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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearTPS7A1633DGNR
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TPS7A1633DGNR - Texas Instruments

Manufacturer Part Number
TPS7A1633DGNR
Manufacturer
Texas Instruments
Allelco Part Number
32D-TPS7A1633DGNR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
23,709 pcs available, New & Original
Parts Description
IC REG LIN 3.3V 100MA 8MSOP PWR
Package
8-HVSSOP
Data sheet
TPS7A1633DGNR.pdf

PCN Design/Specification

Cylindrical Battery Holders.pdf

HTML Datasheet

TPS7A16.pdf

PCN Assembly/Origin

Retraction 05/Feb/2016.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 23709
  • Unit Price: $0.344
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.344 $0.34
10+ $0.28 $2.80
30+ $0.253 $7.59
100+ $0.207 $20.70
500+ $0.192 $96.00
1000+ $0.182 $182.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TPS7A1633DGNR Tech Specifications
Texas Instruments - TPS7A1633DGNR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS7A1633DGNR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage Dropout (Max) 0.5V @ 100mA
Voltage - Output (Min/Fixed) 3.3V
Voltage - Output (Max) -
Voltage - Input (Max) 60V
Supplier Device Package 8-HVSSOP
Series -
Protection Features Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Package / Case 8-TSSOP, 8-MSOP (0.118', 3.00mm Width) Exposed Pad
Package Tape & Reel (TR)
Product Attribute Attribute Value
PSRR 50dB (100Hz)
Output Type Fixed
Output Configuration Positive
Operating Temperature -40°C ~ 125°C
Number of Regulators 1
Mounting Type Surface Mount
Current - Quiescent (Iq) 15 µA
Current - Output 100mA
Control Features Enable, Power Good
Base Product Number TPS7A1633

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

TPS7A1633DGNR Image
TPS7A1633DGNR (1)

Manufacturer Part Number

TPS7A1633DGNR

Manufacturer

Texas Instruments

Introduction

The TPS7A1633DGNR is a Texas Instruments Power Management Voltage Regulator, specifically in the category of Linear, Low Drop Out (LDO) Regulators.

Product Features and Performance

Output Configuration: Positive

Output Type: Fixed

Number of Regulators: 1

Maximum Input Voltage: 60V

Minimum/Fixed Output Voltage: 3.3V

Maximum Voltage Dropout: 0.5V at 100mA

Output Current: 100mA

Quiescent Current (Iq): 15 µA

Power Supply Rejection Ratio (PSRR): 50dB at 100Hz

Product Advantages

Provides stable 3.3V output with low dropout voltage

High maximum input voltage capability

Low quiescent current enhances power efficiency

Compact package suitable for surface mounting

TPS7A1633DGNR Image
TPS7A1633DGNR (2)

Key Technical Parameters

Voltage Input (Max): 60V

Voltage Output (Min/Fixed): 3.3V

Current Output: 100mA

Current Quiescent (Iq): 15 µA

PSRR: 50dB (100Hz)

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Under Voltage Lockout (UVLO)

Compatibility

Compatible with a variety of applications requiring a stable 3.3V supply

Application Areas

Industrial Electronics

Consumer Electronics

Telecommunications Equipment

Computing Devices

Product Lifecycle

Status: Active

Not nearing discontinuation; replacements and upgrades are available as needed

Several Key Reasons to Choose This Product

High voltage input capability up to 60V for versatile applications

Fixed 3.3V output ensures compatibility with common electronics

Low dropout for efficient operation

Comprehensive protection features ensure reliability and safety

Compact 8-HVSSOP package facilitates easy integration into diverse systems

Frequently Asked Questions(FAQ)

What is the maximum input voltage the TPS7A1633DGNR can safely handle during continuous operation in a 3.3V industrial sensor node design?
The TPS7A1633DGNR supports a maximum input voltage of 60V, which allows it to interface directly with unregulated power sources such as automotive or heavy-industrial supplies without requiring additional pre-regulation stages. This high voltage tolerance enables robust system integration where input transients or supply fluctuations are common, reducing component count and improving reliability in harsh environments.
How does the quiescent current of the TPS7A1633DGNR impact battery life in a low-power wireless IoT device running on a single-cell Li-ion battery?
With a quiescent current (Iq) of just 15 µA, the TPS7A1633DGNR contributes minimally to overall system power consumption when the regulator is idle. In a typical wireless sensor node that wakes periodically to transmit data, this low Iq helps extend battery life significantly—especially when combined with sleep modes in the microcontroller. Over a year of operation with 1% active duty cycle, the regulator’s static draw accounts for less than 0.5% of total energy use.
Can the TPS7A1633DGNR be used in parallel with another linear regulator to increase output current capacity in a motor control application?
No, paralleling linear regulators like the TPS7A1633DGNR generally results in unstable operation due to mismatched feedback thresholds and circulating currents. Each regulator will tend to source unequal shares of load current, potentially causing thermal stress on one device while the other operates below capacity. For higher current needs, consider using a switching regulator or a higher-current linear alternative from the same family.
What is the dropout voltage of the TPS7A1633DGNR at full load, and how does this affect headroom requirements in a 5V-to-3.3V conversion?
The TPS7A1633DGNR exhibits a maximum dropout voltage of 0.5V at 100mA output current. This means the minimum required input voltage to maintain regulation is 3.8V. When converting from a stable 5V supply, this leaves 1.2V of headroom, which is sufficient but should be monitored under transient conditions. In applications with variable input voltages near 3.8V, such as battery-powered systems approaching end-of-life, the output may deviate slightly from 3.3V.
Does the TPS7A1633DGNR include built-in protection features suitable for automotive-grade ECU applications?
Yes, the TPS7A1633DGNR integrates overcurrent, overtemperature, and under-voltage lockout (UVLO) protection. These features help safeguard downstream circuits against shorted loads, thermal runaway, and brownout events. While the part itself is not qualified to AEC-Q100 standards (as indicated by the absence of a Q1 suffix), its internal protections provide valuable robustness in non-certified but safety-critical industrial or embedded systems.
How does the PSRR performance of the TPS7A1633DGNR compare between low-frequency ripple rejection and high-frequency noise suppression?
The TPS7A1633DGNR offers 50dB of PSRR at 100Hz, which effectively attenuates line frequency interference and switching ripple from nearby converters. However, PSRR degrades at higher frequencies—typically falling to around 20–30dB above 1kHz. Therefore, while adequate for filtering mains hum or DC-DC ripple in many analog subsystems, additional post-regulation filtering may be needed for sensitive RF or precision analog circuits.
Is the exposed pad on the 8-HVSSOP package of the TPS7A1633DGNR electrically connected, and what is its role in thermal management?
Yes, the exposed pad on the TPS7A1633DGNR’s 8-HVSSOP package is internally connected to ground and serves as a thermal conduit. Soldering this pad to a PCB copper plane improves heat dissipation, allowing the device to handle sustained loads closer to its 100mA rating without exceeding junction temperature limits. Proper thermal vias under the pad are recommended for designs requiring continuous operation near maximum current.
What are valid substitute parts for the TPS7A1633DGNR, and how do they differ in key electrical characteristics?
Valid substitutes include the TPS7A1633DGNT (same pinout, different reel packaging), and the TPS7A1633QDGNRQ1 (automotive-qualified variant with extended temperature range). The standard TPS7A1633DGNR operates from -40°C to 125°C and lacks AEC-Q100 qualification, whereas the Q1 version meets automotive standards and includes enhanced reliability screening. Output and electrical specs remain identical; selection depends on environmental requirements and certification needs.
Can the enable pin of the TPS7A1633DGNR be driven directly by a GPIO from a 3.3V MCU without level shifting?
Yes, the enable logic threshold of the TPS7A1633DGNR is compatible with 3.3V logic levels. A GPIO configured as open-drain or push-pull with 3.3V output can directly control the EN pin through a pull-up resistor if necessary. Ensure the enable signal rises quickly enough to meet startup timing requirements, especially under cold start or UVLO conditions where the internal bias circuitry may delay turn-on.
How does the power good feature of the TPS7A1633DGNR assist system monitoring in an industrial automation controller?
The TPS7A1633DGNR provides a Power Good (PG) signal that asserts only after the output voltage stabilizes within regulation tolerance. This allows the host microcontroller to detect early failures such as overvoltage, undervoltage, or thermal shutdown before critical peripherals lose power. In redundant systems, the PG signal can trigger failover routines or log errors without relying solely on software timeouts.
What is the significance of the Moisture Sensitivity Level (MSL) being rated at 2 for the TPS7A1633DGNR?
An MSL of 2 indicates that the TPS7A1633DGNR can withstand exposure to ambient humidity for up to one year before requiring baking prior to reflow soldering. This reflects its moisture-resistant packaging and conformal coating compatibility. Designers must follow standard IPC guidelines for handling and storage, particularly in humid climates or long lead-time production schedules.
Why might a designer choose the TPS7A1633DGNR over a switching regulator despite lower efficiency in a space-constrained wearable health monitor?
The TPS7A1633DGNR offers superior noise immunity, minimal electromagnetic interference (EMI), and simple external circuitry compared to most switching regulators. In sensitive biomedical sensors measuring ECG or impedance, clean rail integrity outweighs modest efficiency losses. Its tiny footprint (3mm x 3mm) and low Iq also align well with compact, battery-operated form factors where size and quiet operation dominate.
Does the TPS7A1633DGNR require external capacitors for stability, and what specifications should be followed?
Yes, stability requires appropriate input and output bypass capacitors. TI recommends a 2.2µF ceramic capacitor on the input and a 1µF ceramic capacitor on the output, both X5R or X7R dielectric types. These ensure phase margin and transient response across temperature and aging. Using higher ESR bulk capacitors is unnecessary and may degrade performance; datasheet guidance should always be consulted for specific layout recommendations.
How does the operating temperature range of the TPS7A1633DGNR affect deployment in outdoor environmental monitoring stations?
Rated from -40°C to 125°C, the TPS7A1633DGNR supports reliable operation in extreme climates without derating. In desert or arctic deployments, thermal cycling or direct solar heating won’t force out-of-spec operation so long as PCB-level thermal gradients remain manageable. However, output accuracy may drift slightly near temperature extremes, necessitating calibration if precision references depend on absolute voltage levels.
What is the function of the Under Voltage Lockout (UVLO) threshold in the TPS7A1633DGNR, and how does it prevent unintended behavior?
UVLO ensures the TPS7A1633DGNR remains disabled until the input voltage exceeds a safe minimum—typically around 3.5V depending on exact implementation. This prevents partial turn-on or erratic output during brownout conditions, protecting both the regulator and load devices from excessive in-rush current or undefined states. The threshold is designed to avoid nuisance shutdowns while ensuring reliable startup under weak supplies.
Can the TPS7A1633DGNR replace the TPS7A1601 in legacy designs requiring 3.3V at 150mA?
Not reliably. The TPS7A1601 supports up to 150mA output, while the TPS7A1633DGNR is limited to 100mA. Attempting to draw more than 100mA could cause thermal overload or premature shutdown. If the original design consistently exceeds 100mA, redesign with a higher-current linear regulator or switch-mode solution is necessary to maintain system integrity and avoid failure modes.
What considerations apply when routing traces adjacent to the TPS7A1633DGNR on a high-speed digital PCB?
Although the TPS7A1633DGNR is not intended for high-frequency switching, its 50dB PSRR at 100Hz means it can tolerate moderate switching noise. However, keep high-speed signals away from input/output loops to minimize capacitive coupling. Place decoupling caps close to pins and use ground planes beneath the device to reduce EMI susceptibility. Avoid placing it near crystal oscillators or RF sections unless additional filtering is implemented.
How does RoHS compliance status influence sourcing strategy for the TPS7A1633DGNR in global manufacturing?
As RoHS3 compliant, the TPS7A1633DGNR contains no restricted substances including lead, mercury, cadmium, and certain brominated flame retardants. This ensures compatibility with international regulations such as EU Directive 2011/65/EU. Manufacturers avoiding hazardous materials can source this part without export restrictions, simplifying supply chain logistics and supporting sustainable design practices across regions.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS7A1633DGNR

Product Attribute TPS7A1633QDGNRQ1 TPS7A1633DGNT TPS7A1601QDGNRQ1 TPS7A1650AQDGNRQ1
Part Number TPS7A1633QDGNRQ1 TPS7A1633DGNT TPS7A1601QDGNRQ1 TPS7A1650AQDGNRQ1
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Voltage - Output (Max) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Voltage - Input (Max) - - - -
Voltage Dropout (Max) - - - -
Voltage - Output (Min/Fixed) - - - -
Number of Regulators - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Control Features - - - -
Current - Output - - - -
Series - - - -
PSRR - - - -
Current - Quiescent (Iq) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Output Configuration - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Protection Features - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Mounting Type - Surface Mount Through Hole Surface Mount
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)

TPS7A1633DGNR Datasheet PDF

Download TPS7A1633DGNR pdf datasheets and Texas Instruments documentation for TPS7A1633DGNR - Texas Instruments.

PCN Design/Specification
Cylindrical Battery Holders.pdf
HTML Datasheet
TPS7A16.pdf
PCN Assembly/Origin
Retraction 05/Feb/2016.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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TPS7A1633DGNR Image

TPS7A1633DGNR

Texas Instruments
32D-TPS7A1633DGNR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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