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Infineon


Integrated Power Stages

The TDA21520 OptiMOS™ power stage contains a low quiescent-current synchronous buck gate-driver IC co-packaged with high-side and low-side MOSFETs and an active diode structure that achieves low Vsd similar to a Schottky with very little reverse recovery charge. The TDA21520 power stage forms a complete low voltage, high power DC/DC regulator when used with Infineon multiphase controller ICs.The TDA21520 internal MOSFET current sense algorithm with temperature compensation achieves superior current sense accuracy versus best-in-class controller-based inductor DCR sense methods. Operation at switching frequency as high as 1.5 MHz enables high performance transient response, allowing reduction of output inductance and output capacitance while maintaining industry leading efficiency.
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The TDA21462 power stage contains a low quiescent-current synchronous buck gate-driver IC co-packaged with Schottky diode, and high-side and low-side MOSFETs. The TDA21462 power stage forms a complete low voltage, high power DC/DC regulator when used with Infineon multiphase controller ICs.The TDA21462 internal MOSFET current sense algorithm with temperature compensation achieves superior current sense accuracy versus best-in-class controller-based inductor DCR sense methods. Operation at switching frequency as high as 1.5 MHz enables high performance transient response, allowing reduction of output inductance and output capacitance while maintaining industry leading efficiency.
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The TDA21472 power stage contains a low quiescent-current synchronous buck gate-driver IC co-packaged with Schottky diode, and high-side and low-side MOSFETs. The package is optimized for PCB layout, heat transfer, driver/MOSFET control timing, and minimal switch node ringing when layout guidelines are followed. The gate driver and MOSFET combination enables higher efficiency at the lower output voltages required by cutting edge CPU, GPU and DDR memory designs.The TDA21472 internal MOSFET current sense algorithm with temperature compensation achieves superior current sense accuracy versus best-in-class controller-based inductor DCR sense methods. Protection includes cycle-by-cycle over current protection with programmable threshold, VCC/VDRV UVLO protection, phase fault detection, IC temperature reporting and thermal shutdown. The TDA21472 also features auto-replenishment of the bootstrap capacitor to prevent over-discharging. The TDA21472 features a deep-sleep power saving mode, which greatly reduces the power consumption when the multiphase system enters PS3/PS4 mode.
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TDA21475 exposed-top power stage contains a low quiescent-current synchronous buck gate-driver IC co-packaged with a Schottky diode, high-side and low-side MOSFETs. The package is optimized for PCB layout, heat transfer, driver/MOSFET control timing, and minimal switch node ringing. The gate driver and MOSFET combination enables higher efficiency at the lower output voltages required by cutting edge CPU, GPU and DDR memory designs.
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The TDA21490 enables robust and reliable voltage regulator (VR) design for high-performance xPUs, ASICs and SoCs used in server, storage, artificial intelligence (AI) and networking applications. TDA21490 offers best-in-class efficiency with OptiMOSTM power MOSFETs in a thermally efficient package. The low quiescent current driver can enable deep-sleep mode to further increase light load efficiency and also provide superior current reporting that helps boost system performance significantly. In addition to the robust OptiMOSTM MOSFET technology, TDA21490’s extensive fault protection capability further increases robustness and reliability of the systems in which it is used.
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The TDA21535 OptiMOS™ power stage contains a low quiescent-current synchronous buck gate-driver IC co-packaged with high-side and low-side MOSFETs and an active diode structure that achieves low Vsd similar to a Schottky with very little reverse recovery charge. The TDA21535 power stage forms a complete low voltage, high power DC/DC regulator when used with Infineon multiphase controller ICs.The TDA21535 internal MOSFET current sense algorithm with temperature compensation achieves superior current sense accuracy versus best-in-class controller-based inductor DCR sense methods. Operation at switching frequency as high as 1.5 MHz enables high performance transient response, allowing reduction of output inductance and output capacitance while maintaining industry leading efficiency.
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Infineon’s TDA21570, 70 A integrated power stage, contains a low quiescent current synchronous buck gate-driver IC. In addition, the TDA21570 combines control and synchronous MOSFETs along with an active diode structure that achieves low VSD similar to a Schottky Diode with very little reverse recovery charge.The package is optimized for PCB layout, heat transfer, driver/MOSFET control timing, and minimal switch node ringing when layout guidelines are followed. The paired gate driver and MOSFET combination enables higher efficiency at lower output voltages required by cutting edge CPU, GPU and DDR memory designs.Operation of up to 1.5 MHz switching frequency enables high performance transient response, allowing miniaturization of output inductors, as well as input and output capacitors while maintaining industry leading efficiency.
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The TDA21590 integrated power stage contains a low quiescent current synchronous buck gate-driver IC which is co-packed with control and synchronous MOSFETs along with an active diode structure that achieves low VDS similar to a Schottky with very little reverse recovery charge. The package is optimized for PCB layout, heat transfer, driver/MOSFET control timing, and minimal switch-node ringing when layout guidelines are followed. The paired gate driver and MOSFET combination enables higher efficiency at lower output voltages required by cutting edge CPU, GPU and DDR memory designs.The internal MOSFET sensing achieves superior current sense accuracy vs. best-in-class controller-based inductor DCR sense methods.Protection includes IC temperature reporting and over temperature protection feature (OTP with thermal shutdown), cycle-by-cycle over current protection (OCP), control MOSFET short detection (HSS – High-side short detection), VDRV and bootstrap under-voltage protection. The TDA21590 also features "refreshing" of bootstrap capacitor to prevent the bootstrap capacitor from over-discharging.Operation of up to 1.5 MHz switching frequency enables high performance transient response, allowing miniaturization of output inductors, as well as input and output capacitors while maintaining industry leading efficiency.
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The AEC-Q100 qualified TLF12501 integrated power stage is a member of the OPTIREG™ multiphase product family and is optimized to fit to requirements derived from the automotive segment by utilizing a new unique package for improved thermal-cycle and long-term reliability and robustness. It contains a low quiescent current synchronous buck gate-driver IC which is co-packed with control and synchronous MOSFETs. The package is optimized for reliability in harsh automotive environment, PCB layout, heat transfer, driver/MOSFET control timing, and minimal switch node ringing. The paired gate driver and MOSFET combination enables high efficiency at lower output voltages required by cutting edge CPU, GPU and DDR memory designs. The internal MOSFET sensing achieves superior current sense accuracy vs. best-in-class controller-based inductor DCR sense methods.Protection includes IC temperature reporting and over temperature protection feature (OTP with thermal shutdown), cycle-by-cycle over current protection (OCP), control MOSFET short detection (HSS - high side short detection), VDRV and bootstrap under-voltage protection. The TLF12501 also features "refreshing" of bootstrap capacitor to prevent the bootstrap capacitor from over-discharging. Operation of up to 2 MHz switching frequency enables high performance transient response, allowing miniaturization of output inductors, as well as input and output capacitors while maintaining industry leading efficiency. The TLF12501 is compatible with 3.3 V tri-state PWM input signal.
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The AEC-Q100 qualified TLF12505 integrated power stage is member of the OPTIREG™ multiphase product family and is optimized to fit to requirements derived from the automotive segment by utilizing a new unique package for improved thermal-cycle and long-term reliability and robustness. The input voltage range is extended to 20 V, enabling connection to 12 V power net of an EV without pre-regulator.
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