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Texas Instruments TPS62816QWRWYRQ1
- Part No.:
- TPS62816QWRWYRQ1
- Manufacturer:
- Texas Instruments
- Package:
- 9-VFQFN
- Datasheet:
-
TPS62816QWRWYRQ1.pdf
- Description:
- IC REG BUCK ADJ 6A 9VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,663
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Product details
Overview
TPS62816QWRWYRQ1 from Texas Instruments is an AEC-Q100 Grade 1 (–40°C to +125°C TA) automotive synchronous step-down DC/DC converter delivering up to 6-A continuous output current, with 2.7-V to 6-V input range, 0.6-V to 5.5-V adjustable output voltage, ±1% output voltage accuracy in PWM mode, and 26-µA typical quiescent current. It serves as a primary power supply for ADAS sensor fusion and digital cockpit domain controllers.
For engineers reviewing the TPS62816QWRWYRQ1 datasheet, TPS62816QWRWYRQ1 pinout, TPS62816QWRWYRQ1 application, or TPS62816QWRWYRQ1 equivalent, key selection considerations include its wettable-flank VQFN package, 1.8-MHz to 4-MHz adjustable switching frequency, forced-PWM/PFM mode flexibility, precise ENABLE with user-defined UVLO, and integrated power-good window comparator.
Technical Context
The TPS62816QWRWYRQ1 uses peak current mode control with internally compensated loop and dual compensation settings selectable via resistor on COMP/FSET pin-enabling stable operation across 32 µF to 470 µF output capacitance ranges. Its MODE/SYNC pin supports both PFM/PWM auto-mode transition and external clock synchronization from 1.8 MHz to 4 MHz with <50-µs lock time.
It integrates low-RDS(on) MOSFETs (11 mΩ high-side, 9 mΩ low-side at VIN ≥ 5 V), active output discharge (50-Ω internal RDIS), 100% duty-cycle operation, and spread spectrum clocking-configurable via COMP/FSET-to reduce EMI without external components. Thermal shutdown activates at 180°C with 15°C hysteresis, and junction temperature rating extends to +150°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.7 V to 6 V - supports direct connection to automotive 3.3-V, 5-V, and 12-V (via pre-regulator) rails. |
| Output Current | 6 A continuous - enables single-chip power delivery for high-performance SoCs in ADAS ECUs. |
| Output Voltage Accuracy | ±1% in PWM mode - ensures tight regulation for sensitive core logic and SerDes supplies. |
| Quiescent Current | 26 µA typical - minimizes standby power loss in always-on vehicle domains. |
| Switching Frequency | 1.8 MHz to 4 MHz - allows EMI-sensitive placement near camera modules or radar ICs. |
| Package | VQFN-RWY, 3.0 mm × 2.0 mm with wettable flanks - supports automated optical inspection (AOI) and reliable solder joint validation per automotive standards. |
| Functional Safety | Functional Safety-Capable - includes documentation for ISO 26262 ASIL-B system-level integration. |
Pinout & Package
VQFN-RWY package, 3.0 mm × 2.0 mm body size, 9-pin layout with wettable flanks for enhanced solder joint reliability and AOI compatibility.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EN (Pin 8) | Enable control input | Logic-compatible input with 1.0–1.15 V high threshold; enables programmable UVLO and precise power sequencing. |
| FB (Pin 5) | Feedback voltage sense | Monitors resistive divider output; sets regulated VOUT with 0.6-V reference and ±1% accuracy in PWM mode. |
| GND (Pin 4) | Power ground | Primary return path for high-current SW node and internal bias circuits; requires low-inductance PCB connection. |
| MODE/SYNC (Pin 1) | Mode selection / sync input | Configures PFM/PWM auto-mode (low) or forced PWM (high); accepts external 1.8–4 MHz clock for multi-rail synchronization. |
| COMP/FSET (Pin 7) | Loop compensation / frequency set | Resistor-to-GND sets switching frequency (1.8–4 MHz) and selects one of two internal compensation networks for stability with varied COUT. |
| PG (Pin 9) | Power-good open-drain output | Asserts high-Z when VOUT is within ±5% window of target; sinks up to 2 mA; signals rail readiness to host controller. |
| SS/TR (Pin 6) | Soft-start / tracking input | Capacitor-to-GND sets startup ramp time; accepts external voltage for supply tracking and controlled rail sequencing. |
| SW (Pin 3) | Switch node | Connects to internal high/low-side MOSFETs; carries high di/dt current; requires minimized loop area and thermal relief. |
| VIN (Pin 2) | Input power supply | Accepts 2.7–6 V; requires local 5–10 µF effective capacitance placed adjacent to pin for transient suppression. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for –40°C to +125°C ambient operation - meets automotive infotainment and ADAS environmental requirements. |
| Adjustable soft start & tracking | SS/TR pin supports user-defined ramp time or external voltage tracking - eliminates inrush current and enables precise multi-rail sequencing. |
| Active output discharge | 50-Ω internal discharge path - ensures rapid VOUT decay during shutdown, preventing back-powering of downstream circuitry. |
| Spread spectrum clocking (SSC) | Configurable via COMP/FSET - reduces peak EMI by up to 10 dB without external filters, easing CISPR 25 Class 5 compliance. |
| 100% duty-cycle operation | Enables dropout operation down to VIN – VOUT ≈ 100 mV - supports ultra-low dropout scenarios like battery-backed backup rails. |
| Power-good window comparator | Detects VOUT within ±5% of target - provides robust fault signaling independent of EN state or thermal events. |
Applications
| ADAS Sensor Fusion ECU | Surround-View Camera Hub |
|---|---|
|
Use Scenario: Powers image signal processor (ISP) and companion SoC in centralized ADAS domain controller handling radar, LiDAR, and camera data fusion. IC Role / Device Role / Timing Role: Primary 1.1-V/3-A and 1.8-V/2-A core supply with tight regulation and fast transient response to handle burst-mode processing loads. Use Value: ±1% output accuracy and 26-µA quiescent current ensure deterministic ISP performance and low standby power in parked-mode vision systems. |
Use Scenario: Supplies multiple 3.3-V camera interfaces and MIPI CSI-2 serializer ICs in 360° surround-view system with four fisheye cameras. IC Role / Device Role / Timing Role: High-efficiency 3.3-V/4-A rail generator with 2.25-MHz fixed-frequency PWM mode to avoid interference with camera pixel clocks. Use Value: Wettable-flank VQFN package enables AOI verification of solder joints critical for safety-critical camera connectivity. |
| Digital Cockpit Infotainment | Automotive Audio Amplifier |
|
Use Scenario: Delivers 5-V/3-A and 1.0-V/6-A rails to application processor, GPU, and display interface in next-gen digital instrument cluster and head-up display. IC Role / Device Role / Timing Role: Dual-output capable via configuration; supports dynamic voltage scaling (DVS) for CPU/GPU cores using SS/TR tracking. Use Value: Adjustable 1.8–4 MHz switching frequency allows layout optimization to avoid noise coupling into touch-sensitive display layers. |
Use Scenario: Provides clean, low-noise 12-V bias supply for Class-D audio amplifier ICs driving door speakers and subwoofers. IC Role / Device Role / Timing Role: Secondary buck stage stepping down from 12-V battery to regulated 12-V amplifier rail with spread spectrum enabled. Use Value: SSC reduces conducted EMI on power lines, preventing audible noise injection into analog audio signal paths. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS62903RTER | Lower IQ (15 µA), smaller 2-mm × 2-mm package, but rated only to 4 A and lacks AEC-Q100 qualification. | Targeted at non-automotive portable or industrial applications requiring ultra-low quiescent current. | Select only for non-automotive designs where AEC-Q100 compliance and 6-A capability are not required. |
| MPQ4436AGL-AEC1-Z | 6-A AEC-Q100 Grade 1 part with similar 2.7–6 V input, but fixed 2.2-MHz frequency, no spread spectrum, and no SS/TR tracking capability. | Suitable for cost-sensitive ADAS modules where rail sequencing and EMI reduction are secondary priorities. | Choose when fixed-frequency operation suffices and board space constraints favor MPQ's 3-mm × 4-mm QFN over RWY's 3-mm × 2-mm footprint. |
Compared with TPS62816QWRWYRQ1, TPS62903RTER offers lower quiescent current but omits automotive qualification and 6-A capability, while MPQ4436AGL-AEC1-Z provides AEC-Q100 compliance and same current rating but sacrifices soft-start control, spread spectrum, and precision sequencing features essential for complex domain controllers.
Availability
TPS62816QWRWYRQ1 is available at Aetrix Electronics and suitable for ADAS sensor fusion, digital cockpit, and surround-view ECU applications requiring stable component supply, long-term automotive lifecycle support, and traceable sourcing.
Supply support for TPS62816QWRWYRQ1 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 and embedded processing technologies, with deep expertise in automotive power management and functional safety design.
The TPS62816QWRWYRQ1 belongs to TI's automotive-grade buck converter product line, engineered specifically for high-reliability, low-EMI power delivery in ADAS and digital cockpit systems operating under stringent AEC-Q100 and ISO 26262 requirements.
FAQ
What is the maximum continuous output current supported by the TPS62816QWRWYRQ1?
The TPS62816QWRWYRQ1 delivers up to 6 A of continuous output current under recommended operating conditions (TA ≤ +125°C, proper PCB thermal design). This rating assumes use of the specified 0.15–0.3 µH inductor and ≥32 µF effective output capacitance. Derating applies above +125°C ambient or with insufficient copper area.
Does the TPS62816QWRWYRQ1 support external synchronization of its switching frequency?
Yes, the TPS62816QWRWYRQ1 supports external synchronization via the MODE/SYNC pin, accepting clock signals from 1.8 MHz to 4 MHz. The device locks to the external clock within 50 µs and maintains phase alignment-enabling synchronized switching across multiple converters to minimize beat frequencies and system-level EMI.
How does the TPS62816QWRWYRQ1 implement power-good monitoring?
The TPS62816QWRWYRQ1 uses an internal window comparator on the FB pin to monitor output voltage. The PG pin asserts high-impedance only when VOUT is within ±5% of the target (e.g., 3.135 V–3.465 V for 3.3 V output). It remains low during EN disable, UVLO, thermal shutdown, or out-of-regulation conditions-providing unambiguous rail status to microcontrollers.
Can the TPS62816QWRWYRQ1 operate with 100% duty cycle, and what is its minimum dropout voltage?
Yes, the TPS62816QWRWYRQ1 enters 100% duty-cycle mode when VIN approaches VOUT, maintaining regulation by holding the high-side FET fully on. Minimum dropout is determined by RDS(on) × ILOAD; at 6 A and 11 mΩ, dropout is ~66 mV-enabling operation with VIN as low as VOUT + 66 mV under full load.
What package type and dimensions does the TPS62816QWRWYRQ1 use, and why are wettable flanks important?
The TPS62816QWRWYRQ1 uses a 9-pin VQFN-RWY package measuring 3.0 mm × 2.0 mm with 0.4-mm pitch and wettable flanks. Wettable flanks expose solderable metal along the vertical side walls, enabling automated optical inspection (AOI) of solder joint integrity-a mandatory requirement for automotive PCB assembly per IPC-A-610 and J-STD-001.
TPS62816QWRWYRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 9-VFQFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.7V
- Voltage - Input (Max):
- 6V
- Voltage - Output (Min/Fixed):
- 0.6V
- Voltage - Output (Max):
- 5.5V
- Current - Output:
- 6A
- Frequency - Switching:
- 1.8MHz ~ 4MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 9-VQFN-HR (3x2)
TPS62816QWRWYRQ1 FAQ
1.How can I place an order for TPS62816QWRWYRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS62816QWRWYRQ1 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 TPS62816QWRWYRQ1 reliable?
The price and inventory of TPS62816QWRWYRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS62816QWRWYRQ1 is usually 5 days.
3.What payment methods are accepted for TPS62816QWRWYRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS62816QWRWYRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS62816QWRWYRQ1?
TPS62816QWRWYRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS62816QWRWYRQ1 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 TPS62816QWRWYRQ1?
For technical support, including TPS62816QWRWYRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS62816QWRWYRQ1 requirements.
6.How does Aetrix verify that TPS62816QWRWYRQ1 is sourced from the original manufacturer or authorized distributors?
All TPS62816QWRWYRQ1 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 TPS62816QWRWYRQ1 meets industry standards.
7.What is the process for return or replacement of TPS62816QWRWYRQ1?
All TPS62816QWRWYRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS62816QWRWYRQ1, 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 TPS62816QWRWYRQ1 part is unused and in its original packaging.
Return procedure for TPS62816QWRWYRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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