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Diodes Incorporated AP22817AKBWT-7
- Part No.:
- AP22817AKBWT-7
- Manufacturer:
- Diodes Incorporated
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
AP22817AKBWT-7.pdf
- Description:
- USBPOWERSWITCHTSOT25T&R3K
- Quantity:
- Payment:
- Shipping:
Inventory:2,541
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Product details
Overview
AP22817AKBWT-7 from Diodes Incorporated is a 1.5A single-channel high-side load switch optimized for USB and hot-swap applications, featuring 75mΩ RDS(ON), 2.7V–5.5V input range, integrated output discharge, reverse-current blocking, and active-low enable logic in a TSOT25 package.
For engineers reviewing the AP22817AKBWT-7 datasheet, AP22817AKBWT-7 pinout, AP22817AKBWT-7 application, or AP22817AKBWT-7 equivalent, key selection criteria include current-limit threshold (2.2A typ.), 6ms FLG deglitch timing, thermal shutdown at +150°C, and compatibility with heavy capacitive loads in portable power sequencing.
Technical Context
The AP22817AKBWT-7 integrates an N-channel MOSFET with precision current-sense FET architecture to deliver accurate overcurrent protection without external sensing resistors. Its UVLO circuit activates at 2.3V (rising) with 180mV hysteresis, ensuring reliable turn-on during hot-plug events.
It implements bidirectional reverse-voltage detection (trip point 35–105mV), fast short-circuit response (<20µs tD(OFF)), and thermally regulated auto-recovery shutdown with +40°C hysteresis-enabling robust operation under sustained overload without latch-off.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Current Rating | 1.5A continuous - supports USB 3.x and SSD power rail switching without derating at +85°C ambient. |
| RDS(ON) | 75mΩ max at 5VIN/25°C - limits conduction loss to <170mW at 1.5A, enabling compact thermal design. |
| Input Voltage Range | 2.7V to 5.5V - compatible with Li-ion battery, 3.3V, and 5V system rails without level-shifting. |
| Enable Logic Polarity | Active-low (KB variant) - directly interfaces with open-drain GPIOs or PMIC enable outputs without inverters. |
| FLG Blanking Time | 6ms typical - suppresses false fault reporting during inrush into 100μF+ capacitive loads. |
| Discharge Resistance | 140–200Ω - discharges 10μF output cap to <0.5V in ≤0.4ms, preventing backfeed during power-down. |
| UVLO Threshold | 2.3V rising / 2.12V falling - prevents erratic switching during brown-out or battery sag conditions. |
Pinout & Package
AP22817AKBWT-7 is housed in a 5-pin TSOT25 (SOT-25) package with e3 matte tin plating, 123°C/W θJA, and moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GND (Pin 1) | Power ground reference | Low-impedance return path for internal current sense and thermal sensing; must be connected to solid ground plane. |
| FLG (Pin 2) | Open-drain fault indicator | Asserts low after 6ms deglitch on overcurrent/overtemperature; requires external pull-up for system interrupt signaling. |
| OUT (Pin 3) | Switched output node | Drives load capacitance up to 470μF; requires 0.1μF ceramic + ≥10μF bulk capacitor per USB spec. |
| IN (Pin 4) | Input power supply connection | Accepts 2.7–5.5V; requires 1μF X7R ceramic bypass within 2mm of pin to suppress high-frequency noise. |
| EN (Pin 5) | Active-low enable control | Pulled low ≤0.5V to disable; high ≥1.5V to enable; floating state must be avoided to prevent unintended turn-on. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Output Discharge | 140–200Ω internal discharge path ensures rapid, controlled VOUT collapse during disable-eliminates need for external bleed resistor. |
| Reverse-Voltage Protection | Turns off MOSFET when VOUT exceeds VIN by ≥35mV for 2–15ms-prevents backfeed damage in multi-rail systems. |
| Auto-Recovery Overcurrent Limit | Clamps IOUT at 2.2A (typ.) during overload and recovers automatically once fault clears-no manual reset required. |
| Thermal Shutdown with Hysteresis | Shuts down at +150°C junction temperature and re-enables only after cooling to ~+110°C-avoids thermal oscillation during sustained overload. |
| Soft-Start Rise Time | 2.1ms typical (10–90%) into 10Ω load-limits inrush current to <2.5A, reducing stress on upstream regulators and connectors. |
Applications
| USB 3.x Port Power Switching | SSD Power Rail Sequencing |
|---|---|
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 5V bus power with reverse-current blocking and 6ms fault blanking. Use Value: Prevents backfeed into host controller during cable insertion and eliminates false overcurrent interrupts from 120μF port capacitance. | Use Scenario: Controlled power-up/down of SATA or NVMe SSD modules in thin client systems. IC Role / Device Role / Timing Role: Load switch enabling precise timing of 3.3V/5V rail activation with soft-start and discharge. Use Value: Ensures clean power ramp (2.1ms rise time) and full discharge (<0.4ms) between drive swaps-preventing data corruption. |
| Notebook System Power Management | Set-Top Box Peripheral Power Control |
Use Scenario: Independent power gating of Wi-Fi/BT modules and display backlight circuits. IC Role / Device Role / Timing Role: Single-channel distribution switch with undervoltage lockout and thermal monitoring. Use Value: UVLO (2.3V) prevents partial powering during battery depletion; +150°C thermal cutoff protects against fan-failure scenarios. | Use Scenario: Selective powering of HDMI CEC, IR receiver, or USB host ports in consumer STBs. IC Role / Device Role / Timing Role: Low-quiescent-current (80µA) load switch with active-low enable for PMIC coordination. Use Value: Enables deep-sleep mode with <1µA shutdown current while maintaining fast wake-up (<1.5ms turn-on delay). |
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 |
|---|---|---|---|
| AP22817AW-7 | Same electrical specs but active-high enable (KA variant); identical TSOT25 package and pinout. | Requires high-true logic control instead of open-drain or inverted signals. | Select when system GPIO drives EN high to enable-no level-shifter needed. |
| TPL7407LDR | 7-channel NMOS array (100mΩ RDS(ON), 0.5A/channel); no integrated discharge or reverse-voltage protection. | Suited for multi-rail parallel switching where discrete control per channel is preferred. | Choose for cost-sensitive designs needing multiple independent switches-not for USB-compliant single-rail protection. |
Compared with AP22817AW-7, the AP22817AKBWT-7 offers direct compatibility with open-drain enable sources; versus TPL7407LDR, it delivers superior protection integration (discharge, reverse-voltage, 6ms blanking) in a smaller footprint for single-rail USB/SSD use.
Availability
AP22817AKBWT-7 is available at Aetrix Electronics and suitable for USB 3.x port management, SSD power sequencing, and notebook subsystem power gating requiring stable component supply across industrial and consumer production cycles.
Supply support for AP22817AKBWT-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 power management, signal integrity, and protection solutions for high-volume electronics markets.
The AP22817 series belongs to Diodes' load switch product line, engineered specifically for USB-compliant hot-swap and capacitive-load power distribution in space-constrained portable devices.
FAQ
What is the maximum capacitive load the AP22817AKBWT-7 can safely drive?
The device is characterized for stable operation with up to 470μF output capacitance, provided 0.1μF ceramic and ≥10μF bulk capacitors are placed per layout guidelines. Exceeding this may extend rise time beyond 3.5ms or trigger false overcurrent reports if the 6ms deglitch window is insufficient.
Does the AP22817AKBWT-7 require external components for basic operation?
No external components are required for core functionality: the 6ms FLG deglitch, soft-start, discharge, and protection features are fully integrated. However, mandatory external capacitors include 1μF at IN and 0.1μF + ≥10μF at OUT to ensure stability, EMI suppression, and USB compliance.
How does the reverse-voltage protection behave during hot-swap events?
When VOUT exceeds VIN by ≥35mV for ≥2ms, the internal MOSFET turns off within 5–15ms. Upon removal of the reverse condition, the switch re-enables after a 100μs recovery delay-preventing backfeed damage during cable insertion or shared-bus scenarios.
Can the AP22817AKBWT-7 be used in automotive applications?
This variant is not AEC-Q100 qualified. Diodes offers automotive-grade versions (e.g., AP22817WQ-7) with PPAP support, IATF 16949 manufacturing, and extended temperature validation. For non-automotive industrial or consumer use, AP22817AKBWT-7 meets UL, CB Scheme, and RoHS requirements.
AP22817AKBWT-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- SOT-23-5 Thin, TSOT-23-5
- 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:
- N/P-Channel
- Interface:
- On/Off
- Voltage - Load:
- 2.7V ~ 5.5V
- Voltage - Supply (Vcc/Vdd):
- Not Required
- Current - Output (Max):
- 1.5A
- Rds On (Typ):
- 75mOhm
- Input Type:
- Non-Inverting
- Features:
- Load Discharge
- Fault Protection:
- Current Limiting (Fixed), Over Temperature, Reverse Current, Short Circuit, UVLO
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-25
AP22817AKBWT-7 FAQ
1.How can I place an order for AP22817AKBWT-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP22817AKBWT-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 AP22817AKBWT-7 reliable?
The price and inventory of AP22817AKBWT-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP22817AKBWT-7 is usually 5 days.
3.What payment methods are accepted for AP22817AKBWT-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP22817AKBWT-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP22817AKBWT-7?
AP22817AKBWT-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP22817AKBWT-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 AP22817AKBWT-7?
For technical support, including AP22817AKBWT-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP22817AKBWT-7 requirements.
6.How does Aetrix verify that AP22817AKBWT-7 is sourced from the original manufacturer or authorized distributors?
All AP22817AKBWT-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 AP22817AKBWT-7 meets industry standards.
7.What is the process for return or replacement of AP22817AKBWT-7?
All AP22817AKBWT-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP22817AKBWT-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 AP22817AKBWT-7 part is unused and in its original packaging.
Return procedure for AP22817AKBWT-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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