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Diodes Incorporated AP63205QWU-7
- Part No.:
- AP63205QWU-7
- Manufacturer:
- Diodes Incorporated
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
AP63205QWU-7.pdf
- Description:
- IC REG BUCK 5V 2A TSOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:3,929
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Product details
Overview
AP63205QWU-7 from Diodes Incorporated is an AEC-Q100 Grade 1 automotive synchronous buck converter delivering 2A continuous output at fixed 5V from 3.8V–32V input. It integrates 125mΩ high-side and 68mΩ low-side MOSFETs, operates at 1100kHz switching frequency, and achieves up to 88% efficiency at 5mA light load in PFM mode-used in automotive body electronics for stable 5V rail generation.
For engineers reviewing the AP63205QWU-7 datasheet, AP63205QWU-7 pinout, AP63205QWU-7 application, or AP63205QWU-7 equivalent, key selection factors include its TSOT26 package, 1.18V precision enable threshold, ±1% 5V output accuracy, Frequency Spread Spectrum (±6% jitter), and integrated EMI-reduction gate driver scheme.
Technical Context
This device implements peak current mode control with fully integrated loop compensation, eliminating external compensation components. Its proprietary gate driver suppresses switching node ringing without extending turn-on/turn-off times-directly reducing high-frequency radiated EMI.
The AP63205QWU-7 supports Pulse Frequency Modulation (PFM) for ultra-low quiescent current (22µA) at light loads and maintains PWM operation across full load range only in AP63201Q variant-AP63205QWU-7 uses PFM/PWM hybrid mode with automatic transition, enabling high efficiency from 5mA to 2A.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VIN Range | 3.8V to 32V DC - supports wide automotive battery transients including cold-crank (4.5V) and load-dump (32V) |
| VOUT | Fixed 5.000V ±1% - eliminates external feedback resistors; enables single-component 5V rail generation |
| IOUT | 2A continuous - sustains full-rated current at TA = +125°C with recommended PCB layout |
| fSW | 1100kHz ±10% - enables compact LC filter design using ≤4.7µH inductors and 2×22µF output capacitance |
| IQ (PFM) | 22µA - extends battery runtime in always-on automotive modules (e.g., telematics wake-up circuits) |
| RDS(ON) HS/Low-Side | 125mΩ / 68mΩ - minimizes conduction loss; delivers >85% efficiency at 2A/12V→5V |
| FSS Jitter | ±6% - spreads spectral energy to reduce peak EMI amplitude by >10dB in CISPR 25 Class 5 testing |
| Enable Threshold | 1.18V ±70mV - allows precise UVLO adjustment via resistor divider on EN pin |
Pinout & Package
AP63205QWU-7 is housed in a thermally enhanced TSOT26 package (2.9mm × 1.6mm × 0.6mm, 0.95mm pitch) with exposed thermal pad for junction-to-board heat transfer (θJA = 89°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| FB | Feedback sensing input | Monitors output voltage via internal 0.8V reference; not connected on AP63205QWU-7 (fixed 5V) |
| EN | Enable control input | Digital logic input with 1.18V threshold; floating or tied to VIN for automatic startup |
| VIN | Main power input | Supplies IC bias and power stage; requires ≥10µF ceramic bypass capacitor to GND |
| GND | Power ground reference | Common return path for high-current SW node and low-noise analog circuitry |
| SW | Switching node output | Connects to inductor; carries high di/dt current; requires tight loop layout to minimize EMI |
| BST | Bootstrap supply for HS gate driver | Requires 100nF ceramic capacitor between BST and SW to sustain high-side MOSFET drive |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for -40°C to +125°C ambient operation in automotive power systems |
| Integrated FSS modulation | Reduces EMI peak emissions by spreading fundamental switching energy across 66–1166kHz band |
| Proprietary gate driver | Suppresses VSW ringing below 100MHz without increasing MOSFET switching losses |
| Low-dropout (LDO) mode | Maintains regulation down to VIN – VOUT = 0.8V, supporting near-dropout operation during brownout |
| Comprehensive protection suite | Includes cycle-by-cycle OCP, thermal shutdown (+160°C), output OVP, and UVLO with hysteresis |
| Lead-free & halogen-free | Meets RoHS 3 (2015/863/EU) and Diodes' "Green" definition (<900ppm Br+Cl, <1000ppm Sb) |
Applications
| Automotive Body Control Module (BCM) | Automotive Instrument Cluster |
|---|---|
Use Scenario: Powering microcontroller, CAN transceiver, and LED drivers in door module or lighting control unit. IC Role / Device Role / Timing Role: Primary 5V DC-DC regulator supplying core logic and interface ICs. Use Value: Delivers stable 5V under 4.5–16V battery range with <2% line/load regulation and 22µA IQ for low-power sleep modes. | Use Scenario: Generating 5V rail for TFT-LCD controller, touch panel MCU, and backlight dimming circuitry. IC Role / Device Role / Timing Role: Fixed-output buck converter providing noise-immune power to display subsystem. Use Value: FSS + optimized gate driver reduces conducted/radiated EMI to meet CISPR 25 Class 5 limits near sensitive analog front-ends. |
| Automotive Telematics Control Unit (TCU) | Advanced Driver Assistance Systems (ADAS) Camera Module |
Use Scenario: Supplying 5V to LTE modem, GNSS receiver, and secure element in connected vehicle gateway. IC Role / Device Role / Timing Role: Always-on power source with fast transient response for burst-data communication. Use Value: 80ns minimum on-time and 2A capability support rapid load steps (0→2A in <100µs) without output droop >3%. | Use Scenario: Powering image sensor, ISP, and serializer in rear-view or surround-view camera. IC Role / Device Role / Timing Role: Compact, high-efficiency 5V supply operating in engine bay temperature extremes. Use Value: TSOT26 package with θJA = 89°C/W enables operation at +105°C ambient without derating when mounted on 2oz copper. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fixed-output synchronous buck converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPQ4420AGQ-A | 4.5–60V input, 2A, fixed 5V, 1.2MHz, no FSS, higher IQ (40µA) | Lacks automotive qualification; rated for industrial temp only (-40°C to +125°C junction) | Select when wider VIN range is needed and AEC-Q100 is not required. |
| TPS54202HDDCR | 4.5–28V input, 2A, adjustable VOUT, 500kHz, no FSS, higher IQ (45µA) | Requires external feedback resistors; lacks integrated FSS and Grade 1 qualification | Select for non-automotive designs needing adjustable output or lower cost in volume production. |
Compared with MPQ4420AGQ-A and TPS54202HDDCR, the AP63205QWU-7 uniquely combines AEC-Q100 Grade 1 compliance, integrated FSS, 22µA IQ, and fixed 5V output in TSOT26-making it optimal for space-constrained, EMI-sensitive automotive modules requiring zero-resistor configuration and extended temperature reliability.
Availability
AP63205QWU-7 is available at Aetrix Electronics and suitable for automotive body electronics, instrument clusters, telematics control units, and ADAS camera modules requiring stable component supply with full PPAP documentation and IATF 16949 traceability.
Supply support for AP63205QWU-7 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and ICs, specializing in high-reliability power management, signal integrity, and protection solutions for automotive, industrial, and consumer markets.
The AP6320xQ series belongs to Diodes' automotive-qualified DC-DC converter product line, designed specifically for robust, low-EMI, high-efficiency power conversion in harsh vehicle environments-from infotainment head units to safety-critical ADAS sensors.
FAQ
What is the recommended input capacitor for AP63205QWU-7?
A minimum 10µF X5R/X7R ceramic capacitor placed within 3mm of VIN and GND pins is required. Diodes recommends pairing it with a 1µF high-frequency ceramic for optimal high-frequency noise suppression. Total input capacitance must handle RMS input ripple current up to 1.2A at 2A load.
Does AP63205QWU-7 require external feedback resistors?
No. AP63205QWU-7 provides a factory-trimmed fixed 5.000V output; the FB pin is internally connected and must be left unconnected. External resistors are unnecessary-reducing BOM count and layout area versus adjustable buck converters.
How does the Frequency Spread Spectrum (FSS) function in AP63205QWU-7?
FSS modulates the 1100kHz switching frequency by ±6% (±66kHz) in a pseudo-random pattern, dispersing EMI energy across a 132kHz bandwidth. This prevents narrowband spectral peaks, lowering peak radiated emissions by 10–15dB compared to fixed-frequency operation in CISPR 25 testing.
What thermal derating applies to AP63205QWU-7 at +105°C ambient?
With the recommended 2-layer FR-4 PCB (2oz copper, minimum pad layout), AP63205QWU-7 delivers full 2A output up to +105°C ambient. Above that, current must be linearly reduced by 25mA/°C until thermal shutdown triggers at TJ = +160°C-verified per θJA = 89°C/W and θJC = 39°C/W ratings.
AP63205QWU-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOT-23-6 Thin, TSOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 3.8V
- Voltage - Input (Max):
- 32V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 2A
- Frequency - Switching:
- 1.1MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-6
AP63205QWU-7 FAQ
1.How can I place an order for AP63205QWU-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP63205QWU-7 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 AP63205QWU-7 reliable?
The price and inventory of AP63205QWU-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP63205QWU-7 is usually 5 days.
3.What payment methods are accepted for AP63205QWU-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP63205QWU-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP63205QWU-7?
AP63205QWU-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP63205QWU-7 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 AP63205QWU-7?
For technical support, including AP63205QWU-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP63205QWU-7 requirements.
6.How does Aetrix verify that AP63205QWU-7 is sourced from the original manufacturer or authorized distributors?
All AP63205QWU-7 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 AP63205QWU-7 meets industry standards.
7.What is the process for return or replacement of AP63205QWU-7?
All AP63205QWU-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP63205QWU-7, 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 AP63205QWU-7 part is unused and in its original packaging.
Return procedure for AP63205QWU-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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