Renesas ZSPM1363BA1R1
- Part No.:
- ZSPM1363BA1R1
- Manufacturer:
- Renesas
- Package:
- -
- Datasheet:
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ZSPM1363BA1R1.pdf
- Description:
- IC REG PQFN
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Product details
Overview
ZSPM1363BA1R1 from Renesas Electronics (formerly IDT) is a true-digital, dual-phase, single-rail PWM controller for high-current synchronous step-down DC/DC converters. It features programmable digital control loop (Tru-sample™, State-Law Control™, Sub-cycle Response™), 32-pin QFN (5mm × 5mm), -40°C to +125°C operation, I²C/PMBus™ interface, and on-chip OTP NVM.
For engineers reviewing the ZSPM1363BA1R1 datasheet, ZSPM1363BA1R1 pinout, ZSPM1363BA1R1 application, or ZSPM1363BA1R1 equivalent, key selection considerations include dual-phase current balancing, phase-add/drop power modes, VIN feed-forward, DCM/COT operation at light load, and configurable protection thresholds via Pink Power Designer™ GUI.
Technical Context
The ZSPM1363BA1R1 implements an adaptive digital control architecture with three proprietary techniques: Tru-sample™ for precise voltage sampling, State-Law Control™ for dynamic loop response tuning, and Sub-cycle Response™ for sub-switching-cycle correction. It supports both continuous and discontinuous conduction modes with automatic phase dropping and constant-on-time (COT) control in DCM.
Its dual-phase topology enables current balancing between phases, synchronized PWM outputs with tri-state capability, and integrated housekeeping functions including 1.8V/3.3V/5V internal regulators, temperature sensing, and ADC-based voltage/current monitoring. All configuration and fault logging are managed via SMBus/I²C with PMBus™-compliant command set.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Topology | Dual-phase, synchronous buck (single-rail input) |
| Control Method | Programmable digital loop with Tru-sample™, SLC, SCR |
| Input Voltage Range | Single-rail VIN: supports 3.3V or 5V supply; VOUT max = 5V |
| Operating Temp | -40°C to +125°C - qualified for industrial and telecom base station environments |
| Package | 32-pin QFN, 5mm × 5mm, RoHS-compliant, lead-free |
| Interface | I²C/SMBus with PMBus™ command set; no external address resistors required |
| Memory | Fuse-based OTP NVM for persistent configuration storage and field reprogramming |
Pinout & Package
Package: 32-pin QFN (5mm × 5mm), exposed thermal pad, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Main input supply rail | Accepts 3.3V or 5V single-rail input; powers internal regulators and drivers |
| VDD50 / VDD33 / VDD18 / AVDD18 | Internal regulator outputs | Provide regulated 5V, 3.3V, and dual 1.8V (analog/digital) rails for internal circuitry |
| PWM0 / PWM1 | Phase gate drive outputs | Tri-state, synchronous PWM signals driving external MOSFET drivers; support phase add/drop |
| ISNSP0/ISNSN0, ISNSP1/ISNSN1 | Differential current sense inputs | Enable average current sensing per phase for precise current balancing and OCP |
| VFBP/VFBN | Differential output voltage feedback | High-precision remote sensing of VOUT; supports sequencing and tracking via VTRACK |
| SDA / SCL / SMBALERT# | PMBus™ interface pins | Standard SMBus 2.0 compliant; support read/write of telemetry, faults, and configuration |
| PGOOD | Power-good status indicator | Open-drain output asserting when VOUT is within ±1% regulation window and all protections inactive |
| RTUNE / RVSET | Pin-strapped configuration inputs | Set loop compensation and output voltage reference without EEPROM programming |
Key Features
| Feature | Design Value |
|---|---|
| Dual-phase current balancing | Hardware-enforced matching of phase currents within ±3% across load range, enabling scalable high-current designs |
| Sub-cycle Response™ (SCR) | Corrects output deviation within one switching cycle - reduces transient undershoot/overshoot by up to 40% vs analog controllers |
| Discontinuous conduction mode (DCM) + COT | Automatically enters DCM at light load; uses constant-on-time control to maintain regulation and efficiency down to 1% load |
| Configurable protection suite | Independent OV/UV on VIN and VOUT, programmable OCP with fast restart delay, and overloaded startup detection |
| VOUT sequencing & tracking | Supports external VTRACK input and sequencer-triggered ramp-up/down for multi-rail systems (e.g., FPGA core/I/O rails) |
Applications
| Telecom Switches | Servers and Storage |
|---|---|
Use Scenario: High-density line card power with dynamic load steps from packet processing ASICs. IC Role / Device Role / Timing Role: Dual-phase synchronous buck controller regulating 1.2V/60A core supply with sub-10µs transient recovery. Use Value: SCR and State-Law Control™ reduce voltage deviation to <±15mV during 50A/µs load steps, eliminating need for bulk capacitance overhead. | Use Scenario: CPU/GPU VR13-compatible power delivery in 1U rack servers. IC Role / Device Role / Timing Role: Single-rail, dual-phase controller managing 0.8–1.8V output with PMBus™ telemetry and phase shedding. Use Value: Programmable OTP memory stores per-server VOUT profiles; phase drop at <30% load improves full-system efficiency by 2.1% at idle. |
| Base Stations | Network Routers |
Use Scenario: Remote radio head (RRH) power with wide ambient temperature variation (-40°C to +85°C). IC Role / Device Role / Timing Role: Industrial-grade dual-phase controller delivering 3.3V/25A with internal temp sensing and derating logic. Use Value: On-die temperature sensor feeds real-time thermal data to host MCU via PMBus™, enabling dynamic frequency scaling before thermal throttling. | Use Scenario: Line-card power for 10G/25G Ethernet switch fabric ASICs. IC Role / Device Role / Timing Role: Configurable dual-phase controller supporting 1.0V/40A core rail with sequencing to I/O and SerDes supplies. Use Value: VTRACK-enabled output tracking ensures monotonic startup across 3-rail system; eliminates sequencing IC BOM cost. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-phase digital PWM controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS53689RTAR | TI part uses analog-Digital Hybrid control; no SCR or Tru-sample™; fixed 350kHz–1MHz freq range vs ZSPM1363BA1R1's fully programmable loop bandwidth | Targeted at server VR12.5/VR13; lacks OTP NVM - requires external EEPROM for config persistence | Prefer when leveraging TI's Fusion Digital Power Designer ecosystem and lower-cost external memory is acceptable |
| ISL68127IRAZ | Renesas (ex-Intersil) part supports 3-phase operation; includes integrated MOSFET drivers; no COT mode in DCM | Better suited for >80A applications; higher pin count (40-QFN); no VTRACK pin for external tracking | Choose for higher current scalability and driver integration; avoid if strict 32-pin footprint or VTRACK sequencing is required |
Compared with TPS53689RTAR and ISL68127IRAZ, the ZSPM1363BA1R1 uniquely combines sub-cycle correction, fuse-based OTP, and VTRACK-enabled sequencing in a compact 32-pin QFN - making it optimal for space-constrained, thermally demanding telecom and networking platforms requiring field-reprogrammable stability.
Availability
ZSPM1363BA1R1 is available at Aetrix Electronics and suitable for telecom switches, server VRMs, and base station RF power supplies requiring stable component supply, long-term lifecycle assurance, and PMBus™-enabled telemetry.
Supply support for ZSPM1363BA1R1 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
Renesas Electronics Corporation is a global semiconductor leader delivering microcontrollers, analog power, and SoC solutions for automotive, industrial, infrastructure, and IoT markets.
The ZSPM1363BA1R1 belongs to Renesas' digital power controller product line, designed specifically for high-efficiency, high-density, and software-configurable DC/DC conversion in telecom, enterprise computing, and wireless infrastructure.
FAQ
What is the operating temperature range supported by the ZSPM1363BA1R1?
The ZSPM1363BA1R1 is rated for operation from -40°C to +125°C ambient temperature. This extended range is validated per industrial-grade qualification standards and enables deployment in base station outdoor units, telecom line cards, and high-temperature server chassis without derating. The device integrates an on-die temperature sensor feeding real-time data via PMBus™ for thermal management.
Does the ZSPM1363BA1R1 require external configuration memory?
No, the ZSPM1363BA1R1 includes on-chip fuse-based one-time programmable (OTP) NVM that stores all configuration parameters, protection thresholds, and loop compensation settings. This eliminates the need for external EEPROM or Flash memory, reducing BOM count and board area while ensuring configuration persistence across power cycles and field updates.
Can the ZSPM1363BA1R1 operate in discontinuous conduction mode (DCM)?
Yes, the ZSPM1363BA1R1 automatically transitions into discontinuous conduction mode at light loads and employs constant-on-time (COT) control to maintain tight output regulation. This feature improves light-load efficiency and eliminates audible noise associated with boundary conduction, making it suitable for systems with highly dynamic or bursty workloads like network packet processors.
How is the ZSPM1363BA1R1 configured during development and production?
The ZSPM1363BA1R1 is configured using the PC-based Pink Power Designer™ GUI via SMBus/I²C connection. Engineers define loop parameters, protection limits, sequencing behavior, and telemetry settings interactively. Configuration is written to on-chip OTP memory; no runtime host intervention is needed after initial programming, enabling autonomous operation in final systems.
What protection features are integrated into the ZSPM1363BA1R1?
The ZSPM1363BA1R1 integrates over-current (OCP), over-voltage (OVP) and under-voltage (UVP) protection on both VIN and VOUT rails, overloaded startup detection, thermal shutdown with hysteresis, and configurable restart delay. All protections trigger fault logging in on-chip memory and assert SMBALERT# for system-level fault handling - critical for unattended telecom and data center deployments.
ZSPM1363BA1R1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- *
- Package/Case:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Last Time Buy
- Function:
- -
- Output Configuration:
- -
- Topology:
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- Output Type:
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- Number of Outputs:
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- Voltage - Input (Min):
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- Voltage - Input (Max):
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- Voltage - Output (Min/Fixed):
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- Voltage - Output (Max):
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- Current - Output:
- -
- Frequency - Switching:
- -
- Synchronous Rectifier:
- -
- Operating Temperature:
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- Grade:
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- Supplier Device Package:
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ZSPM1363BA1R1 FAQ
1.How can I place an order for ZSPM1363BA1R1 through Aetrix?
Please submit a Request for Quotation (RFQ) for ZSPM1363BA1R1 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 ZSPM1363BA1R1 reliable?
The price and inventory of ZSPM1363BA1R1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSPM1363BA1R1 is usually 5 days.
3.What payment methods are accepted for ZSPM1363BA1R1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSPM1363BA1R1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZSPM1363BA1R1?
ZSPM1363BA1R1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZSPM1363BA1R1 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 ZSPM1363BA1R1?
For technical support, including ZSPM1363BA1R1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSPM1363BA1R1 requirements.
6.How does Aetrix verify that ZSPM1363BA1R1 is sourced from the original manufacturer or authorized distributors?
All ZSPM1363BA1R1 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 ZSPM1363BA1R1 meets industry standards.
7.What is the process for return or replacement of ZSPM1363BA1R1?
All ZSPM1363BA1R1 units undergo pre-shipment inspection (PSI). If there is an issue with ZSPM1363BA1R1, 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 ZSPM1363BA1R1 part is unused and in its original packaging.
Return procedure for ZSPM1363BA1R1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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