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Diodes Incorporated AP22816AKBWT-7
- Part No.:
- AP22816AKBWT-7
- Manufacturer:
- Diodes Incorporated
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
AP22816AKBWT-7.pdf
- Description:
- USB POWER SWITCH TSOT25 T&R 3K
- Quantity:
- Payment:
- Shipping:
Inventory:1,147
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Product details
Overview
AP22816AKBWT-7 from Diodes Incorporated is a 1.0A single-channel high-side load switch optimized for USB power distribution and hot-swap applications. It features 75mΩ RDS(ON), 2.7V–5.5V input range, integrated output discharge, reverse-current blocking, and active-low enable logic in a TSOT25 package-used to control power sequencing in Ultrabook and SSD subsystems.
For engineers reviewing the AP22816AKBWT-7 datasheet, AP22816AKBWT-7 pinout, AP22816AKBWT-7 application, or AP22816AKBWT-7 equivalent, key selection criteria include its 6ms deglitch-enabled FLG fault reporting, 0.6ms typical rise time with soft-start, thermal shutdown at +150°C, and compliance with USB voltage and timing requirements.
Technical Context
The AP22816AKBWT-7 implements a thermally protected N-channel MOSFET high-side switch with bi-directional current sensing and UVLO (2.3V typ. turn-on, 180mV hysteresis). Its internal discharge FET activates on disable to drain output capacitance via 140–200Ω path, eliminating external components for controlled VOUT decay.
Overcurrent protection uses sense-FET architecture-not external resistors-enabling fast short-circuit response (<20µs tD(OFF)) and auto-recovery current limiting at 1.1–2.1A (typ. 1.5A). The open-drain FLG pin asserts low after 6ms blanking to suppress false triggers from capacitive inrush.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Continuous Output Current | 1.0A max-supports USB downstream port power delivery without derating at +85°C ambient. |
| RDS(ON) | 75mΩ typ. at 5V/25°C-minimizes conduction loss and self-heating in compact TSOT25 footprint. |
| Input Voltage Range | 2.7V to 5.5V-covers full USB 2.0/3.0 bus voltage tolerance and accommodates brown-out conditions. |
| Enable Logic Polarity | Active-low (KB variant)-directly interfaces with standard GPIOs without level-shifting or inverters. |
| FLG Blanking Time | 6ms typ.-suppresses false overcurrent flags during capacitor charging transients in hot-plug events. |
| Output Discharge Resistance | 140–200Ω-ensures VOUT decays to <0.5V within 0.4ms when disabled, preventing backfeed. |
| UVLO Threshold | 2.3V typ. rising, 2.12V falling-prevents erratic switching during power ramp-up or supply sag. |
Pinout & Package
AP22816AKBWT-7 is housed in a RoHS-compliant, lead-free TSOT25 (SOT-25) package with matte tin-plated leads solderable per MIL-STD-202 Method 208 (e3). Thermal resistance is 123°C/W (Junction-to-Ambient), enabling 1.0A operation without heatsinking in standard PCB layouts.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | GND | Power ground reference for internal circuitry and thermal dissipation path. |
| 2 | EN | Active-low enable input-driven low to activate switch; must not float; compatible with 1.5V–5.5V logic. |
| 3 | OUT | Switched output node-requires 0.1μF ceramic + ≥10μF bulk capacitor to GND for stability and short-circuit immunity. |
| 4 | IN | Input power rail-connect 1μF X7R/X5R ceramic bypass cap close to pin to suppress supply noise and ringing. |
| 5 | FLG | Open-drain fault flag-pulled low during overcurrent/overtemperature; requires external pull-up for system monitoring. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Output Discharge | 140–200Ω internal discharge path ensures VOUT drops below 0.5V in ≤0.4ms upon disable-eliminates need for external discharge FET/resistor. |
| Reverse-Voltage Protection | Triggers MOSFET shutdown when VOUT exceeds VIN by 35–105mV-prevents backfeed damage in multi-rail systems or hot-swap scenarios. |
| Auto-Recovery Overcurrent Limit | Clamps output at 1.1–2.1A (typ. 1.5A) during overload-maintains regulation without latch-off, enabling robust USB port recovery. |
| Thermal Shutdown with Hysteresis | Shuts down at +150°C junction temperature and re-enables only after cooling ~40°C-prevents thermal runaway under sustained short-circuit. |
| Soft-Start Rise Time | 0.6ms typical output voltage ramp-limits inrush current into large capacitive loads (e.g., 120μF SSD rails) without external RC networks. |
Applications
| Ultrabook Power Sequencing | USB Downstream Port Control |
|---|---|
|
Use Scenario: Managing power-up/down order of PCIe SSD, display, and USB-C controller rails in thin-client notebooks. IC Role / Device Role / Timing Role: High-side load switch controlling 5V rail delivery with precise 0.6ms soft-start and 6ms fault blanking to avoid false shutdowns during rail coupling. Use Value: Enables deterministic power sequencing without external timers or discrete MOSFETs, reducing BOM count and layout area. |
Use Scenario: Enabling/disabling individual USB 3.0 downstream ports in docking stations subject to hot-plug insertion and ESD stress. IC Role / Device Role / Timing Role: USB-compliant power switch providing reverse-current blocking, 2kV HBM ESD protection, and FLG fault reporting for host controller awareness. Use Value: Prevents backfeed into upstream VBUS during cable disconnect and reports overcurrent events to OS-level power management. |
| Solid-State Drive (SSD) Power Gate | Set-Top Box Peripheral Management |
|
Use Scenario: Isolating 3.3V/5V power domains for NAND flash and controller ICs in M.2 NVMe SSD modules. IC Role / Device Role / Timing Role: Load switch delivering 1.0A with 75mΩ RDS(ON) and integrated discharge to prevent residual VOUT from interfering with reset sequencing. Use Value: Eliminates risk of data corruption during hot removal by ensuring clean VOUT decay and preventing reverse current flow. |
Use Scenario: Controlling power to HDMI receiver, tuner, and Wi-Fi module in consumer set-top boxes with strict standby current limits. IC Role / Device Role / Timing Role: Low-quiescent-current (80µA enabled, 0.1µA disabled) high-side switch enabling rapid wake/sleep transitions with undervoltage lockout. Use Value: Reduces system standby power by >95% versus always-on LDOs while maintaining fast 1.5ms turn-on for responsive channel switching. |
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 |
|---|---|---|---|
| AP22816AW5T-7 | Same die, TSOT25 package, but active-high enable (A variant) and different tape-and-reel marking. | Requires inverted GPIO signal or level-shifter; identical electrical performance and protection features. | Select when system MCU outputs active-high enable signals natively-no hardware redesign needed beyond pin mapping. |
| TCK107AG,LF | 1.2A rated, 65mΩ RDS(ON), 1.8–6.0V input, no integrated discharge, 10ms FLG blanking. | Lacks output discharge and reverse-voltage protection; requires external resistor for VOUT decay; higher UVLO (2.5V). | Choose where lower RDS(ON) is critical and discharge function is handled externally-less suitable for USB hot-swap. |
Compared with AP22816AKBWT-7, the AP22816AW5T-7 offers identical protection and timing but simplifies interface with active-high controllers, while TCK107AG trades discharge/reverse-protection for marginally lower on-resistance-making it viable only in non-hot-swap, externally discharged designs.
Availability
AP22816AKBWT-7 is available at Aetrix Electronics and suitable for Ultrabook power sequencing, USB downstream port control, and SSD power gating requiring stable component supply across industrial, computing, and consumer electronics programs.
Supply support for AP22816AKBWT-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 AP22816/17/18 family targets USB-compliant hot-swap and power-distribution applications, emphasizing integrated protection, minimal external components, and compact packaging for space-constrained portable and embedded systems.
FAQ
What is the maximum continuous output current rating for AP22816AKBWT-7?
The AP22816AKBWT-7 is rated for 1.0A continuous output current at +25°C ambient. Derating applies above +85°C ambient per its 123°C/W thermal resistance; at +85°C, maximum sustainable current is approximately 0.85A with standard 2-layer FR-4 PCB layout and no forced airflow.
Does AP22816AKBWT-7 require external components for output discharge?
No. AP22816AKBWT-7 integrates an internal discharge FET with 140–200Ω on-resistance, enabling VOUT to decay to <0.5V within 0.4ms when disabled. No external resistor or FET is required-this is confirmed in the device's functional block diagram and "Discharge Function" application note section.
How does the FLG pin behave during a short-circuit event?
During a short-circuit, the FLG pin remains high for 6ms (typ.) due to built-in deglitching, then pulls low and stays low until both overcurrent and overtemperature conditions clear. It does not pulse or toggle-it provides latched fault status for host microcontroller polling or interrupt triggering.
Can AP22816AKBWT-7 be used in automotive applications?
AP22816AKBWT-7 is not AEC-Q100 qualified and is intended for commercial/industrial use only. Diodes Incorporated explicitly states that automotive-grade versions require separate qualification, PPAP capability, and IATF 16949 manufacturing-none of which apply to this TSOT25-packaged part.
AP22816AKBWT-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:
- P-Channel
- Interface:
- On/Off
- Voltage - Load:
- 2.7V ~ 5.5V
- Voltage - Supply (Vcc/Vdd):
- Not Required
- Current - Output (Max):
- 1A
- 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-23-5
AP22816AKBWT-7 FAQ
1.How can I place an order for AP22816AKBWT-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP22816AKBWT-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 AP22816AKBWT-7 reliable?
The price and inventory of AP22816AKBWT-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP22816AKBWT-7 is usually 5 days.
3.What payment methods are accepted for AP22816AKBWT-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP22816AKBWT-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP22816AKBWT-7?
AP22816AKBWT-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP22816AKBWT-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 AP22816AKBWT-7?
For technical support, including AP22816AKBWT-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP22816AKBWT-7 requirements.
6.How does Aetrix verify that AP22816AKBWT-7 is sourced from the original manufacturer or authorized distributors?
All AP22816AKBWT-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 AP22816AKBWT-7 meets industry standards.
7.What is the process for return or replacement of AP22816AKBWT-7?
All AP22816AKBWT-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP22816AKBWT-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 AP22816AKBWT-7 part is unused and in its original packaging.
Return procedure for AP22816AKBWT-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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