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ACT4529YH-T0011

Qorvo
Part Number ACT4529YH-T0011
Manufacturer Qorvo
Description 40 V/3.0 A CV/CC Buck Converter
Published Dec 26, 2020
Detailed Description ACT4529 40 V/3.0 A CV/CC Buck Converter Featuring QC2.0, USB Auto-Detect and USB-PD FEATURES • Quick Charge™ 2.0 Certif...
Datasheet PDF File ACT4529YH-T0011 PDF File

ACT4529YH-T0011
ACT4529YH-T0011

Overview
ACT4529 40 V/3.
0 A CV/CC Buck Converter Featuring QC2.
0, USB Auto-Detect and USB-PD FEATURES • Quick Charge™ 2.
0 Certified by Qualcomm® and UL.
 UL Certificate No.
4787083099-1  https://www.
qualcomm.
com/documents/quickcharge-device-list • Pass Apple MFi Test • 40 V Input Voltage Surge • 4.
5 V-36 V Operational Input Voltage • 5.
1 V/9.
1 V/12.
1 V Output with +/-1% Accuracy • Up to 3.
0 A Output current • Constant Current Regulation Limit • QC2.
0 Decoding + USB Auto-Detect + USB-PD Type-C Support • Support Apple 2.
4 A, Samsung and BC1.
2 • Hiccup Mode Protection at Output Short • >90% Efficiency at Full Load • 0.
5 mA Low Standby Input Current • 5.
7 V/10.
1 V/13.
5 V Output Over-voltage Protection for 5.
1 V/9.
1 V/12.
1 V Outputs • Cord Voltage Compensation • Meet EN55022 Class B Radiated EMI Standard • 8 kV ESD HBM Protection on DP and DM • SOP-8EP Package APPLICATIONS • Car Charger • Cigarette Lighter Adaptor (CLA) • Rechargeable Portable Device • CV/CC regulation DC/DC converter GENERAL DESCRIPTION ACT4529 is a wide input voltage, high efficiency stepdown DC/DC converter that operates in either CV (Constant Output Voltage) mode or CC (Constant Output Current) mode.
This device has QC2.
0 built in to provide 5.
1 V/9.
1 V/12.
1 V outputs as requested by attached portable devices.
Besides building in QC2.
0 decoding, it also supports Apple, Samsung and BC1.
2 devices to charge at full current rate.
ACT4529 has an interface for USB-PD control via a tri-state digital pin.
Vout is 5.
1 V if this pin is floating, Vout is 9.
1 V when this pin voltage is less than 0.
8 V and Vout is 12.
1 V while this pin voltage is more than 2.
0 V.
ACT4529 has accurate output current limits under constant current regulation to meet MFi specification.
It provides up to 3.
0 A output current at 125 kHz switching frequency.
ACT4529 utilizes adaptive drive technique to achieve good EMI performance while main >90% efficiency at full load for mini size CLA designs.
It also has output short circuit protection w...


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