Diodes Incorporated AP2101MPG-13
- Part No.:
- AP2101MPG-13
- Manufacturer:
- Diodes Incorporated
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
AP2101MPG-13.pdf
- Description:
- IC PWR SWITCH P-CHAN 1:1 8MSOP
- Quantity:
- Payment:

- Shipping:

Inventory:14,342
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Product details
Overview
AP2101MPG-13 from Diodes Incorporated is a single-channel, active-low enable, high-side USB power switch with 2.45A current limiting, 90mΩ RDS(ON) at 5V, and integrated short-circuit/thermal protection. It operates from 2.7V–5.5V input, features 0.6ms typical rise time, 7ms FLG deglitch, and auto-discharge for hot-swap USB port control in consumer and computing systems.
For engineers reviewing the AP2101MPG-13 datasheet, AP2101MPG-13 pinout, AP2101MPG-13 application, or AP2101MPG-13 equivalent, key selection criteria include enable polarity (active-low), current-limit accuracy (±15% over temperature), thermal shutdown threshold (140°C), and SO-8 package compatibility with USB 2.0 compliance requirements.
Technical Context
The AP2101MPG-13 integrates a low-RDS(ON) N-channel MOSFET with precision current-sense FET architecture, enabling accurate 2.45A overload detection without external sensing resistors. Its UVLO circuit activates at 1.9V (typ) and disables below 1.6V to prevent erratic switching during brownout.
It implements dual-stage fault response: immediate current limiting upon over-current detection (5μs response), followed by thermal shutdown if sustained (140°C trip, 25°C hysteresis). The open-drain FLG output includes 7ms blanking to suppress false triggers from capacitive inrush.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Current Limit | 2.45A typical; clamps output current to protect downstream loads and upstream supply during overload |
| RDS(ON) | 90mΩ max at 25°C, 5V IN; minimizes conduction loss and self-heating under 2A continuous load |
| Input Voltage Range | 2.7V–5.5V; supports full USB 2.0 bus voltage tolerance and accommodates Li-ion battery-backed supplies |
| Enable Polarity | Active-low EN; compatible with standard USB host controller GPIOs asserting low to enable power delivery |
| FLG Blanking Time | 7ms typical; suppresses false fault reporting during capacitor charging transients without external RC networks |
| Shutdown Current | 1μA max; enables ultra-low-power standby in battery-powered portable devices |
| Thermal Shutdown | 140°C trip with 25°C hysteresis; provides autonomous recovery after fault removal without system intervention |
Pinout & Package
AP2101MPG-13 is packaged in SO-8 (Surface Mount, 8-pin Small Outline) with exposed pad not electrically connected-intended for thermal sinking only. Pin 8 (NC) must be tied to OUT per datasheet recommendation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GND (Pin 1) | Power ground reference | Primary return path for internal current sense and thermal sensor; must connect to low-impedance PCB ground plane |
| IN (Pins 2,3) | Input voltage supply | Dual pins internally paralleled; must be externally tied together to reduce trace inductance and improve transient immunity |
| EN (Pin 4) | Active-low enable control | Pulled low to activate switch; high-impedance input draws ≤1μA when disabled |
| FLG (Pin 5) | Open-drain fault indicator | Asserts low on over-current or thermal fault; requires external pull-up for logic-level interfacing |
| OUT (Pins 6,7) | Switched output | Dual pins internally paralleled; must be externally tied to distribute current and reduce bond-wire resistance |
| NC (Pin 8) | No internal connection | Not bonded; datasheet recommends tying to OUT to minimize EMI and improve thermal coupling |
Key Features
| Feature | Design Value |
|---|---|
| Auto-discharge function | 290Ω internal discharge path activated on disable; safely bleeds 120µF output caps in <500ms without external components |
| Reverse current blocking | Prevents backflow from VOUT to VIN when disabled; eliminates need for external blocking diode in bidirectional systems |
| Controlled rise/fall times | 0.6ms rise / 0.03ms fall (CL=1µF); limits inrush dI/dt to <100A/s, reducing EMI and connector arcing |
| ESD robustness | 4kV HBM / 300V MM; withstands handling and board-level ESD events without latch-up or parametric shift |
| Green packaging | Halogen- and antimony-free, lead-free SO-8; compliant with RoHS 2 and UL E322375 recognition |
Applications
| USB Host Port Protection | Laptop Docking Station Power Control |
|---|---|
Use Scenario: Protecting individual USB 2.0 downstream ports on a desktop motherboard against short circuits during peripheral hot-plug. IC Role / Device Role / Timing Role: High-side power switch enforcing current limit and reporting faults via FLG to USB controller. Use Value: Prevents bus-wide reset by isolating faulty peripherals; 7ms FLG blanking avoids false trips during 100µF port capacitor charge. | Use Scenario: Managing power delivery to USB-C expansion modules in ultrabook docking stations with mixed 5V/3.3V loads. IC Role / Device Role / Timing Role: Active-low controlled power gate enabling sequenced power-up of legacy USB peripherals. Use Value: 0.6ms rise time ensures smooth voltage ramp across multiple downstream devices; auto-discharge clears residual charge before re-enabling. |
| Smartphone Charging Hub | Set-Top Box USB Peripheral Interface |
Use Scenario: Providing independent current-limited power to dual USB-A ports on a compact travel charging hub powered by 5V USB-PD input. IC Role / Device Role / Timing Role: Single-channel switch delivering up to 2.0A continuous per port with thermal foldback under sustained load. Use Value: 90mΩ RDS(ON) keeps junction temperature rise below 40°C at 2A ambient (θJA=110°C/W), eliminating need for heatsinking. | Use Scenario: Isolating USB peripherals (keyboard, storage) from main STB SoC power rail during firmware updates or thermal throttling events. IC Role / Device Role / Timing Role: Fault-reporting power gate controlled by STB microcontroller GPIO with UVLO hold-off during cold start. Use Value: Under-voltage lockout prevents partial enable at <1.9V, ensuring clean power sequencing; FLG alerts host of over-temp conditions before shutdown. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side USB power switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TUSB2036IPW | Integrated USB 2.0 hub controller + power switches; 3-port, 500mA per port, no FLG output | Requires full hub functionality-not suitable for discrete power gating only | Select only when needing embedded hub logic; lacks AP2101MPG-13's 2.45A rating and fault reporting |
| TPS2051BDBVR | 2.3A current limit, 110mΩ RDS(ON), active-high EN, 10ms FLG blanking | Compatible pinout but different enable polarity and longer blanking time affects inrush tolerance | Valid drop-in for active-high systems; verify FLG timing alignment with host interrupt latency |
Compared with TUSB2036IPW and TPS2051BDBVR, AP2101MPG-13 offers higher current capacity (2.45A vs 0.5A/2.3A), precise active-low control matching USB host GPIO conventions, and tighter 7ms FLG blanking optimized for 100µF–120µF USB port capacitance.
Availability
AP2101MPG-13 is available at Aetrix Electronics and suitable for USB 2.0 port protection, laptop docking station power management, and set-top box peripheral isolation requiring stable component supply and long-term industrial lifecycle support.
Supply support for AP2101MPG-13 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 consumer, computing, and industrial markets.
The AP2101/AP2111 product line delivers USB-compliant high-side power switches with integrated fault protection and auto-discharge, designed specifically for hot-swap power gating in space-constrained USB host and hub applications.
FAQ
What is the maximum continuous load current supported by AP2101MPG-13?
The AP2101MPG-13 supports 2.0A maximum continuous load current per the datasheet's Recommended Operating Conditions. This rating accounts for thermal derating at 85°C ambient and ensures reliable operation within SO-8 package thermal limits (θJA = 110°C/W). Exceeding 2.0A risks triggering thermal shutdown under sustained load.
Does AP2101MPG-13 require external components for basic USB port protection?
No external components are required for core USB port protection. The device integrates current limiting, thermal shutdown, UVLO, auto-discharge (290Ω internal resistor), and 7ms FLG deglitch. Only a 0.1µF ceramic bypass capacitor between IN and GND is recommended for stability; output bulk capacitance (≥10µF) is application-dependent.
How does the FLG output behave during a short-circuit event?
Upon short-circuit detection, the FLG pin transitions low after a nominal 7ms deglitch period and remains low until both over-current and over-temperature conditions are cleared. During sustained short-circuit, FLG stays asserted while the device cycles thermally (140°C trip, 115°C recovery), providing unambiguous fault signaling to the host controller without false triggers from inrush.
Can AP2101MPG-13 be used with 3.3V input supplies?
Yes-AP2101MPG-13 operates across 2.7V–5.5V input range. At 3.3V, RDS(ON) increases to 140mΩ (max) and current limit drops slightly (~2.3A), but all protections (UVLO, thermal, FLG) remain fully functional. Ensure EN logic thresholds (VIL ≤0.8V, VIH ≥2V) are met by the 3.3V control signal.
AP2101MPG-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- 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):
- 2A
- Rds On (Typ):
- 90mOhm
- Input Type:
- Non-Inverting
- Features:
- Load Discharge, Status Flag
- Fault Protection:
- Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
- Operating Temperature:
- -35°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP-EP
AP2101MPG-13 FAQ
1.How can I place an order for AP2101MPG-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP2101MPG-13 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 AP2101MPG-13 reliable?
The price and inventory of AP2101MPG-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP2101MPG-13 is usually 5 days.
3.What payment methods are accepted for AP2101MPG-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP2101MPG-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP2101MPG-13?
AP2101MPG-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP2101MPG-13 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 AP2101MPG-13?
For technical support, including AP2101MPG-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP2101MPG-13 requirements.
6.How does Aetrix verify that AP2101MPG-13 is sourced from the original manufacturer or authorized distributors?
All AP2101MPG-13 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 AP2101MPG-13 meets industry standards.
7.What is the process for return or replacement of AP2101MPG-13?
All AP2101MPG-13 units undergo pre-shipment inspection (PSI). If there is an issue with AP2101MPG-13, 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 AP2101MPG-13 part is unused and in its original packaging.
Return procedure for AP2101MPG-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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