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Renesas DA9215-XXFS1-AT
- Part No.:
- DA9215-XXFS1-AT
- Manufacturer:
- Renesas
- Package:
- 66-VFBGA
- Datasheet:
-
DA9215-XXFS1-AT.pdf
- Description:
- IC REG BCK ADJ 5A/15A DL 66VFBGA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
DA9215-XXFS1-AT from Renesas Electronics is an AEC-Q100 Grade 2 automotive power management IC integrating a three-phase 15 A buck converter (Buck A) and a single-phase 5 A buck converter (Buck B), operating from 2.8 V to 5.5 V input, delivering programmable output voltages from 0.3 V to 1.57 V (or up to 4.3 V with external resistor divider), and featuring 3 MHz switching frequency for compact low-profile inductor use in ADAS and infotainment CPU/GPU/DDR rail supplies.
For engineers reviewing the DA9215-XXFS1-AT datasheet, DA9215-XXFS1-AT pinout, DA9215-XXFS1-AT application, or DA9215-XXFS1-AT equivalent, key selection criteria include its dual-buck architecture (15 A + 5 A), remote sensing capability at point-of-load, ±1% static output voltage accuracy, I²C/SPI-compatible interface with configurable address via GPI, and integrated over-temperature/over-current protection for automotive-grade reliability.
Technical Context
The DA9215-XXFS1-AT implements two independent synchronous buck regulators: Buck A uses three phases (A1, A2, B2) for 15 A output, while Buck B uses one phase (B1) for 5 A output - confirmed by Table 1 and Figure 3. Phase allocation is fixed per device variant and not user-reconfigurable.
It supports both PWM and PFM modes, with programmable current limits per phase (4–7 A range), dynamic voltage control (DVC) via register writes or dedicated DVS pin, and automatic phase shedding to optimize light-load efficiency. Remote sensing is implemented on FBAP/FBAN (Buck A) and FBBP/FBBN (Buck B), enabling precise regulation at the load.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.8 V to 5.5 V - supports Li-ion battery systems and wide automotive supply rails without pre-regulation. |
| Output Current Capability | 15 A (3-phase Buck A) + 5 A (1-phase Buck B) - enables independent high-current CPU core and low-current I/O or DDR termination rails. |
| Switching Frequency | 3 MHz nominal - allows use of 1 mm height inductors (e.g., 0.22 µH) to minimize board area and improve transient response. |
| Output Voltage Accuracy | ±1% (static), ±3% (dynamic) - ensures stable core voltage under fast load steps (10 A/µs transient capability). |
| Operating Temperature | −40 °C to +105 °C ambient - qualified to AEC-Q100 Grade 2 for under-hood and display cluster environments. |
| Protection Features | Integrated over-current, over-temperature, and VDDIO under-voltage lockout - eliminates need for external fault-sensing circuitry. |
| Interface Protocol | I²C/SPI-compatible 2-/4-wire bus with configurable slave address via GPI - supports multi-PMIC coordination on shared bus. |
Pinout & Package
DA9215-XXFS1-AT is housed in a 66-pin Very Thin Fine-Pitch Ball Grid Array (VFBGA) package with 0.5 mm pitch, optimized for automotive thermal and space constraints.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_A1 / VDD_A2 / VDD_B2 / VDD_B1 | Power supply inputs per phase | Each connects directly to VSYS; provides dedicated routing for gate drive and bias to respective buck phase power stages. |
| LX_A1 / LX_A2 / LX_B2 / LX_B1 | Switching node outputs | Connect to inductor inputs; phase-specific nodes enable independent layout of 3-phase Buck A and 1-phase Buck B power loops. |
| FBAP / FBAN / FBBP / FBBN | Remote sense inputs | Differential feedback pairs for Buck A (FBAP/FBAN) and Buck B (FBBP/FBBN); enable Kelvin sensing at point-of-load for <±1% regulation accuracy. |
| IC_EN | Global enable input | Active-high signal controlling full IC power-up sequence; initiates soft-start and internal bias generation. |
| nIRQ | Interrupt output | Open-drain signal asserting on fault conditions (OCP, OTP, UVLO) or status events (power-good, DVC completion). |
| SDA / SCL / nCS / SO | 2-/4-wire interface pins | Support both I²C (SDA/SCL) and SPI-like (nCS/SO/SCL) protocols; nCS doubles as GPI4 for address configuration. |
| GPI0 / GPI1 / GPIO2 | General-purpose I/O | GPI0 supports input tracking for DVC; GPI1 and GPIO2 provide flexible control/synchronization (e.g., phase sync, enable sequencing). |
Key Features
| Feature | Design Value |
|---|---|
| Dynamic Voltage Control (DVC) | Enables real-time VOUT adjustment via register write or dedicated DVS pin - reduces CPU power consumption during low-load states without software overhead. |
| Remote Sensing Architecture | Dual differential sense pairs (FBAP/FBAN and FBBP/FBBN) eliminate PCB IR drop errors - maintains ±1% output accuracy across temperature and load despite long trace runs. |
| Integrated Power Stages | On-die PMOS (27 mΩ) and NMOS (19 mΩ) switches per phase - eliminates external FETs, Schottky diodes, and associated layout complexity and losses. |
| Programmable Soft Start | Configurable startup ramp rate (e.g., 50 µs to 10 ms) via BUCKx_UP_CTRL registers - prevents input inrush current and avoids system brown-out during power-on. |
| Auto Phase Shedding | Hardware-managed reduction of active phases in Buck A below ~30% load - improves light-load efficiency by >15% versus fixed 3-phase operation. |
Applications
| Automotive ADAS Camera Module | In-Vehicle Infotainment SoC Supply |
|---|---|
Use Scenario: Dual-rail power delivery to image signal processor (ISP) and MIPI serializer in surround-view camera ECU. IC Role / Device Role / Timing Role: DA9215-XXFS1-AT supplies 1.1 V @ 12 A (Buck A, 3-phase) to ISP core and 1.8 V @ 3.5 A (Buck B, 1-phase) to MIPI PHY, with synchronized start-up and DVC-triggered voltage scaling during low-power mode. Use Value: Eliminates need for discrete DC-DC controllers + external FETs; remote sensing ensures stable 1.1 V under 8 A step load at sensor pixel readout. | Use Scenario: Powering quad-core application processor and LPDDR4 memory in head-unit display system. IC Role / Device Role / Timing Role: DA9215-XXFS1-AT delivers 0.85 V @ 15 A (Buck A) to CPU cores and 1.1 V @ 5 A (Buck B) to DDR I/O, with independent soft-start timing and dynamic voltage scaling coordinated via I²C. Use Value: 3 MHz switching enables use of 0.22 µH inductors, reducing solution height to <1.2 mm - critical for slim dashboard integration. |
| Automotive Digital Instrument Cluster | Telematics Control Unit (TCU) |
Use Scenario: High-reliability dual-rail supply for graphics processor and display interface controller in AEC-Q100-compliant cluster. IC Role / Device Role / Timing Role: DA9215-XXFS1-AT powers GPU core (1.0 V @ 13 A, Buck A) and LVDS transmitter (1.8 V @ 4.2 A, Buck B), with over-temperature shutdown and remote sensing ensuring display stability at 105 °C ambient. Use Value: Integrated OCP/OTP protection meets ASIL-B functional safety requirements without external monitoring ICs. | Use Scenario: Compact power solution for LTE/Wi-Fi module and MCU in vehicle-to-cloud communication gateway. IC Role / Device Role / Timing Role: DA9215-XXFS1-AT generates 1.2 V @ 10 A (Buck A, 2 phases active) for modem SoC and 3.3 V @ 2.5 A (Buck B, resistor-divider configured) for RF front-end, using same VSYS input. Use Value: Configurable I²C address (via nCS/GPI4) allows co-location with DA9214-A on shared bus for multi-rail TCU design. |
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; 4.5–18 V input; no remote sensing; QFN-36 package. | Suitable only for single-rail CPU supplies; lacks independent second buck for DDR/I/O rails. | Select when only one high-current rail is needed and input voltage exceeds 5.5 V. |
| TPS65917B1ZWSR | 7-channel PMIC with 2× 3-A bucks + 1× 2-A buck; 2.7–5.5 V input; I²C-only interface; 144-ball BGA. | Lower per-rail current capacity; requires external components for >5 A rails; broader feature set but less optimized for high-current CPU cores. | Select when system needs multiple low-current rails (e.g., AVDD, VDDIO, RTC) alongside moderate CPU power. |
Compared with MPQ8633BGLE-Z and TPS65917B1ZWSR, DA9215-XXFS1-AT uniquely combines asymmetric dual-buck capability (15 A + 5 A), automotive-grade remote sensing, and AEC-Q100 Grade 2 qualification - making it the only option for space-constrained, high-reliability dual-rail CPU+DDR supplies in ADAS and digital clusters.
Availability
DA9215-XXFS1-AT is available at Aetrix Electronics and suitable for automotive ADAS camera modules, in-vehicle infotainment SoC supplies, digital instrument clusters, telematics control units, and industrial embedded vision systems requiring stable component supply across extended temperature and long lifecycle commitments.
Supply support for DA9215-XXFS1-AT 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 automotive SoCs, with deep expertise in functional safety and AEC-Q100-compliant power management.
The DA9215-XXFS1-AT belongs to Renesas' DA92xx auto-grade PMIC family, designed specifically to deliver tightly regulated, high-efficiency multi-phase power to CPUs, GPUs, and DDR memory in safety-critical automotive domains including ADAS and digital cockpits.
FAQ
What is the exact output current capability of DA9215-XXFS1-AT per buck channel?
DA9215-XXFS1-AT delivers up to 15 A from its three-phase Buck A channel and up to 5 A from its single-phase Buck B channel, as confirmed in the R16DS0618EJ0231 datasheet Section 1 and Figure 3. These ratings assume proper thermal management, recommended external components (e.g., 0.22 µH inductors, 47 µF per phase output capacitance), and operation within −40 °C to +105 °C ambient temperature.
Does DA9215-XXFS1-AT support remote sensing for both buck channels?
Yes, DA9215-XXFS1-AT supports true differential remote sensing on both channels: FBAP/FBAN for Buck A and FBBP/FBBN for Buck B, as specified in Table 2 (Pin Descriptions) and Figure 3. This enables Kelvin connection directly at the load to compensate for PCB trace resistance, maintaining ±1% output voltage accuracy under varying load and temperature conditions.
What package type and pin count does DA9215-XXFS1-AT use?
DA9215-XXFS1-AT uses a 66-pin Very Thin Fine-Pitch Ball Grid Array (VFBGA) package with 0.5 mm pitch, as documented in Section 8.1 (Package Outlines) and Figure 30 of the R16DS0618EJ0231 datasheet. The package marking includes "DA9215" and grade/temperature code, and thermal derating follows the curve in Figure 5.
Can DA9215-XXFS1-AT operate with input voltage below 2.8 V?
No, DA9215-XXFS1-AT has a minimum recommended input voltage of 2.8 V per Table 5 (Recommended Operating Conditions). Operation below this violates specification and may cause improper startup, regulation loss, or undefined behavior. Absolute maximum rating for VDD is −0.3 V to 6.0 V, but functional operation is only guaranteed between 2.8 V and 5.5 V.
How is Dynamic Voltage Control (DVC) implemented on DA9215-XXFS1-AT?
DA9215-XXFS1-AT supports DVC via two hardware paths: (1) direct register writes through its I²C/SPI-compatible interface to adjust VOUT in 10 mV steps, and (2) an analog DVS input pin that accepts a voltage reference to dynamically scale output in real time - both methods are detailed in Section 5.1.4 and Figure 3 of the datasheet. GPI0 can be configured to track the DVS signal for seamless integration.
DA9215-XXFS1-AT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 66-VFBGA
- Packaging:
- Tray
- 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-XXFS1-AT FAQ
1.How can I place an order for DA9215-XXFS1-AT through Aetrix?
Please submit a Request for Quotation (RFQ) for DA9215-XXFS1-AT 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-XXFS1-AT reliable?
The price and inventory of DA9215-XXFS1-AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DA9215-XXFS1-AT is usually 5 days.
3.What payment methods are accepted for DA9215-XXFS1-AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DA9215-XXFS1-AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DA9215-XXFS1-AT?
DA9215-XXFS1-AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DA9215-XXFS1-AT 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-XXFS1-AT?
For technical support, including DA9215-XXFS1-AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DA9215-XXFS1-AT requirements.
6.How does Aetrix verify that DA9215-XXFS1-AT is sourced from the original manufacturer or authorized distributors?
All DA9215-XXFS1-AT 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-XXFS1-AT meets industry standards.
7.What is the process for return or replacement of DA9215-XXFS1-AT?
All DA9215-XXFS1-AT units undergo pre-shipment inspection (PSI). If there is an issue with DA9215-XXFS1-AT, 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-XXFS1-AT part is unused and in its original packaging.
Return procedure for DA9215-XXFS1-AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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