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HomeProductsIntegrated Circuits (ICs)PMIC - Power Management - SpecializedTPS658621CZGUR
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TPS658621CZGUR - Texas Instruments

Manufacturer Part Number
TPS658621CZGUR
Manufacturer
Texas Instruments
Allelco Part Number
32D-TPS658621CZGUR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
5,410 pcs available, New & Original
Parts Description
IC LI-ION PATT/PWR MGMT 169BGA
Package
169-BGA MicroStar (12x12)
Data sheet
TPS658621CZGUR.pdf

PCN Obsolescence/ EOL

Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
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In stock: 5410

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Specifications

TPS658621CZGUR Tech Specifications
Texas Instruments - TPS658621CZGUR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS658621CZGUR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply -
Supplier Device Package 169-BGA MicroStar (12x12)
Series -
Package / Case 169-LFBGA
Package Tape & Reel (TR)
Product Attribute Attribute Value
Operating Temperature -
Mounting Type Surface Mount
Current - Supply -
Base Product Number TPS658621
Applications Battery Management, Display (LED Drivers), Handheld/Mobile Devices, Power Supply

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

TPS658621CZGUR

Manufacturer

Texas Instruments

Introduction

TPS658621CZGUR is a specialized power management integrated circuit (PMIC) designed for efficient battery management and power supply handling in compact electronic devices.

Product Features and Performance

Integrated multiple power management functions

Suited for handling battery management tasks

Drives LED displays effectively

Optimized for handheld and mobile device applications

Product Advantages

Multifunctional integration reduces component count and system complexity

Optimized for energy efficiency, enhancing battery life in portable devices

Key Technical Parameters

Integrated circuit type: Power Management Specialized

Designed for applications in Battery Management, Display (LED Drivers), Handheld/Mobile Devices, Power Supply

Quality and Safety Features

Built following strict quality and safety standards to ensure reliability and performance in crucial applications

Compatibility

Surface Mount mounting type for wide compatibility with various PCB designs

Housed in a 169-BGA MicroStar (12x12) package compatible with standard surface mount processes

Application Areas

Battery Management Systems

LED Display driving

Handheld and Mobile Devices power management

General Power Supply Units

Product Lifecycle

Status: Obsolete

Note: check for possible replacements or upgrades available due to obsolescence

Several Key Reasons to Choose This Product

High integration facilitating compact and efficient designs

Tailored features enhancing battery and power management in portable devices

Texas Instruments’ reputation for producing durable and reliable power management components

Frequently Asked Questions(FAQ)

What are the key performance trade-offs when selecting the TPS658621CZGUR for a mobile device power management design, particularly regarding efficiency versus thermal behavior?
The TPS658621CZGUR is optimized for high-efficiency power conversion in handheld devices, but its dense 169-BGA MicroStar (12x12) packaging can present thermal challenges under sustained high-load conditions. While internal switching regulators achieve typical efficiencies above 90% at moderate loads, localized hotspots may occur near the integrated battery charging circuitry during fast-charging scenarios. Designers must account for this by ensuring adequate PCB copper area and thermal vias beneath the package, especially when operating near maximum current limits such as 2A charging or multiple rails drawing combined load.
How does the TPS658621CZGUR compare to other Texas Instruments PMICs like the TPS658620 in terms of LED driver capabilities and system integration?
The TPS658621CZGUR offers enhanced display power management features compared to the TPS658620, including more flexible LED driver configurations with higher peak output currents—up to 120mA per channel—making it suitable for advanced backlighting or camera flash applications. Unlike the TPS658620, which has fixed LED current settings, the TPS658621 supports dynamic adjustment via I²C, enabling adaptive brightness control based on ambient light sensors. However, both share similar core PMIC architectures, so power sequencing and battery management logic remain comparable, though the TPS658621’s additional GPIO flexibility adds value in complex user interface designs.
Can the TPS658621CZGUR be used in non-mobile applications, and what modifications would be required for industrial temperature range operation?
While the TPS658621CZGUR is primarily designed for consumer handheld devices, it can support industrial applications if environmental constraints are managed properly. The device operates over a standard commercial temperature range, but extended reliability at elevated temperatures may require derating of charging current and careful layout to minimize junction temperatures. For full industrial qualification, additional stress testing beyond datasheet specifications—such as prolonged exposure to 85°C ambient with full load—would be necessary, as the package lacks explicit AEC-Q100 certification.
What are the implications of using the TPS658621CZGUR in a multi-battery configuration, and how does it handle cell balancing or secondary protection?
The TPS658621CZGUR supports single-cell Li-Ion or Li-Polymer batteries natively and does not include built-in cell balancing circuitry. In dual-battery configurations—common in ruggedized or high-capacity devices—external balancing circuits must be implemented separately. Additionally, while the IC provides overvoltage, undervoltage, and overcurrent protection for the battery input, it does not offer independent monitoring per cell. Therefore, designers using multiple cells in series should integrate an external fuel gauge or protection IC to ensure safe operation across all cells, avoiding imbalance that could reduce lifespan or cause safety issues.
How does the 169-BGA MicroStar (12x12) package affect PCB routing complexity when implementing the TPS658621CZGUR, and what design considerations are critical?
Routing the TPS658621CZGUR in its 169-pin BGA package demands careful attention to signal integrity and power distribution due to the small pitch and high pin density. Critical nets such as VIN, PGND, and feedback loops for regulators should be routed with controlled impedance and minimal stub length to avoid noise coupling. Power planes must be solid and decoupled with high-frequency capacitors placed as close as possible to the package, especially near the VIN and AGND pins. Thermal vias under the exposed pad are essential to dissipate heat efficiently, and layer stack-up should prioritize low inductance paths to maintain stable operation during transient loads.
What is the role of the internal charge pump in the TPS658621CZGUR, and when might it limit output voltage scalability?
The TPS658621CZGUR includes an internal charge pump to assist in generating higher gate drive voltages for internal MOSFETs, particularly useful in boosting efficiency during high-side switching operations. However, this charge pump has limited output capability—typically supporting up to 1.2V above VCC—which constrains the maximum achievable voltage on certain internal nodes. As a result, designs requiring output voltages significantly above the supply rail (e.g., >3.6V from a 3.3V input) may experience reduced regulation accuracy or increased dropout voltage unless supplemented with external boost stages.
How reliable is the TPS658621CZGUR under repeated thermal cycling, and what failure modes should be anticipated in harsh environments?
Although the TPS658621CZGUR meets standard JEDEC MSL 3 requirements, repeated thermal cycling in field-deployed handheld devices can induce solder joint fatigue at the BGA interface due to CTE mismatch between silicon and PCB laminate. Primary failure modes include intermittent connections on fine-pitch balls under mechanical stress or vibration, particularly near edge pins. To mitigate risk, designers should use robust PCB materials (e.g., high-Tg laminates), apply proper underfill if reworkable, and conduct accelerated life testing simulating 5–10 years of usage cycles before deployment.
Can the TPS658621CZGUR operate without a dedicated battery presence detection circuit, and what are the functional consequences?
Yes, the TPS658621CZGUR can function without external battery detection hardware, as it internally monitors VBAT and disables charging if no valid battery is detected. However, lacking precise impedance-tracking or thermistor-based temperature compensation reduces charging safety and efficiency. Without a proper battery presence circuit, the system may fail to initiate charging even with a healthy battery present, or charge at suboptimal rates, leading to longer charging times and potential battery health degradation over time.
What are the differences between using the TPS658621CZGUR in a smartphone versus a wearable device, particularly regarding power sequencing and quiescent current?
In smartphones, the TPS658621CZGUR typically supports aggressive power sequencing with multiple rails powered up/down in strict order to protect sensitive SoCs. In contrast, wearables prioritize ultra-low quiescent current—often below 1µA in shutdown mode—but may relax sequencing rigidity to extend sleep time. The TPS658621 accommodates both through programmable enable signals and soft-start control, but firmware must be tailored accordingly. Wearable implementations often disable unused blocks like camera flash drivers to minimize leakage, whereas smartphone configurations keep all peripherals active for responsiveness.
Is reverse polarity protection feasible on the input side when using the TPS658621CZGUR, and how would it impact efficiency?
Direct reverse polarity protection cannot be implemented internally within the TPS658621CZGUR, as it lacks integrated back-to-back MOSFET structures. Instead, an external P-channel MOSFET or ideal diode controller must be added before VIN. This adds component count and introduces a small voltage drop (~30–50mV), reducing overall efficiency by less than 1% under normal conditions. However, it prevents catastrophic failure if the power source is accidentally reversed, which is critical in field-replaceable battery designs.
How does the I²C interface on the TPS658621CZGUR facilitate dynamic power management, and what register-level controls are available for real-time optimization?
The TPS658621CZGUR exposes extensive I²C-accessible registers allowing real-time adjustment of output voltages, charging profiles, and LED currents. For example, the LDOPWR register allows runtime modification of boost converter setpoints without resetting the device. Combined with interrupts for fault events (overtemp, OVP, etc.), this enables adaptive power policies based on application state—such as dimming LEDs during standby or throttling CPU voltage under thermal constraints. Proper use of these registers requires understanding of timing margins and avoiding conflicting commands during transitions.
What precautions are necessary when debugging the TPS658621CZGUR using an oscilloscope, given its compact form factor and mixed-signal nature?
Due to the 169-BGA footprint, probing critical nodes like SW pins or FB loops demands fine-tip probes and minimal ground lead length to avoid ringing. High-impedance differential probes are recommended for switching node measurements to prevent loading effects that distort switching waveforms. Additionally, ensure the scope ground is isolated from the DUT ground plane to avoid ground loops that introduce noise into sensitive analog feedback paths. Use bandwidth limiting (e.g., 20MHz) when observing ripple to filter out high-frequency artifacts from the probe itself.
How does the TPS658621CZGUR interact with external LDOs or buck converters in a hybrid power architecture?
The TPS658621CZGUR integrates several DC-DC converters (buck, boost, LDOs), but in systems requiring additional rails, external regulators can be cascaded. For instance, an external LDO fed from one of the PMIC’s outputs can provide ultra-low-noise power for RF sections. However, care must be taken to avoid interaction between enable signals and ensure sequencing respects startup/shutdown timings. Cross-regulation between internal and external regulators should be analyzed under worst-case load steps to prevent overshoots or instability.
What are the legal and compliance implications of distributing products containing the TPS658621CZGUR in regulated markets?
The TPS658621CZGUR complies with RoHS3 and is REACH unaffected, meeting EU regulatory standards for hazardous substance restrictions. Its ECCN classification is EAR99, indicating it is generally export-controlled but not subject to strict ITAR or military-grade restrictions. However, end-product integration—especially if used in medical or avionics equipment—may trigger additional certifications (e.g., FCC Part 15, CE RED). Manufacturers must verify final device compliance rather than rely solely on component-level status.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS658621CZGUR

Product Attribute TPS658621AZGUR TPS658621DZGUR TPS658621CZGUT TPS658621AZGUR-1
Part Number TPS658621AZGUR TPS658621DZGUR TPS658621CZGUT TPS658621AZGUR-1
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Mounting Type - Surface Mount Through Hole Surface Mount
Voltage - Supply - - - -
Applications - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
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)
Base Product Number - DAC34H84 MAX500 ADS62P42
Current - Supply - - - -

TPS658621CZGUR Datasheet PDF

Download TPS658621CZGUR pdf datasheets and Texas Instruments documentation for TPS658621CZGUR - Texas Instruments.

Datasheets
Cylindrical Battery Holders.pdf
PCN Obsolescence/ EOL
Cylindrical Battery Holders.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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Brazil 7
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United Kingdom 4
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New Zealand 5
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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:
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Texas Instruments

TPS658621CZGUR

Texas Instruments
32D-TPS658621CZGUR

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