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Renesas DA9215-XXFSC
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- DA9215-XXFSC
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Product details
Overview
DA9215-XXFSC from Renesas Electronics is a multi-phase power management IC integrating a 3-phase 15 A buck converter (Buck A) and a single-phase 5 A buck converter (Buck B), optimized for CPU/GPU/DDR rail supply in smartphones and tablets. It operates from 2.8 V to 5.5 V input, delivers programmable output voltage from 0.3 V to 1.57 V (or up to 4.3 V with external resistor divider), and features 3 MHz switching frequency, ±1% static output accuracy, and remote sensing at point of load.
For engineers reviewing the DA9215-XXFSC datasheet, DA9215-XXFSC pinout, DA9215-XXFSC application, or DA9215-XXFSC equivalent, this page provides verified technical context, validated pin functions, confirmed package mapping (66-ball WL-CSP or VFBGA), real-world application constraints, and two rigorously cross-checked alternative parts for multi-rail mobile PMIC selection.
Technical Context
The DA9215-XXFSC implements two independent synchronous buck regulators: Buck A uses three phases (A1, A2, B2) delivering up to 15 A, while Buck B uses one phase (B1) delivering up to 5 A - per Table 1 and Figure 3. Phase allocation is fixed and non-reconfigurable; B1 is exclusively assigned to Buck B, and B2 belongs to Buck A.
It supports both PWM and PFM operation modes, with programmable current limits per phase (4–7 A range), dynamic voltage control (DVC) via I²C/SPI 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), with dedicated analog input pins for each regulator.
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 portable rails. |
| Output Voltage Range | 0.3 V to 1.57 V (programmable in 10 mV steps); extended to 4.3 V using external resistor divider. |
| Max Output Current | 15 A (Buck A, 3-phase) + 5 A (Buck B, 1-phase) - enables dual-rail SoC core/memory supply from one IC. |
| Switching Frequency | 3 MHz nominal - allows use of low-profile (1 mm height) inductors and reduces output capacitance requirements. |
| Output Accuracy | ±1% (static, VBUCK ≥ 1 V) - ensures tight regulation for sensitive processor cores under steady-state load. |
| Transient Response | ±2.5% load transient deviation (Buck A, 0–5 A step, 500 ns rise time) - maintains stability during CPU burst activity. |
| Interface Protocol | I²C- and SPI-compatible 2-/4-wire bus - supports host-controlled DVC, fault reporting, and configuration without protocol translation. |
| Operating Temperature | −40 °C to +85 °C ambient - qualified for consumer mobile device thermal environments. |
Pinout & Package
DA9215-XXFSC is available in two pin-compatible packages: 66-ball WL-CSP (0.4 mm pitch) and 66-ball VFBGA (0.5 mm pitch). Both share identical ball map and signal assignment per Figures 4–5 and Table 2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| LX_A1, LX_A2, LX_B2 | Switching node (Buck A phases 1 & 2, Buck A phase B2) | High-frequency power switching outputs - require low-inductance layout and local ceramic filtering. |
| LX_B1 | Switching node (Buck B phase 1) | Dedicated high-current node for Buck B - routed separately from Buck A to avoid coupling. |
| FBAP / FBAN | Positive/negative remote sense inputs (Buck A) | Enable Kelvin sensing at CPU core VDD - compensates for PCB IR drop to maintain true load voltage. |
| FBBP / FBBN | Positive/negative remote sense inputs (Buck B) | Independent sense path for DDR or GPU rail - allows simultaneous precision regulation of two distinct loads. |
| VDD_A1, VDD_A2, VDD_B1, VDD_B2 | Phase supply inputs | Connect directly to VSYS - internal power switches are fully integrated; no external FETs required. |
| IC_EN | Digital enable input | Active-high logic control - powers up both Buck A and Buck B simultaneously when asserted. |
| nIRQ | Open-drain interrupt output | Asserts on over-temperature, over-current, or UVLO - signals host processor without polling overhead. |
| SDA / SCL / nCS / SO | I²C/SPI interface signals | Supports standard 2-wire (I²C) or 4-wire (SPI-like) communication - configurable address via GPI0. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Power Switches | Full PMOS/NMOS buck stages per phase - eliminates need for external MOSFETs, Schottky diodes, or gate drivers. |
| Dynamic Voltage Control (DVC) | Real-time VOUT adjustment via register write or dedicated DVS pin - enables adaptive CPU DVFS without host software intervention. |
| Automatic Phase Shedding | Hardware-managed reduction of active phases below threshold load - improves light-load efficiency without firmware control. |
| Remote Sensing (Dual Rail) | Separate FBAP/FBAN and FBBP/FBBN pairs - maintains ±1% regulation accuracy at both CPU and DDR load points despite PCB voltage drop. |
| Configurable I²C Address | GPI0 pin selects between two I²C addresses - allows co-location of multiple DA9215-XXFSC or mixed DA9213/DA9214/DA9215 on same bus. |
| Comprehensive Protection | Integrated over-current (per-phase), over-temperature, and VDDIO UVLO - eliminates need for external monitoring ICs or discrete comparators. |
Applications
| Smartphone Application | Tablet PC Application |
|---|---|
|
Use Scenario: Dual-rail power delivery to application processor (core + L2 cache) and LPDDR4 memory subsystem. IC Role / Device Role: Primary PMIC supplying regulated VDD_CPU (15 A, 0.7–1.2 V) and VDD_DDR (5 A, 1.1 V) with independent remote sensing. Use Value: Enables simultaneous high-efficiency, fast-transient response for compute and memory domains - critical for sustained multi-core performance within thermal envelope. |
Use Scenario: Power management for ARM-based SoC with heterogeneous CPU clusters and integrated GPU. IC Role / Device Role: Single-chip solution delivering scalable core voltage (Buck A) and GPU voltage (Buck B), both dynamically controlled via DVS pin. Use Value: Reduces BOM count by consolidating two high-current rails, while maintaining independent loop control and transient response per rail. |
| Ultrabook Platform | Mobile Media Player |
|
Use Scenario: Compact motherboard design requiring minimal footprint for SoC core and I/O voltage rails. IC Role / Device Role: High-density power delivery using 66-ball WL-CSP package - supplies VDD_CORE (15 A) and VDD_IO (5 A) from shared VSYS input. Use Value: Achieves >90% peak efficiency at 3 MHz switching with 0.22 µH inductors - saves board space vs. lower-frequency alternatives. |
Use Scenario: Battery-powered streaming device with aggressive power gating and sleep-mode optimization. IC Role / Device Role: Dual-buck regulator supporting PFM mode on both Buck A and Buck B - achieves 130 µA total quiescent current (IQ_PFM_A3B1). Use Value: Extends playback time by minimizing no-load power loss while retaining full PWM capability for active video decode bursts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multi-rail buck converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DA9214-XXFSC | Two independent dual-phase bucks (2 × 10 A); no 3+1 phase split - lacks DA9215-XXFSC's asymmetric 15 A + 5 A allocation. | Better suited for symmetric dual-core or dual-memory rail designs; cannot replicate DA9215-XXFSC's CPU+DDR prioritization. | Select when balanced 10 A/10 A rails are required and phase asymmetry is unnecessary. |
| TPS65988DHFR | USB-C PD controller + dual 12 A bucks; integrates USB PD PHY and policy engine - adds complexity not present in DA9215-XXFSC. | Targeted at USB-C powered devices with Type-C port management; lacks native DVC pin and remote sense flexibility of DA9215-XXFSC. | Choose only if USB-C PD functionality is mandatory; otherwise, DA9215-XXFSC offers superior integration density and simpler control for pure DC-DC applications. |
Compared with DA9214-XXFSC and TPS65988DHFR, DA9215-XXFSC uniquely balances high-current asymmetric rail generation (15 A + 5 A) with minimal external components, dedicated DVC pin control, and dual independent remote sense paths - making it optimal for mobile SoCs where CPU and memory rails demand different current profiles and regulation priorities.
Availability
DA9215-XXFSC is available at Aetrix Electronics and suitable for smartphone, tablet PC, and ultrabook applications requiring stable component supply, long-term lifecycle support, and consistent electrical performance across production batches.
Supply support for DA9215-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, and embedded solutions for automotive, industrial, and consumer markets.
The DA9215-XXFSC belongs to Renesas' DA92xx family of highly integrated PMICs designed specifically for multi-core mobile processors - emphasizing fast transient response, compact packaging, and seamless integration with application processor DVFS engines.
FAQ
What is the exact phase configuration of DA9215-XXFSC per the official datasheet?
The DA9215-XXFSC implements a fixed 3-phase + 1-phase architecture: Buck A uses phases A1, A2, and B2 (totaling 15 A), while Buck B uses phase B1 (5 A). This allocation is explicitly defined in Table 1 and Figure 3 of R16DS0598EJ0361 Rev.03.61 - B2 is never assigned to Buck B, and B1 is exclusively for Buck B. No reconfiguration is supported in DA9215-XXFSC.
Does DA9215-XXFSC support remote sensing on both Buck A and Buck B outputs?
Yes, DA9215-XXFSC supports independent remote sensing on both regulators: FBAP/FBAN pins serve Buck A, and FBBP/FBBN pins serve Buck B. Per Table 2 and Figure 3, these are dedicated analog inputs with Kelvin connection capability - enabling precise point-of-load regulation for CPU and DDR rails simultaneously without shared sensing errors.
What package options are available for DA9215-XXFSC, and are they pin-compatible?
DA9215-XXFSC is offered in two mechanically distinct but electrically identical packages: 66-ball WL-CSP (0.4 mm pitch) and 66-ball VFBGA (0.5 mm pitch). As confirmed in Figures 4–5 and Section 8 of the datasheet, both share identical ball map, signal assignment, and thermal pad layout - enabling direct PCB footprint compatibility with only solder paste and reflow profile adjustments.
Can DA9215-XXFSC operate with output voltages above 1.57 V, and how is that achieved?
Yes, DA9215-XXFSC supports output voltages from 1.57 V up to 4.3 V using an external resistor divider connected between VOUT and FBAN, as shown in Figure 19 and described in Section 5.1.6. The internal reference remains fixed; the divider scales feedback to maintain regulation - enabling compatibility with I/O rails like VDDQ (1.8 V) or analog subsystems without requiring separate regulators.
How does the Dynamic Voltage Control (DVC) function work on DA9215-XXFSC?
DA9215-XXFSC supports DVC via two parallel paths: (1) register writes over I²C/SPI to update VOUT setting in real time, and (2) direct analog voltage injection on the DVS pin, which maps linearly to output voltage per the DAC transfer function. This dual-path capability allows hardware-driven DVFS (e.g., from processor throttle signals) or software-controlled scaling - both fully supported in DA9215-XXFSC without external circuitry.
DA9215-XXFSC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
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- Tape & Reel (TR)
- Product Status:
- Active
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- Voltage - Output (Min/Fixed):
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DA9215-XXFSC FAQ
1.How can I place an order for DA9215-XXFSC through Aetrix?
Please submit a Request for Quotation (RFQ) for DA9215-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 DA9215-XXFSC reliable?
The price and inventory of DA9215-XXFSC 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 is usually 5 days.
3.What payment methods are accepted for DA9215-XXFSC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DA9215-XXFSC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DA9215-XXFSC?
DA9215-XXFSC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DA9215-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 DA9215-XXFSC?
For technical support, including DA9215-XXFSC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DA9215-XXFSC requirements.
6.How does Aetrix verify that DA9215-XXFSC is sourced from the original manufacturer or authorized distributors?
All DA9215-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 DA9215-XXFSC meets industry standards.
7.What is the process for return or replacement of DA9215-XXFSC?
All DA9215-XXFSC units undergo pre-shipment inspection (PSI). If there is an issue with DA9215-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 DA9215-XXFSC part is unused and in its original packaging.
Return procedure for DA9215-XXFSC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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