Texas Instruments TPS62992QRYTRQ1
- Part No.:
- TPS62992QRYTRQ1
- Manufacturer:
- Texas Instruments
- Package:
- 9-TFQFN
- Datasheet:
-
TPS62992QRYTRQ1.pdf
- Description:
- IC REG BUCK ADJ 2A 9VQFN
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
TPS62992QRYTRQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive synchronous buck converter delivering up to 2-A continuous output current with ±1.5% VOUT accuracy across –40°C to +165°C junction temperature. It operates from 3-V to 10-V input, supports 0.4-V to 5.5-V output via internal VSET or external FB divider, and achieves 4-µA typical quiescent current in power-save mode - ideal for always-on ADAS domain controllers requiring high efficiency at ultra-light loads.
For engineers reviewing the TPS62992QRYTRQ1 datasheet, TPS62992QRYTRQ1 pinout, TPS62992QRYTRQ1 application, or TPS62992QRYTRQ1 equivalent, key selection criteria include its DCS-Control topology for fast transient response, dual 1-MHz/2.5-MHz switching frequency selection, MODE/S-CONF programmability for auto-PFM/forced-PWM operation, and wettable-flank 2.2-mm × 2.0-mm VQFN (RYT) package optimized for single-layer routing and automated optical inspection.
Technical Context
The TPS62992QRYTRQ1 implements TI's DCS-Control topology, combining voltage-mode stability with hysteretic-like transient response by feeding output voltage changes directly into a fast comparator stage while maintaining constant-frequency PWM under steady-state conditions. Its internal compensation eliminates external loop components, and seamless PWM/PFM transition ensures high efficiency across 10 µA–2 A load range.
Control logic integrates SmartConfig via the MODE/S-CONF pin: resistor-based configuration sets switching frequency (1 MHz or 2.5 MHz), VSET/FB mode, output discharge enable, and PFM/PWM behavior - all validated during startup before soft-start begins. The device also features precise EN threshold (VIH = 1.0 V, VIL = 0.85 V), 32-µs PG delay, and 100% duty-cycle capability for low-dropout operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 3 V to 10 V - supports 5-V, 3.3-V, 9-V rails and multi-cell Li-ion battery inputs without pre-regulation. |
| Output Current | Up to 2 A continuous - sufficient for powering SoC cores, FPGAs, or sensor hubs in automotive ECUs. |
| Quiescent Current | 4 µA typical in power-save mode - enables >1-year battery life in always-on vehicle modules. |
| Output Accuracy | ±1.5% over –40°C to +165°C TJ - meets tight regulation requirements for safety-critical ADAS power rails. |
| Switching Frequency | Selectable 1.0 MHz or 2.5 MHz - balances inductor size (1–4.7 µH), EMI, and light-load efficiency. |
| RDS(ON) | 62 mΩ (HS) / 22 mΩ (LS) - minimizes conduction loss and thermal rise at full load in compact RYT package. |
| Junction Temp Max | +165°C - certified for under-hood placement near powertrain or hybrid inverters without derating. |
Pinout & Package
The TPS62992QRYTRQ1 is housed in a wettable-flank 9-pin VQFN package (RYT), measuring 2.2 mm × 2.0 mm with 0.5-mm pitch - designed for reliable solder-joint inspection and thermal performance in high-reliability automotive PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PG (Pin 1) | Open-drain power-good indicator | Signals VOUT regulation status; requires external pullup; 32-µs delay ensures stable rail detection. |
| SW (Pin 2) | Power switch node | Connects to inductor; carries high di/dt; no external bootstrap capacitor needed due to integrated driver. |
| VOS (Pin 3) | Output voltage sense | Direct connection to output capacitor anode enables accurate remote sensing and improves load regulation. |
| GND (Pin 4) | Power ground reference | Must connect to low-impedance ground plane; separates power and signal return paths for noise immunity. |
| EN (Pin 5) | Enable control input | Logic-compatible (VIH = 1.0 V); precise threshold enables clean sequencing with MCU GPIOs or PMIC outputs. |
| VIN (Pin 6) | Main power input | Accepts 3–10 V; requires local 3–10 µF ceramic capacitor placed adjacent to minimize input ripple and EMI. |
| MODE/S-CONF (Pin 7) | Configuration & mode select | Resistor-programmable pin sets VSET/FB mode, FSW, discharge, and PFM/PWM - no runtime reconfiguration. |
| SS/TR (Pin 8) | Soft-start & tracking input | 2.5-µA current source charges external capacitor for controlled ramp; also accepts external tracking voltage. |
| FB/VSET (Pin 9) | Feedback or voltage-set input | Functions as FB (external divider) or VSET (resistor-to-GND) depending on MODE/S-CONF configuration. |
Key Features
| Feature | Design Value |
|---|---|
| DCS-Control topology | Delivers <10-µs load transient response with internal compensation - eliminates need for external loop components and reduces design iteration time. |
| AEC-Q100 Grade 1 qualification | Validated for –40°C to +125°C ambient (TJ up to +165°C) with HBM Level 2 and CDM Level C4B ESD - suitable for front-radar, camera, and gateway ECUs. |
| Flexible output configuration | 16 factory-programmed VOUT options (0.4 V–5.5 V) via VSET resistor or adjustable 0.6 V–5.5 V via FB divider - simplifies BOM management across multiple voltage rails. |
| Optimized pinout | Single-layer routing enabled by strategic SW/GND/VIN placement and wettable flanks - reduces PCB cost and improves AOI yield in high-volume automotive manufacturing. |
| Functional safety support | Documentation available for ISO 26262 ASIL-B system integration - includes FIT rate data, failure modes, and diagnostic coverage analysis. |
Applications
| ADAS Camera Module | Body Control Unit (BCU) |
|---|---|
Use Scenario: Powering image signal processor (ISP) and CMOS sensor in forward-facing 8-MP camera with always-on wake-up capability. IC Role / Device Role / Timing Role: Primary 1.2-V/1.8-V buck regulator supplying core logic and I/O rails; manages sequencing via SS/TR tracking of main SoC supply. Use Value: 4-µA IQ extends parking-mode battery life; ±1.5% accuracy prevents ISP brownout during rapid scene changes; 165°C TJ rating allows placement near lens actuator motor. | Use Scenario: Regulating 3.3-V microcontroller and LIN transceiver supply in door module with intermittent load pulses. IC Role / Device Role / Timing Role: Secondary buck converter deriving 3.3-V rail from 12-V battery; uses auto-PFM mode to maintain >85% efficiency at 100-µA sleep current. Use Value: 2.2-mm × 2.0-mm RYT package fits constrained space behind door panel; wettable flanks ensure solder joint reliability during thermal cycling. |
| Infotainment Head Unit | Electric Power Steering (EPS) ECU |
Use Scenario: Generating 5.0-V USB-C PD port supply and 1.1-V DDR memory rail in central display unit with dynamic load profiles. IC Role / Device Role / Timing Role: Dual-output support via cascaded configuration; 2.5-MHz FSW enables use of 1-µH inductors to meet EMI Class 5 limits. Use Value: Seamless PWM/PFM transition avoids audible coil whine during video playback; MODE/S-CONF resistor configures fixed 5.0-V output without external resistors. | Use Scenario: Providing 1.2-V core supply to torque-control MCU in EPS rack-mounted ECU exposed to engine bay temperatures. IC Role / Device Role / Timing Role: High-reliability buck converter operating continuously at TJ = 155°C; uses 100% duty cycle mode during cranking to sustain VOUT down to 6-V battery input. Use Value: +165°C rated silicon and RθJB = 25°C/W enable direct mounting on metal-core PCB; overtemperature shutdown protects against thermal runaway. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar buck converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS62993QRYTRQ1 | 3-A output current, identical pinout and feature set; shares same RYT package and DCS-Control architecture. | Required where peak load exceeds 2 A (e.g., multi-core radar SoCs); otherwise electrically interchangeable with TPS62992QRYTRQ1. | Select TPS62993QRYTRQ1 only when >2-A sustained current is confirmed; higher current capability increases conduction loss at light loads. |
| TPS62902QRYTRQ1 | 2-A output but wider 3-V to 18-V input range; lacks VSET internal divider and SmartConfig flexibility. | Suitable for 12-V/24-V commercial vehicle systems; not recommended for 5-V/9-V ADAS rails due to reduced light-load efficiency. | Choose TPS62902QRYTRQ1 only for legacy 24-V architectures; TPS62992QRYTRQ1 offers superior IQ and configurability for modern 12-V EV platforms. |
Compared with TPS62993QRYTRQ1 and TPS62902QRYTRQ1, the TPS62992QRYTRQ1 delivers optimal balance of ultra-low IQ (4 µA), precise 165°C thermal rating, and resistor-programmable flexibility - making it the preferred choice for next-generation ADAS and infotainment power domains where space, efficiency, and qualification rigor are critical.
Availability
TPS62992QRYTRQ1 is available at Aetrix Electronics and suitable for ADAS camera modules, body electronics control units, and infotainment head units requiring stable component supply across extended automotive temperature ranges and long production lifecycles.
Supply support for TPS62992QRYTRQ1 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-grade power management ICs with decades of AEC-Q100 validation expertise.
The TPS62992QRYTRQ1 belongs to TI's automotive-qualified DCS-Control buck converter family, engineered specifically for high-efficiency, high-reliability power delivery in ADAS, infotainment, and electrification systems operating up to +165°C junction temperature.
FAQ
What is the maximum junction temperature rating for the TPS62992QRYTRQ1?
The TPS62992QRYTRQ1 is rated for a maximum junction temperature of +165°C, validated per AEC-Q100 Grade 1 specifications. This enables direct placement in thermally demanding locations such as near radar antennas or powertrain control modules without external heatsinking, provided board-level thermal design meets RθJB ≤ 25°C/W per datasheet guidelines.
Does the TPS62992QRYTRQ1 require an external bootstrap capacitor?
No, the TPS62992QRYTRQ1 does not require an external bootstrap capacitor. Its integrated gate driver architecture eliminates this discrete component, reducing bill-of-materials count and PCB area - a key advantage over conventional buck controllers and simplifying layout for space-constrained automotive modules.
How is output voltage configured on the TPS62992QRYTRQ1?
The TPS62992QRYTRQ1 supports two output voltage configuration methods: (1) external feedback via FB/VSET pin using a resistive divider for 0.6-V to 5.5-V adjustment, or (2) internal VSET mode using a single resistor to GND for 16 factory-defined outputs from 0.4 V to 5.5 V - selected by the MODE/S-CONF pin configuration per Table 8-1 in the datasheet.
What protection features are integrated into the TPS62992QRYTRQ1?
The TPS62992QRYTRQ1 integrates overcurrent protection (HS/LS current limiting), overtemperature shutdown (168°C–185°C trip with 12.5°C hysteresis), input UVLO (2.925 V rising), and power-good monitoring. All protections are fully qualified for automotive use and operate across the full –40°C to +165°C junction temperature range without derating.
Can the TPS62992QRYTRQ1 operate in 100% duty cycle mode?
Yes, the TPS62992QRYTRQ1 supports 100% duty cycle operation, allowing VOUT to track VIN down to ~600 mV above dropout - critical for maintaining regulated output during cold-cranking events in automotive 12-V systems where battery voltage may dip to 6 V while powering safety-critical loads.
TPS62992QRYTRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 9-TFQFN
- 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):
- 3V
- Voltage - Input (Max):
- 10V
- Voltage - Output (Min/Fixed):
- 0.4V
- Voltage - Output (Max):
- 5.5V
- Current - Output:
- 2A
- Frequency - Switching:
- 1MHz, 2MHz
- 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 (2.2x2)
TPS62992QRYTRQ1 FAQ
1.How can I place an order for TPS62992QRYTRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS62992QRYTRQ1 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 TPS62992QRYTRQ1 reliable?
The price and inventory of TPS62992QRYTRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS62992QRYTRQ1 is usually 5 days.
3.What payment methods are accepted for TPS62992QRYTRQ1?
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4.How is shipping managed for TPS62992QRYTRQ1?
TPS62992QRYTRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS62992QRYTRQ1 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 TPS62992QRYTRQ1?
For technical support, including TPS62992QRYTRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS62992QRYTRQ1 requirements.
6.How does Aetrix verify that TPS62992QRYTRQ1 is sourced from the original manufacturer or authorized distributors?
All TPS62992QRYTRQ1 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 TPS62992QRYTRQ1 meets industry standards.
7.What is the process for return or replacement of TPS62992QRYTRQ1?
All TPS62992QRYTRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS62992QRYTRQ1, 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 TPS62992QRYTRQ1 part is unused and in its original packaging.
Return procedure for TPS62992QRYTRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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