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Skyworks Solutions Inc. AAT2215IWP-T1
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- Part No.:
- AAT2215IWP-T1
- Manufacturer:
- Skyworks Solutions Inc.
- Package:
- 12-WFDFN Exposed Pad
- Datasheet:
-
AAT2215IWP-T1.pdf
- Description:
- IC REG BOOST ADJ 3A 12TDFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,585
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Product details
Overview
AAT2215IWP-T1 from Skyworks is a high-efficiency, 1.5A synchronous step-down DC-DC converter with integrated MOSFETs, operating from 2.7V to 5.5V input and delivering adjustable output from 0.6V to VIN, featuring 3MHz switching frequency and 100% duty cycle capability for low-dropout operation.
For engineers reviewing the AAT2215IWP-T1 datasheet, AAT2215IWP-T1 pinout, AAT2215IWP-T1 application, or AAT2215IWP-T1 equivalent, key selection criteria include input voltage range, output current capability, switching frequency, enable control logic, and thermal performance in compact WLCSP packages.
Technical Context
The AAT2215IWP-T1 employs a constant-on-time (COT) control architecture enabling fast transient response and stable operation without external compensation components. It integrates high-side and low-side N-channel MOSFETs with typical RDS(ON) of 120mΩ and 80mΩ respectively, supporting continuous 1.5A output current at ambient temperatures up to +85°C.
Internal soft-start limits inrush current during power-up, while over-temperature and over-current protection ensure robust operation under fault conditions. The device supports forced PWM mode and enters power-save mode at light loads to maintain high efficiency across the full load range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.7V to 5.5V - supports single-cell Li-ion, Li-polymer, and regulated 3.3V/5V rails. |
| Output Current | 1.5A continuous - sufficient for powering core logic, RF transceivers, or imaging sensors. |
| Switching Frequency | 3MHz - enables use of small external ceramic capacitors and inductors (e.g., 1µH). |
| Feedback Reference | 0.6V - allows precise output regulation down to sub-1V levels for modern low-voltage ICs. |
| Duty Cycle Range | 0% to 100% - supports dropout operation when VOUT ≈ VIN, critical for battery-powered systems. |
| Quiescent Current | 45µA in power-save mode - extends battery life in standby or low-power states. |
Pinout & Package
Package: 12-bump, 1.6mm × 1.6mm, 0.4mm pitch Wafer-Level Chip-Scale Package (WLCSP) with wettable flank terminals for automated optical inspection (AOI).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Input Power Supply | Connects to main input rail (2.7–5.5V); requires local 10µF ceramic decoupling. |
| VOUT | Regulated Output | Power output node; connects to LC filter and load; senses feedback via external resistor divider. |
| FB | Feedback Input | Monitors output voltage via resistor divider; sets output as VOUT = 0.6V × (1 + R1/R2). |
| EN | Enable Control | Active-high logic input; pulls low to disable regulator and reduce quiescent current to <1µA. |
| GND | Power Ground | Primary return path for input/output currents; multiple bumps tied to exposed thermal pad. |
| PGND | Power Ground | Dedicated ground for power switches; must be connected to GND plane with low-inductance path. |
| SW | Switch Node | Connection point between internal high-side and low-side MOSFETs; routes to external inductor. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Power MOSFETs | Eliminates need for external high-side/low-side switches and reduces board area by >40% vs discrete solutions. |
| 3MHz Constant-On-Time Control | Enables <10µs load transient response and eliminates loop compensation components. |
| 100% Duty Cycle Operation | Maintains regulation even when input drops near output voltage-critical for Li-ion end-of-discharge. |
| Thermal Shutdown Protection | Halts switching at +150°C junction temperature and resumes after cooldown, preventing permanent damage. |
| Wettable Flank WLCSP | Supports automated optical inspection (AOI) of solder joints, improving manufacturing yield and reliability. |
Applications
| Smartphone PMIC Core Rail | Wearable Sensor Power |
|---|---|
Use Scenario: Powers application processor cores or GPU subsystems in space-constrained smartphones requiring dynamic voltage scaling. IC Role / Device Role / Timing Role: Primary buck regulator delivering 0.8V–1.2V at up to 1.5A with fast load-step response. Use Value: 3MHz switching enables compact 1.0×1.0mm inductor footprint and maintains regulation during CPU burst loads. | Use Scenario: Supplies ultra-low-power motion sensors and environmental monitors in hearables and fitness trackers. IC Role / Device Role / Timing Role: Efficient intermediate rail generator stepping down from 3.6V battery to 1.8V sensor logic supply. Use Value: 45µA quiescent current in power-save mode extends battery runtime beyond 7 days per charge. |
| IoT Edge Node MCU Rail | Portable Medical Diagnostic Module |
Use Scenario: Provides stable 3.3V supply to ARM Cortex-M microcontrollers in battery-operated wireless sensor nodes. IC Role / Device Role / Timing Role: Main system regulator with enable control synchronized to MCU sleep/wake cycles. Use Value: 100% duty cycle operation sustains 3.3V output as battery discharges from 4.2V to 3.4V without dropout. | Use Scenario: Powers analog front-end and ADC circuitry in handheld ECG or pulse oximetry devices. IC Role / Device Role / Timing Role: Low-noise, tightly regulated 2.5V rail for precision signal acquisition. Use Value: Integrated MOSFETs and COT control minimize output ripple (<10mVPP) critical for 16-bit ADC accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar buck regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS62130ARGTR | 2.95–6V input, 3A output, 2.5MHz, 12-pin VQFN; higher current but larger package. | Better suited for higher-power industrial controllers where 3A headroom is needed. | Select if >1.5A sustained load or wider input range required; verify PCB layout for thermal relief. |
| RT8059GJ6F | 2.5–5.5V input, 1.2A output, 3MHz, 6-pin DFN; lower current rating and no 100% duty cycle. | Acceptable for simpler IoT endpoints with fixed 3.3V output and lighter loads. | Choose only for cost-sensitive designs with ≤1.2A peak demand and no deep-discharge battery support. |
Compared with TPS62130ARGTR and RT8059GJ6F, the AAT2215IWP-T1 uniquely balances 1.5A capability, 3MHz operation, 100% duty cycle, and ultra-compact WLCSP in a single solution-ideal for next-generation portable electronics where size, efficiency, and battery discharge depth are co-constrained.
Availability
AAT2215IWP-T1 is available at Aetrix Electronics and suitable for smartphone power management, wearable sensor modules, and IoT edge node designs requiring stable component supply and long-term manufacturability.
Supply support for AAT2215IWP-T1 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
Skyworks Solutions is a global semiconductor company specializing in analog and mixed-signal connectivity solutions for mobile, infrastructure, automotive, and industrial markets.
The AAT2215IWP-T1 belongs to Skyworks' AAT22xx family of high-frequency, high-efficiency DC-DC converters designed specifically for space- and power-constrained portable electronics.
FAQ
What is the maximum recommended output current for the AAT2215IWP-T1?
The AAT2215IWP-T1 is rated for continuous 1.5A output current under typical PCB layout conditions with adequate copper area and airflow. Derating applies above +85°C ambient; full 1.5A is guaranteed up to +85°C junction temperature with proper thermal design. The AAT2215IWP-T1 includes over-current protection that limits peak switch current to prevent damage during short-circuit events.
Does the AAT2215IWP-T1 require external compensation components?
No, the AAT2215IWP-T1 uses a constant-on-time (COT) control architecture that eliminates the need for external compensation networks. Stability is inherent across all operating conditions and output capacitor types, including low-ESR ceramic capacitors. This simplifies design and reduces bill-of-materials count for the AAT2215IWP-T1 compared to voltage-mode buck regulators.
Can the AAT2215IWP-T1 operate with input voltage equal to the desired output voltage?
Yes, the AAT2215IWP-T1 supports 100% duty cycle operation, allowing it to maintain regulation when VIN equals or slightly exceeds VOUT. This feature is essential for maintaining system operation during deep battery discharge, such as when a 3.6V nominal Li-ion cell drops to 3.3V while powering a 3.3V rail. The AAT2215IWP-T1 achieves this without dropout or reset.
What package type does the AAT2215IWP-T1 use, and is it compatible with standard reflow profiles?
The AAT2215IWP-T1 uses a 12-bump, 1.6mm × 1.6mm wafer-level chip-scale package (WLCSP) with wettable flank terminals. It is compatible with standard lead-free reflow profiles (J-STD-020 Class 3), and the wettable flanks enable reliable automated optical inspection (AOI) of solder joints. The AAT2215IWP-T1's thermal pad is internally connected to GND for enhanced heat dissipation.
How does the AAT2215IWP-T1 manage efficiency at light loads?
The AAT2215IWP-T1 automatically transitions into power-save mode at light loads, reducing switching frequency and quiescent current to 45µA. This preserves battery life in standby or intermittent-use applications. Unlike burst-mode regulators, the AAT2215IWP-T1 maintains low output voltage ripple during power-save operation. The AAT2215IWP-T1 exits power-save mode seamlessly when load increases, ensuring uninterrupted system performance.
AAT2215IWP-T1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Skyworks Solutions Inc.
- Series:
- SwitchReg™
- Package/Case:
- 12-WFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Function:
- Step-Up
- Output Configuration:
- Positive
- Topology:
- Boost
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.4V
- Voltage - Input (Max):
- 5.75V
- Voltage - Output (Min/Fixed):
- 3V
- Voltage - Output (Max):
- 5.5V
- Current - Output:
- 3A (Switch)
- Frequency - Switching:
- 600kHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 12-TDFN (3x3)
AAT2215IWP-T1 FAQ
1.How can I place an order for AAT2215IWP-T1 through Aetrix?
Please submit a Request for Quotation (RFQ) for AAT2215IWP-T1 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 AAT2215IWP-T1 reliable?
The price and inventory of AAT2215IWP-T1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AAT2215IWP-T1 is usually 5 days.
3.What payment methods are accepted for AAT2215IWP-T1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AAT2215IWP-T1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AAT2215IWP-T1?
AAT2215IWP-T1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AAT2215IWP-T1 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 AAT2215IWP-T1?
For technical support, including AAT2215IWP-T1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AAT2215IWP-T1 requirements.
6.How does Aetrix verify that AAT2215IWP-T1 is sourced from the original manufacturer or authorized distributors?
All AAT2215IWP-T1 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 AAT2215IWP-T1 meets industry standards.
7.What is the process for return or replacement of AAT2215IWP-T1?
All AAT2215IWP-T1 units undergo pre-shipment inspection (PSI). If there is an issue with AAT2215IWP-T1, 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 AAT2215IWP-T1 part is unused and in its original packaging.
Return procedure for AAT2215IWP-T1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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