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HomeProductsIntegrated Circuits (ICs)PMIC - Power Management - SpecializedTPS658621DZGUR
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TPS658621DZGUR - Texas Instruments

Manufacturer Part Number
TPS658621DZGUR
Manufacturer
Texas Instruments
Allelco Part Number
32D-TPS658621DZGUR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
3,910 pcs available, New & Original
Parts Description
IC LI-ION PATT/PWR MGMT 169BGA
Package
169-BGA MicroStar (12x12)
Data sheet
TPS658621DZGUR.pdf

PCN Obsolescence/ EOL

Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
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In stock: 3910

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Specifications

TPS658621DZGUR Tech Specifications
Texas Instruments - TPS658621DZGUR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS658621DZGUR

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

TPS658621DZGUR

Manufacturer

texas-instruments

Introduction

The TPS658621DZGUR is a highly integrated power management integrated circuit (PMIC) designed for battery-powered handheld and mobile devices. It combines multiple power management functions, including a high-efficiency switching regulator, low-dropout (LDO) regulators, and a battery charger, in a compact package.

Product Features and Performance

Highly integrated PMIC with multiple power rails

High-efficiency switching regulator with up to 95% efficiency

Low-dropout (LDO) regulators for sensitive analog and RF circuits

Battery charger with advanced charging algorithms

Flexible power sequencing and power-up/power-down control

Comprehensive protection features, including over-current, over-temperature, and short-circuit protection

Product Advantages

Compact and integrated design, reducing the number of external components required

Efficient power conversion and management, extending battery life

Advanced charging algorithms for faster and safer battery charging

Comprehensive protection features for reliable and safe operation

Key Reasons to Choose

Optimized for battery-powered handheld and mobile devices

High efficiency and performance to extend battery life

Integrated design simplifies system implementation and reduces BOM cost

Comprehensive protection features ensure reliable and safe operation

Quality and Safety Features

Rigorous quality control and testing procedures

Compliance with relevant safety standards and regulations

Compatibility

The TPS658621DZGUR is designed to be compatible with a wide range of battery-powered handheld and mobile devices, including smartphones, tablets, and portable electronics.

Application Areas

Battery-powered handheld and mobile devices

Portable electronics

Power supply and battery management systems

Product Lifecycle

The TPS658621DZGUR is an obsolete product, meaning it is no longer in active production. However, our website's sales team may have equivalent or alternative models available that can provide similar functionality. Customers are advised to contact our website's sales team for more information on available options.

Frequently Asked Questions(FAQ)

How does the TPS658621DZGUR support power sequencing in a handheld device with multiple voltage rails?
The TPS658621DZGUR integrates advanced power sequencing control tailored for handheld and mobile devices, enabling precise timing coordination across its multiple regulated outputs. With support for up to six programmable rails, including buck converters and LDOs, it ensures that critical subsystems—such as processors and display drivers—power up and down in a defined order to prevent brownouts or latch-up conditions. This is especially important in compact designs where space constraints limit external timing components. The device’s internal logic allows designers to define rise/fall delays and enable/disable sequences via I²C, which helps maintain system stability during startup and shutdown transients.
What are the key differences between using the TPS658621DZGUR and a discrete PMIC solution for battery-powered mobile applications?
While discrete solutions offer flexibility, they increase board real estate, component count, and design complexity. The TPS658621DZGUR consolidates multiple functions—including DC/DC conversion, LDOs, battery charging, and display power management—into a single 169-BGA package. Compared to building equivalent functionality from individual regulators and charge controllers, this integration reduces BOM cost by an estimated 15–20%, improves thermal performance through shared ground planes, and simplifies compliance testing. Additionally, its I²C-based configuration reduces GPIO usage, which is critical in space-constrained handheld designs.
Can the TPS658621DZGUR handle simultaneous high-current loads without significant droop on intermediate rails?
Yes, the device supports multiple high-efficiency synchronous buck converters capable of delivering up to 2A per rail under typical load conditions. However, when all rails operate near maximum current simultaneously—such as during display backlight activation while charging the battery—the total power dissipation can approach 4–5W depending on input/output voltages. In such scenarios, careful layout with adequate PCB copper area and thermal vias is necessary to maintain junction temperatures below 125°C. The internal current limiting and thermal shutdown features provide protection, but derating may be required for continuous full-load operation in compact enclosures.
Is the TPS658621DZGUR suitable for use in environments with wide ambient temperature variations?
The device operates reliably over a standard industrial temperature range of −40°C to +85°C, making it appropriate for most handheld devices exposed to varying environmental conditions. However, its efficiency and output regulation can degrade slightly at the extremes due to semiconductor behavior changes. For applications requiring operation beyond this range, additional thermal management—such as heatsinking or airflow—may be needed. It is not inherently qualified for automotive-grade (-40°C to +125°C) environments unless explicitly tested under those conditions.
How does the TPS658621DZGUR compare to TI’s older TPS658620 in terms of LED driver capabilities?
The TPS658621DZGUR offers improved LED driving precision compared to the TPS658620, particularly in low-current modes used for ambient lighting control. It includes dedicated boost converters with higher switching frequency (up to 2.2MHz vs. 1.7MHz), enabling smaller inductors and capacitors. Additionally, it provides finer PWM dimming resolution and better flicker suppression, which enhances user experience in display-intensive applications like smartphones or tablets. Both devices share similar core architecture, but the DZGUR revision adds enhanced EMI mitigation and stricter output ripple specifications.
What precautions should be taken when routing power traces adjacent to sensitive analog signals on a board populated with the TPS658621DZGUR?
Given the mixed-signal nature of the TPS658621DZGUR, power traces—especially those feeding noisy digital loads or switching regulators—should be isolated from analog signal paths using ground guard rings or separate power islands. The device’s internal noise coupling mechanisms can induce jitter or offset errors in precision circuits if not properly managed. A recommended practice is to place decoupling capacitors as close as possible to each power pin and route them perpendicular to sensitive traces to minimize capacitive cross-talk. Additionally, the PGND (power ground) plane should be solid and connected directly to the bottom layer beneath the BGA footprint to reduce impedance.
Does the TPS658621DZGUR require external compensation networks for its internal buck regulators?
No, the TPS658621DZGUR uses internally compensated feedback loops for all integrated buck converters, eliminating the need for external compensation components. This simplifies layout and accelerates bring-up time. However, the loop bandwidth is fixed and optimized for general-purpose mobile applications, so it may not be ideal for ultra-fast transient response requirements. In cases where faster recovery from load steps is critical, designers must rely on bulk capacitance and low-ESR ceramic output filters rather than altering compensation topology.
How can the TPS658621DZGUR be configured for minimal standby current consumption in sleep mode?
During low-power states, the device enters a quasi-shutdown mode where most internal blocks are powered off except for a minimal bias circuit and I²C interface. To achieve this, the EN pins of non-critical rails must be pulled low, and the system load should not draw more than 5µA total from the battery. The internal LDOs can remain enabled if needed for wake-up signaling, but their output should be bypassed during deep sleep. Proper firmware control ensures that only essential peripherals stay active, extending battery life in always-on or IoT-enabled handsets.
What impact does the 169-BGA MicroStar (12x12) package have on manufacturing yield and reworkability?
The fine-pitch BGA package presents challenges for assembly and repair. With 1mm ball pitch and small land pads, solder bridging risk increases during reflow, especially if stencil aperture ratios are not optimized. Yield improvements depend heavily on process control in the SMT line, including accurate alignment and controlled reflow profiles. Rework becomes complex due to limited access; laser-based hot-air systems are typically required. Designers should allocate sufficient keep-out zones around the package to accommodate inspection tools and avoid placing test points too close to the edge.
How does the TPS658621DZGUR handle battery charging when operating in USB OTG mode?
When configured for USB On-The-Go (OTG), the TPS658621DZGUR disables battery charging to prioritize power delivery to the host port. This prevents conflicts between charging and sourcing roles. The device monitors VBUS presence and automatically switches the charger FET to pass-through mode, allowing the system to source up to 500mA (USB 2.0 compliant). Voltage regulation during OTG operation remains stable thanks to the robust internal LDO and bypass path, though efficiency drops slightly due to conduction losses. Designers must ensure adequate thermal headroom if both charging and OTG are exercised frequently.
Can the TPS658621DZGUR support dynamic voltage scaling for a multi-core processor?
Yes, the TPS658621DZGUR supports dynamic voltage scaling (DVS) by allowing the output voltage of one or more rails to be adjusted via I²C commands. For example, a processor rail can transition from 1.2V to 0.9V during idle periods without interrupting operation. However, the slew rate of the internal DAC limits how quickly voltage can change—typically 1–2mV/μs depending on load—which may not meet the demands of ultra-low-latency DVFS implementations. Therefore, while feasible, DVS should be implemented conservatively to avoid violating processor timing margins.
What role does the Moisture Sensitivity Level (MSL) rating of 3 play in handling the TPS658621DZGUR?
An MSL of 3 indicates that the TPS658621DZGUR must be assembled within 168 hours after opening the humidity barrier bag, assuming storage at ≤85% relative humidity. Exceeding this window risks moisture ingress during reflow, leading to popcorning. Manufacturers must follow JEDEC J-STD-033 guidelines, including baking prior to assembly if the shelf life has expired. This requirement applies strictly to production batches; prototypes handled briefly may be exempt depending on facility humidity controls. Proper documentation and traceability are essential for supply chain compliance.
How does the TPS658621DZGUR compare to competing solutions from Qualcomm or MediaTek in integrated PMIC functionality?
Unlike system-on-chip platforms that embed power management tightly with CPU/GPU cores, the TPS658621DZGUR operates as a standalone PMIC that can interface with various application processors. While Qualcomm’s PMICs are often co-packaged with Snapdragon SoCs, the TPS658621DZGUR offers greater flexibility in processor selection and board architecture. It provides comparable efficiency and sequencing features but lacks integrated baseband or connectivity functions. From a design standpoint, using the TPS658621DZGUR allows decoupling power strategy from silicon vendor lock-in, offering longer-term roadmap independence.
Are there any known limitations in using the TPS658621DZGUR for wireless charging integration?
The TPS658621DZGUR does not include native support for Qi-compliant wireless charging protocols, so an external controller is required. While it can regulate the system load during inductive charging events, managing coil resonance, foreign object detection, and communication with the transmitter falls outside its scope. Designers must ensure that the wireless charging IC communicates properly with the PMIC’s battery charging algorithm to avoid overvoltage or inefficient transfer. Coexistence between RF energy pickup and digital noise generated by the TPS658621DZGUR necessitates careful partitioning of analog and digital sections on the PCB.
What considerations apply when cascading the TPS658621DZGUR with a secondary PMIC in a multi-battery system?
Cascading is generally discouraged unless absolutely necessary due to complexity in sequencing and fault isolation. If required, the master TPS658621DZGUR must coordinate enable signals and status registers with the secondary PMIC over I²C or GPIOs. Timing mismatches can cause inrush current surges or undefined states during transitions. Additionally, shared ground planes must be carefully designed to prevent ground bounce between domains. Most importantly, the combined solution must still meet safety certifications like UL60950 or IEC62368, which become harder to validate with multiple ICs managing power flow.
How does the RoHS3 compliance of the TPS658621DZGUR affect material selection in high-reliability designs?
RoHS3 compliance means the device adheres to EU Directive 2015/863, restricting four additional phthalates (DEHP, BBP, DBP, DIBP) beyond the original six substances. This impacts not just the IC itself but also the entire PCB assembly process, including solder alloys, conformal coatings, and connector finishes. In medical or industrial handheld devices, stricter outgassing or halogen-free requirements may further constrain material choices. Designers should verify that all interconnects and substrates used alongside the TPS658621DZGUR meet these expanded restrictions to ensure global market readiness.
What diagnostic features does the TPS658621DZGUR provide for field troubleshooting?
The TPS658621DZGUR includes built-in status registers accessible via I²C that report faults such as overcurrent, overtemperature, undervoltage lockout, and charger errors. These can be polled by firmware to trigger logging or user alerts. However, it lacks advanced telemetry like real-time power monitoring or current sensing—designers must implement external shunt resistors or couplers if detailed consumption analysis is required. The device also supports watchdog functionality, allowing system reset if software hangs during boot, improving reliability in unattended deployments.
How should the TPS658621DZGUR be evaluated during prototype development to validate real-world performance?
Early evaluation should focus on transient response under realistic load steps mimicking user interactions—such as screen brightness changes or camera flash activation. Use oscilloscopes with differential probes to measure output ripple (<30mVpp expected) and settling time. Thermal imaging during peak loads reveals hotspots near switching nodes, guiding PCB layout adjustments. Firmware should exercise all power modes (normal, suspend, OTG) to confirm sequencing integrity. Finally, conduct battery life tests with mixed workloads to validate claims of <10µA quiescent current in deep sleep.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS658621DZGUR

Product Attribute TPS658621CZGUR TPS658621AZGUR-1 TPS658621DZGUT TPS658621AZGUR
Part Number TPS658621CZGUR TPS658621AZGUR-1 TPS658621DZGUT TPS658621AZGUR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Applications - - - -
Current - Supply - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Base Product Number - DAC34H84 MAX500 ADS62P42
Mounting Type - Surface Mount Through Hole Surface Mount
Voltage - Supply - - - -

TPS658621DZGUR Datasheet PDF

Download TPS658621DZGUR pdf datasheets and Texas Instruments documentation for TPS658621DZGUR - Texas Instruments.

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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Texas Instruments

TPS658621DZGUR

Texas Instruments
32D-TPS658621DZGUR

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