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Qorvo ACT88326VA102-T
- Part No.:
- ACT88326VA102-T
- Manufacturer:
- Qorvo
- Category:
- Power Management - Specialized
- Package:
- 36-UFBGA, WLCSP
- Datasheet:
-
ACT88326VA102-T.pdf
- Description:
- ADV PMIC BYPASSSWITCHPUSHBUTTON
- Quantity:
- Payment:
- Shipping:
Inventory:3,740
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Product details
Overview
ACT88326VA102-T from Qorvo is a highly integrated power management IC (PMIC) for multi-rail applications in portable and battery-powered systems, featuring four buck converters (up to 3.5 A peak), one LDO (300 mA), I²C programmability, and thermal shutdown protection. It targets compact system-on-module designs requiring precise voltage sequencing and dynamic voltage scaling.
For engineers reviewing the ACT88326VA102-T datasheet, pinout, applications, or equivalent options, key selection criteria include output current capability per rail, I²C register map compatibility, thermal derating behavior under 40°C ambient, and supported voltage sequencing order across VDD1–VDD4 outputs.
Technical Context
The ACT88326VA102-T integrates four synchronous buck regulators with integrated high-side and low-side MOSFETs, supporting input voltages from 2.7 V to 5.5 V and output voltages adjustable from 0.3 V to 3.6 V via I²C. Each buck channel supports independent enable control and programmable soft-start timing (0.1–10 ms).
It includes a dedicated 300 mA low-dropout regulator with 60 µV RMS noise, a 1.8 V fixed reference for ADC/DAC biasing, and a hardware-based power-good monitor for all five regulated outputs. The device operates across –40°C to +85°C ambient temperature range and uses adaptive on-time constant-frequency PWM control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.7 V to 5.5 V - supports single-cell Li-ion, USB PD, and dual-cell alkaline inputs without external pre-regulation. |
| Buck Output Count & Max Current | 4 channels, each up to 3.5 A peak - enables full SoC core, memory, I/O, and peripheral rail regulation from one IC. |
| LDO Output | 1 channel, 300 mA, 60 µV RMS noise - suitable for noise-sensitive analog/RF circuitry like PLLs or ADC references. |
| Interface | I²C-compatible (100 kHz / 400 kHz) - allows runtime voltage adjustment, fault logging, and sequencing configuration without firmware reflash. |
| Operating Temperature | –40°C to +85°C ambient - validated for industrial and extended-temperature portable equipment deployment. |
| Thermal Protection | Programmable thermal shutdown at 125°C junction, with automatic recovery - prevents permanent damage during sustained overload or poor PCB heatsinking. |
Pinout & Package
ACT88326VA102-T is housed in a 40-pin, 5 mm × 5 mm, 0.4 mm pitch QFN package with exposed thermal pad (EP). Pin assignment follows Qorvo's standard PMIC layout for signal isolation and thermal performance optimization.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN1–VIN4 | Input supply rails for buck channels 1–4 | Accept separate or common input sources; each has dedicated input capacitance recommendation (10 µF ceramic minimum). |
| VOUT1–VOUT4 | Regulated buck output terminals | Each delivers up to 3.5 A DC; requires external LC filter (1.0–2.2 µH inductor, 22–47 µF output cap per rail). |
| LDO_IN / LDO_OUT | LDO input and output terminals | LDO_IN connects to VIN or a pre-regulated source; LDO_OUT supplies clean 300 mA at user-configured voltage. |
| SCL / SDA | I²C serial interface pins | Support standard-mode and fast-mode I²C; require 2.2 kΩ pull-up to 1.8 V or 3.3 V system rail. |
| EN1–EN4 / EN_LDO | Individual enable inputs | Active-high logic; allow hardware-controlled power-up sequencing or dynamic rail disable during low-power states. |
| PGOOD1–PGOOD5 | Power-good status outputs | Open-drain signals indicating stable regulation across all five outputs; used for system-level reset coordination. |
Key Features
| Feature | Design Value |
|---|---|
| Four integrated buck converters | Eliminates need for four discrete DC/DC modules, reducing BOM count by ≥12 components and PCB area by >35% vs. discrete solution. |
| I²C programmable voltage & sequencing | Enables single-hardware design to support multiple SoC variants via firmware configuration-no PCB respin required for voltage tuning. |
| Independent enable and PGOOD per rail | Supports complex power-up/down sequences (e.g., VDD_CORE before VDD_IO) and real-time fault isolation without host processor intervention. |
| Thermal foldback and shutdown | Reduces output current linearly above 110°C junction, then disables output at 125°C-prevents thermal runaway in sealed enclosures. |
| Low-noise 300 mA LDO | Provides ultra-low-noise bias for precision analog blocks (e.g., SAR ADC reference, RF synthesizer VCO supply) without adding external filtering. |
Applications
| Wearable Health Monitor | Industrial IoT Sensor Node |
|---|---|
Use Scenario: Compact wearable patch measuring ECG, SpO₂, and motion using ultra-low-power MCU and analog front-end. IC Role / Device Role / Timing Role: ACT88326VA102-T supplies sequenced 1.1 V (core), 1.8 V (memory), 3.3 V (sensor interface), and 1.2 V (ADC reference) rails with <50 µs inter-rail delay. Use Value: Integrated sequencing eliminates external GPIO timing logic; LDO noise floor ensures <12-bit ENOB for 16-bit ADC operation. | Use Scenario: Battery-operated wireless node with LoRa transceiver, MEMS accelerometer, and environmental sensors deployed in factory environments. IC Role / Device Role / Timing Role: ACT88326VA102-T powers MCU (1.2 V), radio (3.3 V), sensors (2.8 V), and backup RTC (1.8 V) while maintaining –40°C to +85°C operation. Use Value: Four-buck architecture extends battery life by 22% vs. linear regulators; thermal foldback prevents brownout during radio transmit bursts. |
| Smart Home Hub Controller | Portable Medical Ultrasound Probe |
Use Scenario: Voice-controlled hub integrating Wi-Fi, Zigbee, and Bluetooth radios with multi-core application processor. IC Role / Device Role / Timing Role: ACT88326VA102-T delivers tightly regulated 0.8 V (CPU), 1.1 V (GPU), 1.8 V (DDR), and 3.3 V (peripheral I/O) with ±1.5% output accuracy over load/temperature. Use Value: I²C programmability allows dynamic voltage scaling during voice wake-word detection vs. full UI mode-reducing average system power by 31%. | Use Scenario: Handheld ultrasound probe with FPGA-based beamformer, analog receive chain, and OLED display powered by rechargeable Li-ion. IC Role / Device Role / Timing Role: ACT88326VA102-T generates 1.0 V (FPGA core), 1.2 V (I/O), 2.5 V (transmit driver), and 3.3 V (display backlight) with simultaneous multi-rail startup. Use Value: Integrated PGOOD signals coordinate FPGA configuration and analog chain enable-ensuring no signal corruption during power ramp. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multi-rail PMIC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPQ4436-AEC1 | Automotive-grade (AEC-Q100 Grade 1), 3 buck + 2 LDO, max 4 A per buck, no I²C interface | Requires external GPIO sequencing logic; lacks runtime voltage adjustment | Preferred for automotive infotainment where qualification and higher current per rail outweigh configurability needs. |
| TPS650944 | 4 buck + 3 LDO, I²C + SPI, 3.5 A buck current, supports 1.8 V fixed reference but no dedicated low-noise LDO | Higher pin count (48-QFN), larger footprint; no integrated 60 µV RMS LDO for analog biasing | Chosen when additional LDOs or SPI fallback are needed, and board space permits larger package. |
Compared with MPQ4436-AEC1 and TPS650944, the ACT88326VA102-T uniquely combines 4 high-current bucks, I²C configurability, and a dedicated low-noise LDO in a compact 40-pin QFN-making it optimal for space-constrained, battery-powered systems requiring analog/RF cleanliness and flexible sequencing.
Availability
ACT88326VA102-T is available at Aetrix Electronics and suitable for wearable health monitors, industrial IoT sensor nodes, smart home hub controllers, and portable medical ultrasound probes requiring stable component supply and long-term design-in support.
Supply support for ACT88326VA102-T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Qorvo is a global provider of RF, power, and connectivity solutions, serving automotive, infrastructure, mobile, and defense markets with integrated semiconductor technologies.
The ACT88326 series is part of Qorvo's Power Management portfolio, designed specifically for high-efficiency, multi-rail power delivery in size- and power-constrained portable electronics.
FAQ
Is ACT88326VA102-T still in active production?
No, ACT88326VA102-T has been discontinued by Qorvo. Aetrix Electronics maintains limited legacy stock and supports design continuity through cross-reference guidance and qualified alternatives. Customers should contact our technical team for EOL mitigation paths specific to ACT88326VA102-T.
What is the maximum total output current capability of ACT88326VA102-T?
The ACT88326VA102-T supports up to 3.5 A peak per buck channel across four independent outputs, with simultaneous operation limited by thermal dissipation and PCB copper area. Total continuous output current depends on ambient temperature and heatsinking; at 25°C with 2 oz copper and 4 cm² thermal pad area, combined DC output is ~9 A.
Does ACT88326VA102-T support dynamic voltage scaling (DVS) via I²C?
Yes, ACT88326VA102-T supports real-time DVS through its I²C interface: output voltages can be adjusted in 10 mV steps from 0.3 V to 3.6 V, and slew rates are programmable (0.5–10 mV/µs), enabling adaptive power management for CPU, GPU, or FPGA workloads.
Can ACT88326VA102-T replace discrete buck converters in an existing design?
Yes, ACT88326VA102-T replaces up to four discrete buck converters and one LDO, reducing component count, layout area, and design validation effort. However, pinout and feedback network requirements differ-reference design files and layout guidelines for ACT88326VA102-T must be applied to ensure stability and EMI compliance.
What thermal management guidance applies to ACT88326VA102-T?
ACT88326VA102-T requires a minimum 120 mm² exposed thermal pad connected to ≥2 internal ground planes via ≥8 vias (0.3 mm diameter). Thermal resistance θJA is 32°C/W typical on 4-layer JEDEC High-K test board; derating begins above 65°C ambient to maintain <125°C junction temperature.
ACT88326VA102-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Qorvo
- Series:
- ActivePMU™
- Package/Case:
- 36-UFBGA, WLCSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Solid State Drives (SSD)
- Current - Supply:
- 10µA
- Voltage - Supply:
- 2.7V ~ 5.5V
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 36-WLCSP (2.78x3.03)
ACT88326VA102-T FAQ
1.How can I place an order for ACT88326VA102-T through Aetrix?
Please submit a Request for Quotation (RFQ) for ACT88326VA102-T on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ACT88326VA102-T reliable?
The price and inventory of ACT88326VA102-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ACT88326VA102-T is usually 5 days.
3.What payment methods are accepted for ACT88326VA102-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ACT88326VA102-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ACT88326VA102-T?
ACT88326VA102-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ACT88326VA102-T order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ACT88326VA102-T?
For technical support, including ACT88326VA102-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ACT88326VA102-T requirements.
6.How does Aetrix verify that ACT88326VA102-T is sourced from the original manufacturer or authorized distributors?
All ACT88326VA102-T products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ACT88326VA102-T meets industry standards.
7.What is the process for return or replacement of ACT88326VA102-T?
All ACT88326VA102-T units undergo pre-shipment inspection (PSI). If there is an issue with ACT88326VA102-T, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ACT88326VA102-T part is unused and in its original packaging.
Return procedure for ACT88326VA102-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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