Features
- 2.5 V to 5.5 V input voltage
- 0.3 V to 1.9 V output voltage
- 4 MHz nominal switching frequency
- ±1 % accuracy (static)
- ±5 % accuracy (dynamic)
- I2C-compatible interface (FM+)
- Configurable GPIOs
- Programmable soft-start
- Voltage, current, and temperature supervision
- -40 °C to +85 ºC ambient temperature range
- Input voltage range provides flexibility to run from single cell Li-Ion battery or standard 3.3V or 5V system rail
- Differential voltage sensing provides tight regulation accuracy requirements of CPU cores in mobile SoCs
- 4MHz switching frequency reduces footprint & height of output inductor and minimizes output capacitance, lowering BOM cost
- Triggered through either an I2C or GPIO interface, output dynamic voltage control can be used to optimize system power consumption
DA9217 Block Diagram
Description
DA9217 is a SubPMIC suitable for supplying CPUs, GPUs, DDR memory rails in smartphones, tablets, RF modules and other handheld applications.
DA9217 operates as a single-channel dual-phase buck converter, each phase requiring a small external 0.10 μH inductor. It is capable of delivering up to 6 A output current at a 0.3 V to 1.9 V output voltage range. The 2.5 V to 5.5 V input voltage range is suitable for a wide variety of low voltage systems, including, but not limited to, all Li-Ion battery supplied applications.
Parameters
| Attributes | Value |
|---|---|
| Qualification Level | Standard |
| Total step-down DC/DC converter channels (#) | 1 |
| Step-up DC/DC converter Channels (#) | 0 |
| Input Voltage (Min) (V) | 2.5 |
| Input Voltage (Max) (V) | 5.5 |
| Bus Voltage (Max) (V) | 5.5 |
| Output Current Max (A) | 6 |
| Outputs (#) | 1 |
| Function | 1-ch PMIC |
| Comm. Interface | I2C |
| Battery Interface | No |
| GPIOs (#) | 4 |
| Integrated Battery Charger | No |
| Switching Frequency (MHz) | 4 - 4 |
Package Options
| Pkg. Type | Lead Count (#) | Pitch (mm) |
|---|---|---|
| WLCSP | 24 | 0.4 |
Applications
- Smartphones
- Tablets
- Notebook PCs
- RF Modules
- Solid State Drives
- Hard Disk Drives
- Game Consoles
- Handheld Devices
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| Part Number | Status | Samples | Stock | Package | Budgetary Price (USD) | Lead Count (#) | Carrier Type | Moisture Sensitivity Level (MSL) | Qty. per Reel (#) | Pb (Lead) Free | Country of Assembly | Country of Wafer Fabrication |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DA9217-20V72 | Active | N/A | In Stock | WLCSP | 1ku | $1.45 | 24# | Tape & Reel | 1 | 4500# | Yes | TAIWAN | TAIWAN |
| DA9217-20V76 | Active | N/A | Out of Stock | WLCSP | 24# | Tray | 1 | 140# | Yes |
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- Application NotePDF 150 KB R16AN0070EG0101 Rev.1.01 Feb 19, 2025AI-generated Summary: The document details the register default settings and configurations for the DA9217-17V7x OTP variant, a single-channel dual-phase buck converter with a maximum output voltage of 1.90 V. It covers key parameters such as operation modes, slew rates for startup and shutdown, current limits, and chip configuration features. The document includes variant ordering information, I2C slave addresses for different CONF pin states (Low, High, Hi-Z), and comprehensive register settings for each state. It also defines terms like GPIO, OTP, DVC, and WLCSP, providing a technical foundation for device integration and configuration.
- Application NotePDF 460 KB Jan 24, 2020AI-generated Summary: Output voltage above 1.9 V for DA9217/DA9220/DA9121/DA9122 is achieved by using external resistors and capacitors. These devices operate within an input voltage range of 2.5 V to 5.5 V and support configurable output voltage from 0.3 V to 1.9 V natively. By applying a resistive divider and recommended external components, the output voltage can be adjusted beyond 1.9 V. The document provides recommended component connections, waveform results, and register settings to realize this higher output voltage. It includes practical examples with input voltages of 3.7 V and 5 V, output voltages of 2 V and 3.3 V, and load currents of 3 A.
- Manual - Development ToolsPDF 1.21 MB Oct 29, 2019
- Application NotePDF 691 KB Sep 18, 2019AI-generated Summary: Recommendations for PCB layout and component placement optimize the performance of DA9217/DA9121 and DA9220/DA9122 power management ICs. Guidance covers package details, input and ground connections, buck converter routing, output feedback lines, and communication interfaces like I2C and GPIO. Recommended passive components include capacitors and inductors with specified values and ratings to ensure stable operation. The input voltage range supports low-voltage systems such as 1S Li-Ion battery applications, with configurable output voltages from 0.3 V to 1.9 V. PCB design files typically include BOM, schematic, and Gerber files for implementation.
Recommended Documents (2)
Datasheets (1)
- Manual - Development ToolsPDF 1.21 MB Oct 29, 2019
Manuals & Guides (1)
- Application NotePDF 150 KB R16AN0070EG0101 Rev.1.01 Feb 19, 2025AI-generated Summary: The document details the register default settings and configurations for the DA9217-17V7x OTP variant, a single-channel dual-phase buck converter with a maximum output voltage of 1.90 V. It covers key parameters such as operation modes, slew rates for startup and shutdown, current limits, and chip configuration features. The document includes variant ordering information, I2C slave addresses for different CONF pin states (Low, High, Hi-Z), and comprehensive register settings for each state. It also defines terms like GPIO, OTP, DVC, and WLCSP, providing a technical foundation for device integration and configuration.
- Application NotePDF 460 KB Jan 24, 2020AI-generated Summary: Output voltage above 1.9 V for DA9217/DA9220/DA9121/DA9122 is achieved by using external resistors and capacitors. These devices operate within an input voltage range of 2.5 V to 5.5 V and support configurable output voltage from 0.3 V to 1.9 V natively. By applying a resistive divider and recommended external components, the output voltage can be adjusted beyond 1.9 V. The document provides recommended component connections, waveform results, and register settings to realize this higher output voltage. It includes practical examples with input voltages of 3.7 V and 5 V, output voltages of 2 V and 3.3 V, and load currents of 3 A.
- Application NotePDF 691 KB Sep 18, 2019AI-generated Summary: Recommendations for PCB layout and component placement optimize the performance of DA9217/DA9121 and DA9220/DA9122 power management ICs. Guidance covers package details, input and ground connections, buck converter routing, output feedback lines, and communication interfaces like I2C and GPIO. Recommended passive components include capacitors and inductors with specified values and ratings to ensure stable operation. The input voltage range supports low-voltage systems such as 1S Li-Ion battery applications, with configurable output voltages from 0.3 V to 1.9 V. PCB design files typically include BOM, schematic, and Gerber files for implementation.
Application Notes & White Papers (3)
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DA9217/DA9121 Configurable, Dual-Phase Sub-PMIC Evaluation Board
The DA9217‑DA9121‑EVAL evaluation kit provides a complete platform for evaluating the DA9217 and DA9121 power management devices.
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