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Qorvo ACT4752 | Demoboard ACT4752EVK1-101
40 V, 4.0 A CC/CV Step-Down DC/DC Converter with USB PD 3.0 PPS
Overview
| Topology | Buck Converter |
| Input voltage | 4-40 V |
| Output 1 | 25 V / 4 A |
| IC revision | 1.0 |
Description
This document describes the characteristics and operation of the Qorvo ACT4752EVK1-101 evaluation kit (EVK). It provides setup and operation instructions, schematic, layout, BOM, and test data. This EVK demonstrates the ACT4752QI101 power management IC. Other ACT4752QIxxx options can be evaluated on this EVK by replacing the IC and any other necessary components.
Features
- USB certified charger design available
- Supports small ceramic output capacitors
- 50 mOhm integrated high-/low-side FETs
- Input voltage range: 4.5 to 40 V
- Integrated mini-buck bias supply: 5 V at 350 mA
- I2C Programmable output voltage: 3 to 24 V in 12.5 mV steps
- I2C Programmable output current limit: 0 to 4 A with 256 step resolution
- Fixed-frequency current-mode control: 450 kHz to 2.25 MHz
- External clock synchronization and 100% duty cycle operation
- Out of AM radio / spread-spectrum operation
- Auxiliary LDO: 0.9 to 4.0 V at 20 mA
- I2C interface, fast-mode plus (Fm+, 1 MHz) with configurable address
Typical applications
- USB PD 3.0 Charging Hubs, Power Management for USB-C Power Rails, Industrial SMPS for 24V Bus, High Power LED Lighting
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | Pins | Application | PCB/Cable/Panel | Modularity | Type | Wire Section | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | fres (MHz) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | Mount | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | Pitch (mm) | Ø D (mm) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 691214110002S | SPEC | – | 6 files | WR-TBL Series 2141S - 3.50 mm Horizontal Entry Modular w. Rising Cage Clamp | 2 | Rising Cage Clamp | PCB | Yes | Horizontal | 30 to 16 (AWG) 0.05 to 1.31 (mm²) | – | – | – | – | -30 °C up to +120 °C | – | – | – | 7 | – | – | – | Box | – | 10 | – | – | – | – | – | – | – | THT | – | -30 °C up to +120 °C | – | – | 3.5 | – | |
 | 74437358033 | SPEC | 8 files | WE-LHMI SMT Power Inductor | – | – | – | – | – | – | – | – | – | 8040 | -40 °C up to +125 °C | – | – | – | 9.7 | 8.5 | 4 | – | – | 3.3 | – | – | – | 20 | 10 | 12.4 | 27 | 14.9 | SMT | – | – | – | – | – | – | ||
 | 860010674014 | SPEC | 7 files | WCAP-ATG8 Aluminum Electrolytic Capacitors | – | – | – | – | – | – | 100 µF | ±20% | 50 | – | – | 10 | – | – | 11.5 | – | – | – | Ammopack | – | – | – | – | – | – | – | – | – | – | 2000 | -40 °C up to +85 °C | 286 | 50 | 3.5 | 8 | ||
 | 885012107010 | SPEC | 8 files | WCAP-CSGP MLCCs 10 V(DC) | – | – | – | – | – | – | 10 µF | ±20% | 10 | 0805 | -55 °C up to +85 °C | 10 | 0.01 GΩ | X5R Class II | 2 | 1.25 | 1.25 | 0.5 | 7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
 | 74404043470A | SPEC | 8 files | WE-LQS SMT Power Inductor | – | – | – | – | – | – | – | – | – | 4025 | -40 °C up to +125 °C | – | – | – | 4 | 4 | 2.5 | – | – | 47 | 0.71 | 0.45 | 492 | 15 | – | – | – | – | SMT | – | -40 °C up to +125 °C | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 691214110002S | SPEC | – |
| 74437358033 | SPEC | |
| 860010674014 | SPEC | |
| 885012107010 | SPEC | |
| 74404043470A | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | Pins | Application | PCB/Cable/Panel | Modularity | Type | Wire Section | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | fres (MHz) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | Mount | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | Pitch (mm) | Ø D (mm) | Samples |
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