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Renesas ZSPM9010ZA1R
- Part No.:
- ZSPM9010ZA1R
- Manufacturer:
- Renesas
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ZSPM9010ZA1R.pdf
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- IC REG PQFN
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Product details
Overview
ZSPM9010ZA1R from Integrated Device Technology (IDT) is a fully integrated DrMOS power stage combining driver IC, high-side and low-side N-channel MOSFETs, and bootstrap Schottky diode in a 6 mm × 6 mm PQFN40 package. It delivers up to 50 A peak output current, supports switching frequencies up to 1 MHz, and operates with 3–15 V input voltage for synchronous buck DC-DC conversion in high-density server and telecom POL supplies.
For engineers reviewing the ZSPM9010ZA1R datasheet, ZSPM9010ZA1R pinout, ZSPM9010ZA1R application, or ZSPM9010ZA1R equivalent, key selection criteria include tri-state 3.3 V PWM compatibility, thermal warning flag (THWN#), adaptive dead-time control, Skip Mode (SMOD#) support, and Intel® 4.0 DrMOS compliance - all validated for high-current, high-frequency point-of-load regulation.
Technical Context
The ZSPM9010ZA1R implements an adaptive gate drive architecture that monitors GL voltage and VSWH node to dynamically adjust dead times-tD_DEADON = 10 ns and tD_DEADOFF = 12 ns-preventing shoot-through while enabling fast transitions. Its integrated bootstrap Schottky diode (VF = 0.35 V at 10 mA) and copper-clip PQFN40 package reduce parasitic inductance and thermal resistance (θJPCB = 3.5 °C/W).
It features dual supply domains: VCIN/VDRV = 4.5–5.5 V for logic and gate drive, and VIN = 3–15 V for power stage operation. The tri-state PWM interface supports phase shedding via a defined hold-off time (tD_HOLD-OFF = 160–200 ns), and SMOD# enables low-side gate turn-off during light-load discontinuous conduction mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Output Current | 50 A at fSW = 300 kHz, VIN = 12 V, VOUT = 1.0 V - defines maximum transient load capability without thermal shutdown |
| Switching Frequency Support | Up to 1 MHz - enables compact magnetics and high transient response in space-constrained POL designs |
| UVLO Threshold | 3.1 V (rising) with 0.4 V hysteresis - ensures robust startup and brown-out protection for VCIN supply |
| Thermal Warning Activation | 150 °C junction temperature (THWN# active), reset at 135 °C - provides early over-temperature alert without disabling operation |
| Tri-State Hold-Off Time | 160–200 ns - guarantees reliable entry into tri-state shutdown mode for multi-phase phase shedding |
| High-Side Rise/Fall Time | tR_GH = 6 ns, tF_GH = 5 ns - minimizes switching losses and reduces EMI generation in high-dV/dt applications |
| Low-Side Sink Impedance | RSINK_GL = 0.5 Ω at 100 mA - ensures strong gate discharge for fast low-side turn-off and reduced conduction loss |
Pinout & Package
Package: Thermally enhanced PQFN40 (6 mm × 6 mm, 0.85 mm height), RoHS-compliant, green packaging.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Power input supply rail | Connects to main DC bus (3–15 V); feeds high-side MOSFET drain and bootstrap circuit reference |
| PHASE | Switch node | Drives buck inductor; voltage swings between PGND and VIN; critical for layout low-inductance routing |
| BOOT | Bootstrap capacitor connection | Provides floating bias for high-side driver; internal Schottky diode charges external CBOOT during low-side conduction |
| GH | High-side gate driver output | Directly drives high-side MOSFET gate; in-phase with PWM; adaptive timing prevents shoot-through |
| GL | Low-side gate driver output | Directly drives low-side MOSFET gate; 180° out-of-phase with PWM; includes adaptive dead-time control |
| PWM | Tri-state logic input | Accepts 3.3 V logic; windowed thresholds (VTRI_LO = 0.70–1.19 V, VTRI_HI = 1.84–2.56 V) enable phase shedding |
| SMOD# | Skip Mode control input | Active-low signal disables low-side gate drive during light load to prevent reverse inductor current and improve efficiency |
| DISB# | Driver disable input | Active-low; forces GH/GL LOW regardless of PWM state; internal 10 µA pull-down ensures safe default |
| THWN# | Open-drain thermal warning flag | Asserts LOW at 150 °C junction; requires external pull-up to VCIN; does not disable device |
| VCIN / VDRV | Logic & gate drive supply inputs | Separate 4.5–5.5 V supplies for logic core and gate drivers; UVLO protects both domains independently |
| PGND / CGND | Power & control ground returns | Separated grounds minimize noise coupling; PGND carries high di/dt currents; CGND routes logic references |
Key Features
| Feature | Design Value |
|---|---|
| Intel® 4.0 DrMOS compliance | Guarantees interoperability with industry-standard digital PWM controllers including IDT ZSPM1000 |
| Integrated bootstrap Schottky diode | Eliminates external diode, reduces BOM count, and improves bootstrap recharge reliability at high fSW |
| Adaptive dead-time control | Dynamically adjusts tD_DEADON/tD_DEADOFF based on GL and VSWH sensing - no fixed timing compromises |
| Skip Mode (SMOD#) | Enables DCM operation by disabling low-side gate drive under light load - boosts efficiency without controller changes |
| Thermal warning flag (THWN#) | Provides system-level thermal monitoring at 150 °C with hysteresis - supports predictive thermal management |
| Copper-clip PQFN40 package | Reduces RDS(ON) and thermal resistance (θJPCB = 3.5 °C/W), enabling 50 A operation with natural convection |
Applications
| Server VRMs | Telecom Switch Power |
|---|---|
|
Use Scenario: 12 V input, 0.8–1.8 V output, multi-phase buck converters supplying CPU/GPU cores in 1U/2U rack servers. IC Role / Device Role / Timing Role: High-current DrMOS power stage delivering up to 50 A per phase with 1 MHz switching for fast transient response. Use Value: 72% board area reduction vs. discrete solutions and >93% peak efficiency enable higher power density and lower cooling cost. |
Use Scenario: Point-of-load regulation for FPGA, ASIC, and SerDes supplies in carrier-grade Ethernet switches and packet processors. IC Role / Device Role / Timing Role: Synchronous buck power stage with tri-state PWM support for dynamic phase shedding across varying traffic loads. Use Value: Adaptive dead-time and integrated Schottky diode suppress ringing and eliminate snubber components - simplifying layout and improving EMI margin. |
| Gaming Motherboard VRMs | Industrial Embedded Computing |
|
Use Scenario: High-transient, multi-phase CPU VRMs on ATX motherboards supporting overclocked desktop processors. IC Role / Device Role / Timing Role: DrMOS stage operating at 500 kHz–1 MHz with thermal warning flag for real-time junction temperature monitoring. Use Value: THWN# flag enables BIOS-level thermal throttling before critical junction temperature (150 °C) is reached - enhancing system reliability. |
Use Scenario: Compact, fanless POL supplies in ruggedized industrial PCs and edge AI inference modules requiring -40°C to +125°C operation. IC Role / Device Role / Timing Role: Fully integrated power stage with UVLO, DISB#, and SMOD# enabling robust start-up, fault recovery, and light-load optimization. Use Value: Single 3.3 V tri-state PWM interface and wide VIN range (3–15 V) simplify controller integration and support diverse input sources including PoE-derived rails. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar DrMOS power stage applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Infineon IR35201MTRPBF | 40 A rated, 5 × 6 mm PQFN, supports up to 1.2 MHz but lacks integrated bootstrap diode and THWN# flag | Requires external bootstrap diode and separate thermal monitoring circuitry; less suitable for ultra-compact, self-contained designs | Prefer ZSPM9010ZA1R when thermal visibility, snubber elimination, and board area minimization are critical |
| Vishay SiC433ED-T1-GE3 | 45 A rated, 5 × 6 mm MLP, includes thermal monitor but uses non-tri-state PWM and lacks Skip Mode control | Cannot perform phase shedding via PWM tri-state; SMOD# functionality absent limits light-load efficiency optimization | Choose ZSPM9010ZA1R for systems requiring coordinated multi-phase control and DCM efficiency enhancement |
Compared with IR35201MTRPBF and SiC433ED-T1-GE3, the ZSPM9010ZA1R uniquely integrates bootstrap Schottky diode, THWN# flag, and SMOD#-enabled Skip Mode within Intel® 4.0-compliant tri-state PWM architecture - delivering superior integration, thermal awareness, and light-load performance in space-constrained POL applications.
Availability
ZSPM9010ZA1R is available at Aetrix Electronics and suitable for server VRMs, telecom switch power, gaming motherboard voltage regulators, and industrial embedded computing applications requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.
Supply support for ZSPM9010ZA1R 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
Integrated Device Technology (IDT), now part of Renesas Electronics, is a fabless semiconductor company specializing in timing, memory interface, RF, and power management ICs for communications, computing, and industrial markets.
The ZSPM9010ZA1R belongs to IDT's DrMOS product line, engineered specifically for high-efficiency, high-density synchronous buck conversion in next-generation point-of-load applications where integration, thermal intelligence, and multi-phase scalability are essential.
FAQ
What is the maximum continuous output current rating for the ZSPM9010ZA1R?
The ZSPM9010ZA1R is rated for 40 A average output current and 50 A peak output current under specified conditions: fSW = 300 kHz, VIN = 12 V, VOUT = 1.0 V, TAMB = 25°C, and natural convection cooling on a standard evaluation board. Actual current capability depends on PCB thermal design, ambient temperature, and switching frequency - derating applies above 300 kHz or elevated ambient temperatures.
Does the ZSPM9010ZA1R require an external bootstrap diode?
No, the ZSPM9010ZA1R integrates a bootstrap Schottky diode with VF = 0.35 V at 10 mA and VR = 22 V. This eliminates the need for an external diode, reduces component count, improves bootstrap capacitor recharge reliability, and contributes to the device's 72% board area savings versus discrete solutions.
How does the thermal warning flag (THWN#) function in the ZSPM9010ZA1R?
The THWN# pin is an open-drain output that pulls LOW when the driver IC junction temperature reaches 150 °C and returns to high-impedance at 135 °C. It requires an external pull-up resistor to VCIN. Critically, THWN# assertion does not disable the ZSPM9010ZA1R - it serves solely as a system-level thermal alert for host controller monitoring and throttling decisions.
Can the ZSPM9010ZA1R be used with non-IDT PWM controllers?
Yes, the ZSPM9010ZA1R is Intel® 4.0 DrMOS-compliant and compatible with any 3.3 V tri-state PWM controller meeting its input thresholds: VIH_PWM = 1.88–2.61 V, VIL_PWM = 0.62–1.13 V, and tri-state window VTRI_LO/VTRI_HI = 0.70–1.19 V / 1.84–2.56 V. It has been validated with IDT ZSPM1000 but interoperates with TI, MPS, and Richtek digital controllers supporting the standard.
What is the purpose of the SMOD# pin on the ZSPM9010ZA1R?
The SMOD# (Skip Mode) pin is an active-low input that disables the low-side MOSFET gate drive during light-load conditions. When asserted, it prevents reverse inductor current flow and associated conduction losses, enabling discontinuous conduction mode (DCM) and improving light-load efficiency - a key feature for energy-sensitive server and telecom POL applications.
ZSPM9010ZA1R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- *
- Package/Case:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Function:
- -
- Output Configuration:
- -
- Topology:
- -
- Output Type:
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- -
- Voltage - Input (Min):
- -
- Voltage - Input (Max):
- -
- Voltage - Output (Min/Fixed):
- -
- Voltage - Output (Max):
- -
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- -
- Frequency - Switching:
- -
- Synchronous Rectifier:
- -
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ZSPM9010ZA1R FAQ
1.How can I place an order for ZSPM9010ZA1R through Aetrix?
Please submit a Request for Quotation (RFQ) for ZSPM9010ZA1R 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 ZSPM9010ZA1R reliable?
The price and inventory of ZSPM9010ZA1R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSPM9010ZA1R is usually 5 days.
3.What payment methods are accepted for ZSPM9010ZA1R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSPM9010ZA1R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZSPM9010ZA1R?
ZSPM9010ZA1R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZSPM9010ZA1R 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 ZSPM9010ZA1R?
For technical support, including ZSPM9010ZA1R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSPM9010ZA1R requirements.
6.How does Aetrix verify that ZSPM9010ZA1R is sourced from the original manufacturer or authorized distributors?
All ZSPM9010ZA1R 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 ZSPM9010ZA1R meets industry standards.
7.What is the process for return or replacement of ZSPM9010ZA1R?
All ZSPM9010ZA1R units undergo pre-shipment inspection (PSI). If there is an issue with ZSPM9010ZA1R, 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 ZSPM9010ZA1R part is unused and in its original packaging.
Return procedure for ZSPM9010ZA1R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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