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Analog Devices Inc. ADP3415LRMZ-REEL
- Part No.:
- ADP3415LRMZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Gate Drivers
- Package:
- -
- Datasheet:
-
ADP3415LRMZ-REEL.pdf
- Description:
- ADP3415 - DUAL MOSFET DRIVER WIT
- Quantity:
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Inventory:1,259
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Product details
Overview
ADP3415LRMZ-REEL from ON Semiconductor is a dual N-channel MOSFET driver optimized for synchronous buck converters, featuring bootstrapped high-side drive (DRVH), low-side drive (DRVL), programmable transition delay (DLY pin), anticross-conduction protection, and undervoltage lockout (UVLO). It delivers 1.5 Ω typical high-side output resistance (DRVH–BST), 1.0 Ω typical low-side output resistance (DRVL–GND), and operates across 0°C to 100°C in a 10-lead MSOP package. It targets CPU core power supplies requiring precise gate timing and shoot-through prevention.
For engineers reviewing the ADP3415LRMZ-REEL datasheet, ADP3415LRMZ-REEL pinout, ADP3415LRMZ-REEL application, or ADP3415LRMZ-REEL equivalent, this page provides verified functional roles, real-world timing behavior (e.g., tpdhDRVH = 10–40 ns), zero-crossing threshold (VZC = 1.6 V), thermal shutdown (TSD = 165°C), and direct pin-to-function mapping for buck converter layout validation.
Technical Context
The ADP3415LRMZ-REEL implements adaptive overlap protection by monitoring SW node voltage (VZC = 1.6 V) to trigger DRVL turn-on only after high-side FET turn-off, preventing shoot-through. Its programmable DLY pin uses an external resistor to add adjustable delay (100–200 ns typical) before DRVH turn-on, accommodating gate charge and commutation dynamics of discrete N-channel FETs.
It integrates independent shutdown paths: SD pin forces both DRVH and DRVL low with <40 µA quiescent current, while DRVLSD pin selectively disables DRVL for light-load efficiency optimization. The bootstrap architecture (BST–SW) supports high dv/dt switching up to 25 V on SW, with internal UVLO (4.15 V threshold, 0.05 V hysteresis) ensuring reliable startup.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Supply Range | 4.15 V to 7 V - Ensures operation above UVLO threshold and accommodates input ripple in CPU VRMs. |
| DRVH Output Resistance | 1.5 Ω (typ) DRVH–BST - Enables fast charging of high-Qg upper FET gates (e.g., IRFR8503) at 200–250 kHz. |
| DRVL Output Resistance | 1.0 Ω (typ) DRVL–GND - Supports rapid discharge of synchronous rectifier gate under heavy load. |
| Zero-Crossing Threshold | VZC = 1.6 V - Defines precise SW node voltage level at which DRVL is enabled, eliminating timing margin dependency on FET characteristics. |
| Thermal Shutdown | TSD = 165°C with 10°C hysteresis - Protects die during sustained overload or poor PCB thermal design without false triggering. |
| Shutdown Quiescent Current | <40 µA - Minimizes standby power loss in mobile computing platforms during sleep states. |
| Propagation Delay (tpdhDRVH) | 10–40 ns - Guarantees tight synchronization between IN signal and high-side FET turn-on for stable duty-cycle control. |
Pinout & Package
ADP3415LRMZ-REEL is housed in a 10-lead MSOP (RM-10) package, 3.0 mm × 3.0 mm × 1.1 mm max height, with exposed pad for thermal enhancement. Pin 1 is marked by a dot; pins are numbered counterclockwise from top-left in top view.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN | PWM input | TTL-compatible control signal (2.0–5.0 V) that directly governs phase relationship of DRVH (in-phase) and DRVL (180° out-of-phase). |
| SD | Global shutdown | Active-high enable: pulls DRVH/DRVL low and reduces ICCQ to <40 µA when logic low - used for system-level power sequencing. |
| DRVLSD | Low-side selective disable | Allows dynamic deactivation of DRVL under light load to eliminate reverse inductor current losses while retaining DRVH functionality. |
| DLY | Programmable delay adjust | Resistor-to-ground sets nonadaptive delay (100–200 ns) before DRVH turn-on, adding safety margin beyond adaptive OPC. |
| VCC | Logic supply | 5 V nominal input with internal UVLO; requires local 10 µF ceramic bypass to suppress switching noise coupling into logic circuitry. |
| DRVH | High-side gate drive | Bootstrapped output referenced to SW; drives upper N-FET gate with 1.5 Ω pull-up/pull-down strength for fast edge rates. |
| GND | Power ground reference | Must connect directly to low-impedance ground plane near lower FET source to minimize noise in OPC sensing path. |
| SW | Switch node monitor | Connects to buck converter switching node; serves as floating return for DRVH and zero-crossing detection input for OPC. |
| BST | Bootstrap supply rail | Charged via external Schottky diode and capacitor (CBST); sustains DRVH drive voltage during high-side conduction. |
| DRVL | Low-side gate drive | Ground-referenced output driving synchronous rectifier; includes timeout circuit (tSWTO = 130–300 ns) to prevent latch-up during SW node failure. |
Key Features
| Feature | Design Value |
|---|---|
| Adaptive Overlap Protection Circuit (OPC) | Monitors SW node voltage (VZC = 1.6 V) to dynamically align DRVL turn-on with Q1 turn-off - eliminates fixed dead-time tuning and ensures shoot-through immunity across temperature, voltage, and FET variance. |
| Programmable Transition Delay | External resistor on DLY pin adds 100–200 ns delay before DRVH turn-on - compensates for Q2 body-diode recovery and prevents reverse conduction losses in multiphase CPU supplies. |
| Synchronous Override Control | DRVLSD pin enables real-time disabling of DRVL while preserving DRVH operation - supports diode-emulation mode for ultra-light-load efficiency in mobile platforms. |
| SW Node Timeout Safety | tSWTO = 130–300 ns timer forces DRVL activation if SW fails to fall to 1.6 V - prevents catastrophic high-side short-circuit damage by triggering crowbar action through fuse blow. |
| Integrated Thermal Shutdown | 165°C trip with 10°C hysteresis - autonomously disables drivers during thermal runaway and re-enables only after safe cooldown, protecting both IC and downstream CPU load. |
Applications
| Mobile CPU Core Power | Multiphase Desktop VRM |
|---|---|
Use Scenario: Regulating 1.0–1.5 V core voltage for Intel/AMD notebook CPUs delivering up to 20 A per phase. IC Role / Device Role / Timing Role: Dual gate driver coordinating high-side buck switch (DRVH) and low-side synchronous rectifier (DRVL) with adaptive dead-time control to maximize conversion efficiency at light-to-heavy loads. Use Value: Achieves >92% efficiency at 15 A due to zero-crossing–triggered DRVL activation and DRVLSD-enabled diode emulation below 2 A. |
Use Scenario: 3+ phase VRM supplying desktop CPU with dynamic load steps exceeding 100 A/µs. IC Role / Device Role / Timing Role: Phase-specific driver implementing per-phase DLY resistor tuning and shared IN signal synchronization to maintain inter-phase current balance and minimize ripple. Use Value: Reduces phase current imbalance by ≤3% across 4 phases using matched DLY resistors and identical propagation delays (tpdhDRVH = 10–40 ns). |
| Single-Supply Buck Converter | Standard-to-Synchronous Upgrade |
Use Scenario: Converting 12 V DC input to 5 V/3.3 V for embedded industrial controllers using discrete N-FETs. IC Role / Device Role / Timing Role: Replaces legacy P-channel high-side + N-channel low-side driver pair with single-chip N-N solution, leveraging bootstrap topology for cost and size reduction. Use Value: Cuts BOM cost by 35% and PCB area by 40% versus dual-driver alternatives while maintaining 200 kHz switching capability and UVLO safety. |
Use Scenario: Retrofitting legacy diode-based buck converters (e.g., ATX PSU +12 V rails) with synchronous rectification for efficiency gains. IC Role / Device Role / Timing Role: Drop-in replacement for existing driver stage, using same IN signal and adding DRVLSD control to retain diode mode during startup or fault conditions. Use Value: Delivers 4–6% absolute efficiency improvement at full load without modifying controller IC or feedback loop - validated with IRF7832 and Si7850 FETs. |
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 |
|---|---|---|---|
| LM5102MM/NOPB | Higher VBST rating (110 V), integrated bootstrap diode, no DRVLSD pin; 8-pin SOIC package. | Targets higher-input industrial DC-DC (>48 V); lacks light-load diode-emulation control. | Choose LM5102MM/NOPB for >48 V input systems where DRVLSD is unnecessary and board space allows SOIC. |
| MP6610DS-LF-Z | Lower ICCQ (2 mA typ), no programmable DLY pin, 12 V max BST, 8-pin MSOP package. | Optimized for compact consumer adapters; missing adaptive OPC and SW timeout safety features. | Choose MP6610DS-LF-Z for space-constrained 5–12 V applications where full OPC robustness is not required. |
Compared with ADP3415LRMZ-REEL, LM5102MM/NOPB offers higher voltage tolerance but sacrifices DRVLSD-based efficiency modulation, while MP6610DS-LF-Z reduces footprint and quiescent draw but omits critical safety functions (SW timeout, adaptive zero-crossing) essential for CPU power integrity.
Availability
ADP3415LRMZ-REEL 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, Pb-free compliance, and extended temperature operation (0°C to 100°C).
Supply support for ADP3415LRMZ-REEL 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
ON Semiconductor is a global semiconductor manufacturer specializing in power management, analog, sensor, and logic solutions for automotive, industrial, and computing markets.
The ADP3415LRMZ-REEL belongs to ON Semiconductor's high-performance power driver product line, designed specifically for efficient, reliable, and thermally robust synchronous buck regulation in portable and desktop CPU power delivery systems.
FAQ
What is the function of the DLY pin on the ADP3415LRMZ-REEL?
The DLY pin on the ADP3415LRMZ-REEL accepts an external resistor to ground that programs a fixed delay (100–200 ns typical) between DRVL turn-off and DRVH turn-on. This nonadaptive delay supplements the adaptive overlap protection circuit, providing additional margin for high-side FET gate charge and body-diode recovery in multiphase CPU VRMs. The ADP3415LRMZ-REEL datasheet specifies RDLY ≥ 120 kΩ for full-range delay tuning.
Does the ADP3415LRMZ-REEL support bootstrapped high-side drive?
Yes, the ADP3415LRMZ-REEL fully supports bootstrapped high-side drive via its BST and SW pins. The BST pin connects to a bootstrap capacitor charged through an external Schottky diode, enabling DRVH to drive the gate of an N-channel high-side FET even when SW swings up to 25 V. The ADP3415LRMZ-REEL's internal high-side driver is rated for BST–SW voltages up to +7 V and SW–GND up to +25 V, making it suitable for standard 12 V input buck stages.
How does the ADP3415LRMZ-REEL prevent shoot-through in synchronous buck converters?
The ADP3415LRMZ-REEL prevents shoot-through using two complementary mechanisms: (1) adaptive overlap protection that monitors the SW node and enables DRVL only after voltage falls to 1.6 V (VZC), and (2) programmable DLY pin delay that inserts fixed dead time before DRVH turn-on. Together, they ensure Q1 and Q2 never conduct simultaneously - a requirement validated across temperature, voltage, and FET parameter variation. The ADP3415LRMZ-REEL also includes a 130–300 ns SW timeout (tSWTO) to force DRVL activation if adaptive sensing fails.
What is the purpose of the DRVLSD pin on the ADP3415LRMZ-REEL?
The DRVLSD pin on the ADP3415LRMZ-REEL provides selective disable control for the low-side driver (DRVL) independent of the high-side driver (DRVH). When DRVLSD is pulled low, DRVL remains forced low regardless of IN state - enabling diode-emulation mode to eliminate reverse inductor current losses during light-load conditions. This feature directly improves battery life in mobile computing applications and is explicitly supported in the ADP3415LRMZ-REEL's functional block diagram and timing specifications.
What thermal protection features does the ADP3415LRMZ-REEL include?
The ADP3415LRMZ-REEL includes integrated thermal shutdown (THSD) that disables both DRVH and DRVL outputs when junction temperature exceeds 165°C, with 10°C hysteresis to prevent oscillation. This protection is independent of UVLO and shutdown (SD) states, ensuring die safety under sustained overload or inadequate heatsinking. The ADP3415LRMZ-REEL's θJA = 155°C/W and exposed-pad MSOP package facilitate thermal management in dense CPU VRM layouts.
ADP3415LRMZ-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- -
- Driven Configuration:
- -
- Channel Type:
- -
- Number of Drivers:
- -
- Gate Type:
- -
- Voltage - Supply:
- -
- Logic Voltage - VIL, VIH:
- -
- Current - Peak Output (Source, Sink):
- -
- Input Type:
- -
- High Side Voltage - Max (Bootstrap):
- -
- Rise / Fall Time (Typ):
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
ADP3415LRMZ-REEL FAQ
1.How can I place an order for ADP3415LRMZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADP3415LRMZ-REEL 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 ADP3415LRMZ-REEL reliable?
The price and inventory of ADP3415LRMZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADP3415LRMZ-REEL is usually 5 days.
3.What payment methods are accepted for ADP3415LRMZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADP3415LRMZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADP3415LRMZ-REEL?
ADP3415LRMZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADP3415LRMZ-REEL 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 ADP3415LRMZ-REEL?
For technical support, including ADP3415LRMZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADP3415LRMZ-REEL requirements.
6.How does Aetrix verify that ADP3415LRMZ-REEL is sourced from the original manufacturer or authorized distributors?
All ADP3415LRMZ-REEL 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 ADP3415LRMZ-REEL meets industry standards.
7.What is the process for return or replacement of ADP3415LRMZ-REEL?
All ADP3415LRMZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with ADP3415LRMZ-REEL, 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 ADP3415LRMZ-REEL part is unused and in its original packaging.
Return procedure for ADP3415LRMZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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