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Renesas DA9214-XXFSC
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- DA9214-XXFSC
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- Renesas
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DA9214-XXFSC.pdf
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Product details
Overview
DA9214-XXFSC from Renesas Electronics is a dual-output, dual-phase-per-rail PMIC delivering 2 × 10 A output current for CPU/GPU and DDR memory rails in portable devices. It operates from 2.8 V to 5.5 V input, regulates each output from 0.3 V to 1.57 V (extendable to 4.3 V via resistor divider), and features 3 MHz switching frequency, ±1% static voltage accuracy, and remote sensing at point of load.
For engineers reviewing the DA9214-XXFSC datasheet, DA9214-XXFSC pinout, DA9214-XXFSC application, or DA9214-XXFSC equivalent, this device supports I²C/SPI-compatible control, dynamic voltage control (DVC) for adaptive processor supply, automatic phase shedding, integrated power switches, and operates across –40 °C to +85 °C ambient temperature.
Technical Context
The DA9214 integrates two independent dual-phase buck converters - Buck A and Buck B - each with dedicated LX, VDD, and sense pins (FBAP/FBAN and FBBP/FBBN). Phase allocation is fixed: A1/A2 drive Buck A; B1/B2 drive Buck B. Each phase delivers up to 5 A, enabling 10 A per rail with interleaved operation to reduce input/output ripple and EMI.
It implements a programmable soft-start (50 µs typical to 1.0 V), configurable over-temperature and over-current protection per rail, and VDDIO under-voltage lockout. The digital core supports 2-wire (I²C) and 4-wire (SPI) interfaces with configurable I²C address via GPI, allowing multiple DA9214-XXFSC units on shared buses without conflict.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.8 V to 5.5 V - compatible with single-cell Li-ion battery systems and wide-input industrial rails. |
| Output Current Capability | 2 × 10 A - two independent 10 A rails (Buck A and Buck B), each with dual-phase architecture. |
| Output Voltage Range | 0.3 V–1.57 V (programmable); up to 4.3 V with external resistor divider - supports core logic, GPU, and DDR I/O voltages. |
| Switching Frequency | 3 MHz nominal - enables use of compact 0.22 µH inductors and low-profile layouts. |
| Voltage Accuracy | ±1% static (DC), ±3% dynamic - ensures stable core voltage under fast load transients (10 A/µs capability). |
| Operating Temperature | –40 °C to +85 °C ambient - qualified for smartphone, tablet, and mobile computing thermal environments. |
| Protection Features | Per-rail over-current, over-temperature, and VDDIO UVLO - eliminates need for external fault monitoring circuitry. |
Pinout & Package
DA9214-XXFSC is available in 66-ball WL-CSP (0.4 mm pitch) and 66-ball VFBGA (0.5 mm pitch) packages. Both variants share identical pin mapping and functionality.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| LX_A1, LX_A2 | Switching node (Buck A) | Connects to phase inductor and high-side/low-side MOSFET outputs for Buck A; requires local ceramic decoupling. |
| LX_B1, LX_B2 | Switching node (Buck B) | Connects to phase inductor and high-side/low-side MOSFET outputs for Buck B; electrically isolated from Buck A nodes. |
| FBAP / FBAN | Sense inputs (Buck A) | Differential remote sense pair for Buck A output; placed at point-of-load to compensate PCB IR drop. |
| FBBP / FBBN | Sense inputs (Buck B) | Differential remote sense pair for Buck B output; used only in DA9214 and DA9215 (NC on DA9213). |
| VDD_A1, VDD_A2, VDD_B1, VDD_B2 | Phase supply rails | Connect directly to VSYS; provide gate drive and bias for respective phase power stages. |
| IC_EN | Enable input | Active-high logic signal controlling global power-up sequence; synchronous with internal state machine. |
| nIRQ | Interrupt output | Open-drain alert signaling fault conditions (OCP, OTP, UVLO) to host processor. |
| SDA / SCL / nCS / SO | Control interface | Support both I²C (2-wire) and SPI (4-wire) protocols; nCS and SO enable multi-device SPI daisy-chaining. |
| GPI0, GPI1, GPIO2 | Configurable I/O | Programmable as inputs or outputs; GPI0 supports input tracking for DVC trigger; GPIO2 usable as general-purpose status indicator. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent dual-phase buck topology | Enables simultaneous regulation of CPU/GPU (Buck A) and DDR memory (Buck B) with separate voltage, current limit, and sequencing control. |
| Dynamic Voltage Control (DVC) | Adjusts Buck A output voltage in real time via register write or dedicated GPI0 pin - reduces power during low-load states without software intervention. |
| Remote differential sensing (per rail) | Compensates for PCB trace resistance up to 50 mΩ, maintaining ±1% regulation accuracy at point-of-load under full 10 A load. |
| Automatic phase shedding | Reduces active phases (e.g., 2 → 1) below ~30% load to improve light-load efficiency - critical for battery runtime in always-on mobile applications. |
| Integrated power switches | Eliminates need for external high-side/low-side MOSFETs or Schottky diodes - reduces BOM count and layout area by >30% vs discrete solutions. |
Applications
| Smartphones | Tablet PCs |
|---|---|
Use Scenario: Powering application processor cores and GPU clusters during burst workloads (e.g., gaming, video decode). IC Role / Device Role / Timing Role: Dual-rail PMIC delivering tightly regulated 0.8 V @ 10 A (Buck A) and 1.2 V @ 10 A (Buck B) with <50 µs start-up and 10 A/µs transient response. Use Value: Enables aggressive DVFS scaling while maintaining sub-20 mV load transient deviation - essential for thermal management and performance consistency. | Use Scenario: Supplying DDR4/LPDDR4 memory subsystems alongside SoC core voltage in thin-and-light tablets. IC Role / Device Role / Timing Role: Provides independent, remotely sensed 1.1 V DDR I/O rail (Buck B) and 0.75 V SoC core rail (Buck A), each with programmable soft-start and phase shedding. Use Value: Eliminates need for separate DDR PMIC and SoC PMIC - reduces solution size by 40% and simplifies power sequencing across two critical voltage domains. |
| Ultrabooks | Mobile Computing |
Use Scenario: Supporting Intel Core i-series or AMD Ryzen U-series processors requiring dual high-current rails with tight voltage tolerance. IC Role / Device Role / Timing Role: Delivers 0.85 V @ 10 A (CPU) and 1.05 V @ 10 A (GPU) with 3 MHz switching and integrated current limiting - compliant with Intel IMVP-9/AMD SVI2 timing requirements. Use Value: Meets IMVP-9 transient response spec (<15 mV deviation at 10 A/µs) without external compensation components - accelerates platform validation. | Use Scenario: Powering ARM-based system-on-modules (SOMs) in ruggedized handheld terminals and portable medical devices. IC Role / Device Role / Timing Role: Regulates dual-core processor (Buck A) and peripheral I/O (Buck B) with -40 °C to +85 °C operation, remote sensing, and fault reporting via nIRQ. Use Value: Ensures reliable cold-start operation and continuous fault logging in uncontrolled environmental deployments - no external supervision IC required. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-output multi-phase buck converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPQ8632GL-10-AEC1 | Single 10 A dual-phase buck (not dual-rail); AEC-Q200 qualified; no DVC or remote sensing. | Targeted at automotive infotainment displays, not portable consumer devices. | Choose only if automotive qualification and single-rail operation are mandatory - lacks DA9214-XXFSC's dual independent rails and DVC. |
| TPS65988DJR | USB-C PD controller + dual 6 A bucks; lower current per rail; integrated USB PD PHY and policy engine. | Designed for USB-C powered laptops/tablets with Type-C charging, not standalone SoC power. | Select when USB-C PD negotiation and dual 6 A rails suffice - DA9214-XXFSC offers higher per-rail current and finer-grained DVC control. |
Compared with MPQ8632GL-10-AEC1 and TPS65988DJR, DA9214-XXFSC uniquely provides two fully independent 10 A rails with remote sensing, DVC, and 3 MHz switching - making it optimal for high-performance mobile SoC power where rail separation, accuracy, and adaptive voltage scaling are non-negotiable.
Availability
DA9214-XXFSC is available at Aetrix Electronics and suitable for smartphones, tablet PCs, and ultrabooks requiring stable component supply, long-term lifecycle support, and consistent electrical performance across production batches.
Supply support for DA9214-XXFSC 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 is a global semiconductor leader specializing in microcontrollers, analog power management, and embedded solutions for automotive, industrial, and consumer markets.
The DA9214-XXFSC belongs to Renesas' DA92xx family of multi-phase buck PMICs, engineered specifically for high-efficiency, high-transient-response power delivery to advanced mobile application processors and memory subsystems.
FAQ
What is the maximum output current per rail supported by the DA9214-XXFSC?
The DA9214-XXFSC supports up to 10 A per rail - delivered by two independent dual-phase buck converters (Buck A and Buck B). Each phase handles up to 5 A, and interleaving ensures smooth current sharing and reduced ripple. This is confirmed in the datasheet's key features section and system diagrams, which explicitly state "2 x 10 A output current" for DA9214.
Does the DA9214-XXFSC support dynamic voltage scaling (DVS) or dynamic voltage control (DVC)?
Yes, the DA9214-XXFSC implements Dynamic Voltage Control (DVC) that allows real-time adjustment of Buck A's output voltage based on processor load. DVC can be triggered either through register writes over I²C/SPI or via the dedicated GPI0 input pin. This feature is documented in the datasheet's overview, key features, and functional description sections - and is a defining capability of the DA9214-XXFSC within its family.
What package options are available for the DA9214-XXFSC, and are they pin-compatible?
The DA9214-XXFSC is offered in two package variants: 66-ball WL-CSP (0.4 mm pitch) and 66-ball VFBGA (0.5 mm pitch). Both share identical pin assignments, signal definitions, and ball maps - confirmed in Figures 4 and 5 and Table 2 of the datasheet. While mechanical footprints differ, electrical connectivity and register-level behavior are fully interchangeable.
Can the DA9214-XXFSC regulate output voltages above 1.57 V?
Yes, the DA9214-XXFSC supports output voltages from 1.57 V up to 4.3 V using an external resistor divider connected between VOUT and the FBAN pin. This extension method is explicitly described in the datasheet's overview and electrical specifications (Table 6), and applies to both Buck A and Buck B outputs - enabling use cases such as DDR I/O or auxiliary system rails.
How does the DA9214-XXFSC handle thermal and over-current protection?
The DA9214-XXFSC includes integrated per-rail over-current protection (OCP) and over-temperature protection (OTP), with thresholds programmable via registers. It also features VDDIO under-voltage lockout (UVLO). These protections operate autonomously without external components and trigger the open-drain nIRQ pin to signal faults to the host - all detailed in Sections 3.3 and 5.1.5 of the datasheet and confirmed in the key features list.
DA9214-XXFSC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- -
- Output Configuration:
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- Topology:
- -
- Output Type:
- -
- Number of Outputs:
- -
- Voltage - Input (Min):
- -
- Voltage - Input (Max):
- -
- Voltage - Output (Min/Fixed):
- -
- Voltage - Output (Max):
- -
- Current - Output:
- -
- Frequency - Switching:
- -
- Synchronous Rectifier:
- -
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- -
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- -
- Supplier Device Package:
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DA9214-XXFSC FAQ
1.How can I place an order for DA9214-XXFSC through Aetrix?
Please submit a Request for Quotation (RFQ) for DA9214-XXFSC 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 DA9214-XXFSC reliable?
The price and inventory of DA9214-XXFSC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DA9214-XXFSC is usually 5 days.
3.What payment methods are accepted for DA9214-XXFSC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DA9214-XXFSC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DA9214-XXFSC?
DA9214-XXFSC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DA9214-XXFSC 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 DA9214-XXFSC?
For technical support, including DA9214-XXFSC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DA9214-XXFSC requirements.
6.How does Aetrix verify that DA9214-XXFSC is sourced from the original manufacturer or authorized distributors?
All DA9214-XXFSC 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 DA9214-XXFSC meets industry standards.
7.What is the process for return or replacement of DA9214-XXFSC?
All DA9214-XXFSC units undergo pre-shipment inspection (PSI). If there is an issue with DA9214-XXFSC, 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 DA9214-XXFSC part is unused and in its original packaging.
Return procedure for DA9214-XXFSC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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