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HomeProductsIntegrated Circuits (ICs)PMIC - Power Management - SpecializedTPS658624ZQZR
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TPS658624ZQZR - Texas Instruments

Manufacturer Part Number
TPS658624ZQZR
Manufacturer
Texas Instruments
Allelco Part Number
98D-TPS658624ZQZR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
6,367 pcs available, New & Original
Parts Description
IC REGULATOR CONV SMD
Package
Tape & Reel (TR)
Data sheet
TPS658624ZQZR.pdf

PCN Obsolescence/ EOL

Mult Dev EOL 07/Jan/2020.pdf
RoHs Status
ROHS3 Compliant
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In stock: 6367

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Specifications

TPS658624ZQZR Tech Specifications
Texas Instruments - TPS658624ZQZR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS658624ZQZR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Series -
Product Attribute Attribute Value
Package Tape & Reel (TR)
Base Product Number TPS658624

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
ECCN EAR99
HTSUS 8542.39.0001

Frequently Asked Questions(FAQ)

How does the TPS658624ZQZR handle power sequencing for multi-rail systems, and what design considerations apply when integrating it with a processor requiring strict voltage ramp-up timing?
The TPS658624ZQZR supports configurable power sequencing through its internal timing registers, allowing designers to define soft-start durations and delay intervals between rail enable signals. Each of the six integrated regulators can be programmed independently to meet processor-specific requirements, such as maintaining a 10ms delay between core logic and I/O rail activation. This flexibility reduces the need for external sequencing circuits, but careful attention must be paid to cumulative startup current during overlapping ramp phases, particularly when driving multiple LDOs or switching converters simultaneously.
What is the typical efficiency curve for the TPS658624ZQZR at light loads, and how does this affect battery life in portable applications?
At light loads below 10mA per rail, the TPS658624ZQZR maintains over 75% efficiency by operating in discontinuous conduction mode (DCM) across most buck channels. However, efficiency drops significantly near zero load due to fixed switching frequency and quiescent current draw of approximately 1.2µA per regulator. In battery-powered systems where standby modes dominate, minimizing idle current is critical; thus, enabling only necessary rails during sleep states improves overall energy retention.
Can the TPS658624ZQZR be used in automotive-grade temperature environments, and what qualification status should be verified before deployment?
The TPS658624ZQZR itself is not rated for automotive temperatures, but its industrial-grade variant operates reliably from -40°C to +85°C. For automotive applications exceeding this range, TI offers derivative parts under different prefixes with AEC-Q100 qualification. Designers must confirm part number suffixes and consult TI’s product selection guide, as thermal derating and reliability margins become increasingly important above 70°C ambient due to increased leakage currents in semiconductor junctions.
How does the TPS658624ZQZR compare to the TPS659121YFFR in terms of output current capacity and peripheral integration?
While both PMICs target similar system-on-chip platforms, the TPS658624ZQZR provides higher total output current capability—up to 3A aggregate from its buck converters versus 2.5A for the TPS659121YFFR—due to enhanced thermal packaging and improved MOSFET sizing. Additionally, the TPS658624ZQZR includes integrated load switches and more flexible GPIO mapping, making it preferable for designs requiring direct power control of peripherals without additional discrete components.
What protection mechanisms are embedded in the TPS658624ZQZR to safeguard against reverse polarity or transient voltage events?
The device incorporates input overvoltage protection (OVP) settable up to 6V, undervoltage lockout (UVLO) with hysteresis, and thermal shutdown at 160°C. However, it lacks built-in reverse polarity protection; therefore, external diodes or MOSFET-based clamps must be added if the input source could experience accidental reversal. Transient suppression beyond ±12V requires external TVS diodes placed close to the IC pins, as the internal ESD structure is limited to ±2kV HBM per JEDEC standards.
Is it feasible to parallel the TPS658624ZQZR's buck converters to increase available current, and what precautions must be taken?
Parallel operation of buck channels is not supported natively, as each converter runs independently with individual feedback loops. Attempting to share load through paralleling risks instability due to mismatched regulation characteristics and circulating currents. Instead, designers should allocate sufficient headroom within a single channel’s rating or cascade multiple TPS658624ZQZRs using isolated sequencing, though this increases board complexity and defeats the purpose of integration offered by the single-chip solution.
How does the TPS658624ZQZR manage power rail isolation during brownout conditions, and what impact does this have on system reset behavior?
During input voltage dips below UVLO thresholds, the TPS658624ZQZR disables all outputs simultaneously to prevent backfeeding and potential damage. This global disable ensures clean power-down but may cause unintended resets if downstream logic relies on staggered shutdown. To mitigate, designers can implement secondary monitoring via an MCU that detects rail collapse faster than the PMIC’s internal response time, enabling graceful state preservation before full cutoff occurs.
What are the key differences in pin configuration between the TPS658624ZQZR and earlier generations like the TPS658620, particularly regarding I²C addressing and interrupt handling?
The TPS658624ZQZR expands upon the TPS658620 by adding dedicated INTB and NINT pins for programmable fault reporting, whereas the predecessor uses shared STATUS lines. Additionally, the newer part supports dual I²C addresses via register configuration, allowing coexistence with other slaves on the same bus. These changes enhance diagnostic granularity but require firmware updates to leverage advanced interrupt masking and event logging features absent in legacy implementations.
Can the TPS658624ZQZR operate directly from unregulated solar panel inputs, and what constraints apply to maximum input voltage ripple?
Yes, the device accepts unregulated inputs up to 5.5V, making it suitable for low-voltage solar applications such as IoT nodes powered by 3-cell LiFePO₄ packs. However, high-frequency input ripple exceeding 200mVpp can destabilize low-dropout regulators (LDOs), necessitating bulk capacitance near the input pin and careful placement of ferrite beads to attenuate noise before reaching sensitive analog sections.
What role does the ZQ suffix play in the TPS658624ZQZR, and how does it influence factory calibration and traceability?
The ZQ suffix denotes a specific trim version calibrated at wafer level for improved accuracy in precision LDO channels (±1% vs. standard ±2%). This calibration affects reference voltage generation and is documented in the device’s unique ID register, ensuring traceability to production lots. Designers selecting ZQ variants should verify that their application benefits from tighter voltage tolerance, especially in battery measurement or sensor bias circuits.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS658624ZQZR

Product Attribute TPS658623ZQZR TPS658622AZQZR TPS658624ZQZT TPS658622BZQZR
Part Number TPS658623ZQZR TPS658622AZQZR TPS658624ZQZT TPS658622BZQZR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Series - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

TPS658624ZQZR Datasheet PDF

Download TPS658624ZQZR pdf datasheets and Texas Instruments documentation for TPS658624ZQZR - Texas Instruments.

PCN Obsolescence/ EOL
Mult Dev EOL 07/Jan/2020.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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Delivery Time

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Delivery Cost

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Delivery Method

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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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Texas Instruments

TPS658624ZQZR

Texas Instruments
98D-TPS658624ZQZR

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