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Qorvo ACT88325 | Demoboard ACT88325EVK1-101 User’s Guide
Advanced PMU with 3 Bucks, 2 LDOs and Load Bypass Switch
Overview
| Topology | Buck Converter |
| Input voltage | 2.7-5.5 V |
| Switching frequency | 1.12-2.25 kHz |
| Output 1 | 3.3 V / 4 A |
| Output 2 | 1.8 V / 2 A |
| Output 3 | 0.9 V / 3 A |
| IC revision | 1.0 |
Description
This document describes the characteristic and operation of the Active Semi ACT88325EVK1-101 evaluation kit (EVK).It provides setup and operation instructions, schematic, layout, BOM, and test data. This EVK demonstrates the ACT88325VA101ActivePMU power management IC. Other ACT88325VAxxx options can beevaluated on this EVK by replacing the IC and any other necessary components.The EVK can be used as a standalone board if desired. However, to access the internal registers and to take full advantage of the IC’s capability, the user must connect the EVK kit to a PC with Active Semi’s USB-TO-I2C interface dongle and use the GUI software. The EVK provides full access to the each converter’s input and output voltage, as well as all the digital control signals. This gives the user the flexibility to configure the EVK to match their real world system.Note that the ACT88325EVK1-101 is specifically configured for the ACT88325VA101. This CMI option is configured to power the Silicon Motion 2263 and SM2263XT processors with a 3.3V input.
Features
- Wide input voltage range
- Vin = 2.7V to 5.5V
- Complete integrated power solution
- One 4A DC/DC Step-Down with BypassMode
- Two 3A DC/DC Step-Down Regulators
- Two 300mA LDOs
- High Power Load Switch Gate Driver withSlew Rate Control Space Savings
- Fully integrated
- High Fsw = 2.25MHz or 1.125MHz
- Integrated sequencing
- Easy system level design
- Configurable sequencing
- Seamless sequencing with external supplies
- Programmable Reset and Power GoodGPIO’s
- Buck 1 Bypass Mode for 3.3V system levelcompliance
- Highly configurable
- μP interface for status reporting and controllability
- Flexible Sequencing Options
- I2C Interface – 1MHz
- Multiple Sleep Modes
- See ACT88326 for Pushbutton Startup
Typical applications
- Microcontroller Applications / FPGA
- Solid-State Drives
- Personal Navigation Devices
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | fres(MHz) | VOP(V) | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-MAPI SMT Power Inductor, 2, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Pins2 | – | – | – | – | Inductance1 µH | Performance Rated Current3.55 A | Saturation Current @ 30%5.3 A | DC Resistance63 mΩ | Self Resonant Frequency80 MHz | Operating Voltage80 V | MountSMT | Length2.5 mm | Height1 mm | Rated Current2.5 A | – | Operating Temperature -40 °C up to +125 °C | ||||
| WE-MAPI SMT Power Inductor, 2, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Pins2 | – | – | – | – | Inductance1 µH | Performance Rated Current10.1 A | Saturation Current @ 30%11.5 A | DC Resistance12 mΩ | Self Resonant Frequency55 MHz | Operating Voltage80 V | MountSMT | Length4 mm | Height2 mm | Rated Current7.2 A | – | Operating Temperature -40 °C up to +125 °C | ||||
 | WR-TBL Series 2141 - 3.50 mm Horiz. Entry Modular, 2, Rising Cage Clamp | Simulation– | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 2141 - 3.50 mm Horiz. Entry Modular | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 24 to 16 (AWG) 0.2 to 1 (mm²) | – | – | – | – | – | – | MountTHT | Length7.05 mm | – | Rated Current10 A | Working Voltage300 V (AC) | Operating Temperature -40 °C up to +105 °C | ||
 | WR-PHD Pin Header - Single, 2, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins2 | – | – | TypeStraight | – | – | – | – | – | – | – | MountTHT | Length5.08 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WR-PHD Pin Header - Single, 3, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins3 | – | – | TypeStraight | – | – | – | – | – | – | – | MountTHT | Length7.62 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WR-PHD Pin Header - Single, 4, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins4 | – | – | TypeStraight | – | – | – | – | – | – | – | MountTHT | Length10.16 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C |