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HomeProductsIntegrated Circuits (ICs)PMIC - SupervisorsTL7700CPSR
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TL7700CPSR - Texas Instruments

Manufacturer Part Number
TL7700CPSR
Manufacturer
Texas Instruments
Allelco Part Number
32D-TL7700CPSR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
19,157 pcs available, New & Original
Parts Description
IC SUPERVISOR 1 CHANNEL 8SO
Package
8-SO
Data sheet
TL7700CPSR.pdf

PCN Design/Specification

TL7700 13/Dec/2016.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 19157
  • Unit Price: $3.379
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $3.379 $3.38
10+ $2.965 $29.65
30+ $2.712 $81.36
100+ $2.50 $250.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TL7700CPSR Tech Specifications
Texas Instruments - TL7700CPSR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TL7700CPSR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Threshold Adjustable/Selectable
Type Simple Reset/Power-On Reset
Supplier Device Package 8-SO
Series -
Reset Timeout 10µs Maximum Propagation Delay
Reset Active Low
Product Attribute Attribute Value
Package / Case 8-SOIC (0.209", 5.30mm Width)
Package Tape & Reel (TR)
Output Open Drain or Open Collector
Operating Temperature -40°C ~ 85°C (TA)
Number of Voltages Monitored 1
Mounting Type Surface Mount
Base Product Number TL7700

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

TL7700CPSR Image
TL7700CPSR (1)

Manufacturer Part Number

TL7700CPSR

Manufacturer

Texas Instruments

Introduction

Power management supervisor IC for monitoring single voltage supply with adjustable threshold and a quick propagation delay.

Product Features and Performance

Monitors one voltage level

Adjustable/selectable voltage threshold

Open drain or open collector output

Active low reset signal

Maximum propagation delay of 10µs

Operating temperature range from -40°C to 85°C

Designed for surface mount technology

Product Advantages

Flexible voltage threshold setting for a variety of applications

Quick response time with a maximum propagation delay of 10µs ensures rapid system protection

Active low reset simplifies designs with a common reset polarity

Built by a reputable manufacturer with a strong track record in power management solutions

Key Technical Parameters

Type: Simple Reset/Power-On Reset

Number of Voltages Monitored: 1

Voltage Threshold: Adjustable/Selectable

Output: Open Drain or Open Collector

Reset: Active Low

Reset Timeout: 10µs Maximum Propagation Delay

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 8-SOIC (0.209", 5.30mm Width)

Supplier Device Package: 8-SO

Quality and Safety Features

Robust operating temperature range ensures reliability in various environments

Manufactured by Texas Instruments, known for its commitment to high-quality and industry safety standards

Compatibility

Compatible with various power management applications requiring voltage supervision

Surface mount package (8-SOIC) compatible with standard PCB manufacturing processes

Application Areas

Computing systems

Consumer electronics

Industrial controls

Power supply units

Automotive systems

Critical system monitoring applications

Product Lifecycle

Product status is active

No current indication of discontinuation

Replacements or upgrades should be available, given the active status

Several Key Reasons to Choose This Product

Precision monitoring of supply voltage with customizable thresholds adapts to multiple applications

Rapid detection of under-voltage conditions protects critical system components swiftly

Industry-leading manufacturer provides expertise and support for integrating the supervisor IC

Versatile application range from consumer electronics to industrial and automotive systems

A secure investment in a component that is currently active with no near-term obsolescence issues

Texas Instruments' renowned quality and reliability in semiconductor manufacturing

Frequently Asked Questions(FAQ)

How does the TL7700CPSR supervisor IC handle voltage monitoring in a 3.3V microcontroller system, and what are the design implications of its adjustable threshold?
The TL7700CPSR provides precise voltage monitoring for systems operating at 3.3V by allowing threshold adjustment via external resistors. For a 3.3V rail, typical threshold settings range between 2.9V and 4.6V, enabling detection of brownout conditions before system instability occurs. The open-drain output allows flexible logic interfacing with various microcontrollers. However, designers must ensure the propagation delay (maximum 10µs) is sufficient for their reset timing requirements, especially in safety-critical applications where delayed detection could lead to corrupted states.
What are the key differences between the TL7700CPSR and other supervisor ICs when selecting components for a battery-powered IoT device?
Compared to fixed-threshold supervisors, the TL7700CPSR offers greater flexibility through selectable thresholds, which is advantageous for battery-powered IoT devices that may experience varying supply voltages during discharge cycles. Unlike many competitors with propagation delays exceeding 50µs, the TL7700CPSR’s maximum 10µs delay ensures faster response to under-voltage events, reducing risk of data loss. Additionally, its 8-pin SOIC package and RoHS compliance make it suitable for compact, environmentally conscious designs without sacrificing reliability.
Can the TL7700CPSR be used effectively in automotive-grade power management systems, and what environmental considerations should be addressed?
While the TL7700CPSR operates over an industrial temperature range (-40°C to 85°C), it is not qualified for full automotive AEC-Q100 certification. Therefore, it may be acceptable only in non-critical automotive peripherals or infotainment subsystems where environmental stress is moderate. Designers must verify that the device meets system-level reliability targets, as extended exposure to vibration, thermal cycling, or high humidity could affect long-term stability despite the MSL 1 rating indicating excellent moisture resistance.
What happens during power-up sequencing when using the TL7700CPSR to monitor a dual-supply system, and how does its reset timeout impact initialization?
When powering up a dual-supply system, the TL7700CPSR monitors the primary rail and asserts reset until the monitored voltage exceeds the set threshold. Its 10µs maximum propagation delay means the reset signal transitions quickly once the threshold is crossed, but the overall reset duration depends on ramp rate. If the power supply takes longer than 10µs to stabilize above threshold, the microcontroller may remain in reset, potentially delaying system startup. This behavior necessitates careful coordination between supply sequencing and the supervisor’s response time.
How does the open drain output configuration of the TL7700CPSR influence PCB layout decisions compared to push-pull outputs?
The open drain output requires an external pull-up resistor to define the reset signal logic level, offering flexibility in voltage translation and noise immunity. In contrast to push-pull outputs, this configuration prevents contention when multiple supervisory circuits share a common line. For the TL7700CPSR, placing the pull-up near the microcontroller minimizes trace inductance and improves signal integrity. However, designers must account for RC time constants introduced by the pull-up and parasitic capacitance, ensuring clean rise times across all operating temperatures.
What are the implications of using the TL7700CPSR in systems requiring glitch filtering on the monitored input?
The TL7700CPSR inherently filters short-duration glitches below its internal hysteresis window, typically around 1–2% of the threshold voltage. For example, at a 3.0V threshold, glitches under ~30mV may be ignored, preventing spurious resets. However, sustained dips near the threshold can still trigger resets. To enhance filtering, designers might add external RC networks, though this introduces additional delay and complexity. Careful evaluation of system-specific noise profiles is essential to balance responsiveness against false triggering.
How does the package type (8-SOIC) of the TL7700CPSR affect thermal performance in high-density PCBs?
The 8-SOIC package features a standard 0.209-inch body width and limited exposed thermal pad, resulting in moderate heat dissipation capability. In dense layouts with multiple power components, the TL7700CPSR generates minimal power—typically <1mW during active monitoring—but cumulative junction temperatures must still be evaluated. Adequate copper area on the PCB and proper airflow help maintain operation within -40°C to 85°C ambient limits, particularly in enclosed enclosures where thermal buildup can occur.
What role does the base product number (TL7700) play in component selection, and how does it relate to the TL7700CPSR variant?
The base product number TL7700 refers to a family of voltage supervisors sharing core functionality, with the TL7700CPSR being one specific variant featuring commercial-grade performance and SOIC packaging. Understanding this relationship helps engineers compare alternatives like surface-mount versions versus DIP counterparts or alternative packages. However, pinouts and electrical characteristics may vary between variants, so datasheet cross-referencing is critical. The C suffix denotes commercial temperature grade, distinguishing it from industrial or military-grade derivatives.
How should the Moisture Sensitivity Level (MSL 1) of the TL7700CPSR be interpreted during manufacturing and storage?
With an MSL 1 rating, the TL7700CPSR poses no moisture sensitivity hazard and can be stored indefinitely under normal conditions without special handling. This simplifies supply chain logistics and reduces need for bake-out procedures prior to reflow soldering. Manufacturers benefit from reduced handling protocols while maintaining reliability, making the part suitable for high-volume production environments where shelf life and rework efficiency are priorities.
What trade-offs exist between using the TL7700CPSR and integrated PMIC solutions with built-in supervision?
While dedicated supervisors like the TL7700CPSR offer simplicity and low cost, integrated PMICs often combine voltage regulation, sequencing, and monitoring in a single package. For basic systems requiring only brownout protection, the TL7700CPSR avoids unnecessary complexity and BOM count. However, in multi-rail systems, an integrated PMIC reduces component count and improves synchronization accuracy. The choice hinges on system scope: the TL7700CPSR excels in minimalist designs, whereas PMICs dominate scalable, feature-rich platforms.
How does the active-low reset output of the TL7700CPSR interface with modern microcontrollers that expect active-high signals?
Most microcontrollers accept both polarities, but if an active-high signal is required, an inverter gate or simple transistor circuit can convert the TL7700CPSR’s active-low output. Alternatively, software can ignore polarity as long as the reset pin is configured correctly. Direct use is feasible in systems where the microcontroller supports active-low reset natively, simplifying hardware. Designers should consult MCU datasheets to confirm input thresholds and timing compatibility, ensuring reliable assertion during power anomalies.
What are the limitations of the TL7700CPSR regarding multiple voltage monitoring compared to more advanced supervisors?
The TL7700CPSR monitors only a single voltage rail, unlike multi-channel supervisors that track VDD, VCORE, and I/O rails independently. This constrains its use to systems where one rail dictates system health. For multi-domain power systems, additional TL7700CPSR units or alternative parts would be needed, increasing board space and component count. Consequently, it is best suited for single-rail applications such as standalone microcontrollers or peripheral modules rather than complex SoCs with diverse power domains.
How does the propagation delay specification (≤10µs) affect fault detection in real-time control loops?
In real-time control systems, a 10µs maximum propagation delay ensures that the supervisor reacts swiftly to undervoltage conditions, minimizing the window during which corrupted instructions or register writes can occur. This rapid response preserves data integrity and prevents runaway states. Compared to slower supervisors (>100µs), the TL7700CPSR offers better protection in time-sensitive applications, though the absolute delay must still align with the microcontroller’s minimum reset pulse width to guarantee proper initialization.
What considerations apply when cascading multiple TL7700CPSR devices for enhanced redundancy or multi-rail monitoring?
Cascading TL7700CPSR units requires attention to output impedance, propagation delay accumulation, and shared reset lines. Since each device has independent thresholds, they can monitor different rails, but their combined propagation delays (still within 10µs per stage) must not interfere with system timing. Using open-drain outputs in wired-OR fashion simplifies wiring but demands careful pull-up sizing to avoid excessive current draw. This approach increases diagnostic capability but adds complexity, justifying it only in safety-critical or high-reliability systems.
How does the RoHS 3 compliance status of the TL7700CPSR impact material selection in consumer electronics manufacturing?
RoHS 3 compliance confirms the TL7700CPSR meets European Union restrictions on hazardous substances including lead, mercury, and cadmium. This ensures alignment with global regulatory standards for consumer electronics, avoiding customs delays or market access issues. Manufacturers can confidently source and assemble the part without additional screening or substitution efforts, supporting sustainable design goals while maintaining performance and reliability across typical operating environments.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TL7700CPSR

Product Attribute TL7700CPWRE4 TL7700CPS TL7700CPWRG4 TL7700CPWR
Part Number TL7700CPWRE4 TL7700CPS TL7700CPWRG4 TL7700CPWR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Mounting Type - Surface Mount Through Hole Surface Mount
Reset Timeout - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Type - - - -
Number of Voltages Monitored - - - -
Output - - - -
Series - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Voltage - Threshold - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Base Product Number - DAC34H84 MAX500 ADS62P42
Reset - - - -

TL7700CPSR Datasheet PDF

Download TL7700CPSR pdf datasheets and Texas Instruments documentation for TL7700CPSR - Texas Instruments.

Datasheets
Supervisors, Reset ICs Quick Reference Guide.pdf
PCN Design/Specification
TL7700 13/Dec/2016.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • 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.

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TL7700CPSR Image

TL7700CPSR

Texas Instruments
32D-TL7700CPSR

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