Features
- 2.8V to 5.5V input voltage
- 0.3V to 1.3V output voltage
- Up to 40A peak current drive
- 4MHz nominal switching frequency
- ±1% accuracy (static)
- I2C-compatible interface (FM+)
- 4-phase operation
- Remote sensing
- Configurable GPIOs
- Programmable soft-start
- DVC support
- Voltage, current and temperature supervision
- Key safety features
- Output undervoltage and overvoltage protection
- Input undervoltage protection
- 2-step over-temperature protection
- -40 °C to +85 °C ambient temperature range
DA9141 Block Diagram
Description
The DA9141 is a high-efficiency, high current, quad-phase, step-down DC/DC (buck) converter with integrated switching FETs. The device can drive loads up to 40A and is well suited for powering high-performance AI/graphics processor cores in today’s complex SoCs.
The device has an input voltage range of 2.8V to 5.5V and an output voltage range of 0.3V to 1.3V, making it suitable for a wide variety of low voltage systems. The DA9141 requires a minimum number of discrete components to operate, delivering a highly optimized BOM and footprint.
The DA9141 device is part of the Renesas family of flexible, scalable, reliable commercial-grade PMICs enabling an "Exact-Fit" power solution. It is available in a 4.5mm x 7.0mm 60-pin FC-BGA package. An automotive-grade version is also available (DA9141-A).
Benefits
- Multiphase operation delivers better transient performance, lower losses, better efficiency, optimized thermal dissipation, and minimized ripple current and voltages when compared to a single-phase architecture
- Lower PCB costs and smaller components with lower overall heights for low profile applications
- Flexibility - Offers the opportunity to optimally place the inductors and capacitors close to the point of load
- Distributed power dissipation – more even distribution of heat – critical for efficient thermal management
- Remote sensing guarantees the highest accuracy and supports multiple PCB routing scenarios without loss of performance
- Fully programmable soft-start limits the inrush current from the input to give a slope-controlled output voltage
- Dynamic voltage control (DVC) enables adaptive adjustment of the supply voltage dependent on the load. This increases efficiency when the downstream circuitry enters low power or idle mode, resulting in power savings
- Configurable GPIOs support a range of features including I2C, DVC and Power-Good indicator
Parameters
| Attributes | Value |
|---|---|
| Qualification Level | Standard |
| Product Type | MPU |
| Processor Supplier | Renesas |
| Processor Name | RZ V2H |
| Total step-down DC/DC converter channels (#) | 1 |
| Step-up DC/DC converter Channels (#) | 0 |
| Input Voltage (Min) (V) | 2.8 |
| Input Voltage (Max) (V) | 5.5 |
| Bus Voltage (Max) (V) | 5.5 |
| Output Current Max (A) | 25 |
| Outputs (#) | 1 |
| Function | 1-ch PMIC |
| Comm. Interface | I2C |
| Battery Interface | No |
| GPIOs (#) | 5 |
| Integrated Battery Charger | No |
| Switching Frequency (MHz) | 4 - 4 |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) |
|---|---|---|
| FC-BGA | 4.5 mm x 7 mm | 60 |
Application Block Diagrams
 | Autonomous Mobile Robot (AMR) AI-enabled AMR system with real-time control, scalable power, and compact design. |
 | High-Performance Vision AI System High-performance quad-camera vision AI platform for real-time, power-efficient edge processing. |
Additional Applications
- Switches and routers
- Smart metering
- Industrial automation
- Wireless infrastructure
- AI computing
- SoC/FPGA high-performance processing system requiring efficient, high current, power delivery
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