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Analog Devices Inc. ADP5053ACPZ-R7
- Part No.:
- ADP5053ACPZ-R7
- Manufacturer:
- Analog Devices Inc.
- Package:
- 48-WFQFN Exposed Pad, CSP
- Datasheet:
-
ADP5053ACPZ-R7.pdf
- Description:
- IC REG BUCK ADJ QUAD 48LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:1,077
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Product details
Overview
ADP5053ACPZ-R7 from Analog Devices is a quad-output integrated power management IC featuring four synchronous buck regulators (two 4 A-capable channels with external low-side FET drivers, two 1.2 A fully integrated channels), precision enable inputs, power-good flags, watchdog timer, manual reset, and supervisory circuits - all in a single 48-lead LFCSP package. It operates from 4.5 V to 15.0 V input, delivers ±1.5% output accuracy over −40°C to +125°C, supports 250 kHz–1.4 MHz adjustable switching frequency, and targets FPGA, processor, and small cell base station power rails.
For engineers reviewing the ADP5053ACPZ-R7 datasheet, ADP5053ACPZ-R7 pinout, ADP5053ACPZ-R7 application, or ADP5053ACPZ-R7 equivalent, this page provides verified technical context, validated pin functions, confirmed regulator specifications per channel, real-world application mappings for security/surveillance and medical systems, and two rigorously cross-checked alternative parts with documented functional and packaging differences.
Technical Context
The ADP5053ACPZ-R7 integrates two high-current buck channels (Ch1/Ch2) with internal high-side MOSFETs and external low-side gate drivers (DL1/DL2), enabling programmable 1.2 A/2.5 A/4 A outputs or 8 A parallel operation. Ch3 and Ch4 integrate both high- and low-side MOSFETs for fixed 1.2 A capability. Each channel features independent soft-start (2–8 ms), hiccup-mode OCP, and ±1.5% output voltage accuracy across temperature.
Supervisory functions include a 0.5 V threshold monitoring input (VTH), three selectable watchdog timeout options (up to 25.6 s), manual reset with 1 µs pulse width support, open-drain RSTO output, and PWRGD flag generation with 1 ms rising delay and 50 µs falling delay. The device supports FPWM or automatic PWM/PSM mode via SYNC/MODE pin and allows frequency synchronization either as input or factory-configured output.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5 V to 15.0 V - enables direct connection to 12 V intermediate bus without preregulation |
| Output Accuracy | ±1.5% over −40°C to +125°C - ensures stable rail tolerance for FPGA core and I/O supplies |
| Switching Frequency | 250 kHz to 1.4 MHz - adjustable via RT resistor or external SYNC clock for EMI optimization |
| Channel 1/2 Max Output | 4 A each or 8 A in parallel - supports high-current processor cores with external low-side FET selection |
| Channel 3/4 Max Output | 1.2 A each with integrated FETs - simplifies layout for auxiliary rails like DDR memory termination or analog subsystems |
| Enable Threshold | 0.806 V to 0.832 V - precise UVLO control for sequenced power-up of multi-rail systems |
| Power-Good Delay | 1 ms rise / 50 µs fall - meets strict timing requirements for FPGA configuration and processor boot sequences |
Pinout & Package
ADP5053ACPZ-R7 uses a 48-lead 7 mm × 7 mm LFCSP package with exposed thermal pad requiring solder connection to PCB ground plane. Pin functions are validated per Analog Devices Rev. C datasheet Figure 3 and Table 7.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PVIN1–PVIN4 | Independent power inputs per channel | Allow separate input sourcing (e.g., 12 V for Ch1/Ch2, 5 V for Ch3/Ch4) to optimize efficiency and noise isolation |
| SW1–SW4 | Switching node outputs | Connect to external inductors; SW1/SW2 support external low-side FETs via DL1/DL2 drivers |
| DL1, DL2 | Low-side gate drivers | Drive external NFETs; current limit set by resistor to PGND (RILIM1/RILIM2) |
| FB1–FB4 | Feedback sensing inputs | 0.800 V reference enables precise output regulation; supports fixed or adjustable voltages via fuse trim |
| EN1–EN4 | Channel enable inputs | 0.8 V threshold enables accurate sequencing; internal 1 MΩ pull-down supports default-off safety |
| VREG, VDD | Internal linear regulators | 5.1 V @ 140 mA and 3.3 V @ 80 mA outputs power internal logic and external circuitry |
| WDI, RSTO, VTH, MR | Supervisory interface | Enable watchdog timeout detection, processor reset assertion, threshold monitoring, and manual system reset |
| SYNC/MODE | Frequency sync or FPWM control | Configurable as sync input (250 kHz–1.4 MHz) or output; logic-high forces continuous PWM mode |
Key Features
| Feature | Design Value |
|---|---|
| Quad-buck integration with supervision | Reduces board area by replacing four discrete regulators + supervisor IC + reset generator in one 7 mm × 7 mm package |
| Programmable 1.2 A/2.5 A/4 A per Ch1/Ch2 | Enables optimal FET selection for efficiency vs. cost trade-offs across load profiles and thermal constraints |
| Parallel operation (Ch1 + Ch2) | Delivers up to 8 A from single output without external current-sharing circuitry or complex control loops |
| Active output discharge switch | RDIS = 250 Ω per channel ensures rapid rail discharge during shutdown - critical for FPGA I/O state integrity |
| Factory-fuse configurable outputs | Fixed voltage options (e.g., 0.85 V, 1.6 V, 3.3 V, 5.0 V) eliminate external feedback resistors for production-ready designs |
| Watchdog with 4 timeout options | Supports fail-safe recovery in medical and surveillance systems with timeout periods from 4.8 ms to 25.6 s |
Applications
| FPGA Core Power Supply | Processor I/O Rail Generation |
|---|---|
Use Scenario: Powering Xilinx Kintex-7 or Intel Arria 10 FPGA core voltage (VCCINT) requiring tight regulation and fast transient response. IC Role / Device Role / Timing Role: ADP5053ACPZ-R7 Channel 1 delivers 1.0 V @ 4 A with ±1.5% accuracy and 1 ms power-good assertion for configuration lock. Use Value: Integrated soft-start (2–8 ms) prevents inrush current damage; active discharge ensures safe reconfiguration after reset. |
Use Scenario: Generating 1.8 V and 3.3 V I/O rails for ARM-based SoCs in industrial gateways. IC Role / Device Role / Timing Role: ADP5053ACPZ-R7 Channels 3 and 4 supply 1.2 A each with independent enable sequencing and power-good monitoring. Use Value: Dual 1.2 A integrated-FET channels reduce BOM count versus discrete solutions while maintaining <0.4% load regulation. |
| Small Cell Base Station RF Front-End | Medical Imaging Sensor Bias Supply |
Use Scenario: Providing clean, low-noise 5.0 V and 3.3 V supplies for LTE/5G transceiver ICs and ADCs in compact pico-cell units. IC Role / Device Role / Timing Role: ADP5053ACPZ-R7 Channel 2 (5.0 V fixed) and Channel 4 (3.3 V fixed) operate in FPWM mode to suppress subharmonic noise near sensitive RF bands. Use Value: 250 kHz–1.4 MHz frequency adjustability allows EMI notch placement; ±1.5% accuracy maintains ADC reference stability. |
Use Scenario: Delivering isolated, low-drift bias voltages for CMOS image sensor arrays in portable ultrasound devices. IC Role / Device Role / Timing Role: ADP5053ACPZ-R7 Channel 3 (1.2 V) powers sensor digital logic; VREG (5.1 V) supplies analog front-end op-amps. Use Value: Internal 5.1 V VREG with 225 mV dropout ensures stable analog supply under varying load; thermal shutdown at 150°C protects against overheating in sealed enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad-buck power management applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADP5054ACPZ-R7 | Four high-current buck channels (all 4 A capable); no supervisory circuit; same 48-lead LFCSP package | Lacks watchdog, reset, and VTH monitoring - unsuitable for safety-critical or fault-recovery systems | Select when only high-current regulation is needed and supervision is handled externally |
| ADP5051ACPZ-R7 | Same quad-buck + supervision architecture but adds I²C interface for dynamic voltage scaling and telemetry | I²C enables real-time margining and fault logging; requires additional MCU firmware and PCB routing | Select when remote configuration, telemetry, or adaptive voltage scaling is required |
Compared with ADP5053ACPZ-R7, ADP5054ACPZ-R7 trades supervision for higher current on all channels, while ADP5051ACPZ-R7 adds I²C configurability at the cost of increased software complexity - neither offers pin-to-pin compatibility due to differing internal feature sets and register maps.
Availability
ADP5053ACPZ-R7 is available at Aetrix Electronics and suitable for FPGA power delivery, small cell base station design, and medical imaging equipment requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for ADP5053ACPZ-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 industrial, automotive, communications, and healthcare markets since 1965.
The ADP5053ACPZ-R7 belongs to Analog Devices' integrated power solution product line, designed specifically for space-constrained, multi-rail applications in FPGA, processor, and wireless infrastructure systems where consolidation, reliability, and thermal performance are critical.
FAQ
What is the maximum output current supported by ADP5053ACPZ-R7 Channel 1 and Channel 2?
ADP5053ACPZ-R7 Channel 1 and Channel 2 each support up to 4 A output current when configured with appropriate external low-side FETs and inductors. When operated in parallel using SS12 pin control, they deliver a single 8 A output. Current limit thresholds (3.5 A to 7.48 A) are set via RILIM1/RILIM2 resistors per datasheet Table 3.
Does ADP5053ACPZ-R7 support I²C communication?
No, ADP5053ACPZ-R7 does not include an I²C interface. It is a pin-strapped, analog-configured device with factory-fuse options for fixed outputs and no serial bus. For I²C-enabled variants, refer to ADP5051ACPZ-R7, which shares the same regulator architecture but adds full I²C control and telemetry.
Can ADP5053ACPZ-R7 generate a 0.85 V output?
Yes, ADP5053ACPZ-R7 Channel 1 supports 0.85 V as a factory-fuse-trimmed fixed output option, per Table 3 in the Rev. C datasheet. This eliminates external feedback resistors and improves accuracy over temperature compared to adjustable configurations using the 0.800 V reference.
What is the function of the SS12 and SS34 pins on ADP5053ACPZ-R7?
SS12 configures soft-start time and parallel operation for Channels 1 and 2; SS34 configures soft-start time for Channels 3 and 4. Both accept resistor dividers tied to VREG and GND to set soft-start duration from 2 ms to 8 ms. SS12 also enables Ch1+Ch2 parallel mode when pulled to VREG, per the Parallel Operation section of the datasheet.
How does the watchdog timeout work on ADP5053ACPZ-R7?
The ADP5053ACPZ-R7 watchdog timeout is factory-selectable across four options (4.8 ms to 25.6 s) via internal fuses. It monitors the WDI pin: if no valid toggle occurs within the selected period, it asserts RSTO low. Timeout selection is fixed at manufacture and cannot be changed in-circuit.
ADP5053ACPZ-R7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 48-WFQFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 4
- Voltage - Input (Min):
- 4.5V
- Voltage - Input (Max):
- 15V
- Voltage - Output (Min/Fixed):
- 0.8V
- Voltage - Output (Max):
- 13.5V
- Current - Output:
- 1.2A, 2.5A, 4A, 1.2A
- Frequency - Switching:
- 250kHz ~ 1.4MHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-LFCSP (7x7)
ADP5053ACPZ-R7 FAQ
1.How can I place an order for ADP5053ACPZ-R7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADP5053ACPZ-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 ADP5053ACPZ-R7 reliable?
The price and inventory of ADP5053ACPZ-R7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADP5053ACPZ-R7 is usually 5 days.
3.What payment methods are accepted for ADP5053ACPZ-R7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADP5053ACPZ-R7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADP5053ACPZ-R7?
ADP5053ACPZ-R7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADP5053ACPZ-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 ADP5053ACPZ-R7?
For technical support, including ADP5053ACPZ-R7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADP5053ACPZ-R7 requirements.
6.How does Aetrix verify that ADP5053ACPZ-R7 is sourced from the original manufacturer or authorized distributors?
All ADP5053ACPZ-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 ADP5053ACPZ-R7 meets industry standards.
7.What is the process for return or replacement of ADP5053ACPZ-R7?
All ADP5053ACPZ-R7 units undergo pre-shipment inspection (PSI). If there is an issue with ADP5053ACPZ-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 ADP5053ACPZ-R7 part is unused and in its original packaging.
Return procedure for ADP5053ACPZ-R7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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