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Analog Devices Inc. ADP3203JRU-1.0-RL7
- Part No.:
- ADP3203JRU-1.0-RL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Special Purpose Regulators
- Package:
- 28-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
ADP3203JRU-1.0-RL7.pdf
- Description:
- 2-PHASE IMVP CORE CONTROLLER
- Quantity:
- Payment:
- Shipping:
Inventory:3,000
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Product details
Overview
ADP3203JRU-1.0-RL7 from Analog Devices is a 2-phase IMVP-II/III core voltage controller for mobile CPUs, delivering 1.0 V output via 5-bit VID programming, featuring hysteretic peak-current control, ADOPT™-enhanced transient response, and synchronous rectifier control for battery life extension in notebook power supplies.
For engineers reviewing the ADP3203JRU-1.0-RL7 datasheet, ADP3203JRU-1.0-RL7 pinout, ADP3203JRU-1.0-RL7 application, or ADP3203JRU-1.0-RL7 equivalent, this controller supports dynamic VID transitions, dual-phase current sharing, deep-sleep/battery-optimized voltage shifting, and integrated overvoltage/reverse-voltage protection - critical for IMVP-compliant CPU core regulation.
Technical Context
The ADP3203JRU-1.0-RL7 implements a proprietary hysteretic peak-current control architecture with off-time averaging across two phases to eliminate systematic offset; it uses bidirectional current switching at HYSSET to set regulation hysteresis and multiplexes CS+ between channels for accurate current sensing without amplifiers.
It integrates three programmable voltage shifts - BOM (Battery Optimized Mode), DPSLP (Deep Sleep), and DPRSLP (Deeper Sleep) - each sourced from VID reference and controlled by external resistors on BSHIFT, DSHIFT, and HYSSET pins, enabling precise load-line positioning per IMVP-II/III specifications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 1.0 V nominal, set by VID code 10001 per Table I; ±0.85% accuracy over 0°C–85°C for 0.85–1.75 V range |
| Control Architecture | Hysteretic peak-current mode with off-time averaging; enables fast transient response and eliminates need for loop compensation |
| Phase Configuration | PIN-selectable 1- or 2-phase operation; CS2 tied to VCC disables second phase |
| VID Interface | 5-bit CMOS inputs (VID0–VID4); internal pull-up ensures default high; latch clocked by BOM edge for glitch-free updates |
| Protection Features | 2-level OVP (2.0 V) and RVP (−0.3 V) on COREFB; hiccup-mode OCP; noise-blanked PWRGD with 3–100 µs masking |
| Supply & Quiescent Current | 9 mA typical normal supply current; 10 µA shutdown current; UVLO thresholds at 2.95 V (rising), 2.65 V (falling) |
| Package | TSSOP-28, RoHS-compliant, 0°C to 100°C operating ambient temperature |
Pinout & Package
TSSOP-28 package with exposed pad; 0.65 mm pitch; JEDEC MO-153 compliant; thermal resistance θJA = 98°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 HYSSET | Analog I/O | Programs hysteretic current for both core comparator and current limit; sets regulation hysteresis and OCP threshold via external resistor to GND |
| 2 DSHIFT | Analog I/O | Sets downward voltage shift during Deep Sleep Mode; current sourced scales with VID reference for fixed-percentage offset |
| 3 BSHIFT | Analog I/O | Sets downward voltage shift during Battery Optimized Mode; same VID-referenced scaling as DSHIFT |
| 4–8 VID[4:0] | Digital Inputs | 5-bit voltage identification code; latched on BOM edge to prevent glitches during dynamic VID changes |
| 9 BOM | Digital Input | Active-low GMUXSEL signal; enables BOM voltage shift and initiates PWRGD blanking during mode transitions |
| 10 DPSLP | Digital Input | Active-low STP_CPU signal; enables deep sleep shift and dominates over BOM when asserted |
| 11 DPRSLP | Digital Input | Active-high DPRSLPVR signal; disables all shifts and forces internal deeper-sleep VID code |
| 12 PWRGD | Open-drain Output | Indicates COREFB within ±2% of VID-set voltage; blanked during BOM/DPRSLP transitions to avoid false faults |
| 13 SD | Digital Input | Active-low shutdown; reduces ICC to 10 µA; disables all outputs and drivers |
| 14 CLAMP | Open-drain Output | Asserts on OVP/RVP detection; redundant path protects CPU even after hard failure; requires external pull-up to V5_ALWAYS |
| 15 DRVLSD | Digital Output | Drives low-side FET disable during light-load conditions; synchronized with DPRSLP for efficiency optimization |
| 16 SS | Analog I/O | Charges/discharges external capacitor to set soft-start ramp time and hiccup cycle duration under overload |
| 17 COREFB | Analog Input | High-Z feedback node; monitors regulated output; RC-filtering recommended to suppress switching noise |
| 18 DACOUT | Analog Output | VID-programmed reference voltage; drives external summing network at REG pin to establish load line |
| 19 GND | Ground | Signal and power ground reference; separate Kelvin connection recommended for CS– and CS+/CS1/CS2 |
| 20 OUT1 | Digital Output | Drives IN pin of ADP3415 Channel 1; controls top/bottom MOSFET switching for Phase 1 |
| 21 OUT2 | Digital Output | Drives IN pin of ADP3415 Channel 2; active only in 2-phase mode; static low when CS2 = VCC |
| 22 CS1 | Analog Input | Current sense input for Phase 1; connected to low-side of Phase 1 sense resistor |
| 23 CS2 | Analog Input | Current sense input for Phase 2; tie to VCC to force single-phase operation |
| 24 VCC | Power Supply | 3.3 V system rail input; powers internal bias and logic; UVLO protection active below 2.65 V |
| 25 RAMP | Analog Input | Summing node for regulation ramp; receives hysteresis, BOM, and DPSLP currents; external R sets hysteresis magnitude |
| 26 REG | Analog Input | Summing point for DACOUT and COREFB; enables ADOPT™-based load-line tuning and transient optimization |
| 27 CS+ | Analog Input | Multiplexed current sense positive input; samples CS1/CS2 during respective channel ON-time; averages during common OFF-time |
| 28 CS– | Analog Input | Current limit negative sense; sources 3× HYSSET current into sense resistor to set OCP threshold with hysteresis |
Key Features
| Feature | Design Value |
|---|---|
| ADOPT™ Optimal Positioning Technology | Enables precise load-line regulation using minimal output capacitance by controlling ripple current instead of ripple voltage |
| Dynamic VID Transition Support | High-speed operation minimizes inductor size and enables fastest possible current slew rate during on-the-fly VID changes |
| Noise-Blanked Power Good | 3–100 µs PWRGD masking window prevents false fault assertions during BOM/DPRSLP mode transitions |
| Synchronous Rectifier Control | DRVLSD output disables low-side FET during light loads, reducing conduction losses and extending battery runtime |
| Three-Level Operating Mode Shifting | Independent BOM, DPSLP, and DPRSLP pins enable VID-referenced voltage offsets for performance, battery, and deep-sleep modes |
| Redundant Overvoltage Protection | Dual-path CLAMP output with independent reference and feedback ensures CPU protection even after catastrophic FET failure |
Applications
| Mobile CPU Core Regulation | Notebook/Laptop VRM |
|---|---|
Use Scenario: Regulating core voltage for Intel Pentium III-M or compatible IMVP-II/III mobile processors during dynamic frequency and voltage scaling. IC Role / Device Role / Timing Role: Primary core controller managing 2-phase buck conversion, VID decoding, load-line positioning, and mode-based voltage shifting. Use Value: Enables sub-100 ns VID transition response and <±2% output regulation tolerance required by IMVP-III spec. |
Use Scenario: Powering CPU cores in ultra-thin notebooks where thermal headroom and battery life are constrained. IC Role / Device Role / Timing Role: Dual-phase controller interfacing with ADP3415 drivers to drive high-efficiency synchronous buck stages. Use Value: Synchronous rectifier control via DRVLSD reduces light-load losses by >30%, extending runtime in idle/sleep states. |
| Battery-Optimized Power Management | Deep-Sleep Voltage Scaling |
Use Scenario: Reducing CPU core voltage during battery-powered operation without sacrificing stability or performance margins. IC Role / Device Role / Timing Role: Implements BOM-triggered downward voltage shift using BSHIFT pin current, referenced to VID code. Use Value: Achieves fixed-percentage voltage reduction (e.g., −50 mV at 1.0 V) while maintaining regulation accuracy and transient response. |
Use Scenario: Supporting deepest CPU sleep states (C4/C5) where core voltage must scale below nominal to minimize leakage. IC Role / Device Role / Timing Role: Activates DPSLP-controlled voltage shift via DSHIFT pin; overrides BOM when both asserted. Use Value: Delivers deterministic −100 mV offset at 1.0 V output, meeting IMVP-III deep-sleep voltage specification with no software intervention. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar core voltage controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADP3205JRUZ-1.0-R7 | Pin-compatible upgrade with enhanced ADOPT™ compensation, lower quiescent current (6 µA shutdown), and extended temperature range (−40°C to +125°C) | Supports automotive-grade notebooks and extended-temperature industrial laptops; retains identical VID mapping and shift logic | Select for new designs requiring higher reliability, wider temp range, or lower standby power |
| ISL6225CRZ-T | Single-phase IMVP-III controller; lacks DPSLP support and deep-sleep shift; uses different VID timing and no ADOPT™ | Targeted at cost-sensitive single-core platforms; cannot replace ADP3203JRU-1.0-RL7 in dual-phase or deep-sleep-critical systems | Consider only for legacy single-phase IMVP-III designs where deep-sleep mode is unused |
Compared with ADP3205JRUZ-1.0-R7, the ADP3203JRU-1.0-RL7 offers proven field reliability in high-volume notebooks but lacks extended temperature rating and lowest-quiescent-current capability; versus ISL6225CRZ-T, it provides true dual-phase operation and full IMVP-III deep-sleep compliance essential for modern mobile CPUs.
Availability
ADP3203JRU-1.0-RL7 is available at Aetrix Electronics and suitable for notebook VRMs, mobile CPU core regulation, and IMVP-II/III-compliant power supplies requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for ADP3203JRU-1.0-RL7 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, headquartered in Norwood, MA, with design centers worldwide and a 50+ year heritage in precision power management.
The ADP3203JRU-1.0-RL7 belongs to Analog Devices' IMVP core controller product line, engineered specifically for mobile CPU voltage regulation with emphasis on dynamic VID response, multi-mode voltage shifting, and robust protection for battery-constrained platforms.
FAQ
What is the exact output voltage programmed by ADP3203JRU-1.0-RL7?
The ADP3203JRU-1.0-RL7 is factory-configured for 1.0 V nominal output, corresponding to VID code 10001 (VID4=1, VID3=0, VID2=0, VID1=0, VID0=1) per Table I in the datasheet. This setting is fixed for this orderable variant and cannot be altered by external VID pin states.
Does ADP3203JRU-1.0-RL7 support dual-phase operation out of the box?
Yes, ADP3203JRU-1.0-RL7 supports pin-selectable 1- or 2-phase operation. Dual-phase mode is enabled by connecting CS2 to GND through a sense resistor; tying CS2 to VCC disables Phase 2 and forces single-phase operation.
How does the ADP3203JRU-1.0-RL7 implement voltage shifting for battery-optimized mode?
The ADP3203JRU-1.0-RL7 uses the BSHIFT pin to inject a current proportional to the VID reference voltage into the RAMP node. When BOM is asserted low, this current creates a downward DC offset in the regulation loop, resulting in a fixed-percentage reduction (e.g., −50 mV at 1.0 V) without altering the load line slope.
What protection features are integrated into the ADP3203JRU-1.0-RL7?
The ADP3203JRU-1.0-RL7 integrates 2-level overvoltage (2.0 V) and reverse voltage (−0.3 V) protection on COREFB, cycle-by-cycle current limiting with hysteresis, hiccup-mode overload recovery, noise-blanked PWRGD, and redundant CLAMP output with external pull-up to V5_ALWAYS for fail-safe CPU protection.
Can ADP3203JRU-1.0-RL7 be used with non-Analog Devices gate drivers?
Yes, ADP3203JRU-1.0-RL7 is compatible with any 3.3 V logic-level gate driver supporting dual-channel PWM inputs (OUT1/OUT2) and DRVLSD control. While optimized for ADP3415, it has been validated with IR3584, ISL6322, and uP1966-based driver stages in reference designs.
ADP3203JRU-1.0-RL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 28-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Applications:
- Controller, Mobile CPU
- Voltage - Input:
- 7V
- Number of Outputs:
- 2
- Voltage - Output:
- Programmable
- Operating Temperature:
- 0°C ~ 100°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 28-TSSOP
ADP3203JRU-1.0-RL7 FAQ
1.How can I place an order for ADP3203JRU-1.0-RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADP3203JRU-1.0-RL7 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 ADP3203JRU-1.0-RL7 reliable?
The price and inventory of ADP3203JRU-1.0-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADP3203JRU-1.0-RL7 is usually 5 days.
3.What payment methods are accepted for ADP3203JRU-1.0-RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADP3203JRU-1.0-RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADP3203JRU-1.0-RL7?
ADP3203JRU-1.0-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADP3203JRU-1.0-RL7 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 ADP3203JRU-1.0-RL7?
For technical support, including ADP3203JRU-1.0-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADP3203JRU-1.0-RL7 requirements.
6.How does Aetrix verify that ADP3203JRU-1.0-RL7 is sourced from the original manufacturer or authorized distributors?
All ADP3203JRU-1.0-RL7 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 ADP3203JRU-1.0-RL7 meets industry standards.
7.What is the process for return or replacement of ADP3203JRU-1.0-RL7?
All ADP3203JRU-1.0-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADP3203JRU-1.0-RL7, 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 ADP3203JRU-1.0-RL7 part is unused and in its original packaging.
Return procedure for ADP3203JRU-1.0-RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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