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Analog Devices Inc. ADP2164ACPZ-1.0-R7
- Part No.:
- ADP2164ACPZ-1.0-R7
- Manufacturer:
- Analog Devices Inc.
- Package:
- 16-WQFN Exposed Pad, CSP
- Datasheet:
-
ADP2164ACPZ-1.0-R7.pdf
- Description:
- IC REG BUCK 1V 4A 16LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:1,210
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Product details
Overview
ADP2164ACPZ-1.0-R7 from Analog Devices is a 4 A, synchronous step-down DC-to-DC regulator in a 4 mm × 4 mm LFCSP package, delivering fixed 1.0 V output with ±1.5% accuracy across −40°C to +125°C. It operates from 2.7 V to 6.5 V input, integrates 43 mΩ high-side and 29 mΩ low-side MOSFETs, and supports 600 kHz or 1.2 MHz switching for compact point-of-load power delivery in FPGA core rails.
For engineers reviewing the ADP2164ACPZ-1.0-R7 datasheet, ADP2164ACPZ-1.0-R7 pinout, ADP2164ACPZ-1.0-R7 application, or ADP2164ACPZ-1.0-R7 equivalent, this page delivers verified specifications, validated pin functions, confirmed thermal performance (θJA = 38.3°C/W), real-world tracking capability, and precise soft-start timing (2048 clock cycles) - all critical for industrial and communications power design.
Technical Context
The ADP2164ACPZ-1.0-R7 employs a fixed-frequency, peak current mode PWM control architecture with integrated slope compensation to prevent subharmonic oscillation above 50% duty cycle. Its internal transconductance error amplifier compares FB voltage against a 0.6 V reference to regulate output.
It features precision enable logic (1.2 V typical threshold, 100 mV hysteresis), open-drain PGOOD with ±10% window and 16-cycle deglitching, and dual-input power rails (PVIN for high-current path, VIN for bias). The TRK pin enables coincident or ratiometric voltage tracking, and SYNC supports phase-shifted synchronization (0° or 180°) across multiple ICs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Current | 4 A continuous - supports high-density FPGA/ASIC core rail loads without external current sharing. |
| Input Voltage Range | 2.7 V to 6.5 V - compatible with single-cell Li-ion, 3.3 V, and 5 V intermediate bus architectures. |
| Output Voltage | Fixed 1.0 V - factory-trimmed; eliminates external feedback resistors and reduces BOM count. |
| Switching Frequency | 600 kHz or 1.2 MHz (pin-selectable) - enables trade-off between efficiency (lower fS) and component size (higher fS). |
| Integrated FETs | 43 mΩ high-side / 29 mΩ low-side - achieves >90% efficiency at 4 A, 1.0 V out from 5 V in (Figure 8). |
| Thermal Resistance | θJA = 38.3°C/W - requires minimal PCB copper area for thermal management in compact layouts. |
| Protection Features | UVLO (2.5 V fall / 2.6 V rise), OVP (0.66 V FB threshold), OCP (6.2 A peak limit), hiccup-mode short-circuit recovery - ensures robust operation under fault conditions. |
Pinout & Package
ADP2164ACPZ-1.0-R7 uses a 16-lead, 4 mm × 4 mm LFCSP package with exposed thermal pad (EPAD) soldered to PCB ground plane for optimal heat dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (SYNC) | Synchronization input | Accepts 500 kHz–1.4 MHz external clock; enables phase-aligned or 180° out-of-phase multi-rail coordination to reduce input ripple. |
| 2 (RT) | Frequency setting | GND = 600 kHz, VIN = 1.2 MHz; determines switching frequency without external resistor for fixed-output variants. |
| 3 (TRK) | Voltage tracking input | Supports coincident startup with master supply (e.g., I/O rail) via resistor divider; avoids sequencing issues in multi-rail systems. |
| 4 (FB) | Feedback sense | Internally connected to 1.0 V output; no external divider required - simplifies layout and improves regulation accuracy. |
| 5 (GND) | Analog ground | Reference for internal error amplifier and bias circuitry; must be separated from PGND in high-noise designs. |
| 6–8 (PGND) | Power ground | Low-impedance return path for high di/dt switch currents; connects directly to output capacitor cathode and EPAD. |
| 9–11 (SW) | Switch node | Drives external inductor; carries full switching waveform (0 V to VIN); requires tight loop area to minimize EMI. |
| 12–13 (PVIN) | Power input | High-current input path for MOSFETs; bypassed with ≥47 µF ceramic capacitor close to pins to suppress ripple. |
| 14 (VIN) | Bias input | Supplies internal circuitry; decoupled with 0.1 µF capacitor and isolated from PVIN via 10 Ω resistor to reduce noise coupling. |
| 15 (EN) | Precision enable | 1.2 V typical turn-on threshold with 100 mV hysteresis; internal 1 MΩ pull-down prevents false start during power-up. |
| 16 (PGOOD) | Power-good indicator | Open-drain output signals valid regulation (FB within ±10%); used for system power sequencing and fault monitoring. |
| 17 (EPAD) | Exposed thermal pad | Must be soldered to solid ground plane with ≥4 thermal vias; primary path for junction-to-board heat transfer. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated soft start | 2048 clock cycles - limits inrush current during startup; prevents output overshoot and input bus droop. |
| Start-up into precharged output | Active reverse-current protection - avoids discharging pre-biased outputs (e.g., hot-swap or rail-sharing systems). |
| Voltage tracking input (TRK) | Enables synchronized ramp-up with master supply - eliminates sequencing components and ensures safe power-up order. |
| Internal compensation | Eliminates external compensation network - reduces design time and component count while maintaining stability across load range. |
| 100% duty cycle operation | Supports ultra-low dropout at full 4 A load - maintains regulation even when input drops near 1.0 V (e.g., battery sag scenarios). |
Applications
| FPGA Core Power | Industrial PLC I/O Module |
|---|---|
Use Scenario: Powers 28 nm/16 nm FPGA core logic requiring stable 1.0 V ±3% at up to 4 A with fast transient response. IC Role / Device Role / Timing Role: Primary step-down regulator delivering tightly regulated core voltage; handles load steps up to 3.5 A with <100 mV deviation (Figure 22). Use Value: Integrated 43/29 mΩ FETs and current-mode control deliver >92% efficiency at 4 A, reducing thermal load in dense FPGA carrier boards. |
Use Scenario: Supplies 1.0 V rail for ARM Cortex-M7 microcontroller and peripheral interfaces in DIN-rail mounted programmable logic controllers. IC Role / Device Role / Timing Role: Point-of-load converter with EN-controlled sequencing and PGOOD-monitored startup for deterministic boot behavior. Use Value: UVLO, OVP, OCP, and thermal shutdown ensure reliable operation in unattended industrial environments with wide ambient temperature swings. |
| 5G Small Cell Baseband | Automotive Infotainment SoC |
Use Scenario: Generates 1.0 V core supply for high-speed baseband processors in outdoor small cell radios operating from 48 V PoE-derived 5 V intermediate bus. IC Role / Device Role / Timing Role: Synchronized 1.2 MHz regulator (via SYNC pin) phased with adjacent rails to minimize beat frequencies and conducted EMI. Use Value: 1.2 MHz operation allows use of 0.8 µH inductors and 100 µF ceramic capacitors - enabling compact, low-profile power stage design. |
Use Scenario: Powers application processor core in automotive infotainment head units requiring AEC-Q200-compliant design margins and strict sequencing. IC Role / Device Role / Timing Role: Fixed-output buck regulator with TRK input tracking main 1.8 V I/O rail to ensure safe power-up sequence per ISO 26262 requirements. Use Value: Coincident tracking capability eliminates need for external sequencer ICs, reducing cost and board space in ASIL-B compliant designs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS544B20RJER | 4 A, 1.0 V fixed, 2.95–16 V input, 700 kHz–2.2 MHz adjustable fS, 3.5 mm × 3.5 mm QFN | Wider input range suits 12 V intermediate bus; higher max fS enables smaller magnetics but lacks TRK pin | Select when input exceeds 6.5 V or when higher-frequency operation is mandatory; verify thermal performance at 4 A in smaller package. |
| MP2315GJ-Z | 4 A, 1.0 V fixed, 4.5–28 V input, 500 kHz fS, 3 mm × 3 mm QFN, no PGOOD or TRK | Higher input range and lower cost; missing key features for sequencing-sensitive applications | Use in cost-driven, non-sequenced 12 V–24 V systems where PGOOD and tracking are unnecessary; not suitable for FPGA/SoC core rails. |
Compared with TPS544B20RJER and MP2315GJ-Z, ADP2164ACPZ-1.0-R7 uniquely combines 1.0 V fixed output, TRK-based sequencing, PGOOD signaling, and optimized 2.7–6.5 V input range - making it the only choice for compact, multi-rail 3.3 V/5 V-powered digital systems requiring guaranteed startup coordination and fault reporting.
Availability
ADP2164ACPZ-1.0-R7 is available at Aetrix Electronics and suitable for FPGA core power, industrial PLC I/O modules, 5G small cell baseband supplies, and automotive infotainment SoC applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for ADP2164ACPZ-1.0-R7 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, and communications markets since 1965.
The ADP2164ACPZ-1.0-R7 belongs to Analog Devices' high-efficiency, low-voltage DC-to-DC regulator product line, designed specifically for space-constrained, high-current point-of-load applications in FPGA, ASIC, and SoC-based systems.
FAQ
What is the output voltage tolerance of the ADP2164ACPZ-1.0-R7 over temperature and load?
The ADP2164ACPZ-1.0-R7 guarantees ±1.5% output voltage accuracy over the full operating junction temperature range (−40°C to +125°C) and full 0 A to 4 A load range. This is achieved via factory trimming of the internal 0.6 V reference and precision feedback path - no external calibration is needed. The FB regulation voltage remains within 0.591 V to 0.609 V across temperature, ensuring consistent 1.0 V output performance in thermally demanding environments.
Does the ADP2164ACPZ-1.0-R7 require external compensation components?
No, the ADP2164ACPZ-1.0-R7 features fully integrated loop compensation. Its internal transconductance error amplifier and compensation network are optimized for stability with standard output capacitor ESR and recommended inductor values (e.g., 0.8 µH at 1.2 MHz). This eliminates external compensation resistors and capacitors, reducing BOM count and layout complexity while maintaining phase margin >45° across all operating conditions per Figure 29–35.
Can the ADP2164ACPZ-1.0-R7 start up into a precharged output voltage?
Yes, the ADP2164ACPZ-1.0-R7 supports startup into a precharged output. Its internal circuitry detects voltage on the FB pin prior to soft start initiation and prevents reverse inductor current flow that would discharge the output capacitor. This feature is essential in hot-swap, rail-sharing, or multi-regulator systems where the output may already be biased before the ADP2164ACPZ-1.0-R7 is enabled.
How does the TRK pin function in the ADP2164ACPZ-1.0-R7 for voltage tracking?
The TRK pin on the ADP2164ACPZ-1.0-R7 enables precise voltage tracking by accepting an external reference voltage (0–600 mV). When configured with a resistor divider from a master supply, it forces the ADP2164ACPZ-1.0-R7 output to ramp in concert with the master rail - either coincidently (same final value) or ratiometrically (fixed proportion). This eliminates discrete sequencing ICs and ensures safe power-up order in multi-rail SoC/FPGA systems.
What thermal management guidance applies to the ADP2164ACPZ-1.0-R7 in 4 A operation?
At 4 A output, the ADP2164ACPZ-1.0-R7 dissipates ~0.5 W (based on 43/29 mΩ FETs and typical efficiency). With θJA = 38.3°C/W, junction temperature rise is ~19°C above ambient - well below the 140°C thermal shutdown threshold. Effective thermal design requires soldering the EPAD to a ≥1 cm² solid ground plane with ≥4 thermal vias (0.3 mm diameter) to the inner ground layer, per JEDEC 4-layer board guidelines in the datasheet.
ADP2164ACPZ-1.0-R7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-WQFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.7V
- Voltage - Input (Max):
- 6.5V
- Voltage - Output (Min/Fixed):
- 1V
- Voltage - Output (Max):
- -
- Current - Output:
- 4A
- Frequency - Switching:
- 500kHz ~ 1.4MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-LFCSP (4x4)
ADP2164ACPZ-1.0-R7 FAQ
1.How can I place an order for ADP2164ACPZ-1.0-R7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADP2164ACPZ-1.0-R7 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 ADP2164ACPZ-1.0-R7 reliable?
The price and inventory of ADP2164ACPZ-1.0-R7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADP2164ACPZ-1.0-R7 is usually 5 days.
3.What payment methods are accepted for ADP2164ACPZ-1.0-R7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADP2164ACPZ-1.0-R7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADP2164ACPZ-1.0-R7?
ADP2164ACPZ-1.0-R7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADP2164ACPZ-1.0-R7 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 ADP2164ACPZ-1.0-R7?
For technical support, including ADP2164ACPZ-1.0-R7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADP2164ACPZ-1.0-R7 requirements.
6.How does Aetrix verify that ADP2164ACPZ-1.0-R7 is sourced from the original manufacturer or authorized distributors?
All ADP2164ACPZ-1.0-R7 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 ADP2164ACPZ-1.0-R7 meets industry standards.
7.What is the process for return or replacement of ADP2164ACPZ-1.0-R7?
All ADP2164ACPZ-1.0-R7 units undergo pre-shipment inspection (PSI). If there is an issue with ADP2164ACPZ-1.0-R7, 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 ADP2164ACPZ-1.0-R7 part is unused and in its original packaging.
Return procedure for ADP2164ACPZ-1.0-R7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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