My Inquiry
My Account
Analog Devices Inc. ADP3209JCPZ-RL-AD
- Part No.:
- ADP3209JCPZ-RL-AD
- Manufacturer:
- Analog Devices Inc.
- Category:
- Special Purpose Regulators
- Package:
- 32-VFQFN Exposed Pad, CSP
- Datasheet:
-
ADP3209JCPZ-RL-AD.pdf
- Description:
- 5 BIT, PROGRAMMABLE, SINGLE-PHAS
- Quantity:
- Payment:
- Shipping:
Inventory:10,000
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ADP3209JCPZ-RL-AD from onsemi is a 5-bit programmable, single-phase synchronous buck controller optimized for Intel GMCH core voltage regulation in notebook power supplies. It integrates high-side and low-side MOSFET drivers, delivers ±8 mV worst-case differential output voltage error over 0°C to 100°C, supports VID-based on-the-fly voltage transitions (0.4 V to 1.25 V), and implements multimode operation (RPM/PWM) for light-load efficiency and transient response.
For engineers reviewing the ADP3209JCPZ-RL-AD datasheet, ADP3209JCPZ-RL-AD pinout, ADP3209JCPZ-RL-AD application, or ADP3209JCPZ-RL-AD equivalent, key selection considerations include its 32-lead LFCSP package, integrated load line programming via LLINE/CSREF, programmable current limit with RCLIM, soft transient control via ST capacitor, and dual-mode switching frequency control (RT pin for PWM, RPM/VRPM for variable-frequency operation).
Technical Context
The ADP3209JCPZ-RL-AD uses a ramp-pulse-modulated (RPM) architecture for fast transient response and high light-load efficiency, switching automatically to fixed-frequency PWM mode during soft start, soft transients, or overload conditions. Its internal 5-bit VID DAC directly interfaces with Intel chipsets to set core voltage between 0.4 V and 1.25 V with ±8 mV accuracy over temperature.
Differential sensing is implemented via FB/FBRTN pins referenced to GMCH remote sense points, while current sensing employs a dedicated CSA with configurable gain (via CSFB–CSCOMP resistor) and independent load line slope setting (LLINE–CSREF). Protection includes programmable latch-off short-circuit response, crowbar overvoltage detection at CSREF, and reverse voltage protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Voltage Output Range | 0.4 V to 1.25 V, digitally set by 5-bit VID code per Intel IMVP-6+ specification |
| Voltage Error Accuracy | ±8 mV worst-case differential error over 0°C to 100°C, enabling precise GMCH core regulation |
| Switching Modes | RPM mode for adaptive frequency & high efficiency at light loads; PWM mode for fixed-frequency stability during transients |
| Current Sensing | Dedicated CSA with <1.2 mV offset, supporting ESR/thermistor/resistor-based sensing and independent load line programming |
| Protection Features | Programmable current limit (105–145 mV threshold), short-circuit latch-off delay, CSREF crowbar (1.65–1.75 V), and reverse voltage detection (−425 mV) |
| Driver Performance | High-side driver: 1.6–3.3 Ω sourcing, 15–35 ns rise/fall; low-side driver: 1.4–3.0 Ω sourcing, 15–35 ns rise/fall |
| Package | 32-lead LFCSP (5 mm × 5 mm × 0.85 mm), thermally enhanced for notebook power density |
Pinout & Package
ADP3209JCPZ-RL-AD is housed in a 32-lead LFCSP (Lead Frame Chip Scale Package) with exposed thermal pad, optimized for compact notebook motherboard layouts and thermal dissipation in high-current GMCH applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| FB / FBRTN | Differential feedback inputs | FB senses remote positive point; FBRTN serves as reference return for VID DAC and error amplifier, enabling accurate remote sensing |
| VID0–VID4 | 5-bit voltage identification inputs | Directly read Intel chipset VID code to program DAC output (0.4 V–1.25 V) without external logic |
| DRVH / DRVL | High-side / low-side gate drivers | Integrated drivers eliminate need for external driver ICs; support bootstrap (BST) and PVCC supply paths |
| LLINE / CSREF / CSFB | Load line and current sense interface | LLINE sets droop slope independently of current limit; CSREF/CSFB enable precision DCR-based current monitoring |
| RT / RPM / VRPM | Frequency control inputs | RT sets PWM frequency; RPM/VRPM configure adaptive RPM mode thresholds for variable-frequency operation |
| PWRGD / EN / VARFREQ | System control signals | PWRGD open-drain status flag; EN enables/disables all functions; VARFREQ selects RPM (GND) or PWM (5 V) mode |
Key Features
| Feature | Design Value |
|---|---|
| Integrated MOSFET drivers | Eliminates external driver ICs; supports high-side bootstrap and low-side PVCC supply with <35 ns transition times |
| 5-bit programmable VID DAC | Direct interface to Intel GMCH; sets core voltage from 0.4 V to 1.25 V in 25 mV steps with ±8 mV accuracy over temp |
| Soft transient control (ST pin) | Capacitor-programmable slew rate limits inrush current and audio noise during VID voltage changes |
| Independent load line programming | LLINE pin allows separate adjustment of voltage droop vs. load current without affecting current limit threshold |
| Automatic power-saving modes | Seamless transition to DCM in RPM mode at light loads, maximizing efficiency without manual mode switching |
Applications
| Intel GMCH Core Regulation | Notebook Battery-to-Core Conversion |
|---|---|
|
Use Scenario: Regulating VCCGFX for next-generation Intel mobile chipsets requiring tight voltage positioning and fast load transients. IC Role / Device Role / Timing Role: Primary synchronous buck controller managing core voltage via VID interface, differential sensing, and active impedance control. Use Value: ±8 mV output error ensures compliance with IMVP-6+ spec; RPM mode delivers >90% efficiency at 2 A load with adaptive frequency scaling. |
Use Scenario: Converting 8 V–19 V battery input to dynamically adjustable 0.4 V–1.25 V GMCH core supply in ultra-thin notebooks. IC Role / Device Role / Timing Role: Single-chip controller integrating drivers, VID DAC, and current sensing-reducing BOM count and PCB area. Use Value: Integrated drivers and 32-lead LFCSP enable compact 2-layer board designs; soft-start and latch-off delay prevent inrush damage. |
| On-the-Fly VID Transitions | Power Monitor Integration |
|
Use Scenario: Supporting dynamic voltage scaling during CPU/GPU state changes where core voltage must shift mid-operation (e.g., 1.25 V → 0.825 V). IC Role / Device Role / Timing Role: Controller executes controlled slew via ST pin capacitor, masking PWRGD for 100 μs to avoid false fault triggering. Use Value: Soft transient reduces output voltage step overshoot to <35 mV and eliminates audible coil whine during VID changes. |
Use Scenario: Providing real-time power telemetry for thermal management and adaptive performance throttling in fanless notebooks. IC Role / Device Role / Timing Role: PMON/PMONFS pins generate duty-cycle modulated signal convertible to analog power output via RC filter. Use Value: PMON voltage scales linearly with output power (e.g., 100 mV/W), enabling accurate system-level power budgeting without external ADC. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous buck controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ISL6260CRTZ-T | 6-bit VID DAC (0.3 V–1.5 V), no integrated RPM mode; requires external current sense amplifier | Targeted at broader Intel mobile platforms including CPU VRMs; lacks soft transient control and PMON output | Choose ISL6260CRTZ-T when wider VID range and legacy IMVP-6 support are required, but accept added component count and reduced transient optimization. |
| TPS51220ARUKT | Supports 3-phase operation, integrated MOSFET drivers, but only 4-bit VID (0.5 V–1.5 V); no LLINE pin for independent load line | Designed for multi-phase GPU/CPU core rails; higher current capability but less precise GMCH-specific voltage positioning | Choose TPS51220ARUKT for higher-output-current applications where phase interleaving improves ripple, but sacrifice ±8 mV GMCH accuracy and independent load line tuning. |
Compared with ISL6260CRTZ-T and TPS51220ARUKT, ADP3209JCPZ-RL-AD uniquely combines Intel GMCH-optimized 5-bit VID, ±8 mV differential accuracy, integrated RPM/PWM multimode control, and dedicated LLINE/CSREF load line programming-making it the most targeted solution for single-phase notebook GMCH core regulation where precision and transient fidelity are critical.
Availability
ADP3209JCPZ-RL-AD is available at Aetrix Electronics and suitable for notebook power supplies, Intel chipset reference designs, and embedded mobile computing platforms requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.
Supply support for ADP3209JCPZ-RL-AD 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
onsemi is a global semiconductor leader delivering energy-efficient silicon solutions for automotive, industrial, cloud, medical, and edge applications, with deep expertise in power management and analog ICs.
The ADP3209JCPZ-RL-AD belongs to onsemi's high-performance notebook power controller product line, engineered specifically to meet Intel IMVP-6+ specifications for GMCH core voltage regulation with minimal external components and maximum thermal efficiency.
FAQ
What is the primary function of the ADP3209JCPZ-RL-AD in a notebook power system?
The ADP3209JCPZ-RL-AD serves as a single-phase synchronous buck controller dedicated to regulating the GMCH core voltage in Intel-based notebook platforms. It reads 5-bit VID codes directly from the chipset, generates precise 0.4 V–1.25 V output with ±8 mV accuracy, and manages high-side/low-side MOSFETs via integrated drivers-enabling compact, efficient, and specification-compliant power delivery for mobile chipsets.
How does the ADP3209JCPZ-RL-AD achieve ±8 mV output voltage accuracy over temperature?
The ADP3209JCPZ-RL-AD achieves ±8 mV worst-case differential output voltage error through three coordinated mechanisms: a precision bandgap-referenced 5-bit VID DAC, a low-offset voltage error amplifier (<±1.2 mV), and differential remote sensing via FB/FBRTN pins tied directly to Intel GMCH sense points. This architecture meets IMVP-6+ requirements across the full 0°C to 100°C operating range without calibration.
Can the ADP3209JCPZ-RL-AD support on-the-fly VID voltage changes, and how is this implemented?
Yes, the ADP3209JCPZ-RL-AD supports on-the-fly VID changes via its ST (Soft Transient) pin. When VID code shifts, the ST capacitor controls slew rate to limit dV/dt, while PWRGD is masked for 100 μs to prevent false fault assertion. This implementation ensures smooth transitions (e.g., 1.25 V ↔ 0.825 V) with <35 mV overshoot and eliminates audible noise-critical for dynamic CPU/GPU power states.
What are the key differences between RPM mode and PWM mode in the ADP3209JCPZ-RL-AD?
RPM mode uses COMP pin voltage and an internal ramp generator (programmed via RPM/VRPM/IRAMP) to deliver adaptive switching frequency-improving light-load efficiency and transient response. PWM mode uses a fixed oscillator (set by RT resistor) and is activated during soft start, soft transients, or overload. The ADP3209JCPZ-RL-AD automatically switches between modes based on load and event conditions without external intervention.
How is current sensing and load line programming implemented on the ADP3209JCPZ-RL-AD?
Current sensing uses a dedicated CSA with inputs CSREF (connected to output node) and CSFB (connected via resistor to switch node), where gain is set by external CSFB–CSCOMP resistor. Load line is programmed independently via LLINE pin-a resistor divider midpoint between CSCOMP and CSREF-allowing droop slope adjustment without altering current limit threshold, ensuring precise IMVP-6+ voltage positioning under dynamic load.
ADP3209JCPZ-RL-AD Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- ADP3209
- Package/Case:
- 32-VFQFN Exposed Pad, CSP
- Packaging:
- Bulk
- Product Status:
- Active
- Applications:
- Controller, Notebook Power System
- Voltage - Input:
- 4.5V ~ 5.5V
- Number of Outputs:
- 1
- Voltage - Output:
- Programmable
- Operating Temperature:
- 0°C ~ 100°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-LFCSP-VQ (5x5)
ADP3209JCPZ-RL-AD FAQ
1.How can I place an order for ADP3209JCPZ-RL-AD through Aetrix?
Please submit a Request for Quotation (RFQ) for ADP3209JCPZ-RL-AD 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 ADP3209JCPZ-RL-AD reliable?
The price and inventory of ADP3209JCPZ-RL-AD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADP3209JCPZ-RL-AD is usually 5 days.
3.What payment methods are accepted for ADP3209JCPZ-RL-AD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADP3209JCPZ-RL-AD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADP3209JCPZ-RL-AD?
ADP3209JCPZ-RL-AD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADP3209JCPZ-RL-AD 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 ADP3209JCPZ-RL-AD?
For technical support, including ADP3209JCPZ-RL-AD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADP3209JCPZ-RL-AD requirements.
6.How does Aetrix verify that ADP3209JCPZ-RL-AD is sourced from the original manufacturer or authorized distributors?
All ADP3209JCPZ-RL-AD 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 ADP3209JCPZ-RL-AD meets industry standards.
7.What is the process for return or replacement of ADP3209JCPZ-RL-AD?
All ADP3209JCPZ-RL-AD units undergo pre-shipment inspection (PSI). If there is an issue with ADP3209JCPZ-RL-AD, 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 ADP3209JCPZ-RL-AD part is unused and in its original packaging.
Return procedure for ADP3209JCPZ-RL-AD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADP3209JCPZ-RL-AD 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…
