 V - linearly adjusts VBUS to counteract IR drop in long automotive cables, maintaining constant voltage at device end. |
| Switching Frequency | 300 kHz to 2.2 MHz - configurable via RT resistor or external sync clock; avoids AM band above 2.1 MHz. |
| Thermal Monitoring | NTC input + THERM_WARN flag - enables user-programmable thermal overload protection with active-low warning signal. |
| AEC-Q100 Grade | Grade 1 (–40°C to +125°C TA) - qualified for under-hood and dashboard-mounted automotive applications. |
Pinout & Package
TPS25831QCWRHBRQ1 uses a 32-pin VQFN package (RHB0032AA) with 5.00 mm × 5.00 mm body size and wettable flanks for automated optical solder-joint inspection. Thermal pad is electrically connected to PGND.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN (1,2,3) | Power Input | High-current input path for 4.5–36 V supply; requires local high-quality bypass capacitors to PGND. |
| SW (28–31) | Power Switch Node | Connection point for external inductor; ties internal HS/LS FETs; high di/dt node requiring tight layout. |
| CSN/OUT (13) | Buck Output / Sense Negative | Regulated 5.1-V VBUS output and current-sense return; also serves as buck feedback node. |
| CSP (14) | Current Sense Positive | Inputs high-side current sense voltage across RSNS; sets buck current limit threshold. |
| NTC (8) | Thermal Sensor Input | Analog input for NTC thermistor divider; enables programmable thermal shutdown and warning thresholds. |
| THERM_WARN (7) | Thermal Warning Flag | Active-low open-drain output asserted when NTC voltage exceeds thermal warning threshold. |
| CC1 / CC2 (20,19) | Type-C Configuration Channel | Bi-directional analog I/O for USB-C plug orientation detection, current advertisement, and VCONN sourcing. |
| DP_IN / DM_IN (18,17) | USB Data Line Inputs | Connect directly to Type-C receptacle; rated for ±8-kV contact / ±15-kV air IEC 61000-4-2 ESD. |
| FAULT (24) | Fault Reporting | Active-low open-drain output signaling overvoltage, overcurrent, short-circuit, or overtemperature events. |
| RT/SYNC (9) | Frequency Control | Configurable as resistor-set oscillator input or external clock sync input; switches automatically based on voltage level. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive Qualification | AEC-Q100 Grade 1 (–40°C to +125°C), HBM ±2 kV, CDM ±750 V - validated for harsh automotive environments. |
| Integrated Cable Compensation | Programmable up to 1.5 V via IMON pin and RIMON resistor - maintains stable VBUS at portable device despite 200+ mΩ cable resistance. |
| Automatic DCP Mode | Dedicated BC1.2 DCP signature generation without host MCU intervention - reduces firmware complexity in head unit designs. |
| VCONN Source & Discharge | On-chip 5-V VCONN switch with 500 mΩ RDS(on) and 430 mA short-circuit limit - eliminates need for external VCONN LDO and discharge circuitry. |
| VBUS Short-to-Battery Protection | Withstands 18 V on CC1, CC2, DP_IN, DM_IN, and BUS pins - prevents latch-up during battery fault conditions. |
Applications
| Automotive Infotainment Head Units | USB Media Hubs |
|---|---|
Use Scenario: Integrated USB-C port in vehicle dashboard delivering power and data to smartphones, tablets, and wireless dongles. IC Role / Device Role / Timing Role: USB-C port controller + buck regulator + cable compensation engine - manages CC negotiation, VBUS regulation, and thermal safety. Use Value: Maintains 5.1 V ±1% at device end across 3.5-A loads and 1.5-V cable drop, enabling fast charging even with long harnesses. | Use Scenario: Centralized USB hub in rear-seat entertainment systems supporting multiple peripherals simultaneously. IC Role / Device Role / Timing Role: Dual-role power delivery controller with automatic DCP mode - negotiates optimal current for legacy and Type-C devices without host coordination. Use Value: Eliminates need for separate BC1.2 ICs or firmware polling, reducing BOM count and system latency during device insertion. |
| Automotive USB Charger Ports | Telematics Control Units (TCUs) |
Use Scenario: Dedicated 12-V-to-5-V USB-C charging port in center console or armrest with thermal derating. IC Role / Device Role / Timing Role: Thermally aware buck regulator with NTC input and THERM_WARN flag - provides early thermal warning before hard shutdown. Use Value: Enables graceful power reduction or UI alerts prior to thermal shutdown, improving user experience and system reliability. | Use Scenario: USB-C connectivity in cellular-connected TCUs for firmware updates, diagnostics, and tethering. IC Role / Device Role / Timing Role: Robust physical layer interface with IEC 61000-4-2 ±15-kV air discharge rating on CC/DP/DM - survives ESD events in service bay environments. Use Value: Reduces field failure risk from ESD-induced latch-up or damage during technician servicing or customer use. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar USB-C charging port controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS25830QCWRHBRQ1 | Same 32-pin QFN package and buck specs, but lacks NTC input and THERM_WARN; supports DP/DM analog switches instead. | Preferred where high-speed USB 2.0 data pass-through is required, not thermal monitoring. | Select TPS25830QCWRHBRQ1 only if DP/DM switching is needed and thermal warning is unnecessary. |
| MPQ4282GQ-AEC1-Z | Automotive-grade 36-V buck with 3.5-A output and ±1% accuracy, but no USB-C controller, CC logic, or BC1.2 support. | Suitable only as standalone power supply; requires external USB-C controller IC for full functionality. | Choose MPQ4282GQ-AEC1-Z only when separating power regulation and protocol control for design flexibility. |
Compared with TPS25831QCWRHBRQ1, TPS25830QCWRHBRQ1 trades thermal monitoring for DP/DM switching capability, while MPQ4282GQ-AEC1-Z offers higher integration density for non-USB power rails but adds system-level complexity for USB-C compliance.
Availability
TPS25831QCWRHBRQ1 is available at Aetrix Electronics and suitable for automotive infotainment head units, USB media hubs, and telematics control units requiring stable component supply, AEC-Q100 qualification, and production-ready USB-C power delivery.
Supply support for TPS25831QCWRHBRQ1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and automotive ICs, with decades of automotive qualification expertise and functional safety documentation support.
The TPS2583x-Q1 product line was designed specifically for automotive USB-C charging ports, integrating buck regulation, BC1.2 compatibility, cable compensation, and robust protection in a single AEC-Q100–qualified package.
FAQ
What is the maximum cable droop compensation voltage supported by the TPS25831QCWRHBRQ1?
The TPS25831QCWRHBRQ1 supports up to 1.5 V of cable droop compensation, achieved by programming the IMON pin with an external resistor (RIMON). This linear compensation adjusts the buck output voltage upward with increasing load current to maintain constant VBUS at the connected device, critical for reliable fast charging over long automotive wiring harnesses.
Does the TPS25831QCWRHBRQ1 support automatic DCP mode detection per BC1.2 Rev 1.2?
Yes, the TPS25831QCWRHBRQ1 natively supports automatic DCP mode detection and signature generation per USB Battery Charging Specification Rev 1.2. This feature is exclusive to the TPS25831-Q1 variant and enables plug-and-play charging for legacy non-Type-C devices without requiring host MCU involvement or additional discrete components.
What package type and dimensions does the TPS25831QCWRHBRQ1 use?
The TPS25831QCWRHBRQ1 uses a 32-pin VQFN package designated RHB0032AA, with nominal body dimensions of 5.00 mm × 5.00 mm and wettable flanks for automated optical inspection. The thermal pad is electrically connected to PGND and must be soldered to a PCB thermal plane for proper thermal performance.
How does the TPS25831QCWRHBRQ1 handle VBUS short-to-battery faults?
The TPS25831QCWRHBRQ1 provides dedicated short-to-battery protection on VBUS, CC1, CC2, DP_IN, and DM_IN pins, allowing them to withstand up to 18 V without damage or latch-up. This protects against battery fault conditions in automotive systems where VBUS may be exposed to 12-V or 24-V rail transients during service or failure modes.
What is the function of the THERM_WARN pin on the TPS25831QCWRHBRQ1?
The THERM_WARN pin on the TPS25831QCWRHBRQ1 is an active-low open-drain output that asserts when the voltage at the NTC pin exceeds a user-programmable thermal warning threshold. It enables early thermal alerting before reaching critical junction temperature, allowing system-level thermal management responses such as power throttling or UI notifications.
TPS25831QCWRHBRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- USB Type C
- Current - Supply:
- 700µA
- Voltage - Supply:
- 4.5V ~ 36V
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 32-VQFN (5x5)
TPS25831QCWRHBRQ1 FAQ
1.How can I place an order for TPS25831QCWRHBRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS25831QCWRHBRQ1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TPS25831QCWRHBRQ1 reliable?
The price and inventory of TPS25831QCWRHBRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS25831QCWRHBRQ1 is usually 5 days.
3.What payment methods are accepted for TPS25831QCWRHBRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS25831QCWRHBRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS25831QCWRHBRQ1?
TPS25831QCWRHBRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS25831QCWRHBRQ1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TPS25831QCWRHBRQ1?
For technical support, including TPS25831QCWRHBRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS25831QCWRHBRQ1 requirements.
6.How does Aetrix verify that TPS25831QCWRHBRQ1 is sourced from the original manufacturer or authorized distributors?
All TPS25831QCWRHBRQ1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPS25831QCWRHBRQ1 meets industry standards.
7.What is the process for return or replacement of TPS25831QCWRHBRQ1?
All TPS25831QCWRHBRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS25831QCWRHBRQ1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TPS25831QCWRHBRQ1 part is unused and in its original packaging.
Return procedure for TPS25831QCWRHBRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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