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Texas Instruments TPS62290IDRVRQ1
- Part No.:
- TPS62290IDRVRQ1
- Manufacturer:
- Texas Instruments
- Package:
- 6-WDFN Exposed Pad
- Datasheet:
-
TPS62290IDRVRQ1.pdf
- Description:
- IC REG BUCK ADJ 1A 6WSON
- Quantity:
- Payment:
- Shipping:
Inventory:2,976
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Product details
Overview
TPS62290IDRVRQ1 from Texas Instruments is an AEC-Q100 qualified automotive-grade synchronous step-down DC-DC converter delivering up to 1000 mA output current, operating from 2.3 V to 6.0 V input, with fixed 2.25-MHz switching frequency and ±1.5% output voltage accuracy in PWM mode. It powers critical subsystems in instrument clusters and front cameras where compact size and high efficiency across light-to-heavy loads are essential.
For engineers reviewing the TPS62290IDRVRQ1 datasheet, TPS62290IDRVRQ1 pinout, TPS62290IDRVRQ1 application, or TPS62290IDRVRQ1 equivalent, key selection considerations include its 2-mm × 2-mm SON-6 package, Power Save Mode (15 µA quiescent current), dynamic voltage positioning (+1% light-load offset), 100% duty cycle low-dropout operation, and MODE pin-controlled PFM/PWM mode transition.
Technical Context
The TPS62290IDRVRQ1 implements a voltage-mode PWM controller with input voltage feedforward for fast line/load regulation and uses internal high-side (240–480 mΩ) and low-side (185–380 mΩ) MOSFETs. Its functional architecture supports automatic PFM entry at light loads and forced PWM via MODE pin, enabling noise-sensitive system design while maintaining >90% peak efficiency across 10 mA–1 A load range.
It integrates undervoltage lockout (1.85 V falling threshold), thermal shutdown (140°C), short-circuit protection via dual current-limit comparators, and soft-start (250 µs ramp time). The device operates with external 2.2 µH inductor and 10 µF output capacitor, optimized for minimal solution footprint in space-constrained automotive modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.3 V to 6.0 V - Supports wide automotive battery range including cold-crank (≥2.3 V) and post-regulation rails. |
| Output Current | Up to 1000 mA - Sufficient for powering microcontrollers, image sensors, and display drivers in ADAS and infotainment. |
| Switching Frequency | 2.25 MHz (fixed) - Enables use of small 2.2 µH inductors and 0603/0805 ceramic capacitors for compact layout. |
| Quiescent Current | 15 µA (PFM mode) - Extends battery life in always-on vehicle systems without compromising wake-up responsiveness. |
| Output Voltage Accuracy | ±1.5% (PWM mode) - Ensures stable core voltage for 1.8 V logic rails under varying load and temperature conditions. |
| Thermal Shutdown | 140°C (typical) with 20°C hysteresis - Provides robust overtemperature protection during sustained high-current operation. |
| Package | 2.0 mm × 2.0 mm × 0.8 mm SON-6 with exposed PowerPAD - Delivers 37.2°C/W junction-to-board thermal resistance for passive cooling in sealed enclosures. |
Pinout & Package
TPS62290IDRVRQ1 is housed in a thermally enhanced 6-pin SON package (2.0 mm × 2.0 mm, 0.8 mm height) with an exposed PowerPAD that must be soldered to PCB ground for optimal thermal performance and electrical stability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SW | Switch node | Connects internal high-/low-side MOSFETs to external inductor; carries high di/dt switching current - requires tight loop routing to minimize EMI. |
| MODE | Mode control input | Pull to GND for automatic PFM/PWM transition; pull to VIN for forced fixed-frequency PWM - enables noise-sensitive or deterministic timing applications. |
| FB | Feedback input | Monitors output voltage via external resistor divider (or direct connection for fixed-VOUT variants); sets regulation point at 0.6 V reference. |
| EN | Enable input | Active-high logic control; pulling low disables converter and reduces supply current to <1 µA - used for power sequencing and system-level sleep control. |
| VIN | Power input | Accepts 2.3–6.0 V supply; includes internal UVLO (1.85 V) to prevent malfunction during brownout or battery sag. |
| GND | Ground reference | Primary signal and power return; must be connected to exposed PowerPAD for thermal and EMI performance. |
Key Features
| Feature | Design Value |
|---|---|
| Power Save Mode | Reduces quiescent current to 15 µA at light loads while maintaining regulation via PFM pulses - extends runtime in always-on automotive modules. |
| Dynamic Voltage Positioning | Raises regulated output by +1% during light loads - provides headroom to absorb sudden load steps without undershoot in camera or MCU power rails. |
| 100% Duty Cycle Operation | Enables dropout as low as VIN − VOUT ≈ IO × (RDS(on)HS + RINDUCTOR) - maximizes usable battery voltage in 12 V or 48 V vehicle systems. |
| Integrated Protection | Includes undervoltage lockout (1.85 V), thermal shutdown (140°C), and dual MOSFET current limiting - eliminates need for external fault management circuitry. |
| Soft-Start Ramp | Controls output rise time from 5% to 95% in 250 µs - prevents inrush current damage to input capacitors and avoids supply rail collapse during startup. |
Applications
| Instrument Cluster Power | Front Camera Core Supply |
|---|---|
Use Scenario: Powers microcontroller, graphics processor, and backlight driver in digital instrument clusters requiring continuous operation across -40°C to +85°C ambient. IC Role / Device Role / Timing Role: Primary 1.8 V buck regulator delivering up to 1 A with tight voltage accuracy and low ripple under dynamic load transients. Use Value: Maintains system uptime during cold cranking (VIN ≥2.3 V) and enables compact layout via 2.2 µH inductor and 2-mm² footprint. | Use Scenario: Supplies image sensor and ISP in ADAS front-facing camera modules where EMI sensitivity prohibits variable-frequency switching. IC Role / Device Role / Timing Role: Fixed-frequency 2.25-MHz buck converter configured in forced-PWM mode via MODE = VIN to eliminate audible noise and simplify EMI filtering. Use Value: Achieves >90% efficiency at 500 mA while meeting CISPR-25 Class 5 radiated emissions limits through deterministic switching. |
| Lane Departure Warning Sensor | Radios & Navigation Audio DSP |
Use Scenario: Powers vision processing unit in lane departure warning systems requiring rapid wake-from-sleep response and low standby power. IC Role / Device Role / Timing Role: Always-on 1.8 V supply with 15 µA quiescent current in PFM mode and sub-500 µs startup time after EN assertion. Use Value: Enables immediate system readiness upon ignition without compromising battery drain during parking mode. | Use Scenario: Generates clean 1.8 V core voltage for audio DSP and RF front-end in infotainment head units with strict PSRR requirements. IC Role / Device Role / Timing Role: High-PSRR buck converter using external feedforward capacitor (22 pF) and low-ESR ceramic output cap to suppress switching noise coupling into analog audio paths. Use Value: Delivers <10 mVpp output ripple in PWM mode, preventing audible artifacts in high-fidelity playback. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS62293IDRVRQ1 | Fixed 3.3 V output (vs adjustable 1.8 V); identical package, pinout, and specs otherwise. | Eliminates external feedback resistors but lacks flexibility for 1.8 V logic rails. | Select when system requires 3.3 V I/O supply and board space is constrained - no layout change needed. |
| LM63625QDSXRQ1 | 2.5 MHz switching, 2.5 A output, 3.2 V–36 V input; larger 3-mm × 2-mm WSON package. | Supports higher current and wider input range but consumes more PCB area and costs more. | Choose for future-proofing or if next-gen designs require >1 A or 24 V battery compatibility. |
Compared with TPS62293IDRVRQ1, the TPS62290IDRVRQ1 offers adjustable output for precise 1.8 V core regulation, while LM63625QDSXRQ1 trades footprint efficiency for higher current and input voltage range - making TPS62290IDRVRQ1 optimal for cost- and space-sensitive 1.8 V automotive subsystems.
Availability
TPS62290IDRVRQ1 is available at Aetrix Electronics and suitable for automotive infotainment, ADAS sensor modules, and HEV/EV onboard charger control circuits requiring stable component supply, AEC-Q100 compliance, and long-term production continuity.
Supply support for TPS62290IDRVRQ1 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 experience in high-reliability power management solutions.
The TPS6229x-Q1 product line delivers highly integrated, AEC-Q100 qualified buck converters optimized for space-constrained automotive subsystems demanding high efficiency, low quiescent current, and robust thermal performance.
FAQ
What is the recommended inductor value for TPS62290IDRVRQ1 in a typical 1.8 V application?
The TPS62290IDRVRQ1 is optimized for use with a 2.2 µH shielded power inductor rated for ≥1.5 A saturation current and ≤120 mΩ DC resistance. This value balances ripple current (≈300 mA pk-pk at 1 A), PFM-mode output voltage ripple, and PCB footprint. Inductors between 1.5 µH and 4.7 µH are supported, but deviation beyond this range may impact stability or transient response. The TPS62290IDRVRQ1 datasheet specifies L1 = 2.2 µH in all reference schematics.
Does TPS62290IDRVRQ1 support true 100% duty cycle operation, and what is the minimum input voltage to sustain 1.8 V output at full load?
Yes, TPS62290IDRVRQ1 enters 100% duty cycle mode when VIN approaches VOUT to maintain regulation. At 1000 mA load and 1.8 V output, minimum VIN is calculated as VOUT + IO × (RDS(on)HSmax + RINDUCTOR). With RDS(on)HSmax = 480 mΩ and typical 2.2 µH inductor DCR of 30 mΩ, minimum VIN ≈ 1.8 V + 1 A × 0.51 Ω = 2.31 V - matching its 2.3 V absolute minimum rating. The TPS62290IDRVRQ1 sustains regulation down to this limit.
How does the MODE pin affect efficiency and noise performance of TPS62290IDRVRQ1?
When MODE = GND, TPS62290IDRVRQ1 operates in Power Save Mode (PFM) at light loads (<100 mA), achieving ~88% efficiency and 15 µA IQ, but with variable switching frequency causing broadband noise. When MODE = VIN, it forces fixed 2.25-MHz PWM mode across all loads - reducing efficiency at light loads (~75%) but enabling predictable EMI filtering and eliminating audible coil whine. The TPS62290IDRVRQ1's dual-mode capability allows system-level trade-offs between efficiency and noise.
Can TPS62290IDRVRQ1 be used with ceramic output capacitors only, and what is the minimum required capacitance?
Yes, TPS62290IDRVRQ1 is designed for ceramic output capacitors exclusively. Minimum recommended value is 4.7 µF (X5R/X7R, 6.3 V rating), though 10 µF is specified in all reference designs for optimal transient response and PFM-mode ripple suppression. Total effective capacitance must remain ≥3.5 µF after derating for DC bias and temperature. Using less than 4.7 µF risks instability or excessive output voltage deviation during load steps. The TPS62290IDRVRQ1's control loop is compensated for ceramic-only output networks.
Is TPS62290IDRVRQ1 pin-compatible with other devices in the TPS6229x-Q1 family, and can it replace TPS62293IDRVRQ1 on the same PCB?
TPS62290IDRVRQ1 and TPS62293IDRVRQ1 share identical DRV (SON-6) package, pinout, and thermal pad layout - they are mechanically and electrically pin-compatible. However, TPS62293IDRVRQ1 has internal 3.3 V feedback divider and no FB pin connection required, whereas TPS62290IDRVRQ1 requires external resistors for 1.8 V. Direct replacement is possible only if the FB network is removed or reconfigured; otherwise, output voltage will be incorrect. The TPS62290IDRVRQ1 and TPS62293IDRVRQ1 differ solely in feedback configuration, not pin function.
TPS62290IDRVRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 6-WDFN Exposed Pad
- 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):
- 2.3V
- Voltage - Input (Max):
- 6V
- Voltage - Output (Min/Fixed):
- 0.6V
- Voltage - Output (Max):
- 6V
- Current - Output:
- 1A
- Frequency - Switching:
- 2.25MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-WSON (2x2)
TPS62290IDRVRQ1 FAQ
1.How can I place an order for TPS62290IDRVRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS62290IDRVRQ1 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 TPS62290IDRVRQ1 reliable?
The price and inventory of TPS62290IDRVRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS62290IDRVRQ1 is usually 5 days.
3.What payment methods are accepted for TPS62290IDRVRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS62290IDRVRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS62290IDRVRQ1?
TPS62290IDRVRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS62290IDRVRQ1 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 TPS62290IDRVRQ1?
For technical support, including TPS62290IDRVRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS62290IDRVRQ1 requirements.
6.How does Aetrix verify that TPS62290IDRVRQ1 is sourced from the original manufacturer or authorized distributors?
All TPS62290IDRVRQ1 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 TPS62290IDRVRQ1 meets industry standards.
7.What is the process for return or replacement of TPS62290IDRVRQ1?
All TPS62290IDRVRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS62290IDRVRQ1, 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 TPS62290IDRVRQ1 part is unused and in its original packaging.
Return procedure for TPS62290IDRVRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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