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Diodes Incorporated AP22814BW5-7
- Part No.:
- AP22814BW5-7
- Manufacturer:
- Diodes Incorporated
- Package:
- SC-74A, SOT-753
- Datasheet:
-
AP22814BW5-7.pdf
- Description:
- IC PWR SWITCH P-CHAN 1:1 SOT25
- Quantity:
- Payment:
- Shipping:
Inventory:5,509
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Product details
Overview
AP22814BW5-7 from Diodes Incorporated is a single-channel, active-low enable, high-side load switch optimized for USB and hot-swap applications. It delivers 3.0 A continuous output current with 50 mΩ RDS(ON), integrated reverse-current blocking, over-current/over-temperature/short-circuit protection with auto-recovery, and a 6 ms deglitch-enabled open-drain FLG output. Designed for ultrabook power sequencing and SSD power rail control, it operates across 2.7 V to 5.5 V input voltage.
For engineers reviewing the AP22814BW5-7 datasheet, AP22814BW5-7 pinout, AP22814BW5-7 application, or AP22814BW5-7 equivalent, key selection criteria include its active-low EN logic, 3.0 A current limit, thermal shutdown at +140 °C with +35 °C hysteresis, and SOT25 package with exposed pad for thermal performance - all critical for robust USB port and solid-state drive power management designs.
Technical Context
The AP22814BW5-7 integrates an N-channel MOSFET with current-sense FET architecture for precise over-current detection without external resistors. Its UVLO threshold is 2.0 V (typ) with 180 mV hysteresis, ensuring reliable turn-on only after stable input supply establishment.
It implements dual-stage fault response: fast 6 ms deglitched FLG assertion for transient overload rejection, followed by thermal shutdown at +140 °C if faults persist. The built-in discharge path (90 Ω typ) actively discharges output capacitance when disabled, preventing floating rail issues in hot-plug systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.7 V to 5.5 V - supports full USB 2.0/3.0 bus voltage range and common 3.3 V/5 V system rails. |
| Continuous Output Current | 3.0 A - rated for high-capacitance loads like SSDs and tablet PC peripherals without derating at +85 °C ambient. |
| RDS(ON) | 50 mΩ (typ) - minimizes conduction loss (≤ 450 mW at 3 A), enabling use in thermally constrained SOT25 footprint. |
| Enable Logic Polarity | Active Low (B suffix) - compatible with standard GPIOs asserting low to enable power delivery, simplifying control logic. |
| FLG Blanking Time | 6 ms (typ) - suppresses false fault reporting during inrush or capacitive load transients, eliminating need for external RC filtering. |
| Thermal Shutdown Threshold | +140 °C (typ) with +35 °C hysteresis - enables safe auto-recovery cycling under sustained short-circuit, protecting both IC and downstream circuitry. |
| Reverse-Voltage Trip Point | 50 mV (typ) - blocks reverse current flow when VOUT > VIN by ≥50 mV, preventing backfeed in multi-rail systems. |
Pinout & Package
AP22814BW5-7 is housed in a Green SOT25 package (5-pin, 2.9 mm × 1.6 mm × 1.1 mm) with exposed thermal pad recommended for connection to PCB ground plane to achieve 123 °C/W junction-to-ambient thermal resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT) | Power Output Terminal | Switched high-side output; requires 0.1 μF ceramic + ≥10 μF bulk capacitor to GND for stability and short-circuit immunity. |
| 2 (GND) | Ground Reference | Primary signal and power return; must be connected to low-impedance ground plane, especially under the exposed pad. |
| 3 (FLG) | Open-Drain Fault Indicator | Active-low flag asserted after 6 ms deglitch on over-current or over-temperature; sinks up to 10 mA with 40 Ω on-resistance. |
| 4 (EN) | Enable Control Input | Active-low logic input; pulls low ≤0.65 V to enable; must not float - tie to GND or controlled GPIO. |
| 5 (IN) | Power Input Terminal | Main supply input; requires 1 μF X7R/X5R ceramic bypass capacitor placed adjacent to pin to suppress switching noise and UVLO transients. |
Key Features
| Feature | Design Value |
|---|---|
| Built-in Soft-start | 0.6 ms typical rise time - limits inrush current into large output capacitors (e.g., 120 μF SSD rails), preventing input droop and bus reset. |
| Integrated Output Discharge | 90 Ω discharge resistance - ensures rapid, controlled VOUT decay (<0.4 ms to <0.5 V with 1 μF) when disabled, avoiding floating or back-bias conditions. |
| Reverse Current Blocking | Active MOSFET gate control triggered at 50 mV VOUT–VIN differential - eliminates need for external Schottky diode in bidirectional power domains. |
| Auto-Recovery Protection | Over-current, short-circuit, and over-temperature faults self-clear once condition resolves - enables resilient operation in unattended embedded systems. |
| No External Components Required | 6 ms FLG blanking, UVLO, discharge, and protection logic fully integrated - reduces BOM count and layout area versus discrete solutions. |
Applications
| USB Port Power Switching | SSD Power Rail Control |
|---|---|
|
Use Scenario: Hot-plug insertion of USB peripherals into ultrabook or docking station ports. IC Role / Device Role / Timing Role: High-side load switch controlling 5 V bus power delivery with inrush limiting and short-circuit isolation. Use Value: Prevents host bus reset during plug-in via 0.6 ms soft-start and blocks reverse current if peripheral back-drives VBUS. |
Use Scenario: Enabling/disabling 3.3 V or 5 V power to NAND flash modules in M.2 or SATA SSDs. IC Role / Device Role / Timing Role: Precision-controlled power switch with fast discharge to meet NVMe power state transition timing (PS3→PS0). Use Value: Ensures <0.4 ms output discharge for compliant wake-up latency and eliminates leakage paths between powered/unpowered SSD lanes. |
| Notebook Power Sequencing | Set-Top Box USB Hub Management |
|
Use Scenario: Controlled ramp-up of auxiliary rails (e.g., display backlight, audio codec) after main CPU core voltage stabilizes. IC Role / Device Role / Timing Role: Sequenced high-side switch triggered by PMIC GPIO with programmable delay via RC on EN. Use Value: Eliminates cross-rail contention and latch-up risk by enforcing strict turn-on order without external timers or logic. |
Use Scenario: Independent power gating of multiple USB 2.0 downstream ports in consumer STB platforms. IC Role / Device Role / Timing Role: Per-port load switch with individual FLG monitoring for fault-isolation and diagnostics. Use Value: Enables software-driven port disable/re-enable without full system reboot, improving user experience and field serviceability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side load switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPL7407LDR | 7-channel, 500 mA per channel, open-drain driver with internal pull-up; no integrated MOSFET or protection features. | Designed for logic-level translation and LED driving, not power distribution; lacks current limiting, thermal shutdown, or reverse-blocking. | Select only for low-current digital signal switching - not a functional substitute for AP22814BW5-7's 3 A protected power switching. |
| TPS22915BYFPR | Single-channel, 2 A, 44 mΩ RDS(ON), active-high EN, 2.7–5.5 V; includes quick-output-discharge but no reverse-voltage protection. | Targeted at space-constrained mobile apps; missing 50 mV reverse-voltage comparator and +140 °C thermal trip with hysteresis. | Choose when board space is critical and reverse-current blocking is handled externally; not drop-in for USB backfeed-sensitive designs. |
Compared with TPL7407LDR and TPS22915BYFPR, AP22814BW5-7 uniquely combines 3.0 A rating, active-low EN, reverse-voltage protection, and auto-recovering thermal/over-current protection in SOT25 - making it the only option qualified for USB-compliant hot-swap and SSD power gating where fault resilience and regulatory compliance are mandatory.
Availability
AP22814BW5-7 is available at Aetrix Electronics and suitable for USB port power management, SSD power rail control, and notebook power sequencing requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.
Supply support for AP22814BW5-7 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 analog ICs, specializing in high-reliability power management, signal integrity, and protection solutions for computing, consumer, and industrial markets.
The AP228xx family was designed specifically for USB-compliant hot-swap and high-capacitance load switching, emphasizing robust fault handling, minimal external components, and thermal efficiency in compact packages.
FAQ
What is the maximum continuous output current rating for AP22814BW5-7?
The AP22814BW5-7 is rated for 3.0 A continuous output current under recommended operating conditions (VIN = 2.7 V to 5.5 V, TA ≤ +85 °C, with proper PCB thermal design). This rating is validated per the datasheet's ILIMIT specification (3.1–3.45–3.8 A range at VIN = 5 V, VOUT = 4.5 V) and accounts for thermal derating in the SOT25 package.
Does AP22814BW5-7 provide reverse-current protection, and how does it operate?
Yes, AP22814BW5-7 provides active reverse-current blocking. When VOUT exceeds VIN by ≥50 mV for ≥6 ms, the internal MOSFET gate is turned off, preventing backflow. Recovery occurs automatically when the reverse-voltage condition is removed, with no latch or manual reset required - confirmed in the "Reverse-Voltage Protection Response" test waveform (DS39137 p.8).
Can the FLG pin be pulled up to a voltage different from VIN?
No - the FLG pin must be pulled up to the same VIN supply used by the AP22814BW5-7. The datasheet explicitly warns that using an external voltage source for the FLG pull-up before VIN reaches stable operating voltage risks damaging the internal open-drain FET. A 10 kΩ resistor to VIN is the only recommended configuration.
Is the SOT25 package of AP22814BW5-7 thermally enhanced, and how should it be mounted?
Yes, the SOT25 package includes an exposed thermal pad that must be soldered to a dedicated PCB copper pour connected to GND. This achieves the specified RθJA of 123 °C/W. Layout guidelines require short, wide traces to IN/OUT pins and placement of 1 μF (IN) and 0.1 μF + 100 μF (OUT) capacitors adjacent to their respective pins to minimize parasitic inductance and ensure stability.
AP22814BW5-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- SC-74A, SOT-753
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Type:
- USB Switch
- Number of Outputs:
- 1
- Ratio - Input:Output:
- 1:1
- Output Configuration:
- High Side
- Output Type:
- P-Channel
- Interface:
- On/Off
- Voltage - Load:
- 2.7V ~ 5.5V
- Voltage - Supply (Vcc/Vdd):
- Not Required
- Current - Output (Max):
- 3A
- Rds On (Typ):
- 50mOhm
- Input Type:
- Non-Inverting
- Features:
- Load Discharge, Status Flag
- Fault Protection:
- Current Limiting (Fixed), Over Temperature, UVLO
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-25
AP22814BW5-7 FAQ
1.How can I place an order for AP22814BW5-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP22814BW5-7 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 AP22814BW5-7 reliable?
The price and inventory of AP22814BW5-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP22814BW5-7 is usually 5 days.
3.What payment methods are accepted for AP22814BW5-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP22814BW5-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP22814BW5-7?
AP22814BW5-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP22814BW5-7 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 AP22814BW5-7?
For technical support, including AP22814BW5-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP22814BW5-7 requirements.
6.How does Aetrix verify that AP22814BW5-7 is sourced from the original manufacturer or authorized distributors?
All AP22814BW5-7 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 AP22814BW5-7 meets industry standards.
7.What is the process for return or replacement of AP22814BW5-7?
All AP22814BW5-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP22814BW5-7, 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 AP22814BW5-7 part is unused and in its original packaging.
Return procedure for AP22814BW5-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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