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SC8745Q

36V / 100W Buck-Boost Converter with Low-Side MOSFETs Integrated and I2C Interface

SC8745QSC8745Q

SC8745Q

36V / 100W Buck-Boost Converter with Low-Side MOSFETs Integrated and I2C Interface

The SC8745Q is a buck-boost converter with two low-side integrated power switches capable of regulating the output voltage at, above, or below the input voltage. The SC8745Q operates over 3.7V to 36V wide input voltage and can output 1V to 29V voltage to support a variety of applications. The SC8745Q is suitable for USB power delivery application. It can work well with external USB PD controller through I2C interface and provide flexibility of programmable features. The SC8745Q employs current mode control scheme. The switching frequency could be set at 280kHz/420kHz/560kHz through I2C. The SC8745Q also provides optional spread spectrum to optimize EMI performance. The SC8745Q offers input/output over-voltage protection, cycle-by-cycle current limit, output short circuit protection, average output current limit and thermal shutdown protection. The SC8745Q is available in 20-pin 3mm x 5mm Wettable Flank QFN packages.
SC8745Q
The SC8745Q is a buck-boost converter with two low-side integrated power switches capable of regulating the output voltage at, above, or below the input voltage. The SC8745Q operates over 3.7V to 36V wide input voltage and can output 1V to 29V voltage to support a variety of applications. The SC8745Q is suitable for USB power delivery application. It can work well with external USB PD controller through I2C interface and provide flexibility of programmable features. The SC8745Q employs current mode control scheme. The switching frequency could be set at 280kHz/420kHz/560kHz through I2C. The SC8745Q also provides optional spread spectrum to optimize EMI performance. The SC8745Q offers input/output over-voltage protection, cycle-by-cycle current limit, output short circuit protection, average output current limit and thermal shutdown protection. The SC8745Q is available in 20-pin 3mm x 5mm Wettable Flank QFN packages.
Product Details
Design / Development
Technical Documentation
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Product Details

Technical Documentation

Applications

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Our in-vehicle charging solutions cover different power levels, feature high integration, and support a variety of public and proprietary protocols.
2024.10.24
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Parameter NameParameter Value
VIN range3.7-36V
Abs. VIN (max)40V
VOUT range1-29V
IOUT range6A
MOSInt. two LS FETs
TopologyBuck-Boost
Parameter NameParameter Value
Fsw280kHz/420kHz/560kHz
Prog. VoutFB / I2C
Output ILIMHigh Side Sense
FeaturesShort to Battery Protect, Spread spectrum, Wettable Flank
PackageQFN-20 3x5
Parameter NameParameter Value
VIN range3.7-36V
Abs. VIN (max)40V
VOUT range1-29V
IOUT range6A
MOSInt. two LS FETs
TopologyBuck-Boost
Fsw280kHz/420kHz/560kHz
Prog. VoutFB / I2C
Output ILIMHigh Side Sense
FeaturesShort to Battery Protect, Spread spectrum, Wettable Flank
PackageQFN-20 3x5