Analog Devices Inc. ADP1053ACPZ-R7
- Part No.:
- ADP1053ACPZ-R7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Power Supply Controllers, Monitors
- Package:
- 40-WFQFN Exposed Pad, CSP
- Datasheet:
-
ADP1053ACPZ-R7.pdf
- Description:
- IC DGTL PWR MGMT 40LFCSP
- Quantity:
- Payment:

- Shipping:

Inventory:750
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ADP1053ACPZ-R7 from Analog Devices is a 3-channel digital power supply controller implementing voltage-mode PWM architecture with 625 ps resolution, remote differential voltage sensing on two regulated channels, and PMBus-compliant programmability. It supports interleaved configurations with volt-second and current balance, operates from a single 3.3 V supply, and targets isolated/nonisolated DC-DC converters requiring precise digital control and system-level energy management.
For engineers reviewing the ADP1053ACPZ-R7 datasheet, ADP1053ACPZ-R7 pinout, ADP1053ACPZ-R7 application, or ADP1053ACPZ-R7 equivalent, key selection criteria include its dual regulated + one unregulated channel configuration, 50 kHz–625 kHz programmable switching frequency per channel, independent OVP/OCP/OTP protection per channel, EEPROM-based configuration storage, and 40-lead 6 mm × 6 mm LFCSP package with exposed thermal pad soldered to AGND.
Technical Context
The ADP1053ACPZ-R7 integrates an 8-PWM engine configurable as three independent output channels: two digitally regulated outputs with feedback control (Channel A and B) plus one fixed-duty-cycle unregulated channel (Channel C). Each regulated channel features dedicated differential voltage sense inputs (VS±_A/B), dual current sense paths (CS1_A/B for fast OCP and CS2±_A/B for high-accuracy differential sensing), and independent protection flags.
Its digital core implements programmable compensation filters (3 poles, 2 zeros), voltage feedforward via ACSNS input, flexible start-up sequencing with tracking, and synchronization capability across devices. All eight PWM outputs are individually assignable, enabling both multi-channel and high-power single-channel topologies, while the built-in 8 kB EEPROM stores calibrated settings and captures first-fault data for reliability analysis.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Architecture | Voltage-mode PWM with 625 ps resolution enables fine-grained duty cycle control for high-efficiency regulation. |
| Channels | 2 regulated outputs (A/B) + 1 unregulated output (C); all three support independent 50–625 kHz frequency programming. |
| Voltage Sensing | Differential remote sensing on VS±_A/B with 12-bit ADC, ±2.1% FSR accuracy (0–100% range), and 100 Hz update rate. |
| Current Sensing | Dual-path: CS1_A/B for fast OCP (1.2 V threshold, 110 ns latency); CS2±_A/B for differential sensing (120 mV FSR, ±2.1% FSR accuracy). |
| Protection | Independent OVP/OCP/OTP per regulated channel; two OTP circuits for 100 kΩ thermistors; programmable fault sequence. |
| Interface | PMBus/I²C compliant (100–400 kHz), supporting full register access, EEPROM read/write, and GUI-driven configuration. |
| Package | 40-lead LFCSP (6 mm × 6 mm), exposed thermal pad soldered to AGND for thermal performance in high-power applications. |
Pinout & Package
The ADP1053ACPZ-R7 is housed in a 40-lead, 6 mm × 6 mm lead frame chip scale package (LFCSP) with an exposed thermal pad on the underside that must be soldered to AGND for optimal thermal performance and electrical reference integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VS+_A / VS−_A | Differential voltage sense inputs for Channel A | Enable remote sensing of output voltage at load; referenced to each other, not AGND-minimizes PCB trace IR drop error. |
| CS2+_A / CS2−_A | Differential current sense inputs for Channel A | Support high-accuracy, noise-immune current measurement across shunt resistor; common-mode range 0.8–1.3 V relative to AGND. |
| OVP_A / PGND_A | Overvoltage protection comparator input and reference | OVP_A compares sensed voltage against internal threshold; PGND_A provides local ground reference to avoid system ground bounce interference. |
| OUT1–OUT8 | PWM logic outputs driving external FET drivers | Eight configurable outputs support interleaved, multiphase, or redundant topologies; each can be enabled/disabled independently. |
| SDA / SCL | PMBus/I²C bidirectional interface pins | Open-drain operation with pull-up required; support full command set including calibration, flag reading, and EEPROM programming. |
Key Features
| Feature | Design Value |
|---|---|
| Configurable 8-PWM engine | Enables flexible topology mapping: dual regulated + one unregulated channel, or consolidated high-power single-channel operation. |
| Programmable compensation filters | 3-pole/2-zero digital filters allow loop stability optimization without external analog components-reducing BOM count and layout sensitivity. |
| Volt-second & current balance | Ensures equal energy transfer and phase current sharing in interleaved designs-critical for thermal management and EMI reduction. |
| On-board 8 kB EEPROM | Stores calibrated settings, fault logs, and first-fault capture data-enabling field-recoverable configurations and accelerated failure analysis. |
| Graphical user interface (GUI) | Provides intuitive parameter programming, real-time monitoring, and protection limit setup-reducing development time versus command-line-only tools. |
Applications
| AC-to-DC Power Supplies | Isolated DC-DC Power Supplies |
|---|---|
Use Scenario: Front-end AC-DC conversion in telecom rectifiers and server PSUs where efficiency, thermal management, and remote monitoring are critical. IC Role / Device Role / Timing Role: Primary digital controller managing PFC and isolated LLC or forward converter stages via synchronized PWM outputs and voltage/current telemetry. Use Value: Enables adaptive light-load mode, phase shedding, and real-time telemetry via PMBus-meeting 80 PLUS Titanium and ENERGY STAR requirements. | Use Scenario: Secondary-side regulation in medical imaging power systems requiring tight cross-regulation and fault containment between isolated rails. IC Role / Device Role / Timing Role: Dual-channel controller regulating independent isolated outputs (e.g., ±15 V analog and 3.3 V digital) with independent OVP/OCP and tracking sequencing. Use Value: Differential sensing eliminates PCB trace resistance error; independent protections prevent single-point failure propagation across isolation barriers. |
| Intermediate Rail Power Supplies | Nonisolated DC-DC Converters |
Use Scenario: Point-of-load (POL) regulation in AI accelerator cards where multiple tightly regulated intermediate rails (e.g., 5 V, 3.3 V, 1.8 V) feed ASICs and memory. IC Role / Device Role / Timing Role: Multi-rail controller coordinating start-up sequencing, voltage tracking, and dynamic margining across three independent outputs using shared clock and fault signaling. Use Value: Programmable soft-start and slew rate control ensure monotonic ramp-up; PMBus telemetry enables real-time rail health monitoring in dense compute environments. | Use Scenario: High-current buck converters in industrial motor drives where fast transient response and overcurrent protection are essential. IC Role / Device Role / Timing Role: Voltage-mode controller with 625 ps PWM resolution and fast OCP (110 ns latency) delivering precise duty cycle control and immediate shutdown during short-circuit events. Use Value: Dual current sense paths (CS1 for speed, CS2± for accuracy) enable both rapid fault response and precise current reporting-supporting predictive maintenance algorithms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital power controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| UCC28950RTJT | Fixed 4-phase interleaved controller with analog voltage-mode control; no PMBus, no EEPROM, no differential sensing. | Targeted at high-power resonant LLC/PFC combos; lacks remote telemetry and digital configurability. | Select UCC28950RTJT when cost-sensitive, fixed-function, high-power analog control suffices and digital diagnostics are unnecessary. |
| ISL68201IRAZ-T7A | Single-channel digital multiphase controller with integrated MOSFET drivers; supports up to 8 phases; no unregulated channel or ACSNS feedforward. | Optimized for CPU/GPU VRMs; lacks dual independent regulated outputs and isolated supply support. | Select ISL68201IRAZ-T7A for high-current, low-voltage POL applications where integrated drivers reduce component count but multi-rail flexibility is secondary. |
Compared with UCC28950RTJT and ISL68201IRAZ-T7A, the ADP1053ACPZ-R7 uniquely combines dual independent regulated outputs with differential sensing, unregulated channel support, ACSNS feedforward, and full PMBus programmability-making it suitable for complex, multi-rail, isolated/nonisolated hybrid power architectures requiring field-updatable configurations and comprehensive telemetry.
Availability
ADP1053ACPZ-R7 is available at Aetrix Electronics and suitable for AC-to-DC power supplies, isolated DC-DC power supplies, and intermediate rail power supplies requiring stable component supply, long-term lifecycle support, and traceable sourcing for industrial and telecom infrastructure programs.
Supply support for ADP1053ACPZ-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 with precision power, sensing, and connectivity solutions.
The ADP1053ACPZ-R7 belongs to Analog Devices' digital power controller product line, designed specifically for intelligent, software-configurable DC-DC conversion in isolated and nonisolated topologies-emphasizing system-level energy efficiency, reliability, and remote manageability.
FAQ
What is the primary function of the ADP1053ACPZ-R7 in a power supply design?
The ADP1053ACPZ-R7 serves as a fully programmable 3-channel digital power supply controller, managing up to two regulated DC-DC outputs and one unregulated output using voltage-mode PWM with 625 ps resolution. It provides closed-loop regulation, real-time telemetry, and comprehensive protection-enabling intelligent power management in isolated and nonisolated converters without requiring external microcontrollers or analog compensation networks.
Does the ADP1053ACPZ-R7 support differential voltage sensing, and how is it implemented?
Yes, the ADP1053ACPZ-R7 supports true differential voltage sensing on both Channel A and Channel B via dedicated VS+_A/VS−_A and VS+_B/VS−_B pin pairs. These inputs connect directly across the output load to reject PCB trace resistance errors, with 12-bit ADCs providing ±2.1% full-scale accuracy and 100 Hz update rate-ensuring precise regulation under varying load and thermal conditions.
How does the ADP1053ACPZ-R7 handle overcurrent protection across its channels?
The ADP1053ACPZ-R7 implements dual-path overcurrent protection: fast OCP (110 ns latency) via CS1_A/CS1_B pins for immediate shutdown during hard shorts, and high-accuracy differential current sensing via CS2±_A/CS2±_B (120 mV FSR, ±2.1% FSR accuracy) for precise current reporting and soft-limiting. Each regulated channel has independent OCP thresholds and fault flags, preventing cascading failures.
Can the ADP1053ACPZ-R7 operate in interleaved configurations, and what balancing features does it provide?
Yes, the ADP1053ACPZ-R7 supports interleaved operation with volt-second balance and dual-phase current balance algorithms. These features dynamically adjust PWM timing and duty cycles across multiple phases to equalize energy transfer and current sharing-reducing output ripple, improving thermal distribution, and lowering EMI emissions in multi-phase buck or forward converters.
What interface and programming options are available for configuring the ADP1053ACPZ-R7?
The ADP1053ACPZ-R7 uses a PMBus/I²C interface (100–400 kHz) for full register access, calibration, fault flag reading, and EEPROM programming. Configuration is supported by Analog Devices' graphical user interface (GUI), which enables drag-and-drop parameter setup, real-time waveform monitoring, and one-click EEPROM save/load-eliminating manual command-line scripting for most design tasks.
ADP1053ACPZ-R7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 40-WFQFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Applications:
- Power Supply Controller/Monitor
- Voltage - Input:
- 0V ~ 1.6V
- Voltage - Supply:
- 3V ~ 3.6V
- Current - Supply:
- 30 mA
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 40-LFCSP-WQ (6x6)
ADP1053ACPZ-R7 FAQ
1.How can I place an order for ADP1053ACPZ-R7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADP1053ACPZ-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 ADP1053ACPZ-R7 reliable?
The price and inventory of ADP1053ACPZ-R7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADP1053ACPZ-R7 is usually 5 days.
3.What payment methods are accepted for ADP1053ACPZ-R7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADP1053ACPZ-R7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADP1053ACPZ-R7?
ADP1053ACPZ-R7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADP1053ACPZ-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 ADP1053ACPZ-R7?
For technical support, including ADP1053ACPZ-R7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADP1053ACPZ-R7 requirements.
6.How does Aetrix verify that ADP1053ACPZ-R7 is sourced from the original manufacturer or authorized distributors?
All ADP1053ACPZ-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 ADP1053ACPZ-R7 meets industry standards.
7.What is the process for return or replacement of ADP1053ACPZ-R7?
All ADP1053ACPZ-R7 units undergo pre-shipment inspection (PSI). If there is an issue with ADP1053ACPZ-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 ADP1053ACPZ-R7 part is unused and in its original packaging.
Return procedure for ADP1053ACPZ-R7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADP1053ACPZ-R7 Tags

-
UC3845AD8TR
Texas Instruments

-
UC2843AD8TR
Texas Instruments

-
LM3880MFX-1AE/NOPB
Texas Instruments

-
LM3880MFX-1AA/NOPB
Texas Instruments

-
INA234AIYBJR
Texas Instruments

-
INA700AYWFR
Texas Instruments

-
LM3880MF-1AE/NOPB
Texas Instruments

-
LM3880MF-1AA/NOPB
Texas Instruments

-
LM3881MM/NOPB
Texas Instruments

-
UCC2802DTR
Texas Instruments

-
NCP4305DMTTWG
onsemi
-
INA237AIDGSR
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…

