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Renesas P9145-I0NAGI8
- Part No.:
- P9145-I0NAGI8
- Manufacturer:
- Renesas
- Category:
- Power Management - Specialized
- Package:
- 100-VFLGA Dual Rows
- Datasheet:
-
P9145-I0NAGI8.pdf
- Description:
- IC PMIC PWR MGMT MULTI-CH
- Quantity:
- Payment:
- Shipping:
Inventory:1,273
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Product details
Overview
P9145-I0NAGI8 from Integrated Device Technology (IDT) is a programmable multi-channel power management IC (PMIC) for Intel® Atom™ SoCs, integrating seven current-mode step-down converters (2 MHz switching), seven LDOs, 16 GPIOs, 12 enable outputs, a 10-bit ADC, and SVID/IMVP7-compliant host interface. It supports scalable distributed power via IDTP9147 add-on sources and operates from 4.5–5.5 V input.
For engineers reviewing the P9145-I0NAGI8 datasheet, P9145-I0NAGI8 pinout, P9145-I0NAGI8 application, or P9145-I0NAGI8 equivalent, key selection considerations include IMVP7 protocol compliance, dual-row QFN-100 (8×8 mm) package compatibility, OTP-programmable power sequencing, high-speed I²C/SVID co-interface support, and distributed power scalability with IDTP9147.
Technical Context
The P9145-I0NAGI8 implements a tightly coupled PMIC architecture where seven synchronous buck regulators deliver core, memory, and I/O rails under dynamic SVID command from an Intel Atom SoC, while seven LDOs provide low-noise auxiliary supplies. Its 10-bit ADC monitors system voltages and temperatures, and 16 GPIOs support board-level control and status signaling.
Power sequencing is defined in OTP memory and executed autonomously at boot; the high-speed I²C interface enables runtime reconfiguration of voltage levels, timing, and enable states, while the dedicated SVID bus handles real-time VCC/VNN/VDDQ rail negotiation and thermal throttling signals per IMVP7 specification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5 V to 5.5 V - Supports standard 5 V system rail with ±10% tolerance for robust operation across industrial temperature grade. |
| Switching Frequency | 2.0 MHz - Enables use of compact external inductors and ceramic capacitors, reducing solution footprint and improving transient response. |
| Buck Regulators | 7 × current-mode - Provides independent, programmable output voltages for CPU cores, GPU, memory, and I/O domains with cycle-by-cycle current limiting. |
| LDOs | 7 × general-purpose - Delivers low-noise, low-dropout regulation for sensitive analog, reference, or always-on circuits without requiring external compensation. |
| ADC Resolution | 10-bit - Measures up to 16 analog inputs (e.g., rail voltages, thermal sensors) with ±1 LSB INL, enabling closed-loop margining and health monitoring. |
| Communication Interfaces | SVID + high-speed I²C - SVID handles real-time IMVP7-compliant rail control and telemetry; I²C configures non-SVID functions (GPIOs, LDOs, sequencing). |
| OTP Memory | On-chip - Stores default power-up sequence, voltage setpoints, timing delays, and fault thresholds-no external configuration required at boot. |
Pinout & Package
Package: 100-lead, 8 mm × 8 mm, dual-row QFN (NAG100, HLA type), exposed thermal pad, RoHS-compliant, industrial temperature grade (–40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Main input supply | Accepts 4.5–5.5 V; powers internal LDOs, bias circuitry, and buck controller logic. |
| VDDIO | I/O supply | Provides 3.3 V or 1.8 V logic-level supply for SVID/I²C interface pins and GPIO buffers. |
| SVID_CLK / SVID_DATA | SVID interface pair | Dedicated differential-capable bus for IMVP7-compliant communication with Intel Atom host processor. |
| I2C_SDA / I2C_SCL | High-speed I²C interface | 400 kHz–1 MHz configurable bus for configuring non-SVID functions (LDOs, GPIOs, sequencing). |
| ENx (x=1–12) | Programmable enable outputs | Open-drain or push-pull outputs driving external FET gates or power-good signals for sequenced rail activation. |
| GPIO[0:15] | General-purpose I/O | Configurable as input (with pull-up/down), output, or interrupt source; supports level- or edge-triggered events. |
Key Features
| Feature | Design Value |
|---|---|
| IMVP7-compliant SVID interface | Enables direct, standards-based voltage/frequency scaling and thermal management coordination with Intel Atom SoCs without custom firmware. |
| Scalable distributed power architecture | Supports seamless integration of IDTP9147 add-on buck modules to increase total output current beyond monolithic limits. |
| OTP-programmable power sequence | Eliminates need for external EEPROM or FPGA-based sequencing logic; reduces BOM count and boot-time dependency on host software. |
| Integrated 10-bit ADC | Monitors up to 16 analog inputs-including rail voltages, die temperature, and external sensor signals-for real-time health diagnostics and margining. |
| 16 programmable GPIOs | Provide flexible board-level control-e.g., fan speed, LED indicators, reset assertion, or status feedback-without adding discrete logic. |
Applications
| Intel Atom-Based Embedded Systems | Low-Power Industrial Controllers |
|---|---|
Use Scenario: Fanless embedded computing platform for machine vision or edge AI inference using Intel Atom E3900 series SoC. IC Role / Device Role / Timing Role: Centralized power controller managing core, graphics, DDR3L, and PCIe I/O rails with precise IMVP7-synchronized voltage scaling. Use Value: Reduces PCB area by consolidating 14 discrete regulators and sequencers into one QFN-100 device while maintaining full Intel compliance. | Use Scenario: Programmable logic controller (PLC) with isolated I/O, real-time Ethernet, and extended temperature operation. IC Role / Device Role / Timing Role: Primary PMIC delivering regulated 1.05 V (core), 1.2 V (DDR), 3.3 V (I/O), and 5 V (isolated interface) rails with autonomous cold-boot sequencing. Use Value: OTP-stored sequence ensures deterministic power-up across –40°C to +85°C without host intervention or external configuration memory. |
| Network Edge Routers | Medical Diagnostic Handhelds |
Use Scenario: Compact 4-port managed switch with integrated packet processing SoC and PoE-powered peripherals. IC Role / Device Role / Timing Role: Dual-role PMIC: SVID manages SoC rails; high-speed I²C configures LDOs and GPIOs for PHY biasing, fan control, and status LEDs. Use Value: Enables simultaneous SVID real-time control and independent I²C-based peripheral management-no resource contention or arbitration delay. | Use Scenario: Battery-powered ultrasound probe with low-noise analog front-end and touch UI. IC Role / Device Role / Timing Role: Power manager supplying clean, sequenced rails to RF transceiver, ADC/DAC, and display driver while monitoring battery voltage and temperature via integrated ADC. Use Value: 10-bit ADC eliminates need for external monitoring IC; LDOs ensure <10 µV RMS noise on analog supply rails critical for SNR performance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multi-rail PMIC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RTQ2136B-QA | 6-buck + 4-LDO, no SVID; uses I²C-only control; lacks OTP sequencing and ADC. | Targeted at ARM-based designs without IMVP7 requirements; lower integration density. | Select when SVID is unnecessary and cost-sensitive BOM reduction outweighs sequencing flexibility. |
| ISL95832 | 7-buck + 4-LDO, supports IMVP8 but not IMVP7; requires external EEPROM for sequencing; no integrated ADC or GPIOs. | Designed for newer Intel Core platforms; incompatible with Atom IMVP7 handshake and timing constraints. | Select only for post-Atom platforms; not drop-in compatible with P9145-I0NAGI8 due to protocol and feature mismatch. |
Compared with RTQ2136B-QA and ISL95832, the P9145-I0NAGI8 uniquely combines IMVP7 SVID compliance, OTP-programmed sequencing, integrated ADC, and GPIOs in a single 100-pin QFN-making it the only validated option for Intel Atom E3900-class embedded systems requiring guaranteed boot reliability and minimal external components.
Availability
P9145-I0NAGI8 is available at Aetrix Electronics and suitable for Intel Atom-based embedded systems, low-power industrial controllers, network edge routers, and medical handheld devices requiring stable component supply and long-term lifecycle support.
Supply support for P9145-I0NAGI8 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) was a fabless semiconductor company specializing in timing, memory interface, RF, and power management solutions before its acquisition by Renesas Electronics in 2019.
The IDTP9145 product line delivers highly integrated, SoC-specific PMICs targeting Intel Atom platforms, emphasizing IMVP7 compliance, minimal board space, and autonomous power sequencing for fanless and thermally constrained embedded applications.
FAQ
What is the operating temperature range for P9145-I0NAGI8?
The P9145-I0NAGI8 is rated for industrial temperature operation from –40°C to +85°C. This range is validated across all functional blocks-including buck regulators, LDOs, SVID interface, and ADC-and applies to both TRAY and Reel packaging variants. Thermal derating curves and junction-to-ambient thermal resistance (θJA) are specified in the official IDT preliminary datasheet for NAG100 package. The P9145-I0NAGI8 maintains full IMVP7 timing compliance and OTP sequencing integrity across this full range.
Does P9145-I0NAGI8 support pin-compatible replacement with P9145-I0NQGI8?
No, P9145-I0NAGI8 and P9145-I0NQGI8 are not pin-compatible. While both are 100-lead packages, P9145-I0NAGI8 uses the NAG100 (HLA) QFN variant, whereas P9145-I0NQGI8 uses the NQG100 (VFQFPN) variant-differing in land pattern, thermal pad design, and pin assignment. The P9145-I0NAGI8 datasheet explicitly defines pinouts only for NAG100; migration requires PCB redesign. Both share identical electrical functionality and OTP programming.
Can P9145-I0NAGI8 operate without an external SVID host processor?
Yes, the P9145-I0NAGI8 can operate in standalone mode using its OTP-programmed defaults: fixed output voltages, pre-defined sequencing, and static enable states. SVID is optional for dynamic control; all 7 buck regulators and 7 LDOs retain valid output settings at power-up without SVID activity. However, features like real-time voltage scaling, thermal throttling, and rail-specific fault reporting require active SVID communication with an Intel Atom SoC. The P9145-I0NAGI8 remains fully functional as a fixed-sequence PMIC without SVID.
How many voltage rails can be monitored using the integrated ADC in P9145-I0NAGI8?
The P9145-I0NAGI8 integrates a 10-bit ADC capable of monitoring up to 16 analog inputs, including internal rail voltages (e.g., VIN, VDDIO), external temperature sensors, and user-defined analog signals routed to dedicated ADC input pins. Each channel is programmable for single-shot or continuous conversion modes, with results accessible via I²C register reads. The ADC's ±1 LSB integral nonlinearity and 1.2 V reference ensure accurate margining and health monitoring across the industrial temperature range of the P9145-I0NAGI8.
Is the OTP memory in P9145-I0NAGI8 field-programmable or factory-programmed only?
The OTP memory in P9145-I0NAGI8 is factory-programmed during final test and cannot be reprogrammed in the field. It stores immutable power-up defaults-including voltage setpoints, sequencing order, timing delays, and fault thresholds-ensuring deterministic behavior at every boot. Runtime configuration (e.g., dynamic voltage changes, GPIO direction) is handled via volatile I²C or SVID registers. No external programming hardware or special voltage sequences are required to use the P9145-I0NAGI8; OTP content is verified and locked prior to shipment.
P9145-I0NAGI8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 100-VFLGA Dual Rows
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Applications:
- Processor-Based Systems
- Current - Supply:
- -
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 100-LGA (9x9)
P9145-I0NAGI8 FAQ
1.How can I place an order for P9145-I0NAGI8 through Aetrix?
Please submit a Request for Quotation (RFQ) for P9145-I0NAGI8 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 P9145-I0NAGI8 reliable?
The price and inventory of P9145-I0NAGI8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P9145-I0NAGI8 is usually 5 days.
3.What payment methods are accepted for P9145-I0NAGI8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P9145-I0NAGI8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P9145-I0NAGI8?
P9145-I0NAGI8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P9145-I0NAGI8 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 P9145-I0NAGI8?
For technical support, including P9145-I0NAGI8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P9145-I0NAGI8 requirements.
6.How does Aetrix verify that P9145-I0NAGI8 is sourced from the original manufacturer or authorized distributors?
All P9145-I0NAGI8 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 P9145-I0NAGI8 meets industry standards.
7.What is the process for return or replacement of P9145-I0NAGI8?
All P9145-I0NAGI8 units undergo pre-shipment inspection (PSI). If there is an issue with P9145-I0NAGI8, 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 P9145-I0NAGI8 part is unused and in its original packaging.
Return procedure for P9145-I0NAGI8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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