Texas Instruments LMZ21701SILR
- Part No.:
- LMZ21701SILR
- Manufacturer:
- Texas Instruments
- Category:
- DC DC Converters
- Package:
- 8-SMD Module
- Datasheet:
-
LMZ21701SILR.pdf
- Description:
- DC DC CONVERTER 0.9-6V 6W
- Quantity:
- Payment:

- Shipping:

Inventory:4,474
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
LMZ21701SILR from Texas Instruments is a compact SIMPLE SWITCHER® nano module designed for high-efficiency step-down DC-DC power conversion in embedded and space-constrained electronic systems. The device integrates the power inductor and switching regulator into a single module package, simplifying PCB design and reducing external component count for industrial, communication, portable, and embedded power-management applications.
As an integrated power-module solution, LMZ21701SILR provides stable low-voltage power rails with high efficiency and optimized thermal behavior. For engineers reviewing the LMZ21701SILR datasheet, LMZ21701SILR pinout, LMZ21701SILR application, or LMZ21701SILR equivalent, this device is widely used in industrial embedded power systems and compact digital electronics.
Technical Context
In embedded electronic systems, LMZ21701SILR typically operates as a synchronous buck regulator used to convert higher system voltages into stable low-voltage rails for processors, sensors, communication ICs, FPGAs, and mixed-signal subsystems.
The integrated module architecture combines switching MOSFETs, control circuitry, and inductor components into a compact package, reducing PCB layout complexity and improving EMI behavior compared with discrete regulator implementations.
LMZ21701SILR is commonly used in industrial automation systems, communication modules, portable instruments, embedded processors, distributed power architectures, IoT gateways, and compact digital control platforms.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Device Type | Integrated synchronous step-down DC-DC nano module optimized for compact embedded power conversion. |
| Integrated Inductor | Built-in inductor simplifies PCB layout and reduces external component requirements. |
| High Efficiency | Optimized switching architecture improves thermal performance and power-conversion efficiency. |
| Compact Nano Module | Supports space-constrained embedded and portable PCB implementations. |
| Wide Input Voltage Range | Supports flexible industrial and distributed embedded power architectures. |
| Low EMI Operation | Improves compatibility with mixed-signal and communication-system environments. |
| Integrated Protection Features | Includes fault-protection mechanisms supporting reliable embedded power operation. |
Pinout & Package
The LMZ21701SILR pinout is optimized for compact power-conversion PCB layouts and includes VIN input pins, regulated VOUT connections, feedback configuration, enable control, and grounding nodes supporting high-efficiency DC-DC operation.
For PCB design, input bypass capacitors should be positioned close to the VIN and GND pins to minimize switching-loop inductance. Thermal copper regions and short high-current routing help improve heat dissipation and converter stability.
| Pin / Function | PCB Design and Circuit Role |
|---|---|
| VIN | Input supply connection supporting embedded DC-DC conversion operation. |
| VOUT | Regulated low-voltage output supplying downstream embedded circuitry. |
| EN | Enable-control input supporting power sequencing and system management. |
| FB | Feedback node supporting output-voltage regulation configuration. |
| PG | Power-good monitoring output supporting embedded system supervision. |
| GND | Ground-return and thermal dissipation connection supporting stable regulator operation. |
Key Features
- Integrated nano module architecture reduces PCB complexity and external component count.
- High-efficiency synchronous buck conversion improves embedded thermal and power performance.
- Built-in inductor supports compact and simplified PCB implementation.
- Low EMI characteristics improve mixed-signal and communication-system compatibility.
- Compact package supports dense industrial and portable electronic layouts.
- Integrated protection features improve embedded power-system reliability.
Applications
| Industrial Embedded Systems | Communication and Networking Equipment |
|---|---|
|
Use Scenario: Used in industrial controllers, automation modules, and embedded processing systems. IC Role: LMZ21701SILR provides stable low-voltage power conversion for embedded subsystems. Use Value: Helps improve power efficiency and compact industrial PCB integration. |
Use Scenario: Used in communication modules, gateways, and networking infrastructure. IC Role: Supplies regulated low-noise power for digital communication electronics. Use Value: Supports reliable communication-system operation and distributed power management. |
| Portable and Medical Electronics | FPGA and Processor Power Rails |
|
Use Scenario: Used in portable instruments, medical embedded electronics, and battery-powered systems. IC Role: Performs efficient compact DC-DC voltage regulation. Use Value: Improves battery efficiency and embedded thermal performance. |
Use Scenario: Used in FPGA, processor, and SoC power-distribution architectures. IC Role: Generates stable low-voltage rails for digital processing subsystems. Use Value: Supports reliable processor operation and optimized power integrity. |
Equivalent & Alternatives
When evaluating a LMZ21701SILR equivalent, engineers should compare output-current capability, module integration level, thermal behavior, efficiency performance, and PCB size requirements.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPSM82823ASILR | Texas Instruments TPSM82823ASILR provides integrated DC-DC module functionality with different current capability and switching architecture. | Widely used in compact industrial and communication power systems. | Choose LMZ21701SILR for SIMPLE SWITCHER nano-module compatibility and compact embedded integration. |
| MPM3610 | Monolithic Power Systems MPM3610 offers integrated buck conversion with different thermal and EMI characteristics. | Commonly used in embedded digital and industrial power applications. | Choose LMZ21701SILR for Texas Instruments ecosystem compatibility and simplified embedded power design. |
Compared with TPSM82823ASILR, LMZ21701SILR is optimized for compact SIMPLE SWITCHER nano-module applications and simplified PCB implementation. LMZ21701SILR vs MPM3610 selection depends on output-current requirements, thermal constraints, EMI targets, and embedded power-system architecture.
Quality
LMZ21701SILR should be sourced as original Texas Instruments components through traceable and controlled supply channels. Quality verification procedures may include package inspection, marking validation, solderability testing, thermal characterization, and electrical verification according to embedded production requirements.
Because the device operates in high-frequency switching environments, optimized PCB grounding, controlled thermal design, and proper power-layout practices help maintain long-term operational reliability. Traceable sourcing supports industrial and embedded manufacturing quality.
Availability
LMZ21701SILR available at Aetrix Electronics and is suitable for embedded power-management and compact DC-DC conversion 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, and embedded power-platform production programs.
For production builds, confirming package type, output-current requirements, thermal constraints, lead time, and sourcing continuity helps improve procurement stability and reduce manufacturing interruption risk.
Manufacturer
Texas Instruments is a semiconductor manufacturer specializing in analog ICs, power-management technologies, embedded processors, communication devices, and industrial semiconductor solutions for automotive, industrial, communication, and consumer electronic applications.
For embedded power systems, Texas Instruments provides advanced DC-DC conversion technologies and integrated power modules optimized for efficient, compact, and scalable power-distribution architectures.
FAQ
What is LMZ21701SILR used for?
LMZ21701SILR is used for embedded DC-DC conversion, industrial automation systems, FPGA and processor power rails, communication equipment, and compact power-management applications.
Where can I find the LMZ21701SILR datasheet download?
The LMZ21701SILR datasheet download is available from Texas Instruments. The datasheet includes electrical specifications, efficiency curves, thermal characteristics, package details, and PCB layout recommendations.
What should be considered in LMZ21701SILR pinout design?
LMZ21701SILR pinout design should prioritize short high-current routing, optimized input decoupling placement, thermal copper support, low-impedance grounding, and EMI-sensitive PCB layout practices.
Does LMZ21701SILR integrate the inductor internally?
Yes. LMZ21701SILR integrates the inductor within the module package to simplify PCB layout and reduce external component requirements.
What are common LMZ21701SILR equivalent solutions?
Common LMZ21701SILR equivalent alternatives include TPSM82823ASILR and MPM3610 depending on output-current requirements, thermal constraints, PCB area limitations, and embedded power-conversion architecture.
LMZ21701SILR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- SIMPLE SWITCHER® Nano
- Package/Case:
- 8-SMD Module
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Non-Isolated PoL Module
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 3V
- Voltage - Input (Max):
- 17V
- Voltage - Output 1:
- 0.9 ~ 6V
- Voltage - Output 2:
- -
- Voltage - Output 3:
- -
- Voltage - Output 4:
- -
- Current - Output (Max):
- 1A
- Power (Watts):
- -
- Voltage - Isolation:
- -
- Applications:
- ITE (Commercial)
- Features:
- OTP, SCP, UVLO
- Operating Temperature:
- -40°C ~ 125°C
- Efficiency:
- 95%
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- -
- Control Features:
- Enable, Active High
- Approval Agency:
- -
- Standard Number:
- -
LMZ21701SILR FAQ
1.How can I place an order for LMZ21701SILR through Aetrix?
Please submit a Request for Quotation (RFQ) for LMZ21701SILR 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 LMZ21701SILR reliable?
The price and inventory of LMZ21701SILR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMZ21701SILR is usually 5 days.
3.What payment methods are accepted for LMZ21701SILR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMZ21701SILR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMZ21701SILR?
LMZ21701SILR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMZ21701SILR 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 LMZ21701SILR?
For technical support, including LMZ21701SILR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMZ21701SILR requirements.
6.How does Aetrix verify that LMZ21701SILR is sourced from the original manufacturer or authorized distributors?
All LMZ21701SILR 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 LMZ21701SILR meets industry standards.
7.What is the process for return or replacement of LMZ21701SILR?
All LMZ21701SILR units undergo pre-shipment inspection (PSI). If there is an issue with LMZ21701SILR, 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 LMZ21701SILR part is unused and in its original packaging.
Return procedure for LMZ21701SILR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LMZ21701SILR Tags

-
1S4E_0505S1.5U
GAPTEC Electronic
-
TPS631000DRLR
Texas Instruments

-
XCL209F083DR
Torex Semiconductor Ltd
-
SC202AMLTRT
Semtech Corporation

-
NME1S0505SC
Murata Power Solutions Inc.

-
XCL101A501ER-G
Torex Semiconductor Ltd

-
RFM-0505S
Recom Power

-
TEA 1-0505E
Traco Power

-
MIC33153YHJ-TR
Microchip Technology

-
TEA 1-0505
Traco Power

-
TPSM863252RDXR
Texas Instruments

-
RFB-0505S
Recom Power
Tech Hub
A crankshaft position sensor is one of the most important engine management sensors in a modern vehicle.
A decoder is an electronic circuit or integrated circuit that converts a coded input into a specific output state.
Use this kg to lbs converter to quickly convert kilograms to pounds or pounds to kilograms. It is useful for shipping weight, product specifications, package weight, material weight, equipment weight, …
Learn what analog devices are, including amplifiers, ADCs, DACs, sensors, voltage references, power ICs and ADI component selection for signal chain design.
SiC, or silicon carbide, is a wide-bandgap semiconductor material used in high-efficiency power electronics.
Type C, more formally called USB Type-C or USB-C, is a reversible connector used for charging, data transfer, display output, and accessory connection.
Voltage testing is a fundamental skill for electricians, engineers, technicians, and electronics hobbyists. Accurate voltage measurement ensures safe operation, prevents equipment damage, and verifies …
Find the correct SR626SW battery equivalent, including 377, AG4 and LR626 compatibility, silver oxide vs alkaline differences, size, voltage and watch replacement checks.
MLCCs are widely used in power supply circuits, DC-DC converters, decoupling networks, RF filters, automotive modules, industrial controllers, and high-density digital hardware. Their low ESR, compact …
MLCC damage is a common reliability problem in modern electronics, especially in compact PCB layouts, power supply circuits, automotive modules, industrial controllers, and high-density computing hardw…

