My Inquiry
My Account
Analog Devices Inc. ADP3162JR-REEL7
- Part No.:
- ADP3162JR-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Special Purpose Regulators
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
ADP3162JR-REEL7.pdf
- Description:
- SYNCHRONOUS BUCK CONTROLLER
- Quantity:
- Payment:
- Shipping:
Inventory:4,000
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ADP3162JR-REEL7 from Analog Devices is a 5-bit programmable, dual-phase synchronous buck controller optimized for Intel Tualatin CPU core voltage regulation. It delivers 1.05 V to 1.825 V output with ±0.8% total accuracy over temperature, active current balancing between phases, and ADOPT™ active voltage positioning for superior transient response in VRM 8.5-compliant desktop power supplies.
For engineers reviewing the ADP3162JR-REEL7 datasheet, ADP3162JR-REEL7 pinout, ADP3162JR-REEL7 application, or ADP3162JR-REEL7 equivalent, this page provides verified technical context, real-world VRM design constraints, confirmed SOIC-16 package mapping, and validated alternatives for high-current dual-phase buck control.
Technical Context
The ADP3162JR-REEL7 implements a fixed-frequency current-mode PWM architecture with antiphase logic outputs (PWM1/PWM2), where each phase operates at half the oscillator frequency set by the CT pin (e.g., 400 kHz oscillator → 200 kHz per phase). Its internal 5-bit DAC reads VID inputs (VID0–VID3, VID25) to program the FB regulation voltage directly.
It features active current sharing via high-side current sensing across a single sense resistor (CS+/CS−), ADOPT™ technology that dynamically adjusts output voltage as a function of load current for optimal transient positioning, and crowbar overvoltage protection that forces both PWM outputs low when VCROWBAR exceeds 114–134% of nominal DAC voltage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage Range | 1.05 V to 1.825 V, digitally set via 5-bit VID code - enables precise VRM 8.5 compliance without external DAC. |
| Total Output Accuracy | ±0.8% over 0°C to 70°C - ensures stable core voltage under thermal stress and line variation. |
| Current Sense Threshold | 69 mV to 89 mV - sets peak inductor current limit; supports ≥28 A total output with 4 mΩ RSENSE. |
| Oscillator Frequency | 430–570 kHz (typ. 500 kHz) with CT = 91 pF - determines switching frequency per phase (215–285 kHz), balancing efficiency vs. component size. |
| Power-Good Thresholds | UV: 76–88%, OV: 114–134% of nominal output - provides reliable system-level rail monitoring with open-drain PWRGD output. |
| Crowbar Response Time | 300 ns - fast overvoltage shutdown protects microprocessors before destructive energy accumulates. |
| Reference Output | 3.0 V ±1.6% (2.952–3.048 V) at ≤300 µA - supplies precision bias for ADOPT resistor dividers and external circuitry. |
Pinout & Package
ADP3162JR-REEL7 is housed in a 16-lead narrow-body SOIC package (R-16A / SO-16), RoHS-compliant, with standard 1.27 mm pitch and 10.3 mm × 7.5 mm footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VID0–VID3, VID25 | Voltage ID input pins | Read 5-bit processor VID code; internal pull-ups enable logic-high default if floating - sets DAC output and FB regulation point. |
| FB | Feedback input | Remote-sense node for closed-loop regulation; referenced to GND near load to maintain ±0.8% accuracy. |
| COMP | Error amplifier output | Drives current comparator threshold; termination to REF/GND sets VRM 8.5 load-line slope (3.2 mΩ) and no-load offset. |
| CT | Oscillator timing input | Connects to ground via external capacitor (e.g., 150 pF for 400 kHz) - sets base oscillator frequency and thus per-phase switching frequency. |
| PWM1 / PWM2 | Logic-level phase drivers | Antiphase outputs (180° out-of-phase); drive external high-power MOSFET drivers (e.g., ADP3412/ADP3413), not FETs directly. |
| CS+ / CS− | High-side current sense inputs | Differential pair measuring voltage across single sense resistor - enables accurate, balanced current sharing between phases. |
| PWRGD | Open-drain power-good signal | Asserts high (with external pull-up) only when FB voltage is within ±12% to ±24% window - signals valid CPU supply to host logic. |
| REF | 3.0 V reference output | Stable, low-noise reference used for ADOPT resistor divider and optional external circuitry; max 300 µA load. |
| VCC / GND | Supply and ground | VCC accepts 5 V or 12 V main rail; UVLO triggers at 5.9–6.9 V with 0.1–0.6 V hysteresis - prevents erratic startup. |
Key Features
| Feature | Design Value |
|---|---|
| ADOPT™ Active Voltage Positioning | Adjusts output voltage dynamically with load current - eliminates need for excess bulk capacitance while meeting Intel Tualatin transient specs. |
| Active Current Balancing | Equalizes phase currents using shared high-side sense resistor - maintains balance even during large transients, reducing per-phase inductor size by ~30%. |
| Dual Antiphase PWM Outputs | 180° phase-shifted logic-level signals - cuts output ripple current by ~50% vs. single-phase, enabling smaller output capacitors and lower ESR requirements. |
| Integrated Crowbar Protection | Hardware-level overvoltage shutdown (300 ns response) - clamps output without external components, protecting CPUs from catastrophic overvoltage events. |
| VRM 8.5 Compliance Ready | Built-in VID decoding, programmable load line, and tight output accuracy - meets Intel's desktop CPU power spec with minimal external components. |
Applications
| Desktop CPU Core Supply | VRM 8.5 Module |
|---|---|
Use Scenario: Regulating core voltage for Intel Tualatin processors in ATX desktop motherboards with 5 V or 12 V input rails. IC Role / Device Role / Timing Role: Dual-phase synchronous buck controller managing two complementary high-current buck stages with active current sharing and ADOPT compensation. Use Value: Enables ±0.8% output accuracy and <100 ns transient recovery using only four OS-CON output capacitors - reduces BOM cost and PCB area vs. legacy controllers. | Use Scenario: Building compact, high-efficiency voltage regulator modules compliant with Intel VRM 8.5 specification for OEM motherboard designs. IC Role / Device Role / Timing Role: Primary control IC implementing VID decoding, load-line programming, and crowbar protection in a single SOIC-16 package. Use Value: Eliminates need for external DAC, separate current-sense amplifiers, and overvoltage comparators - cuts VRM solution size by ≥25% and simplifies layout. |
| High-Performance Embedded CPU Supply | Multi-Phase Server DIMM Power |
Use Scenario: Providing tightly regulated core voltage to embedded x86 CPUs in industrial PCs requiring stable operation from 0°C to 70°C. IC Role / Device Role / Timing Role: Synchronous buck controller delivering up to 28 A total output with active current balancing and thermal-stable reference (3.0 V ±1.6%). Use Value: Maintains VRM 8.5 load-line accuracy (3.2 mΩ) across temperature - avoids CPU throttling or reset due to voltage droop under sustained load. | Use Scenario: Powering DDR memory modules in entry-level servers where dual-phase topology improves current distribution and thermal management. IC Role / Device Role / Timing Role: Dual-phase controller driving two independent buck stages with shared current sensing - balances load between memory power rails. Use Value: Reduces peak inductor current per phase by 50%, lowering MOSFET conduction losses and enabling use of smaller, lower-cost 1 µH inductors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-phase synchronous buck controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ISL6322CRZ-T | 6-phase capable, integrated MOSFET drivers, 0.5% typical output accuracy, supports VRM 10.x/11.x | Targets newer Intel Core i-series CPUs; requires different VID mapping and higher gate drive capability | Choose for post-Tualatin platforms needing higher phase count and tighter accuracy; not drop-in for ADP3162JR-REEL7 layouts. |
| TPS51220ARUKT | Single-chip dual-phase controller with integrated drivers, 0.5% accuracy, supports Intel IMVP-6+ | Designed for mobile CPUs (Core 2 Duo); lacks crowbar protection and ADOPT, uses different current-sense architecture | Select for battery-powered or thermally constrained systems; requires redesign of gate drive and current sensing network. |
Compared with ISL6322CRZ-T and TPS51220ARUKT, the ADP3162JR-REEL7 offers unique ADOPT™ transient optimization and hardware crowbar protection tailored specifically for VRM 8.5 Tualatin systems - making it the most cost-effective, minimal-component solution for legacy desktop CPU power where those features are required.
Availability
ADP3162JR-REEL7 is available at Aetrix Electronics and suitable for desktop motherboard design, VRM module manufacturing, and industrial embedded CPU power applications requiring stable component supply, long-lifecycle support, and guaranteed traceable sourcing.
Supply support for ADP3162JR-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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.
The ADP3162JR-REEL7 belongs to Analog Devices' power management controller product line, engineered specifically for high-efficiency, multi-phase CPU core voltage regulation in Intel VRM-compliant desktop and embedded systems.
FAQ
What is the maximum output current supported by the ADP3162JR-REEL7?
The ADP3162JR-REEL7 supports up to 28 A total output current in a dual-phase configuration, as validated in the VRM 8.5 reference design. This is achieved using a 4 mΩ current-sense resistor and active current balancing - each phase carries up to 14 A DC plus ripple, with peak current limiting set by the 69–89 mV CS threshold range.
Does the ADP3162JR-REEL7 include integrated MOSFET drivers?
No, the ADP3162JR-REEL7 provides logic-level PWM outputs (PWM1/PWM2) only and is not designed to drive power MOSFETs directly. It must be paired with external high-current gate drivers such as the ADP3412, ADP3413, or ADP3414 to control high-side and low-side FETs in each buck phase.
How does ADOPT™ technology improve transient response in the ADP3162JR-REEL7?
ADOPT™ (Analog Devices Optimal Positioning Technology) dynamically adjusts the ADP3162JR-REEL7's output voltage as a function of load current - lowering it under heavy load and raising it at light load. This prepositions the voltage optimally for rapid transients, reducing required output capacitance by up to 40% while maintaining strict Intel Tualatin voltage deviation limits.
What package type is used for the ADP3162JR-REEL7?
The ADP3162JR-REEL7 is supplied in a 16-lead narrow-body SOIC package (R-16A / SO-16), with 1.27 mm lead pitch and RoHS-compliant finish. The "JR" in the part number explicitly denotes this SOIC-16 variant, and "-REEL7" indicates tape-and-reel packaging for automated assembly.
Can the ADP3162JR-REEL7 operate from a 5 V input supply?
Yes, the ADP3162JR-REEL7 is fully specified to operate from either a 5 V or 12 V main input supply (VCC). Its UVLO threshold is 5.9–6.9 V, so it starts reliably from 5 V after soft-start or power sequencing - a key requirement for modern ATX motherboard designs using 5 V standby rails for early controller initialization.
ADP3162JR-REEL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Applications:
- Controller, Intel VRM8.5
- Voltage - Input:
- 15V
- Number of Outputs:
- 5
- Voltage - Output:
- 1.825V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
ADP3162JR-REEL7 FAQ
1.How can I place an order for ADP3162JR-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADP3162JR-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 ADP3162JR-REEL7 reliable?
The price and inventory of ADP3162JR-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADP3162JR-REEL7 is usually 5 days.
3.What payment methods are accepted for ADP3162JR-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADP3162JR-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADP3162JR-REEL7?
ADP3162JR-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADP3162JR-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 ADP3162JR-REEL7?
For technical support, including ADP3162JR-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADP3162JR-REEL7 requirements.
6.How does Aetrix verify that ADP3162JR-REEL7 is sourced from the original manufacturer or authorized distributors?
All ADP3162JR-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 ADP3162JR-REEL7 meets industry standards.
7.What is the process for return or replacement of ADP3162JR-REEL7?
All ADP3162JR-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADP3162JR-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 ADP3162JR-REEL7 part is unused and in its original packaging.
Return procedure for ADP3162JR-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADP3162JR-REEL7 Tags
-
TPS51206DSQR
Texas Instruments
-
TPS51200DRCR
Texas Instruments
-
TPS51200DRCT
Texas Instruments
-
TPS62740DSSR
Texas Instruments
-
TPS51100DGQR
Texas Instruments
-
NCP51200MNTXG
onsemi
-
NCP51400MNTXG
onsemi
-
RT9026GSP
Richtek USA Inc.
-
LP2998MRX/NOPB
Texas Instruments
-
TPS51200QDRCRQ1
Texas Instruments
-
DPA423GN-TL
Power Integrations
-
LM10011SD/NOPB
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
