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STCC2540IQTR

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USB charging controller with integrated power switch

Quantity $ per Unit Savings
1 - 9$2.100%
10 - 24$1.8910%
25 - 50$1.7815%
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Out of stock
$2.10
Parameter NameParameter Value
Supply Voltage Min Volt2.7
Supply Voltage Max Volt5.5
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack3
GradeIndustrial
Package NameVFQFPN 16 3x3x0.8

The STCC2540 device integrates, in one package, a USB charger controller, a wide bandwidth data switch, and a high current power switch. The device emulates several profiles compatible with the USB battery charging standard, BC1.2, Chinese telecommunications standard YD/T 1591-2009, and proprietary charger modes.


The device asserts the charging flag in DCP modes if the charging current is higher than the threshold. In CDP mode, it asserts the charging flag after the CDP negotiation if the charging current is higher than the threshold.


After the current drops below the threshold, the output is deasserted, allowing the host to turn off the high power DC-DC converter and reduce overall consumption in S4/S5 states, which is critical when the host is battery supplied.

Key features
  • Compliant with USB charging specifications BC1.2, USB 2.0 and USB 3.0 standards
  • Compliant with Chinese telecommunications industry standard YD/T 1591-2009
  • Compatible with proprietary charging mode (Apple®1 A / 2 A, BlackBerry®, Korean tablets)
  • Wide bandwidth, low-loss USB 2.0 data switch
  • Integrated VBUSpower switch with low RONof 65 mΩ
  • Constant current mode overcurrent protection
  • Soft-start to limit inrush current
  • Adjustable current limit up to 2.8 A
  • Short-circuit, thermal and undervoltage protection
  • Reverse voltage and reverse current protection
  • Deglitched fault reporting output
  • Supports remote wakeup in S3
  • Charging indication output in DCP and CDP modes
  • Package: VFQFPN 16L 3 x 3 x 0.8 mm with exposed pad
  • Temperature range: -40 up to 85 °C
  • UL and CB recognized components (UL file number: E354278)