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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - Special PurposeTPS62730DRYR
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TPS62730DRYR - Texas Instruments

Manufacturer Part Number
TPS62730DRYR
Manufacturer
Texas Instruments
Allelco Part Number
32D-TPS62730DRYR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
65,320 pcs available, New & Original
Parts Description
IC REG CONV BLUETOOTH 1OUT 6SON
Package
6-SON (1.45x1)
Data sheet
TPS62730DRYR.pdf

PCN Assembly/Origin

Assembly Site 09/Feb/2023.pdf

HTML Datasheet

TPS62730.pdf
RoHs Status
ROHS3 Compliant
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Specifications

TPS62730DRYR Tech Specifications
Texas Instruments - TPS62730DRYR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS62730DRYR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Output 2.1V
Voltage - Input 1.9V ~ 3.9V
Supplier Device Package 6-SON (1.45x1)
Series -
Package / Case 6-UFDFN
Product Attribute Attribute Value
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 85°C
Number of Outputs 1
Mounting Type Surface Mount
Base Product Number TPS62730
Applications Converter, Bluetooth (BLT)

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

TPS62730DRYR Image
TPS62730DRYR (1)

Manufacturer Part Number

TPS62730DRYR

Manufacturer

Texas Instruments

Introduction

The TPS62730DRYR is a step-down converter designed specifically for power management in applications like Bluetooth products. It is engineered to provide efficient power management and extend battery life in portable devices.

Product Features and Performance

High-efficiency step-down converter

Supports input voltages from 1.9V to 3.9V

Delivers a stable output voltage of 2.1V

Ensures stable operation across -40°C to 85°C

Compact 6-UFDFN package for space-sensitive applications

Integrated power-saving features for extended battery life

Product Advantages

Exceptionally low quiescent current enhances battery life

Highly efficient conversion minimizes thermal footprint

Designed for easy integration in compact devices

Robust temperature range ensures performance in varied environments

TPS62730DRYR Image
TPS62730DRYR (2)

Key Technical Parameters

Voltage Input: 1.9V ~ 3.9V

Voltage Output: 2.1V

Operating Temperature: -40°C ~ 85°C

Package / Case: 6-UFDFN

Supplier Device Package: 6-SON (1.45x1)

Quality and Safety Features

Built with protective features against overcurrent and thermal overload

Manufactured following stringent quality standards of Texas Instruments

Compatibility

Ideal for Bluetooth applications and compatible with a wide range of portable devices

Application Areas

Power management for Bluetooth devices

Wearable technology

Portable electronics including medical devices and smart sensors

Product Lifecycle

Currently active with no immediate discontinuation forecast

Continuous support and availability of upgrades from Texas Instruments

Several Key Reasons to Choose This Product

High-efficiency design reduces power consumption and extends battery life

Compact and lightweight, ideal for space-constrained applications

Supports a wide operating temperature range, suitable for a variety of environments

Texas Instruments is renowned for its reliability and quality in power management technology

Ongoing product support and availability ensure a sound investment

Frequently Asked Questions(FAQ)

What are the key design constraints when integrating the TPS62730DRYR into a Bluetooth Low Energy (BLE) system with strict power budget requirements?
The TPS62730DRYR operates across a 1.9V to 3.9V input voltage range, which aligns well with coin-cell or single Li-ion battery configurations common in BLE applications. With a fixed 2.1V output and peak efficiency exceeding 90% under typical loads, it minimizes power loss during regulation. However, designers must ensure the input source can sustain transient loads during mode transitions—especially during TX bursts in BLE communication—where current spikes may briefly exceed 200 mA. Given the device’s ultra-low quiescent current of ~1.8 µA in active mode and sub-µA shutdown current, it supports extended battery life but requires careful PCB layout to maintain low noise and avoid instability due to high impedance paths near the VIN and GND pins.
How does the TPS62730DRYR compare to alternative step-down converters for space-constrained BLE designs?
The TPS62730DRYR measures just 1.45 mm × 1 mm in its 6-SON package, making it one of the smallest DC/DC regulators capable of delivering stable 2.1V at up to 300 mA. In comparison, many competing devices require larger packages (e.g., 8-pin SOT-23 or 4x4 QFN) or sacrifice efficiency (>85%) for size. While alternatives like the TLV62568 offer similar footprint, they typically target higher output currents (>500 mA), which is unnecessary for most BLE SoCs such as TI CC26xx or Nordic nRF52 series that operate efficiently at 2.1V. The TPS62730’s optimized switching frequency (typically 2.5 MHz) enables use of tiny inductors (e.g., 0.47 µH) and ceramic capacitors, further reducing BOM size—critical for wearables and IoT sensors.
What precautions should be taken to ensure reliable operation of the TPS62730DRYR in harsh environmental conditions?
Although rated for -40°C to +85°C, the TPS62730DRYR’s performance can degrade if thermal management is neglected. At full load (250–300 mA), junction temperature may rise significantly depending on PCB copper area and airflow. To mitigate this, ensure adequate ground plane connection under the SON package and avoid routing high-current traces beneath it. Additionally, input and output capacitors must maintain stability across temperature; X5R or X7R dielectrics are recommended over Y5V. The MSL 1 classification means no baking is required before assembly, but moisture exposure during storage could affect reliability if not handled per JEDEC J-STD-033 guidelines.
Can the TPS62730DRYR be used with non-rechargeable primary cells like CR2032 batteries?
Yes, the TPS62730DRYR is well-suited for use with CR2032 lithium coin cells, whose nominal voltage is 3.0V and minimum operating voltage around 2.0V. Since the regulator accepts inputs down to 1.9V and regulates down to 2.1V, it maintains stable output even as the cell discharges to near end-of-life (~2.0V). However, efficiency drops slightly below 3.0V input due to increased duty cycle, but remains above 80% until the input falls below 2.2V. Designers should still include a Schottky diode between input sources (if dual-supply capable) to prevent backfeeding, though the TPS62730 lacks built-in reverse protection.
Why might the switching frequency of the TPS62730DRYR cause EMI concerns in sensitive RF applications?
Operating at approximately 2.5 MHz, the TPS62730DRYR generates harmonic content that could interfere with nearby RF circuits—particularly within the BLE band (2.4 GHz). Although conducted emissions are typically managed through proper filtering, radiated emissions from long traces or inadequate shielding may couple into antenna paths. Layout best practices include placing the inductor at least 5 mm from any RF traces, using ground stitching vias around the converter, and minimizing loop area in both input and output return paths. Adding a small ferrite bead in series with VIN may further suppress high-frequency noise, though it risks increasing dropout during transients.
Is it feasible to parallel multiple TPS62730DRYR units to increase output current capacity?
Parallel operation of the TPS62730DRYR is generally not recommended due to lack of current sharing mechanism and potential for circulating currents between devices. Each unit has independent feedback loops, and slight variations in reference voltages or switching phases can cause one regulator to dominate while others remain underutilized or overstressed. Instead, select a single regulator rated for the total required current, or use a dedicated multi-phase buck controller if scalability is essential. For most BLE applications drawing <200 mA, the TPS62730’s 300 mA capability provides sufficient headroom without risking reliability.
What impact does capacitor selection have on startup behavior with the TPS62730DRYR?
Startup timing and inrush current are influenced by the equivalent series resistance (ESR) and capacitance of the output capacitor. A low-ESR ceramic capacitor (e.g., 10 µF X5R) ensures fast response but may cause overshoot if the load draws significant current immediately after enable. Conversely, higher-ESR tantalum capacitors slow turn-on and increase stress on input supply. The datasheet specifies a minimum 4.7 µF output cap; however, in practice, 10 µF is preferred to accommodate load transients. Input capacitance should be ≥1 µF with low ESL for bulk energy storage and ≤10 nF for high-frequency decoupling, placed within 1 mm of the VIN pin.
How does the TPS62730DRYR handle load transients compared to linear regulators in BLE systems?
Unlike linear regulators that exhibit slow recovery from load steps due to bandwidth limitations, the TPS62730DRYR uses peak current-mode control enabling faster transient response—typically settling within 50 µs after a 50% load change. This is critical during BLE packet transmission, where current demand can spike from 10 mA idle to over 150 mA in transmit mode. The internal compensation network is optimized for capacitive loads up to 22 µF, ensuring stability even with large output caps. Linear regulators would dissipate excess power as heat during these transients, reducing overall system efficiency—especially problematic in battery-powered devices.
Are there any known limitations when replacing legacy LDOs with the TPS62730DRYR in existing designs?
Transitioning from an LDO to the TPS62730DRYR introduces several considerations: first, the buck topology inherently produces switching ripple (~30 mVpp typical), which may affect analog peripherals sensitive to supply noise—though BLE radios usually tolerate this. Second, the TPS62730 requires external passive components (inductor, input/output caps), increasing BOM count versus integrated LDOs. Third, layout sensitivity increases due to high di/dt paths; improper routing can lead to oscillation or EMI. Finally, although quiescent current is low, switching converters draw more current than LDOs during light loads if not properly managed. Careful evaluation of total system efficiency versus cost and board real estate is advised.
What role does the EN pin play in managing power sequencing for the TPS62730DRYR?
The EN (enable) pin allows external control over regulator activation, supporting flexible power-up/power-down sequences. It features a threshold voltage around 0.7 V, compatible with logic-level microcontrollers. Pulling EN low disables the IC, reducing shutdown current to <1 µA. During startup, the soft-start time (~5 ms) limits inrush current, protecting upstream supplies. Designers can use a GPIO to delay enable relative to other rails (e.g., wake-up MCU before enabling PMU), preventing brownout conditions. However, floating the EN pin may cause erratic behavior—it should always be tied to VIN via a resistor or driven actively.
Can the TPS62730DRYR support dynamic voltage scaling in adaptive BLE applications?
No, the TPS62730DRYR provides a fixed 2.1V output and cannot dynamically adjust voltage. While some BLE SoCs allow internal voltage scaling, using a fixed regulator simplifies design and avoids complex feedback loops. If variable output is needed, consider adding a secondary LDO post-regulation or selecting a programmable buck converter instead. Alternatively, design the system to operate optimally at 2.1V—many modern BLE MCUs are tuned for this voltage for peak performance and lowest power consumption during active modes.
What are the implications of using the TPS62730DRYR in medical or industrial environments requiring certifications?
The TPS62730DRYR itself is RoHS3 compliant and EAR99 classified, facilitating export compliance. However, end-system certification (e.g., FCC, CE, IEC 60601) depends on full PCB assembly, including EMI characteristics. Due to its switching nature, additional filtering or enclosure shielding may be necessary for regulatory approval in sensitive environments. The component’s low MSL (1) and absence of hazardous materials simplify manufacturing logistics, but designers must ensure complete documentation traceability for audit purposes, especially in regulated industries where substitution of parts like the TPS62730DRYR requires formal validation.
How does the TPS62730DRYR perform under no-load conditions in continuous conduction mode (CCM)?
Under no-load conditions, the TPS62730DRYR enters discontinuous conduction mode (DCM), reducing switching losses and maintaining high efficiency (>85%). Quiescent current remains low (~1.8 µA), ideal for sleep-heavy BLE applications where the radio spends >90% of time in deep sleep. However, DCM operation can introduce audible noise at very light loads (<1 mA) due to inductor current ripple crossing zero—though unlikely in battery-operated systems where minimal current is drawn. Output ripple remains below 20 mV under no load, ensuring clean power delivery for analog blocks.
What trade-offs exist between using the TPS62730DRYR versus discrete solutions for BLE power conversion?
Integrated solutions like the TPS62730DRYR reduce development time, minimize component count, and benefit from factory-calibrated performance. Discrete implementations offer customization but require deeper expertise in control loop design, stability analysis, and layout optimization. For most BLE applications, the TPS62730 strikes an optimal balance: it delivers high efficiency, small size, and reliable operation without sacrificing integration. Only in ultra-low-power edge cases (<10 mA average) might an LDO outperform it marginally, but at the expense of board space and flexibility.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS62730DRYR

Product Attribute TPS62730DRYR TPS62732DRYT TPS62730DRYT TPS62733DRYR
Part Number TPS62730DRYR TPS62732DRYT TPS62730DRYT TPS62733DRYR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Base Product Number TPS62730 TPS62732 TPS62730 TPS62733
Package / Case 6-UFDFN 6-UFDFN 6-UFDFN 6-UFDFN
Applications Converter, Bluetooth (BLT) Converter, Bluetooth (BLT) Converter, Bluetooth (BLT) Converter, Bluetooth (BLT)
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Voltage - Input 1.9V ~ 3.9V 1.9V ~ 3.9V 1.9V ~ 3.9V 1.9V ~ 3.9V
Voltage - Output 2.1V 1.9V 2.1V 2.3V
Supplier Device Package 6-SON (1.45x1) 6-SON (1.45x1) 6-SON (1.45x1) 6-SON (1.45x1)
Series - - - -
Number of Outputs 1 1 1 1
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount

TPS62730DRYR Datasheet PDF

Download TPS62730DRYR pdf datasheets and Texas Instruments documentation for TPS62730DRYR - Texas Instruments.

PCN Assembly/Origin
Assembly Site 09/Feb/2023.pdf
HTML Datasheet
TPS62730.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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TPS62730DRYR Image

TPS62730DRYR

Texas Instruments
32D-TPS62730DRYR

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