Texas Instruments TPS6521905WRHBRQ1
- Part No.:
- TPS6521905WRHBRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Voltage Regulators - Linear + Switching
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
TPS6521905WRHBRQ1.pdf
- Description:
- AUTOMOTIVE USER-PROGRAMMABLE INT
- Quantity:
- Payment:

- Shipping:

Inventory:2,035
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Product details
Overview
TPS6521905WRHBRQ1 from Texas Instruments is an automotive-qualified user-programmable PMIC designed to supply multiple rails for processors, FPGAs, industrial controllers, and embedded digital systems.
As a automotive-qualified user-programmable pmic solution, TPS6521905WRHBRQ1 supports three buck converters, four LDO regulators, I2C control, NVM configuration, sequencing, GPIO/GPO functions, reset, interrupt, and protection features. For engineers reviewing the TPS6521905WRHBRQ1 datasheet, TPS6521905WRHBRQ1 pinout, TPS6521905WRHBRQ1 application, or TPS6521905WRHBRQ1 equivalent, this device is suitable for automotive processor modules, industrial MPU systems, FPGA boards, HMI panels, smart infrastructure, and embedded power architectures.
Technical Context
In embedded electronic systems, TPS6521905WRHBRQ1 typically operates as a configurable PMIC that generates and sequences multiple rails required by processors and peripheral subsystems.
The device architecture helps engineers manage power conversion efficiency, thermal performance, rail sequencing, output accuracy, and board-level reliability. PCB designers should verify input range, load-current budget, output-voltage configuration, thermal behavior, and layout guidance directly against the datasheet before production release.
TPS6521905WRHBRQ1 is commonly used in industrial controllers, communication modules, portable instruments, processor boards, sensor platforms, and compact embedded devices.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Device Type | Automotive-qualified user-programmable PMIC |
| Input / Supply Range | Refer to TPS6521905-Q1 datasheet for exact automotive input and regulator limits. |
| Regulator Outputs | Three buck converters and four LDO regulators. |
| Switching / Control Behavior | Synchronous buck channels support efficient multi-rail generation and dynamic voltage control. |
| Control and Monitoring | I2C interface, NVM programmability, GPIO/GPO, reset, and interrupt functions. |
| Protection Features | Protection functions may include undervoltage lockout, current limiting, thermal shutdown, short-circuit protection, or fault reporting. |
| Package | RHB 32-pin QFN package with automotive-qualified ordering option. |
| Operating Environment | Verify suffix-specific operating temperature range in the datasheet. |
Pinout & Package
The TPS6521905WRHBRQ1 pinout is optimized for compact power conversion, regulator feedback, enable control, status monitoring, and thermal grounding.
For PCB design, important practices include placing input/output capacitors close to the IC, using short high-current loops, routing feedback away from switching nodes, and connecting exposed pads to solid copper.
| Pin / Function | PCB Design and Circuit Role |
|---|---|
| VIN / Supply Pins | Input supply connections supporting regulator power and internal control circuitry. |
| Switching Nodes | High-frequency switching connections that should use compact power-loop routing. |
| Output Pins | Regulated output connections supplying downstream processor, memory, analog, or system rails. |
| Feedback / Sense Pins | Regulation feedback or sense nodes requiring quiet routing away from switching noise. |
| Enable / Control Pins | Logic inputs supporting power sequencing, shutdown, mode control, or system management. |
| Power-Good / Reset / Status Pins | Monitoring outputs or status pins used for processor supervision and fault handling. |
| GND / Exposed Pad | Ground and thermal return path requiring low-impedance PCB copper connection. |
Key Features
- Three buck converters and four LDO regulators integrated in one PMIC.
- NVM and I2C programmability support custom power-tree behavior.
- Automotive-qualified option supports demanding production environments.
- GPIO, reset, and interrupt functions support processor supervision.
- Integrated protection and monitoring features support reliable embedded power operation.
- Surface-mount package supports compact industrial, consumer, or communication-system PCB layouts.
Applications
| Processor and Digital Systems | Industrial Embedded Electronics |
|---|---|
|
Use Scenario: Used in processor, ASIC, FPGA, DSP, or embedded controller platforms. IC Role: Provides regulated rails, sequencing, bias, or supervisory power functions. Use Value: Helps reduce discrete regulator count and simplify compact power-tree design. |
Use Scenario: Used in automation modules, gateways, control boards, measurement systems, and industrial communication devices. IC Role: Supplies stable power to digital, analog, memory, or peripheral subsystems. Use Value: Improves power integration, reliability, and repeatable production layout. |
| Portable and Consumer Products | Communication and Automotive-Style Platforms |
|
Use Scenario: Used in battery-powered electronics, handheld instruments, smart devices, and compact modules. IC Role: Manages efficient voltage conversion and low-power rail operation. Use Value: Supports smaller PCB area, better efficiency, and improved thermal behavior. |
Use Scenario: Used in networking modules, infotainment, automotive-style controllers, or connected edge devices. IC Role: Provides robust conversion, monitoring, and system power management. Use Value: Supports reliable operation across demanding supply and load conditions. |
Equivalent & Alternatives
When evaluating a TPS6521905WRHBRQ1 equivalent, engineers should compare regulator topology, number of outputs, output-current capability, output-voltage options, package footprint, thermal behavior, control interface, protection features, and long-term sourcing requirements.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS6521905RHBR | Non-Q1 related orderable option with similar configurable PMIC architecture. | Used when automotive qualification is not required. | Choose TPS6521905WRHBRQ1 when Q1 qualification is required. |
| BD71847AMWV-E2 | ROHM processor PMIC optimized for NXP i.MX platforms with different rail and control architecture. | Used in i.MX processor modules. | Choose according to processor platform, qualification, and rail requirements. |
Compared with TPS6521905RHBR, TPS6521905WRHBRQ1 is optimized for the exact suffix, package, or configuration required by the target power tree. TPS6521905WRHBRQ1 vs BD71847AMWV-E2 selection depends on integration level, rail count, output-current budget, noise target, thermal design, and PCB area.
Quality
TPS6521905WRHBRQ1 should be sourced as original Texas Instruments components through traceable and controlled supply channels. Quality verification procedures may include package inspection, top-mark validation, solderability testing, moisture-sensitivity handling review, electrical output verification, and functional testing on the target PCB.
Because the device is used in power-management applications, production validation should include startup behavior, output accuracy, load-transient response, thermal performance, protection behavior, and layout-sensitive noise or ripple checks. Traceable sourcing helps maintain reliable long-term operation and reduce counterfeit supply-chain risk.
Availability
TPS6521905WRHBRQ1 available at Aetrix Electronics and is suitable for embedded and industrial power-management platforms requiring stable component availability and repeatable production support.
Supply support may include volume procurement planning, scheduled delivery arrangements, traceable sourcing management, and long-term supply support for OEM, industrial electronics manufacturers, communication-system developers, automotive electronics programs, and embedded product production.
For production builds, confirming package type, output-voltage option, load-current requirements, temperature grade, lead time, lifecycle status, and sourcing continuity helps reduce procurement risk and improve manufacturing stability.
Manufacturer
Texas Instruments is a global semiconductor manufacturer specializing in analog ICs, power-management devices, embedded processors, sensors, connectivity products, and industrial semiconductor solutions for automotive, industrial, communication, and consumer applications.
For embedded power systems, Texas Instruments provides DC-DC converters, LDO regulators, PMICs, sequencers, supervisors, and reference designs that support compact and scalable power-distribution architectures.
FAQ
What is TPS6521905WRHBRQ1 used for?
TPS6521905WRHBRQ1 is used for regulated power conversion, rail generation, bias supply, sequencing, and embedded power management.
Where can I find the TPS6521905WRHBRQ1 datasheet download?
The TPS6521905WRHBRQ1 datasheet download is available from Texas Instruments. The datasheet includes electrical specifications, package details, application information, operating limits, and PCB design guidance.
What should be considered in TPS6521905WRHBRQ1 pinout design?
TPS6521905WRHBRQ1 pinout design should prioritize short power loops, correct capacitor placement, exposed-pad grounding, feedback routing, enable sequencing, and thermal design.
What are common TPS6521905WRHBRQ1 equivalent solutions?
Common TPS6521905WRHBRQ1 equivalent alternatives include TPS6521905RHBR and BD71847AMWV-E2, depending on rail count, current requirements, package, control functions, and sourcing objectives.
Is TPS6521905WRHBRQ1 suitable for production power designs?
Yes. TPS6521905WRHBRQ1 can be used in production power systems when the datasheet limits, thermal design, component selection, layout requirements, and sourcing traceability are verified for the target application.
TPS6521905WRHBRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Topology:
- Step-Down (Buck) Synchronous (3), Linear (LDO) (4)
- Number of Outputs:
- 7
- Frequency - Switching:
- 2.3MHz
- Voltage/Current - Output 1:
- 0.6V ~ 3.4V, 3.5A
- Voltage/Current - Output 2:
- 0.6V ~ 3.4V, 2A
- Voltage/Current - Output 3:
- 0.6V ~ 3.4V, 2A
- w/LED Driver:
- No
- w/Supervisor:
- Yes
- w/Sequencer:
- Yes
- Voltage - Supply:
- 2.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 32-VQFN (5x5)
TPS6521905WRHBRQ1 FAQ
1.How can I place an order for TPS6521905WRHBRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS6521905WRHBRQ1 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 TPS6521905WRHBRQ1 reliable?
The price and inventory of TPS6521905WRHBRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS6521905WRHBRQ1 is usually 5 days.
3.What payment methods are accepted for TPS6521905WRHBRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS6521905WRHBRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS6521905WRHBRQ1?
TPS6521905WRHBRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS6521905WRHBRQ1 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 TPS6521905WRHBRQ1?
For technical support, including TPS6521905WRHBRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS6521905WRHBRQ1 requirements.
6.How does Aetrix verify that TPS6521905WRHBRQ1 is sourced from the original manufacturer or authorized distributors?
All TPS6521905WRHBRQ1 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 TPS6521905WRHBRQ1 meets industry standards.
7.What is the process for return or replacement of TPS6521905WRHBRQ1?
All TPS6521905WRHBRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS6521905WRHBRQ1, 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 TPS6521905WRHBRQ1 part is unused and in its original packaging.
Return procedure for TPS6521905WRHBRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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