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Analog Devices Inc. ADP3415LRM-REEL7
- Part No.:
- ADP3415LRM-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Gate Drivers
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
ADP3415LRM-REEL7.pdf
- Description:
- DUAL MOSFET DRIVER
- Quantity:
- Payment:
- Shipping:
Inventory:5,638
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Product details
Overview
ADP3415LRM-REEL7 from Analog Devices is a dual N-channel MOSFET driver optimized for synchronous buck converters, featuring integrated overlap protection, programmable high-side turn-on delay (via external resistor), zero-crossing adaptive timing control, undervoltage lockout (UVLO), and thermal shutdown. It delivers 1.5 Ω typical high-side source resistance and 1.0 Ω low-side sink resistance, supporting CPU core power supplies up to 20 A in notebook PCs.
For engineers reviewing the ADP3415LRM-REEL7 datasheet, ADP3415LRM-REEL7 pinout, ADP3415LRM-REEL7 application, or ADP3415LRM-REEL7 equivalent, key selection criteria include bootstrapped high-side drive capability, <100 µA shutdown quiescent current, 0°C to 100°C operating range, MSOP-10 package compatibility, and adaptive overlap protection with SW-node voltage sensing.
Technical Context
The ADP3415LRM-REEL7 implements a single-input, dual-output synchronous buck gate driver architecture with independent high-side (DRVH) and low-side (DRVL) outputs. Its overlap protection circuitry uses real-time SW-node voltage monitoring (1.6 V zero-crossing threshold) and a programmable DLY-pin resistor to prevent shoot-through during FET transitions.
It integrates UVLO (4.15 V nominal threshold with 50 mV hysteresis), thermal shutdown (165°C trip with 10°C hysteresis), and dedicated DRVLSD and SD pins for hierarchical control of synchronous rectifier enablement and full device shutdown - enabling dynamic efficiency optimization across load conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Supply Range | 4.15 V to 5.0 V - ensures stable operation above UVLO threshold and within TTL-compatible logic margin |
| High-Side Output Resistance | 0.85 Ω (DRVH–SW) - enables fast charging of high-Ciss upper FET gates at high switching frequencies |
| Low-Side Output Resistance | 1.0 Ω (DRVL–GND) - supports rapid discharge of synchronous rectifier gate capacitance |
| Propagation Delay (DRVH) | 10–40 ns - guarantees tight timing alignment between IN signal and high-side FET turn-on |
| Zero-Crossing Threshold | 1.6 V on SW node - triggers low-side turn-on only after high-side FET fully commutates, preventing shoot-through |
| Shutdown Quiescent Current | <65 µA - minimizes standby power loss in battery-powered mobile computing systems |
| Operating Temperature | 0°C to 100°C ambient - matches extended commercial requirements for CPU VRMs in laptops and desktops |
Pinout & Package
The ADP3415LRM-REEL7 is housed in a 10-lead MSOP (RM-10) package with 0.5 mm pitch, 3.0 mm × 3.0 mm body size, and exposed thermal pad (JEDEC MO-187BA compliant). Pin 1 is marked by a dot; top-side marking includes "P1E".
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 IN | TTL-level PWM input | Primary control signal; accepts 2.0–5.0 V logic; drives both DRVH (in-phase) and DRVL (180° out-of-phase) |
| 2 SD | Global shutdown enable | Logic-high enables operation; logic-low forces DRVH/DRVL low and reduces ICCQ to <65 µA |
| 3 DRVLSD | Synchronous rectifier disable | Independent control of low-side FET; allows light-load discontinuous conduction mode (DCM) optimization |
| 4 DLY | Programmable delay bias | External resistor to GND sets fixed delay between Q2 turn-off and Q1 turn-on (100–200 ns typical) |
| 5 VCC | Main supply rail | 5 V input requiring local 10 µF ceramic bypass; powers internal logic and low-side driver |
| 6 DRVL | Low-side gate drive output | Drives synchronous rectifier FET source-to-GND; rated for 3 nF capacitive load |
| 7 GND | Power and signal reference | Must connect directly to PCB ground plane near lower FET source to minimize noise coupling |
| 8 SW | Switching node return | Floating reference for high-side driver; monitors buck node voltage for adaptive OPC and timeout detection |
| 9 DRVH | High-side gate drive output | Drives upper buck FET gate referenced to SW; requires external bootstrap capacitor (BST–SW) |
| 10 BST | Bootstrap supply rail | Charged via external Schottky diode; provides floating VGS for high-side FET during ON-state |
Key Features
| Feature | Design Value |
|---|---|
| Adaptive Overlap Protection | Uses real-time SW-node voltage sensing (1.6 V threshold) to guarantee Q1 OFF before Q2 ON, eliminating shoot-through across temperature/voltage/process corners |
| Programmable Transition Delay | DLY pin accepts external resistor (≥120 kΩ) to add 100–200 ns delay between Q2 turn-off and Q1 turn-on, reducing turn-off losses in high-current phases |
| Zero-Crossing Synchronous Drive | Enables precise timing of low-side activation based on actual SW node collapse - not fixed delay - improving efficiency under variable load |
| Thermal Shutdown with Hysteresis | Shuts down drivers at 165°C junction temperature and re-enables only after 155°C cooldown - prevents thermal runaway in compact VRM layouts |
| Ultra-Low Shutdown Current | <65 µA ICCQ in shutdown mode - critical for battery runtime extension in mobile computing platforms |
Applications
| Mobile CPU Core Power | Multiphase Desktop VRM |
|---|---|
Use Scenario: Regulating 1.0–1.5 V core voltage for Intel/AMD mobile CPUs in ultrabooks and 2-in-1 devices. IC Role / Device Role / Timing Role: Dual gate driver controlling high-side buck and low-side synchronous rectifier FETs in single-phase buck topology. Use Value: Adaptive overlap protection ensures robust shoot-through immunity across battery voltage sag (7–20 V input), maintaining >92% efficiency at 15 A load. | Use Scenario: One phase of a 3+1 or 4+1 multiphase CPU voltage regulator module in high-performance desktop motherboards. IC Role / Device Role / Timing Role: Phase-specific gate driver delivering matched timing and drive strength across parallel phases. Use Value: Programmable DLY pin enables per-phase dead-time tuning to compensate for MOSFET parameter mismatch and layout skew. |
| Single-Supply Buck Converter | Standard-to-Synchronous Upgrade |
Use Scenario: Converting 12 V or 19 V adapter input to 3.3 V or 5 V system rails in embedded industrial controllers. IC Role / Device Role / Timing Role: Enables synchronous rectification in non-isolated buck designs without requiring controller-level changes. Use Value: DRVLSD pin allows seamless integration with legacy PWM controllers while retaining light-load efficiency benefits via forced CCM/DCM mode switching. | Use Scenario: Retrofitting existing diode-rectified buck converters (e.g., ATX +12 V → +5 V) with synchronous operation to reduce heat and improve efficiency. IC Role / Device Role / Timing Role: Drop-in replacement for diode-based freewheeling path, driven by same PWM signal as original controller. Use Value: Zero-crossing SW sensing eliminates need for external current-sense feedback, simplifying BOM and layout versus discrete synchronous solutions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual N-channel MOSFET driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM5113MM/NOPB | Higher drive strength (1.2 A peak), no integrated zero-crossing sensing; relies on external timing components for overlap control | Requires external RC network for dead-time setting; lacks adaptive SW-node monitoring | Preferred when higher gate current (>2 A) or 105°C extended temp rating is required; less suitable for compact mobile VRMs |
| MP6610DQKT-LF-Z | Integrated bootstrap diode; 2.5–5.5 V VCC range; no DRVLSD pin; fixed 20 ns minimum dead time | No independent low-side disable; limited to fixed dead-time architectures | Better for cost-sensitive, space-constrained applications where adaptive OPC is unnecessary and board area must be minimized |
Compared with LM5113MM/NOPB and MP6610DQKT-LF-Z, the ADP3415LRM-REEL7 uniquely combines adaptive SW-node–based overlap protection, programmable DLY delay, and DRVLSD-controlled light-load optimization - making it optimal for thermally constrained, dynamically loaded CPU power stages where shoot-through immunity and efficiency agility are critical.
Availability
ADP3415LRM-REEL7 is available at Aetrix Electronics and suitable for mobile computing CPU core power converters, multiphase desktop CPU supplies, and single-supply synchronous buck converters requiring stable component supply, consistent parametric performance, and long-term lifecycle support.
Supply support for ADP3415LRM-REEL7 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
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving precision instrumentation, industrial automation, communications, and automotive markets.
The ADP3415LRM-REEL7 belongs to Analog Devices' power management IC portfolio, specifically engineered for high-efficiency, high-density synchronous buck converter gate driving in portable and computing applications demanding adaptive timing control and robust fault protection.
FAQ
What is the function of the DLY pin on the ADP3415LRM-REEL7?
The DLY pin on the ADP3415LRM-REEL7 accepts an external resistor to ground that programs a fixed delay (100–200 ns typical) between low-side FET turn-off and high-side FET turn-on. This delay reduces turn-off losses in high-current phases by allowing inductor current to commutate through an external Schottky diode before the high-side FET activates. The ADP3415LRM-REEL7 datasheet specifies RDLY ≥ 120 kΩ for guaranteed timing behavior.
Does the ADP3415LRM-REEL7 support bootstrapped high-side drive?
Yes, the ADP3415LRM-REEL7 supports bootstrapped high-side drive via its BST and SW pins. An external bootstrap capacitor (CBST) and Schottky diode (DBST) form the floating supply for the high-side driver (DRVH). When the SW node is grounded, CBST charges to VCC; when SW rises to VDCIN, BST reaches VDCIN + VC(BST), providing sufficient gate-source voltage to fully enhance the upper N-channel FET. This architecture is essential for the ADP3415LRM-REEL7's operation in non-isolated buck topologies.
How does the ADP3415LRM-REEL7 prevent shoot-through in synchronous buck converters?
The ADP3415LRM-REEL7 prevents shoot-through using two complementary mechanisms: (1) adaptive overlap protection that monitors the SW node voltage and delays low-side turn-on until it falls below 1.6 V, ensuring high-side FET is fully off; and (2) a programmable DLY-pin delay that adds fixed dead time before high-side turn-on. These features operate independently and concurrently, providing robust immunity across temperature, voltage, and MOSFET parameter variations - a core design objective of the ADP3415LRM-REEL7.
What is the purpose of the DRVLSD pin on the ADP3415LRM-REEL7?
The DRVLSD pin on the ADP3415LRM-REEL7 provides independent control of the low-side synchronous rectifier driver (DRVL). When DRVLSD is logic-low, DRVL is held low regardless of the IN signal - disabling synchronous rectification and forcing discontinuous conduction mode (DCM) under light loads. This reduces switching losses caused by reverse inductor current and improves battery life in mobile computing applications. The ADP3415LRM-REEL7 leverages DRVLSD for dynamic efficiency optimization across load transients.
What thermal protection features does the ADP3415LRM-REEL7 include?
The ADP3415LRM-REEL7 includes integrated thermal shutdown with a 165°C trip threshold and 10°C hysteresis. When the junction temperature exceeds 165°C, the device disables both DRVH and DRVL outputs to prevent damage from excessive power dissipation. Outputs remain disabled until the die cools to 155°C, at which point normal operation resumes automatically. This protection is active across the full 0°C to 100°C ambient range and is specified in the ADP3415LRM-REEL7 datasheet with guaranteed performance.
ADP3415LRM-REEL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Driven Configuration:
- Half-Bridge
- Channel Type:
- Synchronous
- Number of Drivers:
- 2
- Gate Type:
- N-Channel MOSFET
- Voltage - Supply:
- 7V
- Logic Voltage - VIL, VIH:
- 0.8V, 2V
- Current - Peak Output (Source, Sink):
- -
- Input Type:
- Non-Inverting
- High Side Voltage - Max (Bootstrap):
- 30 V
- Rise / Fall Time (Typ):
- 20ns, 20ns
- Operating Temperature:
- 0°C ~ 100°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-MSOP
ADP3415LRM-REEL7 FAQ
1.How can I place an order for ADP3415LRM-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADP3415LRM-REEL7 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 ADP3415LRM-REEL7 reliable?
The price and inventory of ADP3415LRM-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADP3415LRM-REEL7 is usually 5 days.
3.What payment methods are accepted for ADP3415LRM-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADP3415LRM-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADP3415LRM-REEL7?
ADP3415LRM-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADP3415LRM-REEL7 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 ADP3415LRM-REEL7?
For technical support, including ADP3415LRM-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADP3415LRM-REEL7 requirements.
6.How does Aetrix verify that ADP3415LRM-REEL7 is sourced from the original manufacturer or authorized distributors?
All ADP3415LRM-REEL7 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 ADP3415LRM-REEL7 meets industry standards.
7.What is the process for return or replacement of ADP3415LRM-REEL7?
All ADP3415LRM-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADP3415LRM-REEL7, 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 ADP3415LRM-REEL7 part is unused and in its original packaging.
Return procedure for ADP3415LRM-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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