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Texas Instruments TPS610333QDRLRQ1
- Part No.:
- TPS610333QDRLRQ1
- Manufacturer:
- Texas Instruments
- Package:
- SOT-583
- Datasheet:
-
TPS610333QDRLRQ1.pdf
- Description:
- IC REG BOOST 5V SOT583
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
TPS610333QDRLRQ1 from Texas Instruments is an AEC-Q100 Grade 1 qualified synchronous boost converter for automotive and portable power applications, delivering fixed 5.0-V output from 1.8–5.5-V input, with 1.85-A typical valley current limit, 2.4-MHz switching frequency, and integrated output discharge via PG pin. It operates in pass-through mode when VIN > VOUT and supports auto PFM/forced PWM light-load operation.
For engineers reviewing the TPS610333QDRLRQ1 datasheet, TPS610333QDRLRQ1 pinout, TPS610333QDRLRQ1 application, or TPS610333QDRLRQ1 equivalent, key selection criteria include its SOT-5X3 (8-pin) package, ±1.5% reference accuracy over –40°C to +125°C, 5.75-V OVP threshold, 0.1-μA shutdown current, and functional safety documentation support.
Technical Context
The TPS610333QDRLRQ1 implements adaptive constant-on-time valley-current control with internal loop compensation, enabling stable regulation using small 0.47-μH inductors and ceramic capacitors. Its 2.1-mm × 1.6-mm SOT-5X3 package integrates dual MOSFETs (25-mΩ LS / 46-mΩ HS) and supports spread-spectrum modulation (±6%, 11-kHz dither) to reduce EMI.
It features true input-output disconnection during shutdown, open-drain power-good (PG) with 93–107% window detection and 1.3-ms rise delay, and programmable light-load behavior via MODE pin-auto PFM for peak efficiency or forced PWM for low-noise operation. Output discharge is implemented externally using PG and a dummy resistor.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 1.8 V to 5.5 V - supports single-cell Li-ion, LiFePO₄, and multi-cell alkaline/NiMH battery inputs without pre-regulation. |
| Output Voltage | Fixed 5.0 V (FB tied to VIN) - eliminates external feedback resistors and ensures ±1.5% accuracy across –40°C to +125°C. |
| Valley Current Limit | 1.85 A (typical) - defines maximum continuous output capability before foldback; lower than TPS61033-Q1's 5.5-A variant for cost-optimized designs. |
| Switching Frequency | 2.4 MHz (typical) - enables use of sub-1-μH inductors and compact 0402/0603 ceramic capacitors, reducing solution footprint. |
| Quiescent Current | 20 μA into VIN, 5.3 μA into VOUT - extends battery runtime in always-on systems like telematics or infotainment standby modes. |
| Shutdown Current | 0.1 μA - ensures negligible drain during vehicle ignition-off periods, critical for automotive battery preservation. |
| Output OVP Threshold | 5.75 V (typical) - protects downstream 5-V logic and USB peripherals from fault-induced overvoltage events. |
Pinout & Package
TPS610333QDRLRQ1 uses a 2.1-mm × 1.6-mm SOT-5X3 (8-pin) thermally enhanced package with exposed pad for improved thermal performance in space-constrained automotive modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Power input | Accepts 1.8–5.5-V supply; includes 1.7-V UVLO with 100-mV hysteresis to prevent brownout oscillation. |
| EN | Digital enable input | Active-high logic control (1.2-V threshold); internal 10-MΩ pull-down ensures default disable at power-up. |
| MODE | Light-load mode select | Logic high = forced PWM (low noise); logic low = auto PFM (high efficiency); internal 1-MΩ pull-down. |
| PG | Open-drain power-good indicator | Signals valid output (93–107% of 5 V) with 1.3-ms delay; used for system sequencing and output discharge via external RDummy. |
| FB | Feedback input | Internally tied to VIN for fixed 5-V operation; not configurable-no external resistor divider required or supported. |
| GND | Power ground | Primary return path for high-current switching loops; must be connected to low-impedance PCB plane. |
| SW | Switch node | Connects to inductor; carries high di/dt switching current; requires tight layout to minimize EMI and voltage spikes. |
| VOUT | Regulated output | Delivers up to ~1.7 A continuous (derated by thermal limits); includes short-circuit protection and reverse-current blocking. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q100 Grade 1 (–40°C to +125°C ambient), supporting under-hood and infotainment applications. |
| Functional safety support | Documentation available for ISO 26262 ASIL-B system integration, including FIT rate and failure mode analysis. |
| Integrated output discharge | Implemented via PG pin's 50-mA sink capability and external RDummy, ensuring rapid, controlled VOUT ramp-down on disable. |
| Pass-through mode | Enables direct conduction (HS FET fully on) when VIN > VOUT, reducing conduction loss and improving efficiency above regulation point. |
| Thermal & fault protection | Includes thermal shutdown (170°C trip), output overvoltage (5.75 V), short-circuit, and undervoltage lockout. |
Applications
| Automotive Infotainment Display | Smart Rearview Mirror |
|---|---|
|
Use Scenario: Powering 5-V LCD backlight and touch controller in vehicles where input varies from 6–16-V battery via LDO pre-regulator. IC Role / Device Role / Timing Role: Primary 5-V rail generator stepping up regulated 3.3-V intermediate supply to drive display electronics. Use Value: Fixed 5-V output eliminates calibration drift; 2.4-MHz operation avoids AM radio band interference; 0.1-μA shutdown preserves battery during parking mode. |
Use Scenario: Supplying 5-V USB host port and image sensor interface in compact rearview mirrors with strict height constraints. IC Role / Device Role / Timing Role: Compact boost stage replacing discrete solutions to meet 2.1-mm × 1.6-mm board area budget. Use Value: SOT-5X3 package enables <10-mm² solution size; pass-through mode improves efficiency when input exceeds 5 V; PG pin enables safe hot-plug detection. |
| Portable Medical Diagnostic Device | Industrial Handheld Scanner |
|
Use Scenario: Generating stable 5-V rail for microcontroller, Bluetooth module, and sensor interface in battery-powered ultrasound probes. IC Role / Device Role / Timing Role: Main power conversion IC converting single-cell Li-ion (2.7–4.2 V) to regulated 5 V for digital subsystems. Use Value: 20-μA quiescent current extends clinical-use battery life; ±1.5% reference accuracy ensures reliable ADC reference stability; AEC-Q100 qualification validates reliability for medical-grade deployment. |
Use Scenario: Providing 5-V power to CMOS image sensor and decode engine in ruggedized barcode scanners operating from 3.6-V Li-ion packs. IC Role / Device Role / Timing Role: High-efficiency boost converter enabling >8-hour runtime between charges in field-deployed units. Use Value: Auto PFM mode delivers >90% efficiency at 10-mA load (standby), while forced PWM maintains low ripple during active scanning; output short-circuit protection prevents damage during cable faults. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar boost converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS61033QDRLRQ1 | 5.5-A valley current limit, adjustable 2.2–5.5-V output via FB pin; larger current capability and flexible VOUT. | Suitable for higher-power loads (e.g., multi-display systems) requiring >1.85-A output or variable output voltage. | Select when design needs >1.7-A continuous output or programmable VOUT; requires external feedback resistors. |
| MAX20419ATPA/VY+ | 3.5-A peak current, 2.5–5.5-V input, 0.6–5.2-V output, 2.2-MHz switching, integrated soft-start and I²C control. | Supports dynamic output adjustment and telemetry via I²C; lacks AEC-Q100 Grade 1 rating and PG-based discharge. | Choose for systems needing programmable voltage scaling or telemetry; not suitable for automotive safety-critical functions without additional validation. |
Compared with TPS61033QDRLRQ1 and MAX20419ATPA/VY+, the TPS610333QDRLRQ1 offers optimized cost and footprint for fixed-5V automotive auxiliary rails, with guaranteed AEC-Q100 compliance and hardware-based discharge-making it ideal where simplicity, qualification, and predictable behavior outweigh programmability.
Availability
TPS610333QDRLRQ1 is available at Aetrix Electronics and suitable for automotive infotainment, portable medical diagnostics, and industrial handheld scanners requiring stable component supply, long-lifecycle support, and AEC-Q100-compliant power management.
Supply support for TPS610333QDRLRQ1 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 decades of automotive-grade power management innovation.
The TPS61033-Q1 family was designed specifically for AEC-Q100 Grade 1 automotive applications demanding high efficiency, small form factor, and robust fault protection in battery-powered subsystems.
FAQ
What is the output voltage configuration of the TPS610333QDRLRQ1?
The TPS610333QDRLRQ1 is factory-configured for fixed 5.0-V output only. Unlike the TPS61033-Q1, it does not support adjustable output via external feedback resistors-its FB pin must be connected directly to VIN to enable regulation. This simplifies design and improves accuracy, with ±1.5% reference voltage tolerance maintained across –40°C to +125°C.
How does the TPS610333QDRLRQ1 implement output discharge?
The TPS610333QDRLRQ1 implements output discharge using its open-drain PG pin and an external dummy resistor (RDummy) connected between PG and VOUT. When EN is deasserted, PG pulls low within 33 μs, sinking up to 50 mA through RDummy to rapidly discharge the output capacitor. The discharge rate is adjusted by selecting RDummy value, enabling controlled ramp-down without additional ICs.
Is the TPS610333QDRLRQ1 pin-compatible with other devices in the TPS61033-Q1 family?
Yes-the TPS610333QDRLRQ1 shares identical pinout, package (SOT-5X3, 8-pin), and footprint with TPS61033QDRLRQ1 and TPS61033AQDRLRQ1. However, functional differences exist: TPS610333QDRLRQ1 has 1.85-A valley current limit and fixed 5-V output, while TPS61033QDRLRQ1 supports adjustable output and 5.5-A current. PCB layout is reusable, but firmware and external components must match the selected variant.
What protection features does the TPS610333QDRLRQ1 include?
The TPS610333QDRLRQ1 includes output overvoltage protection (5.75 V trip), thermal shutdown (170°C), output short-circuit protection (limits to ~330 mA at VOUT < 0.4 V), undervoltage lockout (1.7-V rising threshold), and true input-output disconnection during shutdown. These features ensure robust operation in automotive environments subject to load dump, cold cranking, and intermittent faults.
Can the TPS610333QDRLRQ1 operate in pass-through mode?
Yes-the TPS610333QDRLRQ1 enters pass-through mode when VIN exceeds the regulated 5.0-V output by ~1%. In this state, the high-side MOSFET turns fully on, allowing current to flow directly from input to output with only inductor DCR and RDS(on) losses. It exits pass-through when VOUT drops below 97% of 5.0 V, resuming switching to maintain regulation-improving efficiency at higher input voltages.
TPS610333QDRLRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SOT-583
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Up
- Output Configuration:
- Positive
- Topology:
- Boost
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 1.8V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- -
- Frequency - Switching:
- 2.4MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-583
TPS610333QDRLRQ1 FAQ
1.How can I place an order for TPS610333QDRLRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS610333QDRLRQ1 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 TPS610333QDRLRQ1 reliable?
The price and inventory of TPS610333QDRLRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS610333QDRLRQ1 is usually 5 days.
3.What payment methods are accepted for TPS610333QDRLRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS610333QDRLRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS610333QDRLRQ1?
TPS610333QDRLRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS610333QDRLRQ1 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 TPS610333QDRLRQ1?
For technical support, including TPS610333QDRLRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS610333QDRLRQ1 requirements.
6.How does Aetrix verify that TPS610333QDRLRQ1 is sourced from the original manufacturer or authorized distributors?
All TPS610333QDRLRQ1 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 TPS610333QDRLRQ1 meets industry standards.
7.What is the process for return or replacement of TPS610333QDRLRQ1?
All TPS610333QDRLRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS610333QDRLRQ1, 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 TPS610333QDRLRQ1 part is unused and in its original packaging.
Return procedure for TPS610333QDRLRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPS610333QDRLRQ1 Tags
-
TPS562201DDCR
Texas Instruments
-
MC34063ABD-TR
STMicroelectronics
-
TPS561201DDCR
Texas Instruments
-
MC33063ADR
Texas Instruments
-
MC34063ADR
Texas Instruments
-
TPS560200DBVR
Texas Instruments
-
AP3012KTR-G1
Diodes Incorporated
-
TLV61048DBVR
Texas Instruments
-
AZ34063UMTR-G1
Diodes Incorporated
-
TPS562200DDCR
Texas Instruments
-
AP62300TWU-7
Diodes Incorporated
-
MC34063EBD-TR
STMicroelectronics
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