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Renesas DA9215-XXFSC-A
- Part No.:
- DA9215-XXFSC-A
- Manufacturer:
- Renesas
- Package:
- 66-VFBGA
- Datasheet:
-
DA9215-XXFSC-A.pdf
- Description:
- IC REG BCK ADJ 5A/15A DL 66VFBGA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
DA9215-XXFSC-A from Renesas Electronics is an automotive-grade power management IC integrating a three-phase 15 A buck converter (Buck A) and a single-phase 5 A buck converter (Buck B), optimized for CPU/GPU/DDR rails in ADAS and infotainment systems. It operates from 2.8 V to 5.5 V input, delivers programmable output voltage from 0.3 V to 1.57 V (extendable to 4.3 V with resistor divider), and features 3 MHz switching frequency, ±1% static output accuracy, and AEC-Q100 Grade 2 qualification.
For engineers reviewing the DA9215-XXFSC-A datasheet, DA9215-XXFSC-A pinout, DA9215-XXFSC-A application, or DA9215-XXFSC-A equivalent, key selection considerations include its dual-buck architecture with phase allocation (Buck A: phases A1, A2, B2; Buck B: phase B1), remote sensing capability at FBAP/FBAN and FBBP/FBBN, dynamic voltage control via I²C/SPI, and integrated over-temperature/over-current protection for automotive safety-critical designs.
Technical Context
The DA9215-XXFSC-A implements two independent synchronous buck regulators: Buck A uses three phases (A1, A2, B2) for high-current 15 A delivery with automatic phase shedding, while Buck B uses one phase (B1) for 5 A output. Both support programmable soft start, DVC, and remote voltage sensing - Buck A via FBAP/FBAN, Buck B via FBBP/FBBN - enabling precise point-of-load regulation under fast transients up to 10 A/µs.
Its digital core supports both 2-wire (I²C-compatible) and 4-wire (SPI-compatible) interfaces with configurable I²C address via GPI, allowing multiple devices on shared buses. The integrated power switches (27 mΩ PMOS / 19 mΩ NMOS per phase) eliminate external FETs, and the -40 °C to +105 °C operating range meets automotive environmental requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.8 V to 5.5 V - supports Li-ion battery-powered automotive systems without external pre-regulation. |
| Output Current | 15 A (Buck A, 3-phase) + 5 A (Buck B, 1-phase) - enables independent power rail generation for processor cores and memory subsystems. |
| Switching Frequency | 3 MHz nominal - permits use of low-profile 0.22 µH inductors and reduces output capacitor count. |
| Output Voltage Range | 0.3 V–1.57 V (programmable); up to 4.3 V with external resistor divider - covers core logic, I/O, and DDR supply requirements. |
| Accuracy | ±1% static, ±3% dynamic - ensures stable voltage under load steps critical for multi-core processor operation. |
| Operating Temperature | -40 °C to +105 °C ambient - qualified per AEC-Q100 Grade 2 for under-hood and dashboard-mounted automotive electronics. |
| Protection Features | Integrated over-temperature, over-current, and VDDIO under-voltage lockout - eliminates need for external monitoring circuitry. |
Pinout & Package
DA9215-XXFSC-A is housed in a 66-ball VFBGA package with 0.5 mm pitch, optimized for compact automotive PCB layouts and thermal performance. Ball mapping follows Renesas' standard pinout for the DA9213/14/15 family, with dedicated LX, VDD, and sense pins per phase.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| LX_A1, LX_A2, LX_B2 | Switching node for Buck A (phases 1, 2, B2) | Connects to inductor output for Buck A's three-phase operation; requires low-inductance layout to minimize EMI. |
| LX_B1 | Switching node for Buck B (phase 1) | Drives single-phase 5 A output; isolated routing prevents coupling into Buck A paths. |
| FBAP / FBAN | Positive/negative remote sense for Buck A | Enables Kelvin sensing at CPU core; compensates for PCB IR drop to maintain ±1% regulation at point of load. |
| FBBP / FBBN | Positive/negative remote sense for Buck B | Provides independent feedback path for DDR or GPU I/O rail, supporting separate voltage setpoints and transient response tuning. |
| VDD_A1, VDD_A2, VDD_B1, VDD_B2 | Phase supply inputs | Each tied to VSYS; decoupling required per phase to suppress high-frequency switching noise. |
| SCL / SDA / nCS / SO | I²C/SPI interface signals | Supports both 2-wire and 4-wire protocols; nCS polarity and clock configuration are register-programmable. |
| GPI0, GPI1, GPIO2, SO/GPIO3, nCS/GPI4 | Configurable GPIOs | Enable hardware-based DVC triggering, fault signaling, or address selection - e.g., GPI0 used for I²C address bit. |
Key Features
| Feature | Design Value |
|---|---|
| Dynamic Voltage Control (DVC) | Adjusts Buck A/B output voltages in real time via register writes or dedicated DVS pin - reduces CPU power consumption during low-load states. |
| Remote Sensing | Dual independent sense pairs (FBAP/FBAN + FBBP/FBBN) - maintains tight regulation despite PCB trace resistance up to 50 mΩ. |
| Automatic Phase Shedding | Buck A dynamically disables phases below 30% load - improves light-load efficiency by >25% versus fixed 3-phase operation. |
| Integrated Power Switches | 27 mΩ PMOS + 19 mΩ NMOS per phase - eliminates external FETs and Schottky diodes, reducing BOM count and layout area by ~35%. |
| Programmable Soft Start | Configurable startup ramp (50–500 µs) via BUCKx_UP_CTRL registers - limits inrush current to <1.5× IO_MAX during power-on sequencing. |
Applications
| Automotive ADAS Camera Module | In-Vehicle Infotainment Head Unit |
|---|---|
Use Scenario: Dual-rail power for image signal processor (ISP) and high-speed MIPI serializer in front-facing ADAS camera. IC Role / Device Role / Timing Role: DA9215-XXFSC-A supplies 1.1 V @ 12 A (Buck A) to ISP core and 1.8 V @ 4.2 A (Buck B) to MIPI PHY, with synchronized DVC transitions during frame rate changes. Use Value: 10 A/µs transient response prevents ISP brownout during rapid scene changes; remote sensing ensures <±15 mV droop at sensor die. | Use Scenario: Power delivery to quad-core application processor and LPDDR4 memory in central display unit. IC Role / Device Role / Timing Role: DA9215-XXFSC-A generates 0.85 V @ 15 A (Buck A) for CPU cores and 1.1 V @ 5 A (Buck B) for DDR4 interface, with phase shedding active during UI idle states. Use Value: 3 MHz switching enables <1 mm height inductor selection - critical for slim bezel mechanical design; AEC-Q100 Grade 2 ensures 15-year field reliability. |
| Automotive Digital Instrument Cluster | Telematics Control Unit (TCU) |
Use Scenario: Independent power rails for graphics controller (GPU), display interface (LVDS), and microcontroller in TFT cluster. IC Role / Device Role / Timing Role: DA9215-XXFSC-A delivers 0.95 V @ 10 A (Buck A) to GPU and 3.3 V @ 3 A (Buck B, via resistor divider) to LVDS transmitter, with DVC coordinated via SPI from cluster MCU. Use Value: Integrated OCP/OTP protection eliminates need for discrete supervisors - reduces failure modes in safety-critical gauge display function. | Use Scenario: Power management for cellular modem (LTE/5G), GNSS receiver, and CAN FD controller in vehicle connectivity module. IC Role / Device Role / Timing Role: DA9215-XXFSC-A provides 1.05 V @ 8 A (Buck A) to modem SoC and 1.8 V @ 2.5 A (Buck B) to GNSS RF section, with remote sensing on both rails to counteract long PCB traces. Use Value: -40 °C to +105 °C operation guarantees uninterrupted GPS lock and cellular handover across global temperature extremes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multi-phase buck converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPQ8633BGLE-Z | Single 16 A 3-phase buck; no secondary buck channel; 2.7–16 V input; no AEC-Q100 qualification | Requires external LDO or second IC for auxiliary rail; limited to non-safety-critical industrial use | Select when only one high-current rail is needed and automotive qualification is not required. |
| TPS65917B1A0RSLR | 7-channel PMIC with 2× 3-A bucks + 1× 2-A buck; 2.7–5.5 V input; AEC-Q100 Grade 2; no 15 A capability | Cannot replace DA9215-XXFSC-A's 15 A Buck A; suitable only for lower-power ADAS sensors or body control modules | Select when system requires multiple low-current rails and space-constrained integration outweighs peak current needs. |
Compared with MPQ8633BGLE-Z and TPS65917B1A0RSLR, DA9215-XXFSC-A uniquely combines AEC-Q100 Grade 2 compliance, integrated dual-buck architecture (15 A + 5 A), and remote sensing on both outputs - making it the only option for automotive CPU/GPU/DDR power where functional safety and transient robustness are mandatory.
Availability
DA9215-XXFSC-A is available at Aetrix Electronics and suitable for automotive ADAS camera modules, in-vehicle infotainment head units, digital instrument clusters, telematics control units, and navigation systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for DA9215-XXFSC-A 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, and SoC solutions for automotive, industrial, and enterprise applications.
The DA9213/DA9214/DA9215 product line was designed specifically for high-reliability automotive power delivery - targeting CPU, GPU, and DDR voltage rails in safety-critical ADAS and infotainment systems with stringent transient, thermal, and qualification requirements.
FAQ
What is the exact phase allocation for Buck A and Buck B in DA9215-XXFSC-A?
In DA9215-XXFSC-A, Buck A uses three phases: A1, A2, and B2; Buck B uses phase B1 exclusively. This allocation is fixed per the datasheet and differs from DA9214-A (which uses A1/A2 for Buck A and B1/B2 for Buck B). The B2 assignment to Buck A enables higher current capability while retaining flexibility for Buck B's independent operation - a key differentiator for asymmetric multi-rail automotive designs.
Does DA9215-XXFSC-A support remote sensing on both Buck A and Buck B outputs?
Yes, DA9215-XXFSC-A supports independent remote sensing on both outputs: Buck A uses FBAP/FBAN pins, and Buck B uses FBBP/FBBN pins. Each pair connects directly to the respective load's power/ground planes, enabling true point-of-load regulation with ±1% accuracy even with >40 mΩ PCB trace resistance - critical for maintaining voltage stability in large automotive PCBs.
What communication interfaces does DA9215-XXFSC-A support, and how is address configuration handled?
DA9215-XXFSC-A supports both 2-wire (I²C-compatible) and 4-wire (SPI-compatible) interfaces. I²C address is configured via GPI0 pin state at power-up, allowing up to two devices on the same bus. Clock polarity (CPOL) and phase (CPHA) are register-configurable, enabling interoperability with diverse host processors without hardware changes - a feature confirmed in Section 5.4 of the R16DS0618EJ0231 datasheet.
How does Dynamic Voltage Control (DVC) operate in DA9215-XXFSC-A, and which rails does it affect?
DVC in DA9215-XXFSC-A independently adjusts output voltage for both Buck A and Buck B, triggered either by register writes over I²C/SPI or by asserting the DVS pin. The DVS pin supports direct hardware control from processor activity monitors, enabling sub-µs voltage scaling during workload transitions. This dual-rail DVC capability is explicitly documented for DA9215-A in Section 5.1.4 and Figure 3 of the datasheet.
Is DA9215-XXFSC-A qualified to AEC-Q100, and what grade applies?
Yes, DA9215-XXFSC-A is qualified to AEC-Q100 Grade 2, specifying operation from -40 °C to +105 °C ambient temperature with full functionality and reliability validation. This qualification is stated on page 1 of the R16DS0618EJ0231 datasheet and confirmed in Table 14 (Over-Temperature Thresholds) and Section 3.2 (Recommended Operating Conditions).
DA9215-XXFSC-A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 66-VFBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable (Programmable)
- Number of Outputs:
- 2
- Voltage - Input (Min):
- 2.8V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 0.3V
- Voltage - Output (Max):
- 4.3V
- Current - Output:
- 5A, 15A
- Frequency - Switching:
- 3MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 66-VFBGA (5.75x3.55)
DA9215-XXFSC-A FAQ
1.How can I place an order for DA9215-XXFSC-A through Aetrix?
Please submit a Request for Quotation (RFQ) for DA9215-XXFSC-A 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 DA9215-XXFSC-A reliable?
The price and inventory of DA9215-XXFSC-A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DA9215-XXFSC-A is usually 5 days.
3.What payment methods are accepted for DA9215-XXFSC-A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DA9215-XXFSC-A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DA9215-XXFSC-A?
DA9215-XXFSC-A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DA9215-XXFSC-A 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 DA9215-XXFSC-A?
For technical support, including DA9215-XXFSC-A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DA9215-XXFSC-A requirements.
6.How does Aetrix verify that DA9215-XXFSC-A is sourced from the original manufacturer or authorized distributors?
All DA9215-XXFSC-A 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 DA9215-XXFSC-A meets industry standards.
7.What is the process for return or replacement of DA9215-XXFSC-A?
All DA9215-XXFSC-A units undergo pre-shipment inspection (PSI). If there is an issue with DA9215-XXFSC-A, 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 DA9215-XXFSC-A part is unused and in its original packaging.
Return procedure for DA9215-XXFSC-A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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