Status: Discontinued | Data Sheet: pdf link image   | RoHS Compliance: Rohs Compliant
Overview

Qorvo’s ACT4530 is a wide input voltage, high efficiency step-down DC/DC converter that operates in either CV (Constant Output Voltage) mode or CC (Constant Output Current) mode.

The product is an improvement over ACT4529 with its QC2.0 compatibility in 12V automotive applications. ACT4530 eliminates the issue with QC2.0 buck converters that try to operate with Vin = 12V to Vout = 12V. The product also supports Apple, Samsung and BC1.2 protocols. ACT4530 also has an optional input pin, PDC, that accepts a tri-state input for USB-PD control. The product filters out non-QC2.0 compatible communication pulses generated by some phones’ communication protocols.

The product has accurate output current limits under constant current regulation to meet the MFi specification. It provides up to 3.0 A output current at 125 kHz switching frequency. ACT4530 utilizes an adaptive drive technique to achieve good EMI performance while maintaining greater than 90% efficiency at full load for mini-size CLA designs. ACT4530 also has output short circuit protection with hiccup mode. The average output current is reduced to below 6 mA when output is shorted to ground. Other features include output over-voltage protection and thermal shutdown.

ACT4530 is available in a SOP-8EP package and requires very few external components for operation.

Key Features
  • 12 V input optimized (automotive applications)
  • QC2.0 decoding + USB auto-detect + USB-PD Type-C support
  • Passes Apple MFi test
  • 40 V input voltage surge
  • 4.5 to 36 V operational input voltage
  • 5.1 / 9.1 V output with +/- 1% accuracy
  • Up to 3.0 A output current
  • Constant current regulation limit
  • Supports Apple 2.4 A, Samsung and BC1.2 devices
  • Hiccup mode protection at output short
  • > 90% efficiency at full load
  • 0.5 mA low standby input current
  • 5.7 / 10.1 V output over-voltage protection for 5.1 / 9.1 V outputs
  • cord voltage compensation
  • Meets EN55022 Class B radiated EMI standard
  • 8 kV ESD HBM protection on DP and DM
Typical Applications
  • Car Chargers
  • Cigarette Lighter Adapters (CLAs)
  • Rechargeable Portable Devices
  • CV/CC Regulation DC/DC Converters
Part Number:
ACT4530YH-T0010
Manufacturer:
Qorvo
Topology:
Step-Down
Input Voltage:
6 - 36 V
Max Output Current:
3 A
Frequency:
125 kHz
Features:
ActiveCharge™ with Qualcomm QC 2.0, Cable Compensation, Sensorless CC Control
Package Type:
SOP-8EP

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Product Specifications For ACT4530YH-T0010 DC-DC Non-Sync Step Down Converter
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