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Monolithic Power Systems Inc. MP62340DS-LF-P
- Part No.:
- MP62340DS-LF-P
- Manufacturer:
- Monolithic Power Systems Inc.
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MP62340DS-LF-P.pdf
- Description:
- 3.3V/5V,DUAL-CHANNEL 1A CURRENT-
- Quantity:
- Payment:
- Shipping:
Inventory:1,256
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Product details
Overview
MP62340DS-LF-P from Monolithic Power Systems is a dual-channel, active-low enable, current-limited power distribution switch with 1A continuous per channel, 80mΩ RDS(on), and integrated thermal shutdown and under-voltage lockout. It operates from 2.7V to 5.5V input and delivers precise current limiting (1.5A typical short-circuit trip) for USB power distribution and hot-swap applications in notebook PCs and telecom systems.
For engineers reviewing the MP62340DS-LF-P datasheet, MP62340DS-LF-P pinout, MP62340DS-LF-P application, or MP62340DS-LF-P equivalent, key selection factors include its SOIC8 package with exposed-pad thermal performance, dual independent enable/flag signaling, reverse current blocking, and 8ms deglitched fault reporting-critical for reliable load switching in space-constrained embedded power rails.
Technical Context
The MP62340DS-LF-P integrates two independent N-channel MOSFET power switches with matched current-limit circuitry, each featuring internal current-sense amplifiers, charge-pump gate drivers, and thermal sensing. Its UVLO triggers at 2.65V (rising edge) with 250mV hysteresis, ensuring clean startup across wide input ranges.
Each channel implements constant-current limiting upon overcurrent detection, followed by thermal shutdown at 140°C (20°C hysteresis). The open-drain FLAG pins report faults after an 8ms deglitch window-eliminating false triggers during inrush or transient events without external RC filtering.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Continuous Current | 1A per channel-supports sustained USB peripheral loads without derating at +25°C ambient. |
| Current Limit Trip | 1.5A typical-limits peak fault current to protect downstream circuitry during short circuits. |
| RDS(on) | 80mΩ max at 100mA-minimizes voltage drop and power loss in 3.3V/5V distribution paths. |
| Supply Current | 140μA typical (both channels enabled)-enables low-quiescent-power always-on system monitoring. |
| FLAG Deglitch Time | 8ms-suppresses false fault assertions during capacitive load turn-on or ESD transients. |
| Thermal Shutdown | 140°C junction-shuts off output before silicon damage; auto-recovers below ~120°C. |
| Input Voltage Range | 2.7V–5.5V-covers Li-ion battery, 3.3V logic, and 5V USB bus operation without external regulators. |
Pinout & Package
MP62340DS-LF-P is housed in an 8-pin SOIC package (no exposed pad), optimized for PCB thermal relief via standard copper pour on GND-connected pads. Pin 1 is marked with a notch or circle; leads are gull-wing, 0.050" pitch.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | GND | Power ground reference and thermal return path-must connect to solid PCB ground plane. |
| 2 | IN | Main power input (2.7V–5.5V); requires ≥10μF bulk capacitance for stability and transient immunity. |
| 3 | EN1* | Active-low enable for Channel 1-logic low (≤0.8V) activates OUT1; high-impedance when disabled. |
| 4 | EN2* | Active-low enable for Channel 2-independent control allows staggered or selective load powering. |
| 5 | FLAG2 | Open-drain fault flag for Channel 2-pulled low after 8ms deglitch upon overcurrent or thermal event. |
| 6 | OUT2 | Switched output for Channel 2-delivers current-limited power to load; blocks reverse current. |
| 7 | OUT1 | Switched output for Channel 1-electrically isolated from OUT2; supports independent load management. |
| 8 | FLAG1 | Open-drain fault flag for Channel 1-provides real-time status without external pull-up dependency. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent current limiting | Each channel limits to 1.5A typical-prevents cascading failures in multi-rail systems. |
| Reverse current blocking | Prevents backflow from powered loads into IN rail-essential for USB OTG and battery-backed systems. |
| No FLAG glitch at power-up | Eliminates false fault reporting during supply ramp-removes need for external POR circuitry. |
| Under-voltage lockout | Disables outputs below 1.95V-avoids erratic switching and MOSFET stress during brownout conditions. |
| Thermal shutdown with hysteresis | Auto-recovery at ~120°C-enables self-resetting protection without manual intervention or reset lines. |
Applications
| USB Power Distribution | Notebook PC Load Switching |
|---|---|
|
Use Scenario: Providing individually controlled 5V power to USB Type-A ports with overcurrent protection. IC Role / Device Role / Timing Role: Dual-channel power switch managing VBUS delivery and fault reporting per port. Use Value: Enables hot-plug compliance and prevents host controller damage during cable shorts or faulty peripherals. |
Use Scenario: Isolating auxiliary rails (e.g., SSD, WWAN, HDMI) in portable computing platforms. IC Role / Device Role / Timing Role: Load switch with independent EN/FLAG per subsystem for sequenced power-up and diagnostics. Use Value: Reduces standby leakage and enables firmware-controlled power gating without discrete FETs and sense resistors. |
| Telecom Line Card Protection | PC Card Hot Swap |
|
Use Scenario: Safeguarding FPGA I/O banks and PHY interfaces on carrier-grade line cards against field-induced surges. IC Role / Device Role / Timing Role: Current-limited distribution switch acting as first-line defense before LDOs or DC-DC converters. Use Value: Limits fault energy to <100mJ during short events-preserving signal integrity and avoiding board-level resets. |
Use Scenario: Enabling safe insertion/removal of PCMCIA cards in industrial controllers and test equipment. IC Role / Device Role / Timing Role: Dual-switch IC controlling card VCC and VPP rails with coordinated enable and fault signaling. Use Value: Meets PCMCIA 2.1 hot-swap timing requirements while eliminating external current-sense and protection ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel current-limited power switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPL92012RGER | 1.2A per channel, 65mΩ RDS(on), active-high EN only, no reverse current blocking. | Lacks reverse blocking and dual EN polarity-requires external diode for backfeed prevention in bidirectional systems. | Preferred where lower RDS(on) and higher current margin outweigh missing features. |
| TPS22965DRLR | 2A per channel, 36mΩ RDS(on), single enable, no FLAG outputs, no thermal shutdown. | No fault reporting or thermal protection-requires external monitoring circuitry for safety-critical loads. | Suitable for non-fault-tolerant, high-efficiency point-of-load switching where simplicity is prioritized. |
Compared with MP62340DS-LF-P, TPL92012RGER offers tighter current matching but omits reverse blocking, while TPS22965DRLR delivers lower conduction loss but removes critical protection features-making MP62340DS-LF-P optimal for robust, self-contained dual-rail protection.
Availability
MP62340DS-LF-P is available at Aetrix Electronics and suitable for USB power distribution, notebook PC load switching, and telecom line card protection requiring stable component supply, RoHS-compliant packaging, and long-term lifecycle support.
Supply support for MP62340DS-LF-P 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
Monolithic Power Systems (MPS) is a fabless semiconductor company specializing in high-performance analog and mixed-signal ICs for power management, motion control, and automotive applications.
The MP62340/MP62341 product line targets compact, intelligent power distribution in portable and infrastructure equipment-designed to replace discrete FET+controller solutions with integrated protection, diagnostics, and thermal resilience.
FAQ
What is the maximum allowable input voltage for MP62340DS-LF-P?
The absolute maximum input voltage is +6.0V, but the recommended operating range is 2.7V to 5.5V. Exceeding 6.0V risks permanent damage to internal MOSFETs and protection circuitry, as specified in the Absolute Maximum Ratings table.
Does MP62340DS-LF-P support reverse current blocking in both directions?
It blocks reverse current from OUT to IN only-verified by 0.2μA leakage at VOUT=5.5V and VIN=GND. It does not block current from IN to OUT when disabled; that path remains open via internal body diode unless external components are added.
How does the 8ms FLAG deglitch time affect system response to short circuits?
The 8ms deglitch ensures FLAG asserts only after sustained overcurrent-ignoring sub-8ms transients like capacitor inrush or ESD spikes. This prevents spurious interrupts while still detecting genuine faults within 10–15ms, balancing responsiveness and reliability.
Can MP62340DS-LF-P be used with 3.3V logic-level microcontrollers?
Yes. Its EN inputs accept TTL/CMOS logic levels: EN low ≤0.8V (valid disable), EN high ≥2.0V (valid enable). With 3.3V GPIO, the high-state margin exceeds 1.3V, ensuring noise-immune activation without level-shifting.
What thermal derating applies when using MP62340DS-LF-P in SOIC8 without forced airflow?
In still air, SOIC8's θJA is 90°C/W. At 85°C ambient and 1A load (0.08Ω × 1A² = 80mW), junction rise is 7.2°C-well below 125°C max. Full 1A per channel is sustainable up to +110°C ambient before thermal shutdown engages.
Is the FLAG pin compatible with 3.3V microcontroller interrupt inputs?
Yes. FLAG is open-drain with 0.4V max low-level voltage at 5mA sink, and 1μA leakage when high. A 10kΩ pull-up to 3.3V yields ~0.0033V drop-ensuring clean 0V/3.3V logic levels compatible with standard GPIO interrupt pins.
MP62340DS-LF-P Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- MP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Type:
- General Purpose
- Number of Outputs:
- 2
- Ratio - Input:Output:
- 1:2
- 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):
- 1A
- Rds On (Typ):
- 80mOhm
- Input Type:
- Non-Inverting
- Features:
- Status Flag
- Fault Protection:
- Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MP62340DS-LF-P FAQ
1.How can I place an order for MP62340DS-LF-P through Aetrix?
Please submit a Request for Quotation (RFQ) for MP62340DS-LF-P 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 MP62340DS-LF-P reliable?
The price and inventory of MP62340DS-LF-P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MP62340DS-LF-P is usually 5 days.
3.What payment methods are accepted for MP62340DS-LF-P?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MP62340DS-LF-P transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MP62340DS-LF-P?
MP62340DS-LF-P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MP62340DS-LF-P 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 MP62340DS-LF-P?
For technical support, including MP62340DS-LF-P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MP62340DS-LF-P requirements.
6.How does Aetrix verify that MP62340DS-LF-P is sourced from the original manufacturer or authorized distributors?
All MP62340DS-LF-P 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 MP62340DS-LF-P meets industry standards.
7.What is the process for return or replacement of MP62340DS-LF-P?
All MP62340DS-LF-P units undergo pre-shipment inspection (PSI). If there is an issue with MP62340DS-LF-P, 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 MP62340DS-LF-P part is unused and in its original packaging.
Return procedure for MP62340DS-LF-P:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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